Спутник навигационных систем. Beidou. [Редактировать]

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Дополнительная классификация

#Наименования
1Страна оператор(владелец) - Китай
2Страна производитель - Китай
3Тип оператора(владельца) - военные

Характеристики орбиты

#ХарактеристикаЗначение
1Наклонение, град3.2
2Апогей, км36124.2
3Перигей, км35488.0
4Период, минут1436.7
5Длинный диаметр эллипса, км42177

Пусковые характеристики

#ХарактеристикаЗначение
1Код NSSDC2009-018A

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#ХарактеристикаЗначение
1Дата пуска2009-04-14 at 16:16:00 UTC
2Полезная нагрузка 1xBeidou
3Ракета-носитель 1xВеликий поход 3C

Найдено 1000 документов по запросу «Beidou». [Перейти к поиску]


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... GNSS................................................................................................................................. 4 3.1 Navigation Systems ...................................................................................................................... 4 3.1.1 GPS ......................................................................................................................................... 4 3.1.2 GLONASS................................................................................................................................ 4 3.1.3 BeiDou ................................................................................................................................... 5 3.1.4 SBAS ....................................................................................................................................... 5 3.1.5 QZSS ....................................................................................................................................... 5 3.2 Configuration ............................................................................................................................... 5 4 SBAS Configuration... Production Information Page 4 of 234 3.1.3 BeiDou BeiDou is a GNSS operated by China....42MHz L1 frequency. GLONASS and BeiDou both operate on different frequencies... recommended to disable GLONASS and BeiDou if a GPS-only antenna or... could be GPS, GLONASS, or BeiDou, and in the future it... BeiDou mode. In particular the accuracy of the time pulse in BeiDou... support other GNSS (such as BeiDou and Galileo) in due course... support other GNSS (such as BeiDou and Galileo) in due course... GPS, SBAS, QZSS GLONASS Galileo BeiDou Any combination of GNSS GP... ID for BeiDou is 'GB'. This field enableds the BeiDou Talker ID... Service Center, China. Derived from BeiDou time. (not supported in protocol... Description gps sbas qzss glonass beidou Disable reporting of GPS satellites... GLONASS satellites Disable reporting of BeiDou satellites 30.11.4 Extended NMEA... BeiDou Talker ID If these are set to zero, the default BeiDou... Description gps sbas qzss glonass beidou Disable reporting of GPS satellites... GLONASS satellites Disable reporting of BeiDou satellites Early Production Information Page... supported: 0: GPS time 2: Galileo time 3: BeiDou time 6: GLONASS time: week = 834... Description continued Name Description BeidouSup BeiDou is supported Bitfield Default This...-enabled GLONASS is default-enabled BeiDou is default-enabled Bitfield Enabled... is enabled GLONASS is enabled BeiDou is enabled 34.2 UBX-MON... GNSS Type GPS SBAS Galileo BeiDou QZSS GLONASS SV range UBX... satellites Disable GLONASS satellites Disable BeiDou satellites Output of SV's with... Override GSV Talker ID Set BeiDou Talker ID (two characters) filter... gnssToFilter-qzss gnssToFilter-glonass gnssToFilter-beidou svNumbering mainTalkerId gsvTalkerId bdsTalkerId Default...



