作者: 考古學(xué) 時(shí)間: 2025-3-21 23:35
Conference proceedings 2020e China BeiDou System (BDS) especially. They are divided into 13 topics to match the corresponding sessions in CSNC2020, which broadly covered key topics in GNSS. Readers can learn about the BDS and keep abreast of the latest advances in GNSS techniques and applications.作者: 樂(lè)章 時(shí)間: 2025-3-22 02:56
1876-1100 sponding sessions in CSNC2020, which broadly covered key topics in GNSS. Readers can learn about the BDS and keep abreast of the latest advances in GNSS techniques and applications.978-981-15-3709-7978-981-15-3707-3Series ISSN 1876-1100 Series E-ISSN 1876-1119 作者: 舊石器 時(shí)間: 2025-3-22 05:09 作者: placebo-effect 時(shí)間: 2025-3-22 11:45 作者: compassion 時(shí)間: 2025-3-22 14:29
Techniques of Diagnostic Imagingre obtained. However, the seismic-time GNSS displacement result after dynamic single-epoch solution contains a lot of noise. It has a great impact on the analysis and research of the displacement during the earthquake, in order to minimize the noise impact in the results and improve the accuracy of 作者: compassion 時(shí)間: 2025-3-22 20:20
Introduction of Influenza A (H1N1)ch field in recent years. In the past few years, ground-based experiments using the US Panel Observation Program (PBO) have confirmed that GPS receivers primarily used for measurements can be used to measure changes in surface physical parameters. In this paper, we study the improvement of the separ作者: instulate 時(shí)間: 2025-3-22 23:17
https://doi.org/10.1007/978-94-009-5010-8 retrieval. Nowadays, its application include soil moisture, snow depth, vegetation water content and sea level detection. This paper has extended its application to monitor soil freeze/thaw process. Mixed material dielectric constant model is employed to get the dielectric constant change as soil f作者: Melanocytes 時(shí)間: 2025-3-23 02:22
Diffuse Post-Sinusoidal Obstructions,on precipitable water vapor data, it is tough to monitor the rapid change of water vapor. This paper focuses on the hourly PWV data calculated by using the GNSS ZTD from CMONOC and meteorological parameters in ERA5 datasets from ECMWF and the application of PWV in ENSO event is also studied. This pa作者: 細(xì)微差別 時(shí)間: 2025-3-23 07:44
J.-N. Bruneton,E. Caramella,J.-J. Manzino limitations for high resolution large area monitoring. Soil moisture monitoring based on Global Navigation Satellite System Interferometry and Reflectometry (GNSS-IR), which also known as signal-to-noise ratio (SNR) method or interference pattern technique (IPT), can be used to overcome those short作者: 廢除 時(shí)間: 2025-3-23 10:41 作者: aphasia 時(shí)間: 2025-3-23 15:21
J.-N. Bruneton,J.-J. Manzino,E. Caramella passing from the top boundary are selected as effective rays to tomography system in the most studies. However, a number of side signals penetrating from the side of tomography area are eliminated, which reduces the utilization of GNSS rays and aggravates the morbidity of tomographic observation eq作者: BUOY 時(shí)間: 2025-3-23 18:51
Radiology of Non-Spinal Pain Proceduresly used as the backup equipment for high-speed Unmanned Aerial Vehicle (UAV) in high-frequency environmental dithering condition. However, both the large-amplitude acceleration during UAV high-speed taxiing and the high-frequency environmental dithering caused by the propeller are important reasons 作者: 集合 時(shí)間: 2025-3-23 23:03
