Спутник навигационных систем. Beidou IGSO 4. [Редактировать]

BD 2M (Beidou 2M) и BD 2I (Beidou 2I) - это космические аппараты которые располагаются на средней и геостационарной орбите и составляют второй этап развития китайской клобальной навигационной системы. Условно данные аппараты разделены на две группировки одна из которых носит наименование Compass-M, а вторая Compass-I. Аппараты построены на основе платформы DFH-3 и оснащены как фазированной антенной для передачи сигналов так и лазерными рефлекторами.

Дополнительные наименования

#НаименованияПоиск в новостяхПоиск в документах
1Beidou 2-I4НайтиНайти
237763НайтиНайти

Дополнительная классификация

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

Характеристики орбиты

#ХарактеристикаЗначение
1Наклонение, град54.7
2Апогей, км35909.0
3Перигей, км35670.0
4Период, минут1435.9
5Длинный диаметр эллипса, км42160

Пусковые характеристики

#ХарактеристикаЗначение
1Код NSSDC2011-038A

Информация об удачном запуске

#ХарактеристикаЗначение
1Дата пуска2011-07-26 at 21:44:00 UTC
2Полезная нагрузка 1xBeidou IGSO 4
3Ракета-носитель 1xВеликий поход 3A

Найдено 131 документов по запросу «Beidou IGSO 4». [Перейти к поиску]