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... GNSSs (GPS, Glonass, Galileo and Beidou) fundamentals and algorithms. The second... Signals . . . . . . . . . . . . . . . . . . . . . 26 2.2.3 Galileo Signals . . . . . . . . . . . . . . . . . . . . . 30 2.2.4 Beidou Signals . . . . . . . . . . . . . . . . . . . . . 35 2.2.5 Summary of GNSS... . . . . . . . . . 3.3.1 Computation of GPS, Galileo and Beidou Satellite Coordinates . . . . . . . . . . . . . . . . . . . . . . . 57 3.3.2 Computation of... GNSSs (i.e. GPS, Glonass, Galileo and Beidou). The GNSS segments are presented... Documents (ICDs). GPS, Galileo or Beidou coordinates are computed from the... systems (GPS, Glonass, Galileo and Beidou), they are presented in general... Chinese BeiDou and European Galileo systems are currently under development, although Beidou... system (e.g. GPS, Glonass, Galileo and Beidou) that provides continuous positioning over... IOV (bottom left) and Beidou-M (bottom right). The Beidou (Compass)6 constellation (Phase... and Beidou systems is presented below (see also Fig. 2.2).8 6 BeiDou is the... regional system BeiDou-1, which became operational in May 2003. But BeiDou-2/3, i.e. Phase... Galileo. Nevertheless, backward compatibility with BeiDou-1 is assured by the inclusion.... 2.1.1.2.4 Beidou Satellites There are three variants of Beidou satellites: the geostationary Beidou-G, the geosynchronous Beidou-IGSO and the MEO Beidou... and Technology Corporation). The first Beidou Phase II satellite in orbit... China had put four Beidou-G and five Beidou-IGSO satellites into orbit..., with 10 orbiting satellites, the Beidou system formally started to provide... 2020 (Phase III, global service) [BeiDou-SIS-ICD, 2012]. 2.1.2 Control Segment... system. 2.1.2.4 Beidou Control Segment There is little information on the Beidou ground... Figure 2.6: GPS, Glonass, Galileo and Beidou navigational frequency bands. Upper L-Band... be interoperable with the Chinese Beidou system. In December 2010 there..., but new satellite navigation providers (Beidou in China, QZSS in Japan... service guarantees Commercial Service Global Beidou Signals Beidou Phase II/III satellites... version’ of the ICD for Beidou [BeiDou-SIS-ICD-Test, 2011] was... Open Authorised Authorised Table 2.12: Beidou Phase III navigation signals. [United... 2.2.4.1 User Domain Beidou Performances Since 27 December 2011, Beidou has provided an... the launching plan for the Beidou system, four more navigation satellites... (Beidou Phase III). The expected open free service performances in Beidou Phase... the GPS, Glonass, Galileo and Beidou (Compass) signals. Courtesy of Stefan... that, unlike GPS, Galileo or Beidou, the Glonass time scale implements... Coordinate System 2000 (CGCS2000) for Beidou. 3.1.2.1 Transformation between Celestial and Terrestrial...’s own GTRF system. 3.1.3.4 Beidou Reference Frame (CGCS2000) The Beidou system adopts CGCS2000... excentricity is taken as e = 0 . i GPS Beidou Galileo Glonass 1 second ◦ 55.0 55... perigee produced by J2 . GPS Beidou Galileo Glonass i 1 second 1 day 1 year... and Beidou are provided as follows. 3.3.1 Computation of GPS, Galileo and Beidou Coordinates Table 3.8 lists the GPS, Galileo or Beidou broadcast ephemeris... and Beidou satellites follow the same scheme. Table 3.8: GPS/Galileo/Beidou broadcast...-23/1 Table 3.11: GPS/Galileo/Beidou broadcast almanac parameters. Parameter ID... i = 56◦ (Galileo) or i = 54◦ (Beidou MEO) or i = 0◦ (Beidou GEO) Longitude of ascending... f (from GPS, Glonass, Galileo or Beidou): RPf = ρ+c(dtrcv −dtsat )+T r+αf ST EC... 3.3.1 for the GPS, Galileo or Beidou satellites, and in section 3.3.2 for... For broadcast GPS, Galileo or Beidou orbits, the orb program corresponds... case of GPS, Galileo or Beidou satellites, the satellite clock offset.... Unlike in GPS, Galileo or Beidou relativistic corrections to Glonass orbital... ratio. 5.4.1.2.1 Klobuchar Model GPS and Beidou satellites broadcast the parameters of... βn broadcast in the GPS or Beidou satellite navigation message:25 Vertical... also broadcast in the Beidou NAV message [BeiDou-SIS-ICD, 2012]. 24... (αi , βi , i = 0, . . . , 3) broadcast in the GPS and Beidou navigation messages. A map with the... the GNSS (GPS, Glonass, Galileo, Beidou) signals. This correction is required... Information Interchange A/S Anti-Spoofing BDT BeiDou Time BIPM Bureau International des....html. [BeiDou-SIS-ICD, 2012] BeiDou-SIS-ICD, 2012. Technical report. BeiDou Navigation.... [BeiDou-SIS-ICD-Test, 2011] BeiDou-SIS-ICD-Test, 2011. Technical report. BeiDou... and GNSS under Development 2 – Compass/Beidou, IRNSS and QZSS. ESA International..., 11 Oscillator, 4 Bancroft method, 97 Beidou, 22 Constellation, 9 Control segment, 17.../Beidou, 56 Fast convergence, 160 Navigation signals Linear observation model, 152 Beidou... Precise Positioning Service GPS, 23 Beidou, 35 Navigational frequency bands Glonass..., Reference frame, 39, 42 54 Beidou, 49 Selective Availability, 10, 20... Reference system, 42 Beidou, 35 Reference time Galileo, 35 Beidou, 41 Glonass..., 104, 139 Standard Positioning Service Beidou, 35 Glonass, 26 GPS, 19...



