作者: 美麗的寫 時(shí)間: 2025-3-21 21:51
Cycle-Slip Detection and Correction Based on Polynomial-Fitting Ionosphere-Free Combination and Ionoethod of TECR. In addition, the combination of the two methods can detect and repair their insensitive cycle slips effectively. Because the new method only use carrier phase, it can not only detect the cycle slips effectively, but also repair them reliably.作者: 形容詞 時(shí)間: 2025-3-22 01:46 作者: 增減字母法 時(shí)間: 2025-3-22 07:54 作者: FLIC 時(shí)間: 2025-3-22 11:54 作者: 控訴 時(shí)間: 2025-3-22 12:53 作者: 控訴 時(shí)間: 2025-3-22 19:54
Conference proceedings 2015techniques and applications. .SUN Jiadong. is the Chief Designer of the Compass/ BDS, and the academician of Chinese Academy of Sciences (CAS); .LIU Jingnan .is a professor at Wuhan University. .FAN Shiwei. is a researcher at China Satellite Navigation Office; .LU Xiaochun. is an academician of Chinese Academy of Sciences (CAS)..作者: 性上癮 時(shí)間: 2025-3-23 00:26
https://doi.org/10.1007/978-88-470-0682-9uced by considering the distance between the satellite and the Earth and DSNR. The results indicated that the new weight algorithm improved the DCB accuracy and enhanced the stabilities, which improved GEO satellites 1–15?%, IGSO satellites 4.5–16?%, MEO satellites 20–22?%.作者: MAPLE 時(shí)間: 2025-3-23 03:25 作者: 開玩笑 時(shí)間: 2025-3-23 08:48 作者: 召集 時(shí)間: 2025-3-23 12:24 作者: faucet 時(shí)間: 2025-3-23 17:45
New Results of Multi-GNSS Orbits Validation Based on SLR Observationsodels such as station coordinates, laser propagation delay models were introduced to establish the measurement model. The validation of the BACC orbits shows a mean deviation around 5–10?cm for the GLONASS satellites, 10–15?cm for the COMPASS MEO/IGSO satellites, 2.65?m for the COMPASS GEO satellites, and 20–25?cm for the GALILEO satellites.作者: 通知 時(shí)間: 2025-3-23 22:05
Research of KeyTechnology on the Combination of GPS, VLBI, SLR and DORIS Solution for Station Coordi fused with DORIS solutions, the combined solution of LOD generally keep a consistency with C04, the WRMS is 0.026?ms, but UT show a large difference and unconsistence with C04 and the optimal solution because it could only be determined by VLBI.作者: addict 時(shí)間: 2025-3-24 02:04
Jiadong Sun,Jingnan Liu,Xiaochun LuCollections of CSNC2015 papers.Achievements and progress of BDS.Latest studies of Global Navigation Satellite System in China.Hot topics in Global Navigation Satellite System.Includes supplementary ma作者: 侵害 時(shí)間: 2025-3-24 03:10
Lecture Notes in Electrical Engineeringhttp://image.papertrans.cn/c/image/225382.jpg作者: GEM 時(shí)間: 2025-3-24 10:10
Radiological Reporting in the United States, satellite system. However, the result of precise orbit determination and orbit prediction affected the precision of broadcast ephemeris. It’s a very complex task to calculate the precise orbit of satellite. The in-orbit satellite is effected by several kinds of perturbations, that are Earth’s non-s作者: Legend 時(shí)間: 2025-3-24 12:51 作者: dandruff 時(shí)間: 2025-3-24 18:22
Radiological Reporting in Clinical Practiceetection and facilitating ambiguity resolution in GNSS dual-frequency data processing. The constellation of BeiDou Navigation Satellite System (BDS) is different from that of GPS. GPS constellation includes only Medium Earth Orbit (MEO) satellites, while BDS constellation is composed of three types 作者: CHURL 時(shí)間: 2025-3-24 20:21 作者: Mosaic 時(shí)間: 2025-3-25 00:59 作者: FEIGN 時(shí)間: 2025-3-25 05:57 作者: 衣服 時(shí)間: 2025-3-25 08:18 作者: PON 時(shí)間: 2025-3-25 13:30 作者: 值得尊敬 時(shí)間: 2025-3-25 15:49
Review of the Literature on Reports,isting atmospheric models belong to the type of semi-empirical model, thus the data sets are not of homogeneous quality and have limited geographical and temporal coverage. Since the space-borne accelerometer could measure the total non-conservative accelerations acting on LEO directly, the atmosphe作者: 種類 時(shí)間: 2025-3-25 21:21 作者: Acumen 時(shí)間: 2025-3-26 02:20
Radiological Reporting in Clinical Practicein precise point positioning mode, while GPS and Beidou positioning accuracy and observation residuals of each tracking station are analyzed, which can provide reference for the establishment of centimeter-level reference coordinate frame using Beidou system. The results are as follows: single day p作者: impale 時(shí)間: 2025-3-26 06:55
