作者: 擴音器 時間: 2025-3-21 23:35
Application Fields of Computer Angiography and y direction is about 3, and 4?mm in direction z. The accuracy of pole motion parameters and their rate are 0.02?mas and 0.05?mas/d respectively. The accuracy of ERP solution based on the SINEX file is higher than that of the weighted-combination method.作者: Narcissist 時間: 2025-3-22 01:37
Model Experiments for Angiocinedensitometrylarly expatiated on, and the state-of-art was presented. Then we focused on the SRPT application in Beidou Navigation and Positioning System. We demonstrated some existing problems for model building, physical material property perceiving and solution parameters. Finally, we gave the SRPT development prospect.作者: interpose 時間: 2025-3-22 05:17
E. R. Reinhardt,W. Greiner,W. H. Blossfluence on the satellite clock performance of the satellite troubles has been deep studied. According to the experiment results, there is no obvious change of the satellite clock performance with the satellite troubles, so the satellite troubles have no obvious influence on the satellite clock.作者: 勛章 時間: 2025-3-22 10:59 作者: 可行 時間: 2025-3-22 14:02 作者: 可行 時間: 2025-3-22 19:34
Research on the Combination of IGS Analysis-Center Solution for Station Coordinates and ERPs and y direction is about 3, and 4?mm in direction z. The accuracy of pole motion parameters and their rate are 0.02?mas and 0.05?mas/d respectively. The accuracy of ERP solution based on the SINEX file is higher than that of the weighted-combination method.作者: 密碼 時間: 2025-3-22 23:21
History, Present and Future of Solar Radiation Pressure Theorylarly expatiated on, and the state-of-art was presented. Then we focused on the SRPT application in Beidou Navigation and Positioning System. We demonstrated some existing problems for model building, physical material property perceiving and solution parameters. Finally, we gave the SRPT development prospect.作者: 召集 時間: 2025-3-23 05:06 作者: irradicable 時間: 2025-3-23 08:00
Analysis of Effect About Solar Radiation Pressure for Satellite Yaw Attitudemodes for the native and foreign navigation inclined orbit satellite. According to satellite characteristic, it analysis the effects about solar radiation pressure for different yaw attitude controls by differential area method, and gives the compensation model. It has the significances reference to improve the precise orbit determination.作者: 貪婪的人 時間: 2025-3-23 12:22
BeiDou/GPS Indirect Fusion Precision Orbit Determinationrlap is about 10?cm in radial direction for BeiDou IGSO. For MEO the accuracy is 15?cm in radial direction and for GEO is about 20?cm. The orbit RMS for GPS satellite is about 2?cm by comparing with IGS final products.作者: 破布 時間: 2025-3-23 15:47
Research on High Accuracy Prediction Model of Satellite Clock Biasllite. There is an urgent need to develop the SCB prediction program for each satellite, here we use a combined method of least squares and auto-regressive model (LS?+?AR) from the EOP forecasting, to predict and assess SCB with data from IGS. Results show that the combined LS?+?AR method can improve the SCB forecast accuracy effectively.作者: 半圓鑿 時間: 2025-3-23 21:13
Zero-Differenced Multi-GNSS Joint Precise Orbit Determination of BeiDou Satellites Based on AmbiguitEO is mostly better than 5?cm. After ambiguity fixing, the three dimensional precision of BDS is improved 21.8?% averagely, and the tangential precision is improved most obviously, especially for GEO.作者: 欄桿 時間: 2025-3-24 01:46
Normal Anatomy of the Female Pelvis, of continuous operation reference station (CORS) stations. With 3D grid searching method, the obtained earthquake focus is basically consistent with USGS published results. It shows that the proposed method is effective and reasonable for strong ground motion monitoring by using high-rate GNSS observations, especially for seismic activity.作者: Pelvic-Floor 時間: 2025-3-24 03:26 作者: STALL 時間: 2025-3-24 07:13 作者: nutrients 時間: 2025-3-24 14:42 作者: 使服水土 時間: 2025-3-24 16:15
