作者: 規(guī)范就好 時(shí)間: 2025-3-21 23:21
Ocean Tidal Loading Effects to Displacements at GNSS Sitesrom mainland to ocean, the OTL corrections to displacements play more and more important roles in precise positioning. The approaches to resolve OTL effects in precise GNSS data processing software GAMIT are that, either directly reading out the amplitudes and phases of several main tidal constituen作者: negligence 時(shí)間: 2025-3-22 02:04 作者: 責(zé)怪 時(shí)間: 2025-3-22 04:46
Precise Orbit Determination for COMPASS IGSO Satellites During Yaw Maneuversrbital plane, namely yaw-steering regime and yaw-fixed regime. However, transition of attitude modes will cause the significant degradation of the orbit accuracy. We present two approaches to improve the orbit accuracy based on Extended CODE Orbit Model (ECOM) and Adjustable box-wing model. The diff作者: 輕信 時(shí)間: 2025-3-22 11:34 作者: Congregate 時(shí)間: 2025-3-22 13:27 作者: Congregate 時(shí)間: 2025-3-22 18:34 作者: Tortuous 時(shí)間: 2025-3-22 23:10
Accuracy Analyses of Precise Orbit Determination and Timing for COMPASS/Beidou-2 4GEO/5IGSO/4MEO Conystem (GPS), the space segment of COMPASS consists of Geostationary Earth Orbit (GEO) satellites, Inclined Geosynchronous Satellite Orbit (IGSO) satellites and Medium Earth Orbit (MEO) satellites, and navigation information is provided by monitoring stations limited in regional area. Besides, attitu作者: Hyaluronic-Acid 時(shí)間: 2025-3-23 03:27 作者: 緯線 時(shí)間: 2025-3-23 06:08
Ionospheric Grid Modeling of Regional Satellite Navigation System with Spherical Harmonicsugmentation System (WAAS) broadcasts a set of ionospheric grids data for authorized single frequency GPS users every 300?s. WAAS uses inverse distance weighting (IDW) algorithm to calculate the vertical total electron content (VTEC) at those ionosphere grid points (IGP). IDW algorithm has good corre作者: Cpap155 時(shí)間: 2025-3-23 11:26
Lunar Satellite Orbit Measurement Based on Visual/Radio Fusiont. Through the method, the advantage of stable tracking by radio measurements and the advantage of short-range measurement by onboard camera are expect to be fully integrated. The basic idea of the method is as following. First, combined with orbit constraints of a lunar high resolution imaging sate作者: 無(wú)情 時(shí)間: 2025-3-23 16:31 作者: 演繹 時(shí)間: 2025-3-23 22:01 作者: 概觀 時(shí)間: 2025-3-24 00:35 作者: Condescending 時(shí)間: 2025-3-24 02:25
Research on Technique of Single-Satellite Orbit Determination for GEO Satellite of Partial Subsatelle away from ground tracking network. These satellites are important to improve the geometric dilution of precision (GDOP) for positioning and time service in sevice area. Comparing with geostationary satellite (GEO) of other subsatellite point, ground tracking geometry condition of GEO of partial su作者: 緊張過(guò)度 時(shí)間: 2025-3-24 07:26 作者: 甜食 時(shí)間: 2025-3-24 14:17
A Method Based on the Orbital Error Correction of the Wide Area Differential Positioning Algorithmorbit during the GEO satellite orbital maneuver phase. However, kinetic method brings larger orbital error so that the positioning accuracy will drop. This paper presents a method based on the orbital error correction of the wide area differential positioning algorithm. Based on analysis of the GEO 作者: Harass 時(shí)間: 2025-3-24 18:43
Realization of High-Precision Relative Positioning Using Beidou Regional Navigation Satellite System positioning has been carried out by sufficient measured data from Beidou test network. A comparison scheme with Beidou/GPS dual-mode data is designed, and feasibility and attainable precision of Beidou relative positioning have been verified effectively. As shown in results: coordinate accuracy rea作者: 為現(xiàn)場(chǎng) 時(shí)間: 2025-3-24 19:07 作者: FUME 時(shí)間: 2025-3-25 00:41
