Download China Satellite Navigation Conference (CSNC) 2013 by Jun Wang, Yanming Feng (auth.), Jiadong Sun, Wenhai Jiao, PDF

By Jun Wang, Yanming Feng (auth.), Jiadong Sun, Wenhai Jiao, Haitao Wu, Chuang Shi (eds.)

China satellite tv for pc Navigation convention (CSNC) 2013 Proceedings offers chosen examine papers from CSNC2013, hung on 15-17 may well in Wuhan, China. The topic of CSNC2013 is: BeiDou program: possibilities and demanding situations. those papers speak about the applied sciences and purposes of the worldwide Navigation satellite tv for pc approach (GNSS), and the newest development made within the China BeiDou approach in particular. they're divided into nine subject matters to compare the corresponding periods in CSNC2013, which extensively lined key issues in GNSS. Readers can know about the BeiDou process and hold abreast of the newest advances in GNSS suggestions and applications.

SUN Jiadong is the executive clothier of the Compass/BeiDou procedure, and the Academician of chinese language Academy of Sciences (CAS); JIAO Wenhai is a researcher at China satellite tv for pc Navigation workplace; WU Haitao is a professor at Navigation Headquarters, CAS; SHI Chuang is a professor at Wuhan University.

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Read or Download China Satellite Navigation Conference (CSNC) 2013 Proceedings: Precise Orbit Determination & Positioning • Atomic Clock Technique & Time–Frequency System • Integrated Navigation & New Methods PDF

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Extra resources for China Satellite Navigation Conference (CSNC) 2013 Proceedings: Precise Orbit Determination & Positioning • Atomic Clock Technique & Time–Frequency System • Integrated Navigation & New Methods

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Furthermore, we investigate the possible reasons of orbit accuracy degradation with telemetry data, and the reasons are likely the variations of nongravitational forces in along- and cross-track directions caused by attitude mode switches, temperature variations of -X bus and some devices on -X surface which result in non-systematic geometry of -X and +X bus. 1 Introduction The proper model of the satellites’ yaw attitude is extremely essential for highprecision Global Navigation Satellite System (GNSS) positioning and its other geodetic applications.

1. 2), the rate of yaw angle get the maximum when l ¼ 0 or 180 . And its value is: _ tan b w_ n ¼ l= ð3:3Þ The Beidou satellite uses the momentum wheel to control the attitude, rather than using the jet propelling in case of changing the satellite’s orbit. Given the momentum wheel adjustment rate limit R, the critical value of the Sun’s elevation angle of the satellite’s orbital planes at noon and midnight can obtained: _ b0 ¼ tanÀ1 ðl=RÞ ð3:4Þ The Sun rotation speed to the orbit plane is about 1 degree per day.

4) successfully, and the difference between the four results from these programs is not more than 5 % [8]. Agnew [11] developed a method and its corresponding program for calculating loading tides named after NLOADF, which is based on the Green’s functions by Farrell [7], and is capable of combining regional ocean tide model with a global ocean tide model, so that users can use more accurate coastal models to improve the loading tide results. Now, only two unkown parameters including angular velocity -p and astronomical argument vp are left in Eq.

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