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... of the GEO and IGSO satellites, the BeiDou system provides best coverage... 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... structure of the BeiDou D1 navigation message for MEO/IGSO satellites. Each... 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... 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 navigation system employing MEO, IGSO, and... 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... 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 in... 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.... 10 Figure 7. Differences between BeiDou MEO and IGSO broadcast orbits and post... post-processed products for BeiDou MEO and IGSO satellites (March 10-19... to different realization of the BeiDou system time. As discussed in... in the comparison of BeiDou MEO and IGSO broadcast orbits with post... 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: 2016-12-29
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... Systems: GPS, GLONASS, Galileo and BeiDou. - Scientific Reports, 5. DOI: http://doi... Systems: GPS, GLONASS, Galileo and BeiDou Xingxing Li1,2, Xiaohong Zhang1, Xiaodong... available once all four systems (BeiDou 1 Galileo 1 GLONASS 1 GPS) are fully... two new and emerging constellations (BeiDou, Galileo) as well as the.../Navigation/The_future_-_Galileo/What_is_Galileo). The BeiDou navigation satellite system, being established... comprises 5 GEO (Geostationary Earth Orbit), 3 IGSO (Inclined Geo-Synchronous Orbit), and... 35,786 km, five in IGSO at an altitude of 35... analyze data of GPS, GLONASS, BeiDou and Galileo and also serves... the completion of the BeiDou regional system, GPS 1 BeiDou combined precise orbit.... In this contribution, we develop a BeiDou 1 Galileo 1 GLONASS 1 GPS four-system...’ data of MGEX and BETN19 (BeiDou Experimental Tracking Network) networks from..., the satellite visibilities for Galileo, BeiDou, GLONASS and GPS on September... the various orbital types. The BeiDou GEO satellites have the longest... for the whole day. The BeiDou IGSO satellites C06–C10 are tracked... day. The special constellation of BeiDou, including five GEOs and five... epoch, there are about 7 , 13 BeiDou, 5 , 10 GLONASS, and 7 , 14 GPS.... elevation) of GPS, GLONASS, Galileo 1 BeiDou at GMSD, respectively. Compared with... PDOP values are about 1.2 , 3. The BeiDou PDOP values are larger than... SNRs and MPCs of BeiDou GEO C02, IGSO C06 Figure 1 | The distribution... are shown in different colors, BeiDou in blue, GPS in red... Figure 2 | Satellite visibility of Galileo, BeiDou, GLONASS and GPS at the... September 3, 2013 (GPS Time). Galileo, BeiDou, GLONASS and GPS satellites are... for SNR and MPC. The IGSO satellites can be observed much... about 0.4 m. The STD of the BeiDou MEO’s MPC values is about... different orbital types of the BeiDou satellites, the GEO MPC values... a STD about 0.22 m, compared to IGSO with about 0.3 m, which is between... satellite number of GPS, GLONASS, BeiDou, Galileo and the total satellite...; c) BeiDou (pink) and Galileo (red); d) all the satellites including GPS, GLONASS, BeiDou... PDOP values of GPS, GLONASS, BeiDou and four-system combination are... proportion of lowelevation periods for IGSO is lower than that of..., which is covered by the BeiDou service of the AsiaPacific area... PPP results of GPS-only, BeiDou-only, GLONASS-only and Galileo... to the GPS solution. The BeiDou-only PPP presents good performance.... The combined GPS/BeiDou,GPS/GLONASS,GPS/Galileo,GPS 1 BeiDou 1 GLONASS 1 Galileo... seen that the combined GPS/BeiDou and GPS/GLONASS solutions significantly... positioning. Especially, the combined GPS 1 BeiDou 1 GLONASS 1 Galileo PPP present the... the Asia-Pacific region of BeiDou service. At this location, both... | 5 : 8328 | DOI: 10.1038/srep08328 BeiDou and Galileo cannot provide continuous.... The cm level accuracy for BeiDou-only or Galileo-only PPP.... Importantly though, the addition of BeiDou or Galileo to the GPS... position series. The combined GPS 1 BeiDou 1 GLONASS 1 Galileo PPP also shows... the highest accuracy, while the BeiDou-only PPP has the worst..., R04, E20, C02(GEO), C06(IGSO) and C13(MEO) are selected... station. (GPS, GLONASS, Galileo, BeiDou GEO, BeiDou IGSO and BeiDou MEO; on the first... GPS-only, GLONASS-only and BeiDou-only position series are shown..., respectively. The horizontal accuracy of BeiDou-only kinematic PPP is comparable... that of GPS, but the BeiDou vertical accuracy is worse than... 1.2 m, while the RMS value of BeiDou MEO’s code residuals is largest... the different orbital types of BeiDou satellites, the RMS of GEO... 1.3 m, while the RMS of the IGSO residuals is about 1.5 m, which is... of low-elevation periods for IGSO is lower than that of... within service regions. For the BeiDou phase observations, the RMS of... (GPS Time). The GPS, GLONASS, BeiDou and four-system solutions are... that the RMS value of BeiDou MEO residuals is even slightly... current available GNSSs, we developed a BeiDou 1 Galileo 1 GLONASS 1 GPS four-system... show that the addition of BeiDou, Galileo and GLONASS systems to...), R04 (GLONASS), C02 (BeiDou GEO), C06 (BeiDou IGSO), C14 (BeiDou MEO), and E20 (Galileo... types (GPS, GLONASS, Galileo, BeiDou GEO, BeiDou IGSO, and BeiDou MEO). and station displacements... the multiconstellation case, the combined BeiDou 1 Galileo 1 GLONASS 1 GPS observation model... the GPS, GLONASS, GALILEO, and BeiDou satellites, respectively; Rk denotes the... interpreted as a relative calibration of ‘‘BeiDou/Galileo with respect to GPS... carrier phase and pseudorange observations; BeiDou 1 Galileo 1 GLONASS 1 GPS, 74 satellites...: L1/L2; GLONASS: L1/L2; BeiDou: B1/B2; Galileo: E1/E5a.../srep08328 6. China Satellite Navigation Office, BeiDou Navigation Satellite System Signal in.... Initial assessment of the COMPASS/BeiDou-2 regional navigation satellite system. GPS... al. Precise orbit determination of BeiDou Satellites with precise positioning. Science... Systems: GPS, GLONASS, Galileo and BeiDou. Sci. Rep. 5, 8328; DOI:10...