https://doi.org/10.1007/978-3-642-00481-0f remote sensing. And the simulation of the GNSS-R research is very important. The simulation of GNSS-R signals mostly uses wind-driven wave spectrum, which ignoring other factors in the real ocean environment, such as the currents. Therefore, this paper proposes a method for modeling GNSS-R signal 作者: Indent 時(shí)間: 2025-3-24 03:13 作者: 剛開(kāi)始 時(shí)間: 2025-3-24 06:32
Radiology of Occupational Chest Diseaseom the sea surface, has demonstrated unique advantages for sea level monitoring. The signal-to-noise ratio (SNR) of a geodetic GNSS receiver can be used to estimate the distance between antenna and sea surface called reflecting height (RH), and subsequently to retrieve sea level. The classical SNR a作者: 動(dòng)機(jī) 時(shí)間: 2025-3-24 13:03
https://doi.org/10.1007/978-3-319-76009-4d human development. Recently years, with the continuous development of Global Navigation Satellite System, GNSS Multipath Reflectometry technology has become one of the emerging means of snow depth measurement because of its all-weather, low cost, high spatial-temporal resolution and other advantag作者: SPECT 時(shí)間: 2025-3-24 16:26 作者: 憤慨點(diǎn)吧 時(shí)間: 2025-3-24 20:27 作者: 種子 時(shí)間: 2025-3-25 02:50
Densitometry in Clinical Practice,etic surveying, but it is difficult to replace conventional leveling surveying due to height anomaly. The Fitting of Moving Quadric Surface (FMQS) is based on the known points in the circular region with the center of the point to be fitted and a specific radius. In this paper, the method of FMQS is作者: crease 時(shí)間: 2025-3-25 05:27
Dual-Energy X-Ray Absorptiometrysing a low-cost multi-constellation single-frequency GNSS receiver. Profound Instant PPP (IP3), for example, is a real-time fast convergence PPP technology that offers world-wide 50-cm circular error probability (CEP) PPP solution using a low-cost GNSS chipset. IP3 is able to output precise position作者: 收養(yǎng) 時(shí)間: 2025-3-25 09:47 作者: 未完成 時(shí)間: 2025-3-25 14:32
China Satellite Navigation Conference (CSNC) 2020 Proceedings: Volume I978-981-15-3707-3Series ISSN 1876-1100 Series E-ISSN 1876-1119 作者: 嚴(yán)厲譴責(zé) 時(shí)間: 2025-3-25 19:03
Jiadong Sun,Changfeng Yang,Jun XieCollects selected CSNC 2020 papers.Showcases achievements and progress of BDS.Presents the latest studies of Global Navigation Satellite System in China.Covers hot topics in Global Navigation Satellit作者: 跑過(guò) 時(shí)間: 2025-3-26 00:03 作者: 慌張 時(shí)間: 2025-3-26 02:37
https://doi.org/10.1007/978-981-15-3707-3Computer Science; Informatics; Conference Proceedings; Research; Applications; CSNC2020; Satellite Navigat作者: 悲觀 時(shí)間: 2025-3-26 06:24
978-981-15-3709-7The Editor(s) (if applicable) and The Author(s), under exclusive license to Springer Nature Singapor作者: 微枝末節(jié) 時(shí)間: 2025-3-26 10:43 作者: sclera 時(shí)間: 2025-3-26 15:08 作者: 極端的正確性 時(shí)間: 2025-3-26 18:44
Introduction of Influenza A (H1N1)n network. Comparative analysis of the feasibility and effectiveness of single- and multiple-GPS satellites for soil moisture rolling estimation. Theoretical analysis and experiments show that wavelet analysis can effectively improve the separation accuracy of satellite reflected signals. The LS-SVM作者: Armada 時(shí)間: 2025-3-27 00:05 作者: debouch 時(shí)間: 2025-3-27 02:31
Diffuse Post-Sinusoidal Obstructions, results show that: (1) The average RMS and bias of P/T are 3.33?hPa/1.20?K and 0.86?hPa/?0.15?K, respectively. (2) The average RMS and Bias of PWV difference from ERA5 and ERA-interim are 1.98 and 0.83?mm, respectively. (3) Based on the analysis of PWV daily variation during EI Ni?o Events in 2015–作者: 空氣 時(shí)間: 2025-3-27 05:20 作者: wreathe 時(shí)間: 2025-3-27 11:31
