作者: 幼兒 時間: 2025-3-21 23:37
Interpretation of Soil Moisture Using CYGNSS and SMAP Satellite Data in Henan Provincegation satellite system (CYGNSS) and soil moisture active-passive detection (SMAP) satellite data was analyzed and researched. The results show that: Compared with interpreting soil moisture using only SMAP satellite data, the method used in this paper improves the time resolution of soil moisture i作者: 增減字母法 時間: 2025-3-22 01:34
Agricultural Cold Chain Logistics Monitoring Platform Based on Beidou-3 Satellite Internet of Thingsessage of Beidou-3 satellite navigation system have broad application prospects in scenarios that cannot be covered by conventional communication methods such as monitor, alarm, emergency rescue etc. The method of 4G mobile communication plus GPS positioning is widely used in the cold chain logistic作者: 媽媽不開心 時間: 2025-3-22 07:46 作者: 喃喃而言 時間: 2025-3-22 09:34 作者: 異端邪說下 時間: 2025-3-22 14:39
The Preliminary Realization and Evaluation of CTRF2020 Based on New BDS3 Technology3 satellite on June 23 of 2020 marked the completion of the global deployment of BDS. Therefore, it is urgent to study and establish the corresponding coordinate reference framework. We aim to preliminarily realize and evaluate the BDS3/COMPASS terrestrial reference framework (CTRF2020). CTRF2020 re作者: 異端邪說下 時間: 2025-3-22 17:36 作者: pancreas 時間: 2025-3-23 01:01 作者: facetious 時間: 2025-3-23 02:20
Research on Monitoring Strategy of Loess Landslide with GNSS Meteorologyroperty. Rainfall is the biggest influencing factor of loess landslide. Since rainfall is closely related to the PWV content, the Global Navigation Satellite System (GNSS) can not only obtain the three-dimensional deformation information of the location of the observation station, It can also be use作者: 全神貫注于 時間: 2025-3-23 05:44
Analysis of the Vertical Coordinate Time Series in China Taking into Account the HYDL Under the ITRFNOC coordinate time series under the ITRF2014 framework and the MERRA2 hydrological loading model provided by IMLS to analyze the influence of China‘s regional HYDL on the GNSS coordinate time series. The results show that in the vertical component, the HYDL has a particularly significant impact on 作者: 虛情假意 時間: 2025-3-23 13:28 作者: homocysteine 時間: 2025-3-23 17:06 作者: 商業(yè)上 時間: 2025-3-23 21:09 作者: 冷淡一切 時間: 2025-3-24 01:46
Spatiotemporal Filtering of GNSS Coordinate Time Series Based on Variational Bayesian Independent Coructive information and are combined with noise due to observation conditions and other factors. To reduce the influence of common mode errors, we used the variational Bayesian independent component analysis (vbICA) technique to filter the GNSS coordinate time series of 12 stations in the Sichuan an作者: 蚊子 時間: 2025-3-24 05:20
Study on Real-Time Monitoring of Landslide Deformation with RTKLIBtime three-dimensional deformation monitoring of geological disasters. In view of the open source RTKLIB software with GNSS data communication, data stream decoding, precision positioning and other functions, this paper takes RTKLIB for landslide real-time precision positioning as the research objec作者: 聚集 時間: 2025-3-24 08:42
Review of the LEO Orbit Determination Using GNSS and Application Prospect in TT&Ch of about 12 h of the satellite within about 10 min of the visible arc. At the same time, the international GNSS Monitoring and Assessment System (iGMAS) of China can provide Ultra-rapid orbit and clock offset products of the BDS, GPS, GLONASS and Galileo satellites, and high-precision Earth Orient作者: amplitude 時間: 2025-3-24 11:46 作者: fixed-joint 時間: 2025-3-24 17:39 作者: 細節(jié) 時間: 2025-3-24 20:16
Radioactive and Stable Isotope Geologyssance tasks. The traditional method depends on the inertial navigation or GNSS attitude instrument with multi antennas. In addition, for platforms with the electronic reconnaissance and DF (Direction Finding) equipment, their DF capability can be fully utilized. Through the phase difference measure作者: CARK 時間: 2025-3-25 02:30