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...: 18 June 2016 Abstract: The BeiDou satellite-induced code biases have... or the improved model. Keywords: BeiDou; code bias variation; code-phase... The Chinese BeiDou navigation satellite system (abbreviated as BDS, or BeiDou, or... BeiDou satellites including six geostationary orbit (GEO), seven inclined geosynchronous orbit (IGSO... mentioning that only 13 operational BeiDou satellites are presently available (5GEO... characteristics of BeiDou signals, Nadarajah et al. first discovered the BeiDou Inter..., however, are commonly found in BeiDou IGSO and MEO satellites [22]. The... important contribution to the current BeiDou constellation. Nevertheless, the data used... frequencies triple-frequency Take (B1, BeiDou example; the codecombinations. multipath on... Figure 1 are MP seriesin ofthis BeiDou satellites observed on JFNG (Wuhan... of BeiDou satellites observed on JFNG China) a Trimble Net R9 receiver. BeiDou..., types, i.e., GEO,with IGSO, a Trimble Net R9 receiver. BeiDou satellites are grouped... GPS, are found in BeiDou MEO and IGSO satellites. The code bias variation reaches approximately 1 m at high elevation BeiDou MEO and IGSO satellites. The code bias... elevation [degrees] 75 90 Figure 1. BeiDou and GPS code MP series... coefficients for both GPS and BeiDou satellites. In general, the correlation... for BeiDou IGSOs and MEOs, whereas the correlations of GPS and BeiDou... whether such code biases affect BeiDou GEO code measurements. Hence, the... series. BeiDou GPS MP1 MP2 MP3 ´0.04 0.08 0.12 GEO IGSO MEO... GNSS receivers capable to receive BeiDou signals. Most of these stations... NetR9 receivers providing triple-frequency BeiDou observations. However, only a few stations... a long-term variation of the BeiDou satellite induced code bias. However... of 10 for Figure BeiDou MEO and IGSO satellites. As already mentioned, stations equipped with Septentrio receivers BeiDou MEO MEO and and IGSO IGSO satellites. satellites. As... with Septentrio Septentrio receivers receivers BeiDou provide only B1 and B2... an interval of 10° for BeiDou MEO (left) Figure Figure 3. 3. Number... a Trimble NetR9 receiver. AllNetR9 available BeiDou duringBeiDou the test period (i.e.,the... a Trimble NetR9 receiver. All available BeiDou data during the test period... models for BeiDou MEO MEO (left) (left) and and IGSO satellites satellites... models for BeiDou BeiDou Figure 4. 4. Piecewise linear for MEO (left) and IGSO IGSO satellites... linear MP models for BeiDou MEO (left) and IGSO satellites (right) using... for for BeiDou MEO MEO (left) (left) and and IGSO IGSO satellites satellites... different stations (equipped with six BeiDou Trimble receivers and four Septentrio... model for BeiDou satellite bias. addition the correction the corresponding BeiDou satellite... correction values, the corresponding precisions BeiDou code bias. In addition to... BeiDou MEO/IGSO code measurements. Table 2. Correction values and their precisions for BeiDou MEO/IGSO... Correction andelevation their precisions for(0,5) BeiDou code measurements. 5° and 85° are... are summarized in Table 3. Precise BeiDou orbits and clock corrections provided... are summarized in Table 3. Precise BeiDou orbits and clock corrections provided... after convergence with the current BeiDou constellation even if we leave... from the other GNSS systems, BeiDou (IGSO and MEO) code measurements are... from the other GNSS systems, BeiDou (IGSO and MEO) code measurements are..., S. Initial Assessment of the COMPASS/BeiDou-2 Regional Navigation Satellite System. GPS..., L.; Uhlemann, M. Orbit and Clock Determination-BeiDou. In Proceedings of the International... ionospheric delay with ground-based BeiDou and GPS observations in China..., X. Estimating zenith tropospheric delays from BeiDou navigation satellite system observations. Sensors... differential code bias corrections for BeiDou positioning. J. Geod. 2015, 89, 427... analysis of code measurements for BeiDou geostationary satellites. GPS Solut. 2015...-frequency carrier ambiguity resolution for Beidou navigation satellite system. GPS Solut... triple-frequency ambiguity resolution with BeiDou observations. GPS Solut. 2015, 20... navigation and positioning performance of BeiDou regional navigation satellite system. Sci..., X. Precise Point Positioning with the BeiDou Navigation Satellite System. Sensors 2014... Systems: GPS, GLONASS, Galileo and BeiDou. Sci. Rep. 2015, 5. [CrossRef] [PubMed...-time precise positioning: GPS, GLONASS, BeiDou, and Galileo. J. Geod. 2015, 89.... 2016. [CrossRef] Nadarajah, N.; Teunissen, P.J.G.; Raziq, N. BeiDou inter-satellite-type bias evaluation..., P.J.G.; Sleewaegen, J.M.; Montenbruck, O. The mixed-receiver BeiDou inter-satellite-type bias and..., 357–368. [CrossRef] Wanninger, L.; Beer, S. BeiDou satellite-induced code pseudorange variations... Asia: First Experience with the BeiDou-2 Regional Navigation System. Poster at...



