Спутник навигационных систем. Beidou M3. [Редактировать]

29 апреля 2012 года в 20:50:03.968 UTC (30 апреля в 00:50:03.968 МСК) с площадки № 2 космодрома Сичан осуществлен пуск ракеты-носителя Chang Zheng-3B/E с двумя навигационными спутниками BeiDou-2 M3 и BeiDou-2 M4. Это двенадцатый и тринадцатый по счету спутники китайской навигационной системы BeiDou (Compass), которая совместима с другими глобальными навигационными системами, в том числе с американской GPS, Европейской Galileo и Российской ГЛОНАСС. 

Спутники оборудованы антенной с фазированной решёткой и лазерным отражателем. Китай начал строить навигационную систему Beidou в 2000 году. Целью явилось желание нарушить зависимость страны от американской системы GPS, а также создание собственной системы позиционирования. В текущем году ожидаются еще 3 запуска навигационных спутников системы BeiDou. К 2020 году полная группировка спутников будет состоять из 35 КА.

Дополнительные наименования

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Дополнительная классификация

#Наименования
1Страна оператор(владелец) - Китай
2Тип оператора(владельца) - военные
3Тип орбиты - ГПО
4Страна производитель - Китай

Характеристики орбиты

#ХарактеристикаЗначение
1Наклонение, град55.5
2Апогей, км21601.4
3Перигей, км21468.4
4Период, минут773.2
5Длинный диаметр эллипса, км27905

Пусковые характеристики

#ХарактеристикаЗначение
1Код NSSDC2012-018A

Информация об удачном запуске

#ХарактеристикаЗначение
1Дата пуска2012-04-29 at 20:50:00 UTC
2Полезная нагрузка 1xBeidou M3
3Полезная нагрузка 1xBeidou M4
4Ракета-носитель 1xВеликий поход 3B

Найдено 88 документов по запросу «Beidou M3». [Перейти к поиску]


Дата загрузки: 2017-03-09
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0.24/5
... validation of GPS+GLONASS+Galileo+BeiDou+QZSS orbits 3. Satellite signature effect... orbits using SLR QZS-1 Galileo BeiDou Center for Orbit Determination in... (by ~44% of SLR resid.) • BeiDou orbits show a slight degradation in... GNSS orbits using SLR Galileo BeiDou QZS-1 Center for Orbit Determination... of two. BeiDou/COMPASS-M3 (C11) Old ECOM New ECOM For BeiDou-M3 (MEO... the normal orbital attitude). BeiDou/COMPASS-M3 (C11) BeiDou-M3 Galileo-102 (E12) Y axis (along the solar panels) X axis BeiDou-M3... origin. BeiDou/COMPASS-I5 (C10) Old ECOM New ECOM For BeiDou-I5...



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0.14/5
...-constellation signal [16–18]. The BeiDou Navigation Satellite System (BDS) is... [17]. Table 1. Constellation of the BeiDou Navigation Satellite (BDS) regional system... BEIDOU M1 BEIDOU G2 BEIDOU G1 BEIDOU G3 BEIDOU G4 BEIDOU IGSO 1 BEIDOU IGSO 2 BEIDOU IGSO 3 BEIDOU IGSO 4 BEIDOU IGSO 5 BEIDOU G5 BEIDOU M3 BEIDOU M4 BEIDOU M5 BEIDOU M6 BEIDOU G6 BEIDOU I1-S BDS M1-S BDS M2-S BDS I2-S BDS M3-S BEIDOU IGSO 6 BEIDOU...: BeiDou Navigation Satellite System; GLONASS: Globalnaya Navigatsionnaya Sputnikovaya PPP. BDS: BeiDou Navigation...-time precise positioning: GPS, GLONASS, BeiDou, and Galileo. J. Geod. 2015, 89... systems: GPS, GLONASS, Galileo and BeiDou. Sci. Rep. 2015, 5. [CrossRef] [PubMed..., J. Precise point positioning using combined BeiDou and GPS observations. In China..., X. Precise point positioning with the BeiDou navigation satellite system. Sensors 2014... using GPS, Glonass, Galileo and BeiDou. J. Geod. Sci. 2014, 4. [CrossRef] ISPRS... positioning with quad-constellations: GPS, BeiDou, GLONASS and Galileo. Adv. Space... the positioning performance analysis of BeiDou in Hong Kong. Surv. Rev...