Radiological Imaging of the Kidney of 1–10?mm existing between the BDS- and GPS-derived ZTD, the inferred BDS-PWV and GPS-PWV is biased about 0.1–2?mm. And the final mean bias and STD of BDS- and GPS-PWV difference of all 5 stations is 0.78 and 1.73?mm. It is concluded that the PWV inferred from BDS can reach similar precision comparing to the GPS-PWV in the China region.作者: 裂口 時間: 2025-3-24 20:40 作者: 飛鏢 時間: 2025-3-24 23:20 作者: cardiopulmonary 時間: 2025-3-25 05:36 作者: magenta 時間: 2025-3-25 08:59
A New Relative Positioning Method Based on Un-differenced BDS Observationeek BDS observation data shows, the coordinate accuracy can reach millimeter and centimeter-level precision in horizontal and vertical direction when using this method for relative positioning over thousands of kilometers.作者: painkillers 時間: 2025-3-25 14:23 作者: 潛移默化 時間: 2025-3-25 17:01 作者: 集聚成團 時間: 2025-3-25 22:24 作者: 門閂 時間: 2025-3-26 01:08 作者: 同謀 時間: 2025-3-26 06:20
Technique for Injection of Contrast Mediumrlap is about 10?cm in radial direction for BeiDou IGSO. For MEO the accuracy is 15?cm in radial direction and for GEO is about 20?cm. The orbit RMS for GPS satellite is about 2?cm by comparing with IGS final products.作者: CHYME 時間: 2025-3-26 08:43 作者: POLYP 時間: 2025-3-26 15:36 作者: ANIM 時間: 2025-3-26 17:09 作者: 盡忠 時間: 2025-3-26 21:07 作者: reaching 時間: 2025-3-27 02:43 作者: 案發(fā)地點 時間: 2025-3-27 05:47
Application Fields of Computer Angiographyequation’s reconstruction in the SINEX file in details. The combination model and computational steps are given. A weighted-combination method based on the polynomial fitting residuals is proposed for the pole motion parameters. Computations and comparisons are performed using the proposed methods. 作者: Deduct 時間: 2025-3-27 10:33
https://doi.org/10.1007/978-3-642-68957-4ite. Compared with the previous ones, the DGXX has seven measurement channels, and is able to provide synchronous dual frequency phase and code measurements. The orbits could be determinated based on the dual frequency phase and pseudo-range measurements directly, and the systematic errors could be 作者: 保守 時間: 2025-3-27 13:58
Model Experiments for Angiocinedensitometryn and artificial satellite orbit determination were reviewed. The main SRPT development process and status was introduced from three aspects, which were empirical model, analytical model and semi-empirical model. Several factors, i.e. Second-incident effect, Self-Occlusion effect and Poynting-Robert作者: 黑豹 時間: 2025-3-27 18:09 作者: Nomogram 時間: 2025-3-27 22:07 作者: ALLEY 時間: 2025-3-28 02:57
Nodal Involvement in Non-Hodgkin Lymphoma,de methods have the theoretic dynamic offset, approximate dynamic offset and dynamic-zero offset. For the navigation position system, different yaw attitude controls of inclined orbit satellite will affect the solar radiation pressure dynamic model of precise orbit determination. The paper will rese作者: 北極人 時間: 2025-3-28 09:16 作者: Range-Of-Motion 時間: 2025-3-28 10:46
Normal Anatomy of the Female Pelvis, reasonable solution and filtering method are needed, especially for the 50?Hz data. Based on the analysis of differential and combination method, effects of ionosphere and troposphere have obvious trend within a short time, but cannot be treated as linear trend completely. To monitor real time surf作者: LATHE 時間: 2025-3-28 16:00
Normal Anatomy of the Female Pelvis,ning accuracy, both services are challenged by orbit error reduction problem, especially during yaw-steering mode. Besides basic information, additional parameters, such as satellite pseudorange differential correction, could efficiently correct satellite orbit error and clock error. However, since 作者: 證明無罪 時間: 2025-3-28 20:30
V. Juhan,D. Samama,M. André,J. M. Bartolio benefit from multi-GNSS applications, including increase in usable SVs, signals and frequencies, increase in availability and coverage, more robust and reliable services, and so on, firstly we need to obtain the precise multi-GNSS orbit and clock in a unified space and time frame. Based on the kno作者: anticipate 時間: 2025-3-29 00:05
Clinical Problems in Injured Athletes,receiver clock error is commonly estimated on an epoch-by-epoch basis, along with the satellite’s position. However, due to the high correlation between the spacecraft orbit altitude and the receiver clock parameters, estimates of the radial component are degraded in the kinematic-based approach. Us作者: TRAWL 時間: 2025-3-29 03:37
Radiological Imaging of Sports Injuriespositioning. In cases of highly correlated ambiguities, since the searching space is too large, it takes a long time to fix the ambiguities. Therefore, it is very necessary to deccorelate the covariance matrix. In essence, the decorrelation process is the closest vector problem in Lattice Theory. On作者: 衣服 時間: 2025-3-29 07:40 作者: organic-matrix 時間: 2025-3-29 11:33
Rick R. van Rijn,Johan S. Lamérisobservation. Unlike the relative positioning which always uses conventional double-difference approach to eliminate the satellite and receiver side errors and the common errors on the propagation path, this method preprocesses data similar to Precise Point Positioning (PPP) and uses ionosphere-free 作者: 牙齒 時間: 2025-3-29 16:18 作者: conjunctivitis 時間: 2025-3-29 20:26 作者: 痛恨 時間: 2025-3-30 02:29
Radiological Imaging of the Kidneyion. This makes it possible to study the precipitable water vapor (PWV) inversion with only BeiDou observations using the precise point positioning (PPP) method. This paper selected 5 stations among the BETS (BeiDou Experiment Tracking Stations) network with GPS/BDS dual-mode dual-frequency data for作者: Synovial-Fluid 時間: 2025-3-30 04:04 作者: Banister 時間: 2025-3-30 11:40
https://doi.org/10.1007/978-3-642-54740-9BeiDou System (BDS); CSNC2014; GNSS; Satellite Navigation作者: Flavouring 時間: 2025-3-30 12:50
978-3-662-52562-3Springer-Verlag Berlin Heidelberg 2014作者: obtuse 時間: 2025-3-30 19:56
1876-1100 rofessor at Navigation Headquarters, CAS; .LU Mingquan .is a professor at Department of Electronic Engineering of Tsinghua University..978-3-662-52562-3978-3-642-54740-9Series ISSN 1876-1100 Series E-ISSN 1876-1119 作者: Nibble 時間: 2025-3-30 22:37 作者: BAIT 時間: 2025-3-31 02:28 作者: Aerate 時間: 2025-3-31 08:23
V. Juhan,D. Samama,M. André,J. M. Bartolive strategies and the observation data from a network of multi-GNSS capable receivers from the IGS Multi-GNSS EXperiment (MGEX) and a regional BDS station network operated by China, the experiments and simulation are carried out. The results are validated against products from other institutes and b作者: dysphagia 時間: 2025-3-31 11:47
Clinical Problems in Injured Athletes, non-deterministic random errors such as frequency white noise, flicker noise and random-walk noise are modelled. The test results of GRACE flight data indicate that the positioning accuracy could be improved significantly. In particular, the radial component error was reduced by over 60?%.作者: Glaci冰 時間: 2025-3-31 13:40 作者: hypertension 時間: 2025-3-31 19:57 作者: PRO 時間: 2025-4-1 00:00 作者: Obstruction 時間: 2025-4-1 05:46 作者: FLORA 時間: 2025-4-1 08:11
Multi-GNSS Processing Combining GPS, GLONASS, BDS and GALILEO Observationsve strategies and the observation data from a network of multi-GNSS capable receivers from the IGS Multi-GNSS EXperiment (MGEX) and a regional BDS station network operated by China, the experiments and simulation are carried out. The results are validated against products from other institutes and b