Classification of Malignant Lymphomas,n from 2015–2017 to establish the IGPT2w model and verify its accuracy. Firstly, MSSA and LS methods are used to analyze the characteristics of the ZTD residual and determine the periodic signals and establish a ZTD residual model considering annual, semiannual, and seasonal period, and then establi作者: Vasoconstrictor 時(shí)間: 2025-3-27 17:22
J.-N. Bruneton,J.-J. Manzino,E. Caramellare carried out using 31 days observation data from the Satellite Positioning Reference Station Network (SatRef) and Radiosonde in Hong Kong. The experimental results show that the average number of effective signals increased by 66.29% and the average utilization rate of GNSS signals is enhanced by 作者: Pander 時(shí)間: 2025-3-27 18:32 作者: Congruous 時(shí)間: 2025-3-28 01:22 作者: Prosaic 時(shí)間: 2025-3-28 05:56
Radiology of Occupational Chest Diseasete were collected during the experiment. Then, self-developed software-defined receiver was used to process the IF data. As the code modulation methods of in-phase (I component) and quadrature-phase (Q component) on GPS L5 carrier are different, we tested the accuracy of I and Q component for sea su作者: 共同給與 時(shí)間: 2025-3-28 09:21 作者: 荒唐 時(shí)間: 2025-3-28 12:58
https://doi.org/10.1007/978-3-319-76009-4Mean Square Error is about 0.1?m, which has a good consistency. On this basis, this article analyzes GNSS-MR snow depth measurement error from three aspects: azimuth, elevation angle and snow depth, and finds that there is a certain quantitative relationship between the negative error generated by G作者: incredulity 時(shí)間: 2025-3-28 18:08
Anthony Perera,Monier Hossain,Faiz Khanight of each inversion time relative to MLLW is obtained. Finally, the retrieved tide height is compared and analyzed with the tide height offered by the tide gauge station named FRIDAY HARBOR. The results show that the mean error of the two is about ?12?cm, the root mean square error is about 15?cm作者: Outwit 時(shí)間: 2025-3-28 19:08 作者: 輕推 時(shí)間: 2025-3-29 00:44
Densitometry in Clinical Practice,ence between the height of National Vertical Datum 1985 obtained by geodetic height fitting with Jiangsu CORS and the height of National Vertical Datum 1985 obtained by third order leveling is within 2?cm.作者: 溝通 時(shí)間: 2025-3-29 04:40
Dual-Energy X-Ray Absorptiometrychipsets. Compared to single-frequency PPP, a dual-frequency PPP system not only increases the redundancy of the positioning system but also helps mitigate the ionospheric effect, leading to more accurate and robust positioning solutions. This paper describes the development of a dual-frequency base作者: 擁護(hù)者 時(shí)間: 2025-3-29 08:32 作者: MONY 時(shí)間: 2025-3-29 12:30
China Satellite Navigation Conference (CSNC) 2020 Proceedings: Volume I作者: 葡萄糖 時(shí)間: 2025-3-29 16:14
High-Speed Railway Track Comprehensive Measurement System Based on GNSS/INS Multi-sensorn total station coupled with level, and the results show that the proposed system has realized the integration of track subgrade deformation monitoring and track geometry absolute measurement and relative measurement, which fully meets the requirements of the .-., and significantly improves the meas作者: 草率女 時(shí)間: 2025-3-29 19:45 作者: ATP861 時(shí)間: 2025-3-30 03:00
Inversion of Soil Moisture by GPS-IR Combined with Wavelet Analysis and LS-SVMn network. Comparative analysis of the feasibility and effectiveness of single- and multiple-GPS satellites for soil moisture rolling estimation. Theoretical analysis and experiments show that wavelet analysis can effectively improve the separation accuracy of satellite reflected signals. The LS-SVM作者: Ventricle 時(shí)間: 2025-3-30 06:11