Дата загрузки: 2017-03-31
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... chains have been updated to BeiDou and QZSS processing capability. Satellite... GNSS GPS, GLONASS, Galileo, BeiDou (MEO and IGSO), and QZSS in a fully... processing weakly observed GNSS (QZSS, BeiDou) are preferred. Thanks to the... GNSS constellations: GPS, GLONASS, GALILEO, BEIDOU, and QZSS. This gives rise... elevation dependent pattern in the BEIDOU pseudo range residuals for the... Antenna Phase Center Corrections for BEIDOU In support of the IGS... the Inclined Geosynchronous (IGSO) and Medium Earth Orbiting (MEO) BEIDOU spacecraft (Dilssner... and one–half year of BEIDOU triple–frequency (B1, B2, B3... angle with 13 (MEO) and 9 (IGSO), respectively, linear segments (Fig. 2). The... PCO/PCV corrections to the BEIDOU observables gives an improved performance... Figure 2: Satellite– and block–specific IGSO (top) and MEO (bottom) PCV... variance–covariance matrix. Results for IGSO–4/5 are not shown for reasons... available: GPS, GLONASS, GALILEO, QZSS, BEIDOU, SBAS, EGNOS, etc. As of... Antenna Phase Center Corrections for BEIDOU. IGS Workshop 2014, June 23...–GNSS processing including GPS, GLONASS, BeiDou and Galileo has been set... parameter for GPS, GLONASS, Galileo, BeiDou, QZSS and SBAS – notice advisories... a total of 14 operational satellites, BeiDou constitutes the third satellite navigation... surrounding regions. Tracking of the BeiDou satellites is supported by a subset... 57 GFZ Analysis Center orbit (IGSO) can be provides as well... was also set up for BeiDou IGSO and MEO type satellites. The... other relevant parameters. The a priori BeiDou orbits are taken from the... GFZ generates IGR-like GPS+BeiDou orbits and 5 min clock products.... For the analysis, GPS and BeiDou data of the MGEX and... (doy 200) besides GPS and BeiDou, also GLONASS and GALILEO are.... For BeiDou, there are three different types of orbits: GEO, IGSO and... value of 1 to 2 meter. The IGSO and MEO satellites have RMS... 12 cm, respectively. Fortunately, all BeiDou and Galileo satellites are equipped... processing Satellite System GPS GLONASS BeiDou Galileo Median orbit difference RMS... orbit differences between (GPS+GLONASS+BeiDou+Galileo) and GFR (GFZ IGS... [cm] GPS GLONASS GALILEO BeiDou GBM GEO IGSO MEO 100 40 20...) SLR residuals [m] Stdv (grey) 0.2 0.0 −0.2 −0.4 MEO IGSO GEO E11 E12 E19 C11... given for individual Galileo and BeiDou satellites. 60 References References Bradke... Q. Zhao. Precise orbit determination of BeiDou Satellites at GFZ. IGS workshop... M. Uhlemann. Orbit and Clock Determination – BeiDou. IGS workshop 2014, Pasadena USA... system including GPS, GLONASS, Galileo, BeiDou, and QZSS. WHU analyzes MGEX... solutions based on PANDA software. BeiDou orbit and clock products from... the Beidou IGSO (C08) and MEO (C11) satellite orbit provided by GPS+Beidou... Activities Figure 5: Beidou C08 orbit validation by SLR. Figure 6: Beidou C11 orbit... and thus no data from Beidou, etc should be present in... signals (e.g., Galileo, QZS, SBAS, and BeiDou). The summary of the MGEX... file containing GPS, GLONASS, Galileo, BeiDou, QZSS, and SBAS ephemerides from... from GPS, GLONASS, Galileo, and BeiDou ionosphere–corrected pseudorange differences and... offset (PCO) values for Galileo, BeiDou and QZSS satellite antennas taking...) Satellite antennas GPS GLONASS Galileo BeiDou QZSS Number 83 92 0 0 0 Receiver... European Galileo and the Chinese BeiDou, an increasing number of types... offer a notably improved coverage of BeiDou and QZSS tracking in the... product, data and product analysis (BeiDou, Galileo, QZSS, IRNSS) Orbit and... Orbit and clock products Ionosphere BeiDou Figure 1: Distribution of MGEX stations... QZSS (blue), Galileo (red), and BeiDou (yellow) as of October 2014..., and, since early 2014 also BeiDou. No IRNSS support is available... of the orbit quality. For BeiDou precise orbit and clock products... of the MGEX network contributed BeiDou observations, however, many of these... satellites in inclined geosynchronous orbit (IGSO) and geostationary orbit (GEO) and... (MEO). For the MEO and IGSO orbits a consistency at the few... and variations for the BeiDou MEO and IGSO satellites have been estimated... files for GPS, GLONASS, Galileo, BeiDou, QZSS, and Satellite Based Augmentation... of GPS, GLONASS, Galileo, and BeiDou is provided by DLR for... products for the BeiDou MEO (C11–C14) and IGSO satellites (C06–C10... M. Uhlemann. Orbit and Clock Determination – BeiDou. IGS Workshop 2014, 23–27... Antenna Phase Center Corrections for BeiDou. IGS Workshop 2014, 23–27....Mowafy A. Quality Monitoring of BeiDou GEO/IGSO/MEO Satellite Observations IEEE Workshop...-Mowafy, A. and C. Hu. Validation of BeiDou Observations. Journal of Geodesy, 8(2): 155..., and O. Montenbruck. The Mixed–Receiver BeiDou Inter–Satellite–Type Bias and...



