作者: 剝削 時(shí)間: 2025-3-21 23:07 作者: hyperuricemia 時(shí)間: 2025-3-22 01:31
The Effect of GNSS Sites Distribution on TEC Derivationd hence monitor the ionosphere with GNSS. Using a thin layer assumption of the ionosphere and dual-frequency Global Positioning System (GPS) observations from 16 geomagnetically quiet days in four seasons of 2006, this paper adopts the spherical harmonic model to fit TEC and investigates the effects作者: 恩惠 時(shí)間: 2025-3-22 06:46 作者: 陪審團(tuán) 時(shí)間: 2025-3-22 12:04 作者: RUPT 時(shí)間: 2025-3-22 16:00
Research on BD Nanosecond One-Way Timing Methoderistic of BD. The altitude of GEO orbit is higher than that of MEO. Therefore, the ephemeris and ionosphere delay errors are more dependent in the paths from GEO satellites to two users involved in time comparison. Therefore, the results of common view time transfer based on GEO satellites are bett作者: RUPT 時(shí)間: 2025-3-22 19:24
Preliminary Research on Snow Depth Monitoring with GPS SNRenced by multipath effect has attracted attention of many scholars. Meanwhile, using GNSS-MR technology based on SNR information to study environmental changes around the station has become a new research subject. And that makes the GNSS active in the field of remote sensing. First, the relationship作者: 外貌 時(shí)間: 2025-3-22 21:40 作者: 攝取 時(shí)間: 2025-3-23 01:58
Performance Analysis of Real-Time BDS Clock Estimation with Different Orbit Accuracyhe estimation accuracy of BDS real-time clock and real-time positioning accuracy are analyzed. The results show that real-time BDS clock accuracy achieves 0.30?ns using the rapid orbit product and the corresponding 2-D and 3-D real-time positioning accuracy are 0.36 and 0.48?m, respectively. With 0.作者: Antigen 時(shí)間: 2025-3-23 08:14 作者: 蟄伏 時(shí)間: 2025-3-23 13:06
The Satellite Selection Algorithm of GNSS Based on Neural Networkng. Calculating all visible satellite not only makes the hardware design of the receiver harder, but also can’t guarantee to improve the accuracy of the positioning results, so it is significant to take a certain satellite selection algorithm to the visible satellites optimization. The traditional o作者: Fester 時(shí)間: 2025-3-23 16:34 作者: gentle 時(shí)間: 2025-3-23 21:14
A New Modified Method for Cycle-Slips Detection Based on Polynomial Fitting Method But, this method is influenced by the observation errors and sampling rates. In this contribution, the polynomial fitting method and the Newton interpolation method are combined to solve those influences. In this paper, we introduce the new method theory and its mathematical model. Finally a test i作者: vibrant 時(shí)間: 2025-3-23 23:23 作者: Chipmunk 時(shí)間: 2025-3-24 05:32
Comparative Analysis of Different Filtering Methods for the Tight Integration of GPS and Strong-Moting state and the baseline shift is much important and also difficult for the data solution. In this paper, the experienced CA/CV models and improved CA/CV models are analyzed, and some meaningful conclusions are got from the results comparison of different validations.作者: Hiatus 時(shí)間: 2025-3-24 08:45 作者: 怕失去錢 時(shí)間: 2025-3-24 12:45
Using the BDS-R Signal for Soil Moisture Estimatione sensing. Soil moisture (SM) estimation by using the BD GEO signals are more favorable than the GPS signals, since the fixed elevation angle, the fixed height of orbit, the fixed satellite coverage. In this study, the principle of SM measuring by BDS-R is described. First the signal-to-noise ratio 作者: 上坡 時(shí)間: 2025-3-24 17:32
The Potential to Estimate Soil Moisture Based on sn_rnx Data estimation is an emerging technology in microwave remote sensing since soil moisture is an important index in regional water cycle research. Based on the developed forward multipath model, this study first investigates the feasibility of soil moisture estimation based on GNSS interference signals; 作者: 容易做 時(shí)間: 2025-3-24 23:01
Comparative Analysis of Different Filtering Methods for the Tight Integration of GPS and Strong-Moting state and the baseline shift is much important and also difficult for the data solution. In this paper, the experienced CA/CV models and improved CA/CV models are analyzed, and some meaningful conclusions are got from the results comparison of different validations.作者: 小淡水魚 時(shí)間: 2025-3-25 00:54 作者: cognizant 時(shí)間: 2025-3-25 07:13
Physikalische Grundlagen der Radiologie,ectrum communication is fast acquisition of spread spectrum signal. For the lack of priori information, code phase and frequency offset are both random quantities, it usually takes a long time in signal acquisition, which would reduce the efficiency of the communication especially for the burst comm作者: Visual-Acuity 時(shí)間: 2025-3-25 08:40 作者: 命令變成大炮 時(shí)間: 2025-3-25 13:22 作者: Crepitus 時(shí)間: 2025-3-25 16:51 作者: 性上癮 時(shí)間: 2025-3-25 20:23 作者: 極深 時(shí)間: 2025-3-26 03:13 作者: 亞麻制品 時(shí)間: 2025-3-26 05:08