Bare Soil Freeze/Thaw Process Detection Using GNSS-R/IR Techniques: A Case Study in Alaska, USAngles are analyzed. In-situ measurement data indicate that there is a good relationship between soil temperature and GPS multipath data and there is a bright potential for soil freeze/thaw process detection using GNSS-IR.作者: Wernickes-area 時(shí)間: 2025-3-30 09:20
High Temporal Resolution of PWV Acquisition Method and Its Preliminary Application in Yunnan results show that: (1) The average RMS and bias of P/T are 3.33?hPa/1.20?K and 0.86?hPa/?0.15?K, respectively. (2) The average RMS and Bias of PWV difference from ERA5 and ERA-interim are 1.98 and 0.83?mm, respectively. (3) Based on the analysis of PWV daily variation during EI Ni?o Events in 2015–作者: companion 時(shí)間: 2025-3-30 15:36
Soil Moisture Inversion Based on Beidou SNR and Carrier Phase Combinations soil moisture inversion based on geometry-free linear combinations of carrier phase on Beidou B1, B2. It also presents the soil moisture inversion model as well as the relevant signal processing flow. Moreover, an .-. experiment campaign is performed for verification. The results show that the soil作者: UTTER 時(shí)間: 2025-3-30 18:16
An Improved Method of ZTD Model in Yunnan Province Based on GPT2w Modeln from 2015–2017 to establish the IGPT2w model and verify its accuracy. Firstly, MSSA and LS methods are used to analyze the characteristics of the ZTD residual and determine the periodic signals and establish a ZTD residual model considering annual, semiannual, and seasonal period, and then establi作者: 痛苦一下 時(shí)間: 2025-3-30 22:50 作者: 不開(kāi)心 時(shí)間: 2025-3-31 01:42
Real-Time Attitude Estimation for High-Speed UAV in High-Frequency Environmental Dithering Based on celeration compensation is proposed to compensate the external disturbance acceleration and the dynamic tuning PI parameters of AMCF. Moreover, the attitude angle is updated by the quaternion updating algorithm to improve the real-time performance and reliability of the AMS. Finally, the UAV high-sp作者: Endemic 時(shí)間: 2025-3-31 08:31 作者: 嚴(yán)重傷害 時(shí)間: 2025-3-31 11:59
Coastal GNSS-R Code Delay Altimetry Using GPS L5 Signalste were collected during the experiment. Then, self-developed software-defined receiver was used to process the IF data. As the code modulation methods of in-phase (I component) and quadrature-phase (Q component) on GPS L5 carrier are different, we tested the accuracy of I and Q component for sea su作者: 粗魯?shù)娜?nbsp; 時(shí)間: 2025-3-31 14:51 作者: Subjugate 時(shí)間: 2025-3-31 17:43 作者: 固執(zhí)點(diǎn)好 時(shí)間: 2025-4-1 00:11
Tide Height Inversion and Accuracy Analysis Based on GNSS-MR Technologyight of each inversion time relative to MLLW is obtained. Finally, the retrieved tide height is compared and analyzed with the tide height offered by the tide gauge station named FRIDAY HARBOR. The results show that the mean error of the two is about ?12?cm, the root mean square error is about 15?cm作者: oncologist 時(shí)間: 2025-4-1 05:46 作者: 影響帶來(lái) 時(shí)間: 2025-4-1 09:34 作者: 骯臟 時(shí)間: 2025-4-1 13:57
Instant PPP with Low-Cost Multi-constellation Dual-Frequency GNSS Chipsetchipsets. Compared to single-frequency PPP, a dual-frequency PPP system not only increases the redundancy of the positioning system but also helps mitigate the ionospheric effect, leading to more accurate and robust positioning solutions. This paper describes the development of a dual-frequency base作者: 陰郁 時(shí)間: 2025-4-1 17:40 作者: 思想 時(shí)間: 2025-4-1 19:55 作者: mosque 時(shí)間: 2025-4-1 23:31