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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-M. They... and Technology Corporation). The first Beidou Phase II satellite in orbit... China had put four Beidou-G and five Beidou-IGSO satellites into orbit. On..., with 10 orbiting satellites, the Beidou system formally started to provide... and 3 IGSO) is scheduled for 2020 (Phase III, global service) [BeiDou-SIS... 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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... Assessment of the Contribution of BeiDou GEO, IGSO, and MEO Satellites to... European Galileo, the developing Chinese BeiDou satellite navigation system (BDS) consists... well as Inclined Geosynchronous Orbit (IGSO) satellites. In this study, the..., the largest contribution of BDS IGSO among the three kinds of... December 2012, the developing Chinese BeiDou satellite navigation system (BDS) was... (GEO), five Inclined Geosynchronous Orbit (IGSO), and four Medium Earth Orbit... tracks of BDS satellites. The IGSO satellites form two loops in... and its neighboring countries. The IGSO constellation is further complemented by... BDS constellation makes almost all IGSO IGSO and and GEO GEO satellites... for three GEO and four IGSO satellites, and used these products... BDS satellites, more specifically, GEO, IGSO and MEO to the PPP... vertical component, the contributions of IGSO and MEO satellites are not... geometry component, the contributions of IGSO and MEO satellites are not... to assess the contributions of IGSO and GEO satellites as their... to assess the contributions of IGSO and GEO satellites as their... different contributions of BDS GEO, IGSO, and MEO satellites to PPP... BDS GEO and IGSO BDS GEO and MEO BDS IGSO and MEO... plus BDS IGSO and MEO GPS, plus GLONASS, BDS IGSO and MEO... exclusion of BDS GEO or IGSO measurements in data processing may... for the whole day, whereas IGSO satellites are visible for most... 2b), all of GEO and IGSO satellites can be tracked continuously... observation condition for GEO and IGSO satellites is relatively poor in... 15˝ ). In addition, the five IGSO satellites in two separated orbital... significantly when IGSO satellites un-convergence significantly when thethe IGSO satellites are... percentage is significantly high once IGSO satellites are not all sites... percentage is significantly high once IGSO satellites are not used in... indicates that that the the IGSO IGSO satellites satellites make make the... types of satellites. This confirms IGSO satellites make the largest improvement... the three types again. that IGSO satellites make the largest improvement... 3c), the geometric condition of IGSO and GEO satellites is poor... of IGSO and GEO satellites is poor, the contributions of IGSO satellites... in hence, the contributions of IGSO satellites are weak, and the... demonstrates the largest contribution of IGSO among three types of BDS... to the ambiguities, the continuous IGSO tracking by sites in Asia... + GLONASS and BeiDou IGSO, MEO, GPS + BDS GEO, GPS + BDS IGSO, GPS + BDS... MEO, and finally GPS + BDS IGSO and MEO. The corresponding abbreviations... + I, and GPS + M solutions, respectively. Again, IGSO satellites make the largest reduction... static PPP solutions once the IGSO observations are also used. However... in the eastincomponent is improved IGSO or satellites MEO satellites to... accuracy of and the BDS IGSO combined static PPP solutions slightly... GPS + I or GPS and BDS IGSO combined static PPP solutions slightly.... For other two components, BDS IGSO and MEO satellites make similar.... For other two components, BDS IGSO and MEO satellites make similar... GEO satellites to GPS and IGSO combined PPP solutions, i.e., contaminated slightly... GEO satellites to GPS and IGSO combined PPP solutions, i.e., GPS + I and... combined solutions solutions when when IGSO IGSO observations observations are are also... contribution offour BDSweeks GEO, of IGSO, and GLONASS to the In... different contribution of BDS GEO, IGSO, MEO, and GLONASS observations to... PPP performances demonstrate that the IGSO satellites make the convergence positioning... performances demonstrate that improvement the IGSO satellites make the accuracy of... the convergence time and improvement IGSO of positioning condition, MEO observations... thewith sitespoor with geometry. better IGSO tracking Various numerical results show... by inclusion of either BDS IGSO/MEO GLONASS satellites improve the... general, the positioning performance is IGSO/MEO or GLONASS satellites. improved... with the GPS ones. The IGSO satellites make the largest contribution... results29981 demonstrate the inclusion of BeiDou GEO satellites 12 Sensors 2015... results demonstrate the inclusion of BeiDou GEO satellites could slightly degrade..., X.; Liu, J. Precise orbit determination of Beidou satellites with precise positioning. Sci... analysis of Compass GEO and IGSO satellites. J. Geod. 2013, 87, 515..., J.; Liu, X.; Wang, G. Preicse Positioning with BeiDou and Galileo—Initial Results; International..., X. Precise Point Positioning with the BeiDou Navigation Satellite System. Sensors 2014... Systems: GPS, GLONASS, Galileo and BeiDou. Sci. Rep. 2015, 5. [CrossRef] [PubMed... Point Positioning using the regional BeiDou navigation satellite constellation. J. Navig. 2014..., China, November 2014. Wanninger, L.; Beer, S. BeiDou satellite-induced code pseudorange variations..., P. Carrier phase multipath mitigation for BeiDou navigation satellite system. GPS Solut... analysis of code measurements for BeiDou geostationary satellites. GPS Solut. 2015... BeiDou observations. GPS Solut. 2015. [CrossRef] Lu, G. Precise orbit determination of BeiDou...



