作者: Notify 時(shí)間: 2025-3-21 20:44
Analysis of Polar Ionospheric Scintillation Characteristics Based on GPS Dataitoring has been drawn more attention. Based on ionospheric scintillation monitoring data at South Pole station in Antarctica, we are able to investigate ionospheric scintillation characteristics over there. Through analyzing scintillation data of 354?days at this site in the year of 2011 we can est作者: 夾死提手勢 時(shí)間: 2025-3-22 02:19 作者: pacifist 時(shí)間: 2025-3-22 07:06
Implementation of GNSS Attitude Determination Receiverwhich are driven by the same one crystal oscillator, so it has a better correlation between different signal paths. Receiver baseband signal processing is divided into Master RF signal path and Slaver RF signal path. The Master RF signal path completes acquisition and tracking task and the Slaver RF作者: lethargy 時(shí)間: 2025-3-22 09:43
Application of Geo-image to Vehicle Navigationnted background data. It provides users with intuitive, rich navigation background information, thereby enhancing the navigation visual effect. The paper shows the concept and characteristics of geo-image navigation. To improve the response speed, the organization of geo-image data in server–side of作者: 不透明 時(shí)間: 2025-3-22 16:21
A Correlate-Based GPS Multipath Time Delay Estimation Algorithmrove the positioning accuracy of navigation system. However, due to the reference station and the user’s geographical location is different; Differential GPS (DGPS) system still does not eliminate multipath effects of the satellite signal. The conventional narrow correlator method can reduce positio作者: 不透明 時(shí)間: 2025-3-22 17:59
Based on BeiDou (COMPASS) Build the Environmental Protection Services System of Hainan Marine Fisher marine fisheries production safety, making direct services to all types of marine fishery production safety environment thematic services and products, through the BeiDou system sends real-time to the majority of maritime operations fishing boats and fishermen in the hands, enhancing the overall se作者: Infect 時(shí)間: 2025-3-22 22:35 作者: 詩集 時(shí)間: 2025-3-23 03:16
Simulations and Analysis of BeiDou Navigation Satellite System (BDS)-Relectometry Delay-Doppler Mapsnse the geophysical parameters of the ocean and land surface. Some initial results were obtained from GPS-R in ocean surface characteristics and soil moisture, while, vegetation sensing is paid attention recently. With the development of Chinese independent Beidou Satellite Navigation System (BDS), 作者: 調(diào)情 時(shí)間: 2025-3-23 05:42 作者: 露天歷史劇 時(shí)間: 2025-3-23 11:46
Earth Rotation Parameter Estimation from GNSS and Its Impact on Aircraft Orbit Determinationerence Frame (ITRF). Furthermore, high precision orbit determination and positioning need the precise ERPs, while ERPs are closely related the geophysical fliud mass redistribution and geodynamics. In this paper, global uniformly distributed 75 IGS stations with more than 60 sites tracking GPS+GLONA作者: 官僚統(tǒng)治 時(shí)間: 2025-3-23 14:35 作者: 帽子 時(shí)間: 2025-3-23 18:57
Test and Analysis of Interference Effects on Dual Frequency GNSS Receivertioning results. However, dual-frequency GNSS receivers also face with radio frequency interference (RFI) in actual application, especially in complicated electromagnetic environment. In this paper, the analysis of carrier to noise ratio (C/N.) and standard deviation of positioning in interference w作者: STYX 時(shí)間: 2025-3-24 01:54
Study on the Personal Information Anonymization Method for the Releasing of Navigation Data. Individual personal information privacy index is defined and calculated based on the Markov chain model. The simulation of special state model shows that the proposed algorithm can be used to evaluate the ambiguity of different individuals from the navigation data. The simulation is based on Marko作者: 發(fā)芽 時(shí)間: 2025-3-24 02:29
A BDS Observation Preprocessing Method Considering the Influence of Frequent Clock Jumpss is undermined. After analyzing the impact mechanism of clock jump on cycle slip detection, a clock jump detection and repairing method is proposed. Validated by real BDS data, this method can effectively recover the consistency of pseudorange and phase observation and therefore avoid frequent amb作者: NIP 時(shí)間: 2025-3-24 10:29
Analysis of Precipitable Water Vapor (PWV) Data Derived from Multiple Techniques: GPS, WVR, Radiosons vital for improving the predictability of regional precipitation, weather and visibility, especially for highly moist metropolis like Hong Kong. In this paper, we analyze precipitable water vapor (PWV) data in Hong Kong derived from four techniques, i.e. radiosonde, water vapor radiometer (WVR), G作者: champaign 時(shí)間: 2025-3-24 12:37 作者: accrete 時(shí)間: 2025-3-24 16:58 作者: 口味 時(shí)間: 2025-3-24 19:33 作者: 壓倒性勝利 時(shí)間: 2025-3-25 00:03