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Augmenting GPS RTK with Regional BeiDou in North America J. Dou, K. O’Keefe... GPS/BeiDou RTK. GPS/BeiDou system even with only two available BeiDou satellites... system which is called the BeiDou Navigation Satellite System. The Interface... of the first phase of BeiDou global navigation satellite system consisting... satellites has been completed. The BeiDou regional navigation satellite system is... the first phase of the BeiDou global navigation satellite system. A considerable... evaluate the performance of the BeiDou system. However, the focus has... the regional BeiDou system globally. The BeiDou Navigation Satellite System (BeiDou system) Signal... and deployment of the initial BeiDou regional navigation satellite system consisting... evaluate the performance of the BeiDou system. However, the focus has... the performance of the regional BeiDou system globally. The purpose of... and accuracy, then demonstrating GPS/BeiDou RTK with real data. Real... GPS and the combined GPS/BeiDou system. These preliminary results indicate... capability (i.e., centimeter-level) of the BeiDou system has not received as... effectively impossible using the standalone BeiDou system anywhere outside the Asia... number of visible BeiDou satellites. According to current BeiDou ephemerides, during limited... Pacific region, where typically ten BeiDou satellites are visible at any... Positioning System (GPS) and the BeiDou system could be attempted in... Page 1/9 In this paper, the BeiDou regional system is introduced briefly... performance of the combined GPS/BeiDou system for high precision applications..., 5 IGSO and 5 GEO satellites. THE BEIDOU SYSTEM In a quest for independence... called the BeiDou Navigation Satellite System for more than a decade. BeiDou is... the BeiDou system. The first generation, called BeiDou-I, was a demonstration system. BeiDou-I was... BeiDouI system with regional coverage, BeiDou-II (also known as Compass... precise and reliable use. The BeiDou Signal-In-Space Interface Control... acceptance of BeiDou into GNSS. In contrast to other GNSSs, BeiDou-II... Satellite Figure 1 BeiDou-II GEO and IGSO The BeiDou system uses the... al. 2013) BeiDou signals are based on CDMA. All BeiDou satellites transmit... Page 2/9 Table 1 Frequency bands of BeiDou satellite Band Freq. (MHz) Comment... E6 Similar to other GNSSs, BeiDou provides the service of navigation... marine and field applications. Adding BeiDou to the current GNSS systems.... BEIDOU RTK OVERVIEW Tremendous research has been conducted with the BeiDou system.... phase positioning with BeiDou alone and GPS/BeiDou was compared by J. Li... orbit determination of BeiDou-II and PPP with BeiDou-II and analysis of combined GPS and BeiDou RTK... a hardware receiver that can perform BeiDou RTK positioning. Some companies outside... U-blox have receivers can track BeiDou signals and provide positioning results... products that support BeiDou RTK. RTK METHODOLOGY GPS and BeiDou use code... analysis of BeiDou-II measurements in the world = using ∆φbeidou + ∆N beidou + ε φ λB1 real... within 5-10cm. Later, single- epoch BeiDou carrier λ is the carrier wavelength... the receiver clock offset with BeiDou, SYSTEM DESIGN The proposed RTK... differencing. The need for a separate BeiDou clock offset could be removed..., BeiDou B1 of base station, GPS L1 of rover and BeiDou B1... cycles • BeiDou Code standard deviation: 0.5m • BeiDou Doppler standard deviation: 0.1Hz • BeiDou Phase..., static, short baseline) GPS and BeiDou intermediate frequency samples were acquired... number of GPS satellites and BeiDou satellites through time span will... and BeiDou satellites during the 3 minute test. The GPS plus BeiDou combined... otherwise stated. There are 1 or 2 BeiDou satellites available during the three... there are two BeiDou satellites available. When only one BeiDou measurement is available, it is used only estimate the BeiDou... Figures 7 and 8. The magnitude of BeiDou code residuals is similar to.... However, the phase residuals of BeiDou are obviously larger than the... GPS residuals are better than BeiDou, especially for the phase measurements... Page 7/9 SD-Rx BeiDou ambiguities 9812 GPS GPS+Beidou 9810 PRN 2 9808... ambiguities In this contribution, a GPS/BeiDou RTK methodology is presented and... test is conducted where two BeiDou satellites are briefly available. The... indicate the addition of two BeiDou satellites improves the availability and... method in more scenarios where BeiDou satellites are available in North...[cycles] 7676.5 REFERENCES GPS GPS+Beidou 7676 7675.5 Li, J, Y. Yang, J. Xu...-Epoch Dual-Frequency RTK by BeiDou Navigation Satellite System, China Satellite...) Initial assessment of the COMPASS/BeiDou-2 regional navigation satellite system. GPS... Asia: First experience with the BeiDou-2 Regional Navigation System. IGS Workshop...) Quality Analysis of a Combined COMPASS /BeiDou-2 and GPS RTK Positioning Model... (2012b) Precise orbit determination of Beidou Satellites with precise positioning, in..., J. Tang (2013) Basic Performance of BeiDou Regional System, in Proceedings of...