Scientific and Industrial Applicationsgation satellite system (CYGNSS) and soil moisture active-passive detection (SMAP) satellite data was analyzed and researched. The results show that: Compared with interpreting soil moisture using only SMAP satellite data, the method used in this paper improves the time resolution of soil moisture i作者: NEG 時間: 2025-3-25 05:43
Radioactivity and Nuclear Reactionsessage of Beidou-3 satellite navigation system have broad application prospects in scenarios that cannot be covered by conventional communication methods such as monitor, alarm, emergency rescue etc. The method of 4G mobile communication plus GPS positioning is widely used in the cold chain logistic作者: 輕浮女 時間: 2025-3-25 07:41 作者: 倫理學(xué) 時間: 2025-3-25 12:26 作者: 果仁 時間: 2025-3-25 19:37 作者: 藥物 時間: 2025-3-25 20:19
RadioactivityRadionuclidesRadiationdesy, combined with the real-time PPP provided by BDS-3 and Digital Zenith photographing positioning model, this paper analyzes the principle and related work flow of the vertical deviation in detail, gives the relevant error correction model of the real-time PPP, and deduces the error calculation m作者: FANG 時間: 2025-3-26 00:39 作者: 從容 時間: 2025-3-26 07:15 作者: Irritate 時間: 2025-3-26 09:36
Radioactivity and Nuclear ReactionsNOC coordinate time series under the ITRF2014 framework and the MERRA2 hydrological loading model provided by IMLS to analyze the influence of China‘s regional HYDL on the GNSS coordinate time series. The results show that in the vertical component, the HYDL has a particularly significant impact on 作者: 熟練 時間: 2025-3-26 13:45
https://doi.org/10.1007/b138236ernational GPS Geodynamic Service Center (IGS) provides the final precise ephemeris (IGSF), rapid precise ephemeris (IGR) and ultrarapid precise ephemeris (IGU). These three different precise ephemerides are different in terms of accuracy and update frequency, and have different effects on the accur作者: Antagonist 時間: 2025-3-26 17:05 作者: 情愛 時間: 2025-3-26 23:35
Methods and Materials of Analysis,e navigation system to fail to achieve ideal working conditions, and seriously restricting the overall effectiveness of the UAV system. Therefore, accurate assessment of UAV navigation system performance is an important prerequisite for scientific decision-making on the use of UAVs in complex enviro作者: Hallmark 時間: 2025-3-27 03:24 作者: exacerbate 時間: 2025-3-27 07:45 作者: LUT 時間: 2025-3-27 12:24
Assessment and input to risk management,h of about 12 h of the satellite within about 10 min of the visible arc. At the same time, the international GNSS Monitoring and Assessment System (iGMAS) of China can provide Ultra-rapid orbit and clock offset products of the BDS, GPS, GLONASS and Galileo satellites, and high-precision Earth Orient作者: CONE 時間: 2025-3-27 14:26
How Can We Use Radioactivity Destructively?,logical load on a small scale. The Gravity Recovery and Climate Experiment (GRACE) time-varying gravity field data can accurately and effectively retrieve the changes of medium and long-scale terrestrial water storage variations. Sichuan Province is an important industrial and agricultural productio作者: squander 時間: 2025-3-27 20:36
How Can We Use Radioactivity Destructively?,igation System-Reflectometer (GNSS-R) technology uses Delay Doppler Map (DDM) in relation to surface type to detect sea ice, and existing studies have made good progress. Feature extraction of DDM data is an important basis to ensure the accuracy of sea ice remote sensing. In this paper, we introduc作者: Bone-Scan 時間: 2025-3-27 22:56 作者: Control-Group 時間: 2025-3-28 05:54 作者: Comedienne 時間: 2025-3-28 09:36 作者: 束以馬具 時間: 2025-3-28 12:37
978-981-19-2590-0Aerospace Information Research Institute 2022作者: 儀式 時間: 2025-3-28 17:00 作者: 壓迫 時間: 2025-3-28 20:49 作者: bizarre 時間: 2025-3-28 23:01
1876-1100 vigation Satellite SystemChina Satellite Navigation Conference (CSNC 2022) Proceedings presents selected research papers from CSNC 2022 held during 25th-27th May, 2022 in Beijing, China. These papers discuss the technologies and applications of the Global Navigation Satellite System (GNSS), and the 作者: 浪費物質(zhì) 時間: 2025-3-29 04:19