Yves Sibille,William W. Merrillitoring has been drawn more attention. Based on ionospheric scintillation monitoring data at South Pole station in Antarctica, we are able to investigate ionospheric scintillation characteristics over there. Through analyzing scintillation data of 354?days at this site in the year of 2011 we can est作者: fluoroscopy 時(shí)間: 2025-3-25 06:36
Radiologic Diagnosis of Gastric Cancere. To ensure the safety and effectiveness of electric propulsion technology applications, the assessment of its performance is needed. The GNSS technology is now used for orbit determination, time service and so on, and it can be used for onboard thrust estimation. The paper gives the thrust model f作者: 不要嚴(yán)酷 時(shí)間: 2025-3-25 07:49 作者: 脫水 時(shí)間: 2025-3-25 14:33
https://doi.org/10.1007/3-540-29421-Xnted background data. It provides users with intuitive, rich navigation background information, thereby enhancing the navigation visual effect. The paper shows the concept and characteristics of geo-image navigation. To improve the response speed, the organization of geo-image data in server–side of作者: 非秘密 時(shí)間: 2025-3-25 18:15 作者: Allege 時(shí)間: 2025-3-25 23:22 作者: deadlock 時(shí)間: 2025-3-26 02:35 作者: 東西 時(shí)間: 2025-3-26 07:24 作者: Fantasy 時(shí)間: 2025-3-26 11:28 作者: IDEAS 時(shí)間: 2025-3-26 16:03
Costantino Zaino,Thomas C. Beneventanoerence Frame (ITRF). Furthermore, high precision orbit determination and positioning need the precise ERPs, while ERPs are closely related the geophysical fliud mass redistribution and geodynamics. In this paper, global uniformly distributed 75 IGS stations with more than 60 sites tracking GPS+GLONA作者: Meander 時(shí)間: 2025-3-26 17:05
Costantino Zaino,Thomas C. Beneventanojor Global Navigation Satellite System (GNSS) in the world. Now, BDS has a constellation of fourteen navigation satellites and the regional satellite navigation system of BDS has been constructed. The system can provide high quality services in China and its surrounding areas, and is extending into 作者: 暫時(shí)別動(dòng) 時(shí)間: 2025-3-26 21:09
https://doi.org/10.1007/978-94-009-9683-0tioning results. However, dual-frequency GNSS receivers also face with radio frequency interference (RFI) in actual application, especially in complicated electromagnetic environment. In this paper, the analysis of carrier to noise ratio (C/N.) and standard deviation of positioning in interference w作者: 媒介 時(shí)間: 2025-3-27 03:04 作者: synchronous 時(shí)間: 2025-3-27 06:26
https://doi.org/10.1007/978-1-4471-1418-5ss is undermined. After analyzing the impact mechanism of clock jump on cycle slip detection, a clock jump detection and repairing method is proposed. Validated by real BDS data, this method can effectively recover the consistency of pseudorange and phase observation and therefore avoid frequent amb作者: progestin 時(shí)間: 2025-3-27 11:00
Nicholas C. Gourtsoyiannis,Dimitris Bayss vital for improving the predictability of regional precipitation, weather and visibility, especially for highly moist metropolis like Hong Kong. In this paper, we analyze precipitable water vapor (PWV) data in Hong Kong derived from four techniques, i.e. radiosonde, water vapor radiometer (WVR), G作者: CLEFT 時(shí)間: 2025-3-27 13:45
Test 10: Normal Anatomical Variants,eceiver can only accept the navigation signal which comes from the other end of the earth when running above the navigation constellation, which results the decline of GPS navigation visibility and signal power, and the navigation signal power from high orbit navigation receiver will reduce 10?dB at作者: jumble 時(shí)間: 2025-3-27 19:21
Radiological Anatomy for FRCR Part 1of geophysical parameters retrieval in Typhoon and identified as a promising complementary technique with respect to the satellite instruments. However, the relationship between GNSS-R observables and the sea surface wind speed in Typhoon could not be fully described through theoretical models for t作者: Externalize 時(shí)間: 2025-3-27 23:23
Jiadong Sun,Wenhai Jiao,Mingquan LuCollections of CSNC2014 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: Complement 時(shí)間: 2025-3-28 04:22 作者: ALIEN 時(shí)間: 2025-3-28 06:49
https://doi.org/10.1007/978-3-642-54737-9BeiDou System (BDS); CSNC2014; GNSS; Satellite Navigation作者: BYRE 時(shí)間: 2025-3-28 13:36 作者: defibrillator 時(shí)間: 2025-3-28 17:54 作者: 食道 時(shí)間: 2025-3-28 20:29
1876-1100 Global Navigation Satellite System.Includes supplementary ma.China Satellite Navigation Conference (CSNC) 2014 Proceedings .presents selected research papers from CSNC2014, held on 21-23 May in Nanjing, China. The theme of CSNC2014 is ‘BDS Application: Innovation, Integration and Sharing‘. These pap作者: Spinal-Tap 時(shí)間: 2025-3-29 02:24