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... 16-18 July, 2013 The BeiDou Navigation Message Oliver Montenbruck DLR... provides an overview of the BeiDou navigation message contents and highlights... CONGO networks, the quality of BeiDou broadcast ephemerides is assessed through... consideration in the positioning. KEYWORDS: BeiDou, Broadcast Ephemeris, multi-GNSS positioning... of the Russsian GLONASS system, BeiDou is the third navigation satellite... GEO and IGSO satellites, the BeiDou system provides best coverage in... this area can benefit from BeiDou as either a supplement to legacy... geometry and coverage of the BeiDou constellation is fully symmetric with... quality of navigation information. 1 Table 1. BeiDou constellation status as of April... deployment and testing of the BeiDou system, a public interface control document... a full regional navigation service. All BeiDou satellites transmit signals on a total... previously enabled researchers to track BeiDou signals in all frequency bands... first provide a summary of the BeiDou navigation message contents and describe... al. 2013). 2 2. BEIDOU MESSAGE TYPES AND STRUCTURE The BeiDou system utilizes two.... Figure 1. Frame structure of the BeiDou D1 navigation message for MEO... message broadcast by the geostationary BeiDou satellites employs a ten times higher... ICD. Subframe 5, finally, contains the BeiDou almanac, ionosphere grid data for... the D2 navigation message for BeiDou GEO satellites. Each block represents... navigation accuracy for single-frequency BeiDou users in this region. The...,Ci) Periodic range corrections (Cr) BeiDou Bits Scale 24 2-33 22... and scaling factors for the BeiDou ephemeris parameters in the D1... al. 2012b). 3. BEIDOU BROADCAST NAVIGATION MODELS 3.1 Orbit Model BeiDou is the first... to communicate correction data in BeiDou, but are an integral part... has been defined for geostationary BeiDou satellites to cope with the...  0w (2) For use with geostationary BeiDou satellites, the model is modified... orbital inclination of the geostationary BeiDou satellites relative to the Earth... completeness, it is emphasized that BeiDou employs different values for the... of the respective values in BeiDou, GPS, and Galileo is provided... parameters of BeiDou, GPS, and Galileo ephemeris models. Parameter GM ω BeiDou GPS... well aware, though, that the BeiDou TGD1 group delay parameter is... by Chinese authorities for the BeiDou extension of the Receiver INdependent... hand, inspection of the raw BeiDou navigation data frames shows that... Model For single-frequency users, BeiDou broadcasts a set of eight correction... night side. Coefficients for the BeiDou ionosphere model are determined from... Wu et al. (2013) the BeiDou model outperforms the Klobuchar model... PERFORMANCE ASSESSMENT 4.1 Ephemeris Age The BeiDou navigation message comprises an integer..., since uplink stations of the BeiDou ground segment are limited to... the satellite’s ground-position for BeiDou IGSO satellites 8 This is illustrated... the satellite’s ground-position for BeiDou MEO satellites. Due to a lack... As a first test of the BeiDou broadcast ephemeris accuracy, satellite laser... range error (SISRE) of the BeiDou broadcast ephemerides. Interestingly, the observed... based on broadcast orbits) for BeiDou satellites tracked by the ILRS... Products For a complementary quality assessment, BeiDou orbit and clock products have... a ionosphere-free linear combination of BeiDou observations in the B1/B2... 0.1-0.2 m level. 10 Figure 7. Differences between BeiDou MEO and IGSO broadcast orbits... and post-processed products for BeiDou MEO and IGSO satellites (March... to different realization of the BeiDou system time. As discussed in... positioning results using GPS and BeiDou observations. Results for a total of... signal combinations. In case of BeiDou, broadcast group delay parameters were... a somewhat lower positioning performance for BeiDou as compared to GPS. Best... the BeiDou satellites and employ them for real-time navigation. The BeiDou... the geostationary satellites of the BeiDou constellation a distinct navigation message type... of the standard navigation data. BeiDou thus 13 combines the services...-frequency B1 navigation service, the BeiDou system can already be used... must be taken, though, that BeiDou adopts a different concept for the... the GPS constellation average of 0.8 m, BeiDou users are also commonly affected... of 2.5-5 m have been obtained in BeiDou-only solutions, while GPS-only... combination. With the given performance, BeiDou clearly lends itself as a standalone... to a take full advantage of BeiDou in precise point positioning applications... the BeiDou navigation information. Satellite laser ranging observations of the BeiDou satellites.../s10291-008-0095-y CSNO (2012) BeiDou Navigation Satellite System Signal In... Precise Orbit Determination of the BeiDou Navigation Satellite System, Sensors 13... Asia: First Experience with the BeiDou-2 Regional Navigation System, IGS Workshop...) Initial Assessment of the COMPASS/BeiDou-2 Regional Navigation Satellite System, GPS... J (2012) Precise orbit determination of Beidou satellites with precise positioning, Science...