The establishment of a radioimmunoassayrom mainland to ocean, the OTL corrections to displacements play more and more important roles in precise positioning. The approaches to resolve OTL effects in precise GNSS data processing software GAMIT are that, either directly reading out the amplitudes and phases of several main tidal constituen作者: Minatory 時(shí)間: 2025-3-25 05:10 作者: 流出 時(shí)間: 2025-3-25 10:22 作者: 水獺 時(shí)間: 2025-3-25 13:57 作者: 險(xiǎn)代理人 時(shí)間: 2025-3-25 19:40 作者: 惡名聲 時(shí)間: 2025-3-25 23:27 作者: 上流社會(huì) 時(shí)間: 2025-3-26 01:57
Mechanisms of Tracer Localizationystem (GPS), the space segment of COMPASS consists of Geostationary Earth Orbit (GEO) satellites, Inclined Geosynchronous Satellite Orbit (IGSO) satellites and Medium Earth Orbit (MEO) satellites, and navigation information is provided by monitoring stations limited in regional area. Besides, attitu作者: Evocative 時(shí)間: 2025-3-26 06:29 作者: Outwit 時(shí)間: 2025-3-26 09:20
Miscellaneous radiotracer applications,ugmentation System (WAAS) broadcasts a set of ionospheric grids data for authorized single frequency GPS users every 300?s. WAAS uses inverse distance weighting (IDW) algorithm to calculate the vertical total electron content (VTEC) at those ionosphere grid points (IGP). IDW algorithm has good corre作者: 增減字母法 時(shí)間: 2025-3-26 12:54
https://doi.org/10.1007/978-94-009-4073-4t. Through the method, the advantage of stable tracking by radio measurements and the advantage of short-range measurement by onboard camera are expect to be fully integrated. The basic idea of the method is as following. First, combined with orbit constraints of a lunar high resolution imaging sate作者: 煉油廠 時(shí)間: 2025-3-26 19:59
Biological effects of radiation,biguity resolution (AR) by BeiDou or BeiDou/GPS are analyzed, which are also compared with those by GPS alone. The results show that the BeiDou-only dual-frequency RTK is already feasible, whose single-epoch AR performance and positioning accuracy are compared to those of GPS alone. Furthermore, the作者: BILK 時(shí)間: 2025-3-27 00:51 作者: 媽媽不開心 時(shí)間: 2025-3-27 04:29
https://doi.org/10.1007/978-94-009-4073-4her two navigation satellites to calculate the position information of the users. This method has become an important research direction of global satellite navigation to improve the ratio of cost and efficiency, reduce the user machine complexity and improve the positioning accuracy. In this paper,作者: FLAT 時(shí)間: 2025-3-27 06:19
Biological effects of radiation,e away from ground tracking network. These satellites are important to improve the geometric dilution of precision (GDOP) for positioning and time service in sevice area. Comparing with geostationary satellite (GEO) of other subsatellite point, ground tracking geometry condition of GEO of partial su作者: Implicit 時(shí)間: 2025-3-27 10:28 作者: 雪白 時(shí)間: 2025-3-27 14:47
Radioactivity and Radioisotopes,orbit during the GEO satellite orbital maneuver phase. However, kinetic method brings larger orbital error so that the positioning accuracy will drop. This paper presents a method based on the orbital error correction of the wide area differential positioning algorithm. Based on analysis of the GEO 作者: indenture 時(shí)間: 2025-3-27 18:17 作者: BURSA 時(shí)間: 2025-3-28 00:20
Jiadong Sun,Wenhai Jiao,Chuang ShiCollections of CSNC2013 papers.Achievements and progress of China BeiDou system.Latest studies of Global Navigation Satellite System in China.Hot topics in Global Navigation Satellite System.Includes 作者: 滑稽 時(shí)間: 2025-3-28 03:33 作者: orthodox 時(shí)間: 2025-3-28 08:45 作者: 拱形大橋 時(shí)間: 2025-3-28 14:28 作者: 神經(jīng) 時(shí)間: 2025-3-28 18:21
China Satellite Navigation Conference (CSNC) 2013 Proceedings978-3-642-37407-4Series ISSN 1876-1100 Series E-ISSN 1876-1119 作者: Eviction 時(shí)間: 2025-3-28 21:39