https://doi.org/10.1007/978-94-007-7256-4cise point positioning (PPP) model is one of the main strategies of GNSS network data processing. With the increasing of stations’ scale, the processing time of PPP pattern also increases linearly, the traditional serial processing pattern need to consume a large amount of computing time. As the PPP作者: MENT 時(shí)間: 2025-3-26 12:17
Osnat Luxenburg,Esti Shelly,Michal Margalit high precision using range observations by satellite laser ranging (SLR). China has completed the Asia-Pacific area COMPASS Satellite Network, and is committed to the establishment of the international GNSS Monitoring and Assessment System (IGMAS). Orbit validation is one of the key factors in the 作者: 不愿 時(shí)間: 2025-3-26 15:55 作者: 有抱負(fù)者 時(shí)間: 2025-3-26 20:27 作者: 補(bǔ)角 時(shí)間: 2025-3-26 22:33 作者: BRIBE 時(shí)間: 2025-3-27 04:18
Barotrauma and Decompression Sickness, the Asia-Pacific region at the end of 2012, it has been widely used in the national economy and society, with that the whole system runs stably, and is in good condition. In order to verify the precision level of the positioning solution of the second generation BeiDou system (BD-2) in the conditio作者: UNT 時(shí)間: 2025-3-27 09:09 作者: Diluge 時(shí)間: 2025-3-27 10:03 作者: mitten 時(shí)間: 2025-3-27 13:50
Robert George,Lawrence Lau,Kwan-Hoong Ngproduction based on the ionosphere-free combination estimation. BDS station-satellite DCB is separated in this paper with the ionospheric delay estimation of uncombined PPP, analysis in results and stability is also introduced. Slant ionospheric delay is inverted with ionosphere observation and separated DCB at last.作者: Keratin 時(shí)間: 2025-3-27 19:00
https://doi.org/10.1007/978-3-662-46632-2BeiDou System (BDS); CSNC2015; Chinese GNSS; Compass/BDS; GNSS; Satellite Navigation; Satellite navigation作者: MOTTO 時(shí)間: 2025-3-27 23:10
978-3-662-51661-4Springer-Verlag Berlin Heidelberg 2015作者: myopia 時(shí)間: 2025-3-28 05:01 作者: flaggy 時(shí)間: 2025-3-28 07:55
Radiological Reporting in the United States,TRP), Earth radiation pressure (ERP). The influence of SRP model parameters had been analyzed in precise orbit determination by long arc orbit calculation. According to the analyzed result, the adjust strategy of the parameters of SRP model had been given for long arc orbit determination, thus the r作者: PLAYS 時(shí)間: 2025-3-28 10:30 作者: myopia 時(shí)間: 2025-3-28 16:54
Radiological Reporting in Clinical Practicethe superposition of the systematic biases of two satellites observations. By single-differencing between receivers, different characteristics are shown for different types of satellites and different baseline distances. The systematic biases of IGSO and MEO MW combination series can be cancelled ou作者: 蔑視 時(shí)間: 2025-3-28 22:38
Radiological Reporting in the United States,recision is better than 0.2?ns; On the whole, the precision of Un-difference mode and epoch single-difference model is quite; From the calculation efficiency and high-precision clock error application, the epoch single-difference model is adapt to GNSS real-time precise clock estimation because of l作者: hauteur 時(shí)間: 2025-3-29 00:07
Francesco Schiavon,Fabio Grigenti is better than single system PPP solutions. For PPP daily solutions, however, the positioning accuracy is not significantly improved. Finally, the integer ambiguity resolution of PPP was conducted. Only the GPS ambiguities were fixed and leaved BDS ambiguities as float values. The experiment result作者: 時(shí)代 時(shí)間: 2025-3-29 05:33 作者: 易改變 時(shí)間: 2025-3-29 08:01 作者: 享樂主義者 時(shí)間: 2025-3-29 14:07 作者: 宴會(huì) 時(shí)間: 2025-3-29 18:48 作者: 騷擾 時(shí)間: 2025-3-29 19:46
https://doi.org/10.1007/978-94-007-7256-4mmeasurable results. In this paper, by analyzing the flow characteristics of the PPP method, a parallel GNSS data process model at multi-core and multi node level was set up, and a lightweight parallel programming model was adopted to realize the parallel model. Through a large number of data tests 作者: esoteric 時(shí)間: 2025-3-30 01:24
Barotrauma and Decompression Sickness,of the short baseline solution of BD-2 is rather equal compared with GPS. Under the static condition, the precision of ultra-short baseline solution of BDS is slightly worse than GPS; under the dynamic condition, that of BDS in E and N directions are rather equal to that of GPS, while in the U direc作者: ENDOW 時(shí)間: 2025-3-30 05:25