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... СПУТНИКОВЫХ РАДИОНАВИГАЦИОННЫХ СИСТЕМ ГЛОНАСС, GPS И BEIDOU IGSO ...................................................................................................................................... 27 2.1 Общие закономерности орбитальной... и орбитальной эволюции неуправляемых объектов системы BEIDOU IGSO ................................................................... 37 2.2.3 Особенности орбитальной эволюции... спутниковых радионавигационных систем ГЛОНАСС, GPS, BEIDOU IGSO и рассмотрена проблема утилизации объектов... отработавших объектов СРНС ГЛОНАСС, GPS и BEIDOU IGSO, показано, что влияние вековых... и BEIDOU IGSO (inclination geostationary orbits), то есть для навигационной системы BEIDOU рассмотрена... СПУТНИКОВЫХ РАДИОНАВИГАЦИОННЫХ СИСТЕМ ГЛОНАСС, GPS И BEIDOU IGSO 2.1 Общие закономерности орбитальной эволюции... трех навигационных систем ГЛОНАСС, GPS и BEIDOU IGSO. 2.1.1.Зависимость возрастания эксцентриситета от....4974 M 0 , град 99.7009 0.0000 BEIDOU IGSO-1 86178.60 0.00280 54....2417 191.4996 202.3179 BEIDOU IGSO-2 86175.60 0.00208 54....9232 175.3679 79.2272 BEIDOU IGSO-3 86169.00 0.00212 55... 92.6995 191.2421 0.7374 BEIDOU IGSO-4 86177.40 0.00215 55....3262 173.4844 113.6056 BEIDOU IGSO-5 86154.00 0.00182 55... объектов с орбитами типа ГЛОНАСС, GPS и BEIDOU IGSO на столетнем интервале времени..., 2008). Геосинхронные спутники навигационной системы BEIDOU IGSO (рисунок 2.1б) находятся по... орбит спутников систем ГЛОНАСС, GPS и BEIDOU IGSO, но также наклонения орбит... объектов системы BEIDOU IGSO Орбитальные параметры объектов китайской системы BEIDOU IGSO существенно отличаются от параметров систем ГЛОНАСС и GPS. Спутники BEIDOU... для всех спутников навигационной системы BEIDOU IGSO, расположенных на геосинхронных орбитах.... Результаты данного моделирования для объектов BEIDOU IGSO показаны на графиках, приведенных... Таблица 2.3 — Резонансные периоды спутников системы BEIDOU IGSO Спутник T, с IGSO-1 87520 IGSO... Следует отметить, что у всех спутников BEIDOU IGSO, кроме IGSO-3, резонансные периоды... интервале численного моделирования. BEIDOU IGSO-1 BEIDOU IGSO-2 BEIDOU IGSO-3 BEIDOU IGSO-4 BEIDOU IGSO-5 Рисунок 2.9 — Определение периодов орбитального резонанса для спутников навигационной системы BEIDOU... орбитального резонанса и периода обращения спутника BEIDOU IGSO-3 на интервале времени 500... резонанса BEIDOU IGSO-3 Перейдем к анализу структуры вековых резонансов неуправляемых объектов системы BEIDOU... BEIDOU IGSO № 10 11 12 13 14 25 27 29 BEIDOU IGSO-1 BEIDOU IGSO-2 BEIDOU IGSO-3 BEIDOU IGSO-4 BEIDOU IGSO-5 Мин. Макс... На рисунке 2.11 для объекта BEIDOU IGSO-1 показаны изменения во времени... им критических аргументов (б) для объекта BEIDOU IGSO-1 41 аргументы, кроме двух... параметров MEGNO и значительной хаотизации движения. BEIDOU IGSO-1 Рисунок 2.12 — Эволюция наклонения... для объектов для спутника BEIDOU IGSO-1 Спутники BEIDOU IGSO-2 и -5 (таблица 2.4) имеют одинаковый... объектов навигационной системы BEIDOU IGSO-2 (и -5) 43 То, что объекты BEIDOU IGSO-2, -5 обладают... рисунке 2.13 данные для BEIDOU IGSO-2, а данные для BEIDOU IGSO-5 опускаем. Приведенные... 2.14). Из всех объектов системы BEIDOU IGSO эти объекты имеют наименьшие... после 100 летнего интервала эволюции. BEIDOU IGSO-2 BEIDOU IGSO-5 Рисунок 2.14 — Эволюция... MEGNO для объектов для спутников BEIDOU IGSO-2 и -5 44 а) б) Рисунок 2.15 — Эволюция... (б) для объекта навигационной системы BEIDOU IGSO-3 45 Cпутник BEIDOU IGSO-3 имеет такой же набор острых вековых резонансов что и BEIDOU... через орбитальный резонанс (рисунок 2.10). BEIDOU IGSO-3 Рисунок 2.16 — Эволюция наклонения... MEGNO для объектов для спутника BEIDOU IGSO-3 В результате всех перечисленных особенностей... весьма быстро (рисунок 2.16). У объекта BEIDOU IGSO-4 в процессе долговременной орбитальной эволюции... аргументов (б) для объекта навигационной системы BEIDOU IGSO-4 47 Критические аргументы, связанные... говорит о хаотичности движения данного объекта. BEIDOU IGSO-4 Рисунок 2.18 — Эволюция наклонения... MEGNO для объектов для спутника BEIDOU IGSO-4 2.2.3 Особенности орбитальной эволюции объектов... радионавигационных систем ГЛОНАСС, GPS, а также BEIDOU IGSO. Показано, что наложение вековых... объектам навигационных систем GPS, ГЛОНАСС и BEIDOU IGSO. Кроме того, как показано... глобальных навигационных систем: ГЛОНАСС, GPS и BEIDOU IGSO. 64 Полученные оценки хорошо... отработавших объектов СРНС ГЛОНАСС, GPS и BEIDOU IGSO. Показано, что влияние вековых...



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... 17 Запуск космического аппарата системы Beidou/Compass 18 Новая космическая политика... MICHIBIKI) Запуск космического аппарата системы Beidou/Compass 31 июля 2010 года...-3A) с навигационным космическим аппаратом (КА) Beidou DW-5. По сообщениям китайских информагентств... 2010 года спутниковая группировка системы Beidou/Compass насчитывает 9 спутников. 18 №3 июль... Следующая Текущий состав орбитальной группировки Beidou/Compass № Дата запуска РН Обозначение...-3A Beidou-1A GEO 140° в.д. нет 2 21.12.2000 LM-3A Beidou-1B GEO 80,5° в.д. не известно 3 25.05.2003 LM-3A Beidou-1C GEO 110,5° в.д. да 4 03.02.2007 LM-3A Beidou-1D уведен с орбиты нет 5 14.04.2007 LM-3A Beidou... 6 15.04.2009 LM-3C Beidou-2G/ Compass-G2 потеряно управление... 7 17.01.2010 LM-3C Beidou-DW-3/ Compass-G1 GEO 144... 9 31.07.2010 LM-3A Beidou-DW-5 IGSO, не известно По... из 37. Время готовности китайской Beidou пока не определено. При этом...