Дата загрузки: 2016-11-19
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0.03/5
... нагрузка Ракета-носитель производивш. запуск Beidou M3-S CZ-3C / YZ1 Китай USA..., (владелец) град. орбиты км км BEIDOU M3-S Китай 55,01 21950 21530...» осуществлен запуск китайского навигационного спутника «Beidou M3-S». «Beidou M3-S» – экспериментальный спутник нового поколения китайской... орбитах с наклонением 55º. 15 Спутник «Beidou M3-S» создан на базе новой, полностью... на «Beidou M3-S», должны быть совместимы с сигналами американской системы NAVSTAR/GPS. BEIDOU M3-S (41309..., наклонение 55,2º После выведения КА «Beidou M3-S» в ОКП на высокоэллиптической орбите осталась... приведены в таблице 3.1. Таблица 3.1 № АСПОС ОКП BEIDOU M3-S 41309 YZ-1 R/B 41310 BREEZE-M DEB... сближения (UTC) расстояние (км) Гонец-M3 (19148 / 2012-041B / 38734) 10...



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... 395 51.6 51.6 0 0 0 0 2016-006A BEIDOU M3-S CHINA 21523 21532 55.0 2 0 2016... 542 595 97.6 1 0 2016-021A BEIDOU IGSO 6 CHINA 55.0 1 0 source  International...



Дата загрузки: 2017-05-20
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0.09/5
... 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... δt: ˜ 31 ) + α R3 = ρ + c (δtrcv − δtsat ) + T + α ˜ 3 (I + K ˜ 1 K21 + M3 + ε3 sat ˜ Φ3 = ρ + c(δtrcv − δt ) + T − α ˜ 3 (I + K31 ) − α ˜ 1 K21 + + B3... 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 system, 42 Beidou, 35 Reference time Galileo, 35 Beidou, 41 Glonass...



Дата загрузки: 2017-05-20
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0.54/5
... 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... parameters of BeiDou, GPS, and Galileo ephemeris models. Parameter GM ω BeiDou GPS...·10-5 rad/s 398600.4418·109 m3/s2 7.2921151467·10-5 rad/s 3.2 Clock... 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...



Дата загрузки: 2017-04-08
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0.11/5
... 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... for user Computation μ = 3.986004418×1014 m3/s2   7.2921150 10 5 rad/s  e π = 3.1415926535898... 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...



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0.49/5
... 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...°) 96.5°E (55°) 92.5°E (55°) M1 M3 M4 M5 M6 C30 C11... 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... for the newly launched MEOs M3 and M4, there were no... 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...



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... 50: N/A bit 51: N/A bit 52: BeiDou enabled bit 53: N/A bit 54... 16: QZSS Almanac 21: BeiDou Ephemeris 22: BeiDou Almanac Trimble OEM BD9xx... set to 0 for subtypes 4 and 5. BeiDou SV Range: 1–30. FLAGS bit...: 1–36 4: QZSS: 1–5 (PRN 193-197) 7: BeiDou: 1–30 MODE: Subtype 20 only... 20: SV Flags 21: BeiDou Ephemeris 22: BeiDou Almanac Trimble OEM BD9xx...: 1–36 4: QZSS: 1–5 (PRN 193-197) 7: BeiDou: 1–37 MODE: Subtype 20 only... SV 4: QZSS: 1-5 (PRN 193-197) 7: BeiDou: 1-37 Only Mode = 0 is valid... Family Interface Control Document 42 BeiDou ephemeris report The ephemeris report... Family Interface Control Document 44 BeiDou Almanac report The ALMANAC report... data is included. Subtype 22: BeiDou Almanac Byte Item Type Value... 8 (double) 90 ALM-SRC for BeiDou 1 (byte) ---------- End of Subtype 22... 2: GLONASS 3: Galileo 4: QZSS SV FLAGS 7: BeiDou SV FLAGS is a bitmapped field... 0 1 2 3 4 5 6 7 GPS SBAS GLONASS Galileo QZSS BeiDou RESERVED RESERVED Trimble OEM BD9xx... l Galileo SV enable/disable record l BeiDou SV enable/disable record l SBAS... or bad health BeiDou SV enable/disable record The BeiDou SV enable... disable a selection of the 30 BeiDou satellites. By default, the receiver... satellite(s) are ignored, and the BeiDou signal transmissions from the satellite... additional records provided when the BeiDou SV enable/disable record is... Notes (Char) SV 30 See BeiDou SV ENABLE/DISABLE (Chars) enable... information in the BeiDou SV enable/disable record. BeiDou SV enable/disable.../RT27 rate values, 0x0f : Controls BeiDou Ephemeris rate. page 85. The...) AV34 (M1) AV37 (M2) LV59 (M3) For a complete and up-to...) AV34 (M1) AV37 (M2) LV59 (M3) For a complete and up-to...



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... 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....) Compass 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...