Barotrauma and Decompression Sickness,sts are implemented to verify the consistency of combined products. Finally, some suggestions are given according to the test results of the present stage. The results of PPP test show that the static PPP coordinate daily repeatability of combined orbit/clock is at millimeter level. The standard dev作者: Geyser 時(shí)間: 2025-3-30 11:38
1876-1100 the academician of Chinese Academy of Sciences (CAS); .LIU Jingnan .is a professor at Wuhan University. .FAN Shiwei. is a researcher at China Satellite Navigation Office; .LU Xiaochun. is an academician of Chinese Academy of Sciences (CAS)..978-3-662-51661-4978-3-662-46632-2Series ISSN 1876-1100 Series E-ISSN 1876-1119 作者: 自傳 時(shí)間: 2025-3-30 14:07 作者: beta-cells 時(shí)間: 2025-3-30 16:39
Parametric Study of Solar Radiation Pressure Model Applying to Navigation Satellite Orbit DeterminatTRP), Earth radiation pressure (ERP). The influence of SRP model parameters had been analyzed in precise orbit determination by long arc orbit calculation. According to the analyzed result, the adjust strategy of the parameters of SRP model had been given for long arc orbit determination, thus the r作者: 擁擠前 時(shí)間: 2025-3-30 22:08
BDS/GNSS Real-Time Kinematic Precise Point Positioning with Un-differenced Ambiguity ResolutionCB) of BDS IGSO and MEO satellites kept stable; The precision were less than 1?cm in plane direction and 3?cm in vertical direction after the fusion of BDS, GPS and GLONASS even without ambiguity resolution, respectively; It not only raised the precision of positioning but also quicken the convergen作者: BOOST 時(shí)間: 2025-3-31 01:09
Characteristics Analysis of BeiDou Melbourne-Wübbena Combinationthe superposition of the systematic biases of two satellites observations. By single-differencing between receivers, different characteristics are shown for different types of satellites and different baseline distances. The systematic biases of IGSO and MEO MW combination series can be cancelled ou作者: 類人猿 時(shí)間: 2025-3-31 08:45 作者: 新星 時(shí)間: 2025-3-31 09:23
Integrating BDS and GPS to Accelerate Convergence and Initialization Time of Precise Point Positioni is better than single system PPP solutions. For PPP daily solutions, however, the positioning accuracy is not significantly improved. Finally, the integer ambiguity resolution of PPP was conducted. Only the GPS ambiguities were fixed and leaved BDS ambiguities as float values. The experiment result作者: 不斷的變動(dòng) 時(shí)間: 2025-3-31 17:15
Study on BeiDou Navigation Satellite Precise Orbit Determination Based on the Extended Kalman Filter based on the observation of Compass Experimental Test Service network (CETS). Two types for comparison for BDS orbit determination accuracy are used, which are inner and outer consistency test. Although the results show that the accuracy of Orbit Study is 10?cm worse than PANDA in radial direction,作者: Common-Migraine 時(shí)間: 2025-3-31 21:04 作者: senile-dementia 時(shí)間: 2025-4-1 01:37
Upper Atmospheric Density Retrieval from Accelerometer on Board GRACE Missionperiment, we use the dynamical orbit determination strategy to calibrate the accelerometers, and then retrieve the air density at the altitude of GRACE Mission. The results show that prediction models cannot exhibit the density variation in high frequency, and the in situ measurements are very usefu作者: 微塵 時(shí)間: 2025-4-1 03:00 作者: 漂亮 時(shí)間: 2025-4-1 08:49 作者: Intellectual 時(shí)間: 2025-4-1 10:32
BDS and GPS Ultra-Short Baseline Measurement Performance Comparison and Analysisof the short baseline solution of BD-2 is rather equal compared with GPS. Under the static condition, the precision of ultra-short baseline solution of BDS is slightly worse than GPS; under the dynamic condition, that of BDS in E and N directions are rather equal to that of GPS, while in the U direc作者: Alveoli 時(shí)間: 2025-4-1 16:48
The iGMAS Combined Products and the Analysis of Their Consistencysts are implemented to verify the consistency of combined products. Finally, some suggestions are given according to the test results of the present stage. The results of PPP test show that the static PPP coordinate daily repeatability of combined orbit/clock is at millimeter level. The standard dev