Дата загрузки: 2017-03-26
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0.08/5
... be profitable. Satellite Navigation China’s Beidou satellite navigation system is planned... differential Beidou, accuracy will be improved to one meter. Unlike GPS, Beidou... sent to other Beidou receivers. Similar to GPS, Beidou is first and..., including the mandatory installation of Beidou receivers on certain vehicles, to... their respective satellite navigation systems, Beidou and the Global Navigation Satellite... over China’s intentions with its Beidou satellite navigation system, the strategic... involving earth remote sensing and Beidou satellite navigation programs, and one... be limited.” Funding for the Beidou satellite navigation systems, however, appears..., 2001. 227 Zhang Ke, “’北斗’今起照耀亚太区 中国版 GPS 年创产值超千亿” [‘Beidou’ Begins to Cover Asia China...) in a Beidou industrial park.229 These funding figures suggest Beidou is one... the development of Beidou technologies to 2020. Like GPS, Beidou is fundamentally a military-run program with civilian applications. Beidou’s architecture... 8. Beidou launches Spacecraft Beidou-1A Beidou-1B Beidou-1C Beidou-1D Beidou-2 Compass-M1 Beidou-2 Compass-G2 Beidou-2 Compass-G1 Beidou-2 Compass-G3 Beidou-2 Compass-IGSO1 Beidou-2 Compass-G4 Beidou-2 Compass-IGSO2 Beidou-2 Compass-IGSO3 Beidou-2 Compass-IGSO4 Beidou-2 Compass-IGSO5 Beidou-2 Compass-G5 Beidou-2 Compass-M3 Beidou-2 Compass-M4 Beidou-2 Compass-M5 Beidou-2 Compass-M6 Beidou... GEO Like other programs, China’s Beidou navigation satellite program has followed... regional system, Beidou-1, in 2000 that became operational in 2003. Beidou-1 uses..., Beidou-2 also provides a short message service that allows communication between Beidou receivers. Military Use As Beidou’s capabilities improve, the... the GPS and Beidou signals. 411 Tu Yun, “BeiDou Has Better Accuracy... Liu Yanping, “探秘中国北斗导航卫星: 最高机密到民用历时 20 年” [Exploring China’s Beidou Navigation Satellite System: Top Secret...-06/20/c_121557752.htm. 413 “北斗副总师:没先进定位手段曾是心中说不出的痛” [Beidou Deputy Chief Designer: Not Having... Main Station Devoting Itself to Beidou], 新华 [Xinhua], Nov. 9, 2013. 415 “南京军区”使命行动 2013....htm. 417 “长剑-10 导弹配合北斗系统可毁万吨巡洋舰” [Missile Incorporates Beidou System and Can Destroy a 10... adoption of Beidou technologies. These include requiring the installation of Beidou receivers... semitrucks to have factory-installed Beidou receivers.418 Communication Satellites China... 423 “天链一号星和第四颗北斗导航试验卫星交付使用” [Tianlian-1 and the Fourth Beidou Navigation Satellite Handed Over for... on the Development of the BeiDou Satellite Navigation System (Version 2.2),” December... market.603 定位精确度达到 2.5 米” [The Fourth Generation Beidou High-performance Chip Positioning Accuracy... example, the designation of China’s Beidou satellite navigation system as “national... G-1 (Beidou G1) 1/16/10 Chinese Defense Ministry GEO 8 Compass G-10 (Beidou ISGO-5) 12/1/11 Chinese Defense Ministry GEO 8 Compass G-11 (Beidou G5) 2/24/12 Chinese Defense Ministry GEO 8 Compass G-3 (Beidou G3) 6/2/10 Chinese Defense Ministry GEO 8 Compass G-4 (Beidou G4) 10/31/10 Chinese Defense Ministry GEO 8 Compass G-5 (Beidou IGSO-1) 7/31/10 Chinese Defense Ministry GEO 8 Compass G-6 (Beidou 2-16) 10/25/12 Chinese Defense Ministry GEO 8 Compass G-7 (Beidou IGSO-2) 12/17/10 Chinese Defense Ministry GEO 8 Compass G-8 (Beidou IGSO-3) 4/9/11 Chinese Defense Ministry GEO 8 Compass G-9 (Beidou ISGO-4) 7/26/11 Chinese Defense Ministry GEO 8 Compass M1 (Beidou M1... M3 (Beidou 2-12) 4/28/12 Chinese Defense Ministry Compass M4 (Beidou 2-13) 4/28/12 Chinese Defense Ministry Compass M5 (Beidou 2-14) 9/18/12 Chinese Defense Ministry Compass M6 (Beidou 2-15...