Дата загрузки: 2017-02-23
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0.14/5
...-constellation signal [16–18]. The BeiDou Navigation Satellite System (BDS) is... the BeiDou Navigation Satellite (BDS) regional system. GEO: geostationary orbits; IGSO: inclined... 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... 110.5◦ E GEO 160.0◦ E IGSO 120◦ E IGSO 120◦ E IGSO 120◦ E IGSO 95◦ E IGSO 95◦ E GEO 58... MEO GEO 80.3◦ E IGSO MEO MEO IGSO MEO IGSO GEO Researchers [20–22...: 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: 2017-03-18
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0.13/5
... GLONASS Galileo BeiDou 5 0 -5 -10 -15 2012 2014 2013 2014 X BeiDou Fig. 2: Tracking... GPS, GLONASS, Galileo, and BeiDou MEO and IGSO satellites. The orbits refer...-to-day groundtrack shift. The BeiDou orbits benefit too, because of... sparse and inhomogeneous distribution of BeiDou tracking sites (see Fig. 2) and... long revolution time (especially the IGSO and GEO satellites). The orbit... residuals for Galileo (top left), BeiDou (top right), and all (bottom... 2013 2014 GPS GLONASS Galileo BeiDou 25 20 15 10 5 2012... residuals for Galileo (top left), BeiDou (top right) and all (bottom... of the masers. Galileo IOV BeiDou IGSO BeiDou MEO 100 80 60 40...] DOY 300 0 GPS GLONASS Galileo BeiDou Year 200 5 Year 10 Results... orbits for Galileo (top left), BeiDou (top right), and all (bottom... [cm] 60 2013 Signal frequencies: IGSO MEO 20 Year STD of... Galileo SBAS BeiDou QZSS 100 1 GPS, Galileo, BeiDou (MEO and IGSO) GPS-weeks 1710 - 1784 (DOY 12/288 14/081); BeiDou... for Galileo, about 20 for BeiDou zero-diff. network processing (observable... for Galileo, B1+B2 for BeiDou orbits, ERPs, station coordinates, troposphere... processing. GPS, GLONASS, Galileo, BeiDou (MEO and IGSO) GPS-weeks 1689 - 1784 (DOY 12/146 14/081); BeiDou... for Galileo, about 20 for BeiDou double-difference network processing (observable... for Galileo, B1+B2 for BeiDou middle day of three-day... GAL BDS MEO 3.5 – 4.5 8.5 – 13.3 BDS IGSO 3.8 – 7.5 14 – 18.5 1 2 3.5 3.7 2– 2.5 7 -3.3 -1.5 -5.6 -0.2 3.7 4.9 8.4 6.9 Tab. 1: Validation statistics... for GPS, Galileo, and BeiDou MEO and IGSO satellites. Together with the... yet allow a complete determination of BeiDou satellite clocks: Especially for the.... Nevertheless, the CODE BeiDou MGEX products allow for a BeiDou-only PPP with... Tab. 2 shows that Galileo and BeiDou can already today with their...). GNSS: BeiDou-only (black), GPS-only (red), GPS+Galileo+BeiDou (blue). Reference.... Fig. 8: Galileo-GPS (left) and BeiDou-GPS (right) inter-system biases... al.: Orbit and Clock Determination - BeiDou; IGS Workshop 2014, Pasadena, 25...