Das Quantitative in der Radiologieepoch is used for initializing, and the wide-lane ambiguity is searched and fixed to calculate the basic ambiguity during this process. Then, the baseline solution is calculated by the least squares method, and gross error is processed by using robust estimation. Moreover, the residual error is cons作者: Dissonance 時(shí)間: 2025-3-26 11:27 作者: 有毛就脫毛 時(shí)間: 2025-3-26 13:10
Pierre Bret,Christine Cuche,Gérard Schmutzearch of various abnormally detection methods, we could select the optimal method to process VTEC products, combined with earthquake cases of which the magnitude greater than Ms5.0 in global range from 2003 to the present. According to the principle of mathematical statistics, we found the relations作者: 提煉 時(shí)間: 2025-3-26 17:26
Pierre Bret,Christine Cuche,Gérard Schmutzng. Calculating all visible satellite not only makes the hardware design of the receiver harder, but also can’t guarantee to improve the accuracy of the positioning results, so it is significant to take a certain satellite selection algorithm to the visible satellites optimization. The traditional o作者: Benign 時(shí)間: 2025-3-27 00:20 作者: Gerontology 時(shí)間: 2025-3-27 02:15
https://doi.org/10.1007/978-3-642-71191-6 But, this method is influenced by the observation errors and sampling rates. In this contribution, the polynomial fitting method and the Newton interpolation method are combined to solve those influences. In this paper, we introduce the new method theory and its mathematical model. Finally a test i作者: 反叛者 時(shí)間: 2025-3-27 06:31
https://doi.org/10.1007/978-3-642-70018-7ural network (WNN) based on the first-order difference of adjacent epoch to predict the satellite clock bias. Experimental data with sampling interval of 15?min rapid and ultra-rapid satellite clock bias provided by Wuhan University is used to test the validation of the method. The results show that作者: Charade 時(shí)間: 2025-3-27 11:06 作者: 使增至最大 時(shí)間: 2025-3-27 13:48
,Angiographie (?fistulographie?),iculture, power line patrolling. However, most of high precision position and orientation systems (POS) are still heavy and expensive, so they are still unpractical to be equipped on UAV. In this study, we investigated the feasibility of providing precise navigation and positioning service for UAV w作者: Autobiography 時(shí)間: 2025-3-27 19:16 作者: 碳水化合物 時(shí)間: 2025-3-27 23:19 作者: 驕傲 時(shí)間: 2025-3-28 04:09
Jiadong Sun,Jingnan Liu,Feixue WangCollects selected CSNC2016 papers.Showcases achievements and progress of BDS.Presents the latest studies of Global Navigation Satellite System in China.Covers hot topics in Global Navigation Satellite作者: DIKE 時(shí)間: 2025-3-28 09:26
Lecture Notes in Electrical Engineeringhttp://image.papertrans.cn/c/image/225383.jpg作者: 粗俗人 時(shí)間: 2025-3-28 10:45 作者: Harass 時(shí)間: 2025-3-28 17:41 作者: modish 時(shí)間: 2025-3-28 21:42
China Satellite Navigation Conference (CSNC) 2016 Proceedings: Volume I978-981-10-0934-1Series ISSN 1876-1100 Series E-ISSN 1876-1119 作者: itinerary 時(shí)間: 2025-3-29 02:32
https://doi.org/10.1007/978-3-642-70018-7ng state and the baseline shift is much important and also difficult for the data solution. In this paper, the experienced CA/CV models and improved CA/CV models are analyzed, and some meaningful conclusions are got from the results comparison of different validations.作者: 痛苦一下 時(shí)間: 2025-3-29 05:41
1876-1100 orresponding sessions in CSNC2016, which broadly covered key topics inGNSS. Readers can learn about the BDS and keep abreast of the latest advancesin GNSS techniques and applications.?.978-981-10-9286-2978-981-10-0934-1Series ISSN 1876-1100 Series E-ISSN 1876-1119 作者: 裂縫 時(shí)間: 2025-3-29 07:21 作者: 獎(jiǎng)牌 時(shí)間: 2025-3-29 13:07
Pierre Bret,Christine Cuche,Gérard Schmutz also proved the conclusion that the magnitude has the positive correlation with the positive ionosphere anomalies, and under the condition of single factor analysis, we confirmed that the magnitude made a significant impact on the ionosphere anomalies before the earthquake happened.作者: allergen 時(shí)間: 2025-3-29 19:11 作者: STEER 時(shí)間: 2025-3-29 23:33
Histoire naturelle des abords vasculaires,crease when the soil moisture increases, and the phase will decrease when soil moisture decreases, and the method of using sn_rnx data can obtain the change trend of soil moisture and can be used as an alternative to solve the problem that the SNR data is unavailable in many GNSS data sets.作者: 撤退 時(shí)間: 2025-3-30 02:43 作者: 點(diǎn)燃 時(shí)間: 2025-3-30 05:07
Correlation Analysis Between Ionosphere Anomaly and Earthquake also proved the conclusion that the magnitude has the positive correlation with the positive ionosphere anomalies, and under the condition of single factor analysis, we confirmed that the magnitude made a significant impact on the ionosphere