Дата загрузки: 2017-03-31
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0.09/5
... exploring inertial confinement fusion, the Beidou satellite navigation system, and a hypersonic... as receivers for China’s Beidou constellation. The Beidou system could further stimulate... support and work with the [Beidou] system.’’ 48 Commercial Launch Services... provider, Beijing could use the Beidou system as leverage to obtain... their respective satellite navigation systems, Beidou and the Global Navigation Satellite... China’s plans for its own Beidou satellite navigation system.† The project... needed for the development of Beidou.85 Beidou satellites even use frequencies... Timing In December 2012, China’s Beidou regional satellite navigation system * became... and a network of ground stations, Beidou provides subscribers, including the PLA...) services. Unlike other PNT systems, Beidou offers a short message service that... 120 Chinese characters per transmission. Beidou reportedly provides positioning accuracies of... Beidou’s positional accuracies within China.137 Beijing plans to expand the Beidou... launched its 18th and 19th Beidou satellites in July 2015.138...’s Satellite Navigation Office has emphasized Beidou’s importance to the PLA and... and benefit[s] mankind.’’ 139 Although Beidou has a wide and growing range... 2000s began to gradually incorporate Beidou into its ground, air, and... * The regional Beidou system, which China refers to as Beidou-2, grew out of an earlier satellite constellation, known as Beidou-1. Beidou... a developmental platform for future projects. † Beidou and GPS provide higher positional... DSKHT7XVN1PROD with USCC was using Beidou for positioning and maneuvering, friendly... information about China’s incorporation of Beidou into its weapons systems is... and Beidou. If this is true, PLA operators could switch to Beidou... concerns. Additionally, the availability of Beidou would allow China to attack... is attempting to make the Beidou system more prevalent in its... force its citizens to adopt Beidou, including the requirement that, in... provinces must be equipped with Beidou. Already more than 50,000... taken several steps to promote Beidou to countries throughout Asia, where... released the technical specifications of Beidou’s open signal to allow for... ground receivers and offers free Beidou service for civilian and commercial..., Pakistan, and Thailand to provide Beidou for government and military customers... will be used to increase Beidou’s range and signal strength.144... development of Beidou stations in Thailand, ‘‘with these stations, Beidou could better... pursuing various cooperative arrangements involving Beidou with other countries, including Israel..., Russia, Singapore, and Sweden.146 * Beidou provides automatic position reporting back... PLA units as well as Beidou-equipped Chinese fishing boats. U.S. Office... interview with the spokesperson for Beidou, ‘‘the Beidou satellite navigation system will... systems.’’ 147 • In November 2014, Beidou won approval from a United Nations... could help to further promote Beidou’s use around the world by... brand awareness and signaling that Beidou can achieve its stated accuracy... 3C vehicles primarily to insert Beidou satellites into medium Earth orbit...-1 was used to successfully deploy Beidou satellites. As it can reportedly... Second, China’s designation of the Beidou satellite navigation system—planned to... revenues to the United States, Beidou is also intended to foster.... Bree Feng, ‘‘A Step Forward for Beidou, China’s Satellite Navigation System,’’ New...; People’s Daily Online (English edition), ‘‘Beidou System Aims for ‘Centimeters’ Accuracy... 2, 2015), 71–73; Geoff Wade, ‘‘Beidou, China’s New Satellite Navigation System... 26, 2015; and Ordnance Knowledge, ‘‘ ‘Beidou,’ China’s Pride,’’ August 1, 2012. OSC... Launch Three or Four More Beidou Satellites This Year,’’ April 1, 2015... Satellite Navigation Capabilities with Expanded Beidou-2/Compass Constellation,’’ IHS Jane’s Defense..., Report on the Development of Beidou Navigation Satellite System, December 26... McCauley, ‘‘Putting Precision in Operations: Beidou Satellite Navigation System,’’ China Brief.... Bree Feng, ‘‘A Step Forward for Beidou, China’s Satellite Navigation System,’’ New..., December 4, 2014; Xinhua, ‘‘China Promotes Beidou Tech VerDate Sep 11 2014..., 11; Beidou Navigation Satellite System, ‘‘The Anniversary of Beidou ASEAN Tour, Beidou Appeared on ASEAN Expo Again,’’ 2014; Cang Wei, ‘‘Beidou... 24, 2014; and Gao Bao, ‘‘Beidou Navigation System Gives Boost to..., September 5, 2014. 144. Geoff Wade, ‘‘Beidou, China’s New Satellite Navigation System... Become Fifth Asian Nation Employing Beidou Satellite Navigation System,’’ May 22...; and Stephen Chen, ‘‘Thailand Is Beidou Navigation Network’s First Overseas Client..., Zhou Lihua, and Liu Kun, ‘‘Beidou Reaches New Heights,’’ China Daily... 19, 2014. 146. Geoff Wade, ‘‘Beidou, China’s New Satellite Navigation System.... People’s Daily Online (English edition), ‘‘Beidou System Aims for ‘Centimeters’ Accuracy.... Bree Feng, ‘‘A Step Forward for Beidou, China’s Satellite Navigation System,’’ New...



Дата загрузки: 2017-04-08
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0.1/5
... of the development of the BeiDou Navigation Satellite System (BDS) and... of aviation receivers. 1. INTRODUCTION 1.1 The BeiDou Navigation Satellite System (BDS) has... service is available. 2. PROGRESS OF BEIDOU SYSTEM DEVELOPMENT 2.1 On December 27th... Office (CNSO) officially released the BeiDou Navigation Satellite System Signal In... Signal (ICD Version 2.0) and the BeiDou Navigation Satellite System Open Service... in various applications. 3. PROGRESS OF BEIDOU SARPs DEVELOPMENT 3.1 An initial draft... the Development of BeiDou Navigation Satellite System (Version 2.2) Attachment 2: BeiDou Navigation Satellite... Open Service Signal (Version 2.0) Attachment 3: BeiDou Navigation Satellite System Open Service... Report on the Development of BeiDou Navigation Satellite System (Version 2.2) China... people used the Big Dipper (Beidou) for identifying directions dating back... of world civilization. Nowadays, the BeiDou Navigation Satellite System (BDS) will... China’s conditions. In 2000, the BeiDou Navigation Satellite Demonstration System was.... The user segment encompasses various BeiDou user terminals, including those compatible..., with details as follows: Step I: BeiDou Navigation Satellite Demonstration System. In... of BeiDou Navigation Satellite Demonstration System. In 2000, the first 2 BeiDou navigation... system. In 2003, the third BeiDou navigation experiment satellite was launched... enhanced the system performance. The BeiDou Navigation Satellite Demonstration System consists... and performance specifications of the BeiDou Navigation Satellite Demonstration System are..., China initiated the construction of BeiDou Navigation Satellite System. By the... the worldwide scope. Approximately 40 BeiDou navigation satellites in total will... By October 25th, 2012, 16 BeiDou navigation satellites have been launched... Satellite Navigation Office published the “BeiDou Navigation Satellite System Signal-In... December 27th, 2012, and the “BeiDou Navigation Satellite System Open Service... (version 1.0)” as well as the “BeiDou Navigation Satellite System Signal-In... available on BeiDou official website (www.beidou.gov.cn). The “BeiDou Navigation Satellite... characteristics and specifications, etc. The “BeiDou Navigation Satellite System Signal-In... of weather forecasting, a series of BeiDou terminal equipments have been developed... Service for OS (iGMAS) and BeiDou/GNSS Application Demonstration & Experience Campaign... “BeiDou Asia-Pacific Tour” in Pakistan, Korea and other countries. The “BeiDou... 1st BeiDou navigation experiment satellite. l December 21, 2000, launch of 2nd BeiDou navigation experiment satellite. l May 25, 2003, launch of the 3rd BeiDou navigation experiment satellite. l February 3, 2007, launch of the 4th BeiDou navigation experiment satellite. l April 14, 2007, launch of the 1st BeiDou navigation satellite. l April 15, 2009, launch of the 2nd Beidou navigation satellite. l January 17, 2010, launch of the 3rd BeiDou navigation satellite. l June 2, 2010, launch of the 4th BeiDou navigation satellite. l August 1, 2010, launch of the 5th BeiDou navigation satellite. 17 l November 1, 2010, launch of the 6th BeiDou navigation satellite. l December 18, 2010, launch of the 7th BeiDou navigation satellite. l April 10, 2011, launch of the 8th BeiDou navigation satellite. l July 27, 2011, launch of the 9th BeiDou navigation satellite. l December 2, 2011, launch of the 10th BeiDou navigation satellite. l February 25, 2012, launch of the 11th BeiDou... of the 12th and 13th BeiDou navigation satellites. l September 19, 2012... 15th BeiDou navigation satellites. l October 25, 2012, launch of the 16th BeiDou navigation satellites. 18 BeiDou Navigation Satellite System Signal... Navigation Office Content 1 Statement ........................................................................................... 1 2 Scope ................................................................................................. 1 3 BeiDou System Overview .................................................................. 1 3.1 Space Constellation .................................................................... 1 3.2 Coordinate... China Satellite Navigation Office 1 Statement BeiDou Navigation Satellite System Signal-In.... 3 BeiDou System Overview 3.1 Space Constellation BeiDou Navigation Satellite System is called BeiDou System... Office 6 Acronyms BDS BeiDou Navigation Satellite System BDT BeiDou Navigation Satellite System... BDS-SIS-ICD-2.0 2013-12 BeiDou Navigation Satellite System Open Service... Foreword The space constellation of BeiDou Navigation Satellite System (BDS) will... Office 2 References BDS-SIS-ICD-2.0 "BeiDou Navigation Satellite System Signal In... Acronyms 3.1 Terms and Definitions The BeiDou Navigation Satellite System Open Service... this document: BDS - BeiDou Navigation Satellite System; BDT - BeiDou Navigation Satellite System...