1876-1100 h broadly covered key topics in GNSS. Readers can learn about the BDS and keep abreast of the latest advances in GNSS techniques and applications.978-981-19-2590-0978-981-19-2588-7Series ISSN 1876-1100 Series E-ISSN 1876-1119 作者: 外形 時間: 2025-3-29 08:30
Scientific and Industrial Applications this paper varies from 0.0258 to 0.042, and the correlation coefficient varies from 0.5502 to 0.5886. It validates the validity and reliability of the proposed interpretation method comprehensive utilization of CYGNSS and SMAP satellite data for soil moisture.作者: Barrister 時間: 2025-3-29 12:33 作者: 濃縮 時間: 2025-3-29 17:26
Interpretation of Soil Moisture Using CYGNSS and SMAP Satellite Data in Henan Province this paper varies from 0.0258 to 0.042, and the correlation coefficient varies from 0.5502 to 0.5886. It validates the validity and reliability of the proposed interpretation method comprehensive utilization of CYGNSS and SMAP satellite data for soil moisture.作者: monogamy 時間: 2025-3-29 23:42 作者: ticlopidine 時間: 2025-3-30 02:59 作者: originality 時間: 2025-3-30 06:37 作者: expire 時間: 2025-3-30 09:24
Conference proceedings 2022ing, China. These papers discuss the technologies and applications of the Global Navigation Satellite System (GNSS), and the latest progress made in the China BeiDou System (BDS) especially. They are divided into 10 topics to match the corresponding sessions in CSNC2022 which broadly covered key top作者: Ledger 時間: 2025-3-30 12:48
Platform Attitude Measurement Technology by Single Antenna Navigation Receiver Fused with ElectronicFinally, the correctness and effectiveness of this method are verified by the analysis and processing on the actual signal from the electronic reconnaissance receiver. This method makes full use of the functionality of the existing hardware platform. It does not add new hardware modules, and only ne作者: 怪物 時間: 2025-3-30 18:32
Agricultural Cold Chain Logistics Monitoring Platform Based on Beidou-3 Satellite Internet of Thingsvide full-time, all-region and high-reliability environment monitor for the transportation of agricultural products and drugs, especially in the region, such as sea, air and mountain where there is no mobile internet, and in the areas where conventional communication means cannot cover or weakly cov作者: headlong 時間: 2025-3-30 20:49
Landslide Displacement Prediction Based on VMD-LSTM-GM Model Considering Rainfalldicted values. Taking the Bazimen landslide as an example, compared with VMD-BPNN-GM and LSTM models, the experimental results show that the established combined model has the highest prediction accuracy, and the prediction results conform to the change of landslide displacement, which has certain e作者: agonist 時間: 2025-3-31 01:50
Rapid Satellite Selection Algorithm Based on Clifford Algebramark model for low angle area to select satellites is constructed based on Clifford algebra; the coordinates of the visible satellites about local Cartesian coordinates coordinate system are calculated, and the multi vector set of visible satellites is constructed based on Clifford algebra theory; t作者: surmount 時間: 2025-3-31 08:53 作者: 種屬關(guān)系 時間: 2025-3-31 09:53 作者: faction 時間: 2025-3-31 13:59
GNSS High Precision Quasi Real-Time Landslide Monitoring Algorithm for the Universal Receivers by epoch, obtain the double difference float ambiguity parameters of each observation epoch, and optimize the ambiguity subset in the way of partial ambiguity resolution to improve the ambiguity fixed rate. Then, the position parameters in the monitoring period are estimated by the robust sequentia作者: 慢跑 時間: 2025-3-31 20:07
Research on Monitoring Strategy of Loess Landslide with GNSS Meteorologyperiod of time, rainfall events will occur. The results show that PWV has an obvious correspondence with actual rainfall, which proves the feasibility of ground-based GNSS inversion of moisture content. The three-dimensional surface deformation information obtained by the universal receiver is analy作者: 光滑 時間: 2025-3-31 23:04