Дата загрузки: 2017-01-30
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....ru КИТАЙСКАЯ СПУТНИКОВАЯ НАВИГАЦИОННАЯ СИСТЕМА BEIDOU И ЕЕ СРАВНЕНИЕ С GPS Аннотация. Целью... было исследование спутниковой навигационной системы BeiDou (КНР), ее развитие и сравнение ее.... Ключевые слова: Спутниковые системы радионавигации, BeiDou, GPS, дифференциальные координаты, параметры сигналов..." началась 27 декабря 2011 года (Beidou означает "Северный ковш", или "Большая... в реализации проекта по развертыванию системы Beidou впечатляют. В прошлом году на орбиту...). Китайская национальная навигационная система Бэйдоу (BeiDou, COMPAS) продолжает развиваться и становится все... "Галилео"(E5). Параметры гражданских сигналов BeiDou: - несущая частота – от 1191,795МГц..., лет Основные характеристики спутников КРНС " BeiDou " " BeiDou -G" " BeiDou -IGSO" " BeiDou -М" DFH-3B DFH-3B DFH... " BeiDou " РакетаNORAD Спутник Орбита, координаты* Статус носитель ID ГС0, первоначально " BeiDou CZ... - 58,75° в. д. " BeiDou CZ-3A 26643 ГСО, 80,5° в, д. 1В" " BeiDou CZ-3A....2010 CZ-3C " BeiDou 1D" " BeiDou М1" " BeiDou G2" " BeiDou G1" 30323 ГСО, первоначально...,5° в. д. Система BeiDou -1" BeiDou -2" или "Компас" Действующий " BeiDou 36590 ГСО, .84,0° в. д. Действующий G3" " BeiDou НГСО, 118° в. д., 55,0° 31.07.2010 CZ-3A 36828 Действующий IGSO-I" (накл.) " BeiDou 31.10.2010 CZ-3A 37210 ГСО, 160,0° в. д. Действующий С4" " BeiDou НГСО, 118° в. д., 55,0° 17.12.2010 CZ-3A 37256 Действующий IGSO-2" (накл.) " BeiDou НГСО, 118° в. д., 55,0° 09.04.2011 CZ-3A 37384 Действующий IGSO-3" (накл.) " BeiDou НГСО, 80-112° в. д., 26....) " BeiDou НГСО, 79-110° в. д., 02.12.2011 CZ-3A 37948 Действующий IGSO... орбите спутников BeiDou. Международное сотрудничество. Китай отстаивает и придерживается концепции «BeiDou для Китая... 1 - Распределение видимых на орбите спутников BeiDou. Для более оперативного достижения предусматриваемой... системы BeiDou. Были начаты «Тур BeiDou по Азиатско-Тихоокеанскому региону» и «Тур BeiDou по... поддерживают прием сигналов спутников системы BeiDou c возможностью постобработки полученных данных и работой... декабре 2015г. был представлен документ BeiDou Navigation Satellite System (BDS) Public.... Рисунок 2. Рисунок 2 - Зона обслуживания спутников BeiDou 2012г. Когда система Бэйдоу достигнет..., и 3 IGSO-спутника над Восточной и Юго-Восточной Азией. Краткое сравнение технологий GPS и BeiDou. Представлена в Таблице 3. 35 Рисунок 3 - Зона покрытия спутников BeiDou на 2015г... Availability PDOP ˃ 6 Horizontal Availability GPS и BeiDou GPS 6m 95% ZAOD 7.8m... m 99% global 90% worst site BeiDou 2.5m ZAOD95% 0.006m/s 95% 0.002mm... возможностей китайской системы СНС, а в перспективе BeiDou может занять лидирующие позиции в СНС..., Г.М. Байкенова, Иханбаев Д. Б. Қытайдың спутникті навигациялық BeiDou жүйесі және оны GPS-пен... Түйіндеме: Осы жұмыстың мақсаты BeiDou (КНР) спутниктік навигациялық жүйесін зерттеу...ған. Түйін сөздер: Спутниктік навигациялық жүйесі, BeiDou, GPS, дифференциальдық координаты, сигнал параметрлер..., Ihanbaev D. B. Chinese satellite navigating system BeiDou and its comparison with GPS... paper was to investigate the BeiDou satellite navigation system (China), its.... Keywords: Satellite radio navigation system, BeiDou, GPS, differential coordinates, signal parameters...