1876-1100 a.Hot topics in Global Navigation Satellite System.Includes .China Satellite Navigation Conference (CSNC) 2013 Proceedings. presents selected research papers from CSNC2013, held on 15-17 May in Wuhan, China. The theme of CSNC2013 is: BeiDou Application: Opportunities and Challenges. These papers dis作者: 講個(gè)故事逗他 時(shí)間: 2025-3-29 02:41
Mechanisms of Tracer Localizationaper, the continuous constant thrust maneuver model is established. And based on the measurement from C transponder, the COMPASS-GEO orbit determination is analyzed with maneuver arc. It realized the continuous orbit determination and prediction crossing the orbit maneuver.作者: nonplus 時(shí)間: 2025-3-29 04:00
Radioactivity and Radioisotopes, This paper presents a method based on the orbital error correction of the wide area differential positioning algorithm. Based on analysis of the GEO satellite orbit maneuver characteristics and other factors that affect positioning accuracy, an improved algorithm is designed, which can enhance the positioning accuracy during orbit maneuver.作者: Talkative 時(shí)間: 2025-3-29 07:29
Application of Thrust Force Model in GEO’s Orbit Determination in Case of Maneuversaper, the continuous constant thrust maneuver model is established. And based on the measurement from C transponder, the COMPASS-GEO orbit determination is analyzed with maneuver arc. It realized the continuous orbit determination and prediction crossing the orbit maneuver.作者: 中世紀(jì) 時(shí)間: 2025-3-29 12:28
A Method Based on the Orbital Error Correction of the Wide Area Differential Positioning Algorithm This paper presents a method based on the orbital error correction of the wide area differential positioning algorithm. Based on analysis of the GEO satellite orbit maneuver characteristics and other factors that affect positioning accuracy, an improved algorithm is designed, which can enhance the positioning accuracy during orbit maneuver.作者: 赦免 時(shí)間: 2025-3-29 16:47
https://doi.org/10.1007/978-94-011-7094-9ed with the actual Beidou satellites’ on-orbit data. The results showed that the two models which are raised in this paper can improve the accuracy of the Beidou IGSO/MEO orbit determination and prediction.作者: panorama 時(shí)間: 2025-3-29 22:28 作者: 喃喃訴苦 時(shí)間: 2025-3-30 00:11 作者: Infant 時(shí)間: 2025-3-30 07:41 作者: deciduous 時(shí)間: 2025-3-30 11:37
Research on Receiver Clock Jump Detection and Processing in Precise Point Positioning. combinations to detect the clock jump in PPP; in the processing, clock jump is estimated with the coordinate parameters together. The experimental results show that this method can detect and estimate receiver clock jump, avoid unnecessary re-initialization and help to improve the positioning accuracy, effectively.作者: 昏睡中 時(shí)間: 2025-3-30 15:18
Conference proceedings 2013e theme of CSNC2013 is: BeiDou Application: Opportunities and Challenges. These papers discuss the technologies and applications of the Global Navigation Satellite System (GNSS), and the latest progress made in the China BeiDou system especially. They are divided into 9 topics to match the correspon作者: synchronous 時(shí)間: 2025-3-30 19:10
Conference proceedings 2013 in GNSS techniques and applications..SUN Jiadong. is the Chief Designer of the Compass/BeiDou system, and the Academician of Chinese Academy of Sciences (CAS); .JIAO Wenhai. is a researcher at China Satellite Navigation Office; .WU Haitao. is a professor at Navigation Headquarters, CAS; .SHI Chuang. is a professor at Wuhan University..作者: 分期付款 時(shí)間: 2025-3-31 00:26
Developments in Nuclear Medicineiations of non-gravitational 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.作者: Longitude 時(shí)間: 2025-3-31 04:52 作者: LAY 時(shí)間: 2025-3-31 05:43 作者: SNEER 時(shí)間: 2025-3-31 09:29
Precise Orbit Determination for COMPASS IGSO Satellites During Yaw Maneuversiations of non-gravitational 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.作者: 暫停,間歇 時(shí)間: 2025-3-31 15:16 作者: panorama 時(shí)間: 2025-3-31 17:59