Дата загрузки: 2017-05-20
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0.11/5
... Precise Orbit Determination of the BeiDou Navigation Satellite System Lina He... regional service of the Chinese BeiDou satellite navigation system is now... the satellite orbits of the BeiDou regional system, we concentrate on... of data collected at the BeiDou Experimental Test Service (BETS) network... make the orbits better. Keywords: BeiDou; tracking network; precise orbit determination... COMPASS system, also known as BeiDou, is emerging and gaining more... the BeiDou system. The demonstrational system was established as the BeiDou-1, with... was officially announced by the BeiDou authorities at the end of... structure and analogous frequencies of BeiDou with respect to that of... and the European Galileo systems, BeiDou-capable multi-GNSS receivers were.... Hence, POD and PCD of BeiDou are also hot topics for... orbit arc is needed for BeiDou POD using its own phase... are strongly involved [2,7–9], and (2) only BeiDou data are employed [10,11... to demonstrate the capacity of BeiDou as an independent navigation system... attention on the performance of BeiDou system alone as an independent... are carried out using only BeiDou data from a regional tracking network... a large space for improvement on BeiDou POD, especially for the GEOs... progress in the quality of BeiDou products can be expected in... of the space segments. The BeiDou Experimental Test Service (BETS) network... The designed constellation of the BeiDou regional system is composed of... Table 1. Satellites of the current BeiDou constellation. Satellite PRN NORAD-ID... Network The BETS network with BeiDou and GPS capacity has been... UR240 dual-frequency and GPS/BeiDou dual-system receivers and the... Figure 1. Ground tracks of the BeiDou satellites and distribution of the..., with the permission of the BeiDou authorities. During this period, two... Wuhan University is adapted for BeiDou data analysis for this study... weak observing geometry. For the BeiDou regional system, GEO satellites have... important for the current regional BeiDou system. In this study we..., 13 2917 3.2. Models As the BeiDou system is very similar in... can be utilized directly for BeiDou with very slight modifications. Therefore... Table 3. Dynamic models involved for BeiDou orbit determination. Item Models Geopotential... orbit conditions are estimated from BeiDou range observations with receiver clock... which are special for the BeiDou regional system, and are achievable.... Aimed at possible improvements in BeiDou POD, we identified three topics.../or GLONASS systems. For the BeiDou regional system, its constellation consists... to the development schedule of BeiDou, GEOs and IGSOs are now... Galileo [7], the phase accuracy of BeiDou is of a comparable quality, whereas... about seven weeks BeiDou data of the BETS network, BeiDou POD is... on POD of the current BeiDou regional system. Sensors 2013, 13... the post-fit observation residuals, BeiDou has similar phase accuracy as... at Wuhan University and the BeiDou Authorities for providing the tracking...). References 1. 2. 3. 4. 5. 6. 7. China Satellite Navigation Office. BeiDou Navigation Satellite System Signal in..., X.; Liu, J. Precise orbit determination of BeiDou Satellites with precise positioning. Sci... S. Initial assessment of the COMPASS/BeiDou-2 regional navigation satellite system. GPS...