Дата загрузки: 2017-04-09
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0.03/5
Precise orbit determination of BeiDou Satellites at GFZ Z. Deng1, M. Ge1, M. ... Road, Wuhan 430079, China Introduction BeiDou Data Processing The Helmholtz Centre... new GNSS, such as Galileo, BeiDou and QZSS. In GFZ an... was also set up for BeiDou IGSO and MEO satellites. The ionosphere... MHz) is used. The apriori BeiDou orbits are taken from the... Chinese BeiDou constellation provides five usable GEO satellites, five usable IGSO satellites..., ESA, GFZ and WHU) provide BeiDou orbit and clock products to.... 1. Based on MGEX and Chinese BeiDou networks (BETS), up to 30... hours GEO: yaw-fixed mode IGSO&MEO: yaw-steering mode (β>4°) yaw... 2. An SLR validation of 4 ACs BeiDou orbits is introduced for time...) Tab. 1: Summary of the BeiDou data processing BeiDou Orbit Validation 2013 250...). The 29 BeiDou stations realize a global coverage for practical BeiDou orbit determination.... 2: orbit overlap (4 hours) statistic for BeiDou and GPS satellites in along... given in Fig 2. Wuhan University BeiDou products for the full year... repository. We compared the our BeiDou orbits with Wuhan’s for 6 weeks... C11 C12 C13 C14 Fig. 3: BeiDou orbit differences between GFZ and... directions for 6 weeks in 2013 BeiDou Orbit Validation using SLR 2014.... 4: 13 SLR stations used for BeiDou orbit validation PRN C01 C08... compassi5 compassm3 Tab. 2: SLR observed BeiDou satellites GBM Satellite WUM BDS...) In MGEX, 4 ACs have provided BeiDou orbit and clock products for... validate the quality of the BeiDou orbits. During the two weeks... are total 13 stations observed 4 BeiDou satellites (Fig. 4 and Tab. 2) The... of ~50 cm, while the IGSO and MEO satellite orbits have... GFZ provide IGR likely GPS+BeiDou orbit and 5 min. clock products... 2014 routinely. The GPS and BeiDou data of the MGEX & IGS... used for the analysis. The BeiDou orbit performant is assessed by... SLR validation study based on BeiDou orbits from 4 ACs over 2 weeks...