https://doi.org/10.1007/978-1-4471-1418-5 Validated by real BDS data, this method can effectively recover the consistency of pseudorange and phase observation and therefore avoid frequent ambiguity re-initialization, which leads to better and more stable precise point positioning solution with BDS observation.作者: 火花 時(shí)間: 2025-3-29 06:20 作者: Maximizer 時(shí)間: 2025-3-29 07:34
Application of Geo-image to Vehicle Navigation the dynamic application which relying on network is be studied. In order to improve the display efficiency, the data acquisition and display of the client are researched. The study can be ensuring real-time demand of navigation.作者: 音的強(qiáng)弱 時(shí)間: 2025-3-29 14:47 作者: MORPH 時(shí)間: 2025-3-29 19:24 作者: facilitate 時(shí)間: 2025-3-29 23:40 作者: adumbrate 時(shí)間: 2025-3-30 01:06 作者: 證實(shí) 時(shí)間: 2025-3-30 06:28 作者: 小口啜飲 時(shí)間: 2025-3-30 11:32
Radiologic Evaluation: General Remarks,v chain model, while the proposed personal information privacy metric algorithm does not depend on the motion model, one can apply it to other more accurate individual motion models and provide a quantitative basis for the personal information anonymization for the releasing of navigation data.作者: shrill 時(shí)間: 2025-3-30 12:34
Radionuclide Studies of the Lungrecision has not improved obviously by the signals fusion of GPS/GLONASS/BeiDou, and the tropospheric wet refractivity field can be obtained with high precision based purely on the BeiDou system when GPS/GLONASS become unavailable due to certain factors.作者: 受人支配 時(shí)間: 2025-3-30 20:14
Radiologic Diagnosis of Gastric Cancer time orbit and precision orbit is also give to prove the validity of the method in paper. The paper puts forward a suggestion that the real time orbit determination technology can be used for onboard engine thrust rapid assessment.作者: BRINK 時(shí)間: 2025-3-30 22:59 作者: 警告 時(shí)間: 2025-3-31 03:26
Preliminary Results of Tropospheric Wet Refractivity Tomography Based on GPS/GLONASS/BDS Satellite Nrecision has not improved obviously by the signals fusion of GPS/GLONASS/BeiDou, and the tropospheric wet refractivity field can be obtained with high precision based purely on the BeiDou system when GPS/GLONASS become unavailable due to certain factors.作者: HARP 時(shí)間: 2025-3-31 05:23
Study on Onboard Engine Thrust Estimation Based on GNSS Precision Orbit Determination Technology time orbit and precision orbit is also give to prove the validity of the method in paper. The paper puts forward a suggestion that the real time orbit determination technology can be used for onboard engine thrust rapid assessment.作者: Somber 時(shí)間: 2025-3-31 12:43 作者: 反話 時(shí)間: 2025-3-31 15:28
Conference proceedings 2014S); .JIAO Wenhai. is a researcher at China Satellite Navigation Office; .WU Haitao .is a professor at Navigation Headquarters, CAS; .LU Mingquan .is a professor at Department of Electronic Engineering of Tsinghua University..作者: Fester 時(shí)間: 2025-3-31 19:01 作者: AGATE 時(shí)間: 2025-4-1 01:37
Implementation of GNSS Attitude Determination Receivery search. Therefore attitude determination receiver has a higher processing performance. Meanwhile the receiver’s measurement extraction accuracy is independent from the Master RF signal path, so it can be measured at the time that the Master RF signal path entering the tracking state and the receiv作者: Creatinine-Test 時(shí)間: 2025-4-1 03:53
A Correlate-Based GPS Multipath Time Delay Estimation Algorithmkes the correlation output of received signal correlates and the local C/A code as the model, estimates the direct signal and the multipath signal delay accurately in the condition of signal delay is unknown. As can be seen from the simulation results, the multipath interference suppression algorith作者: 一個(gè)姐姐 時(shí)間: 2025-4-1 08:42 作者: 終止 時(shí)間: 2025-4-1 12:39
Simulations and Analysis of BeiDou Navigation Satellite System (BDS)-Relectometry Delay-Doppler Mapsn DDM simulations from BDS-R, while the vegetation scattering properties are simulated using the modified Bi-mimics model, which can be used to calculate any transmit and receive polarization combinations, assuming that the received power is coming from the first Fresnel zone. The theoretical simula作者: commonsense 時(shí)間: 2025-4-1 16:32 作者: cocoon 時(shí)間: 2025-4-1 18:43
Earth Rotation Parameter Estimation from GNSS and Its Impact on Aircraft Orbit Determinationan achieve at 0.0283 and 0.0289?ms when compared to IERS C04 solutions, respectively. The precision of PM and LOD from regional stations with daily GPS (GLONASS) observations are better than 0.178?mas (0.365?mas) and 0.0291?ms (0.0360?ms), respectively. The precision of PM and LOD from combined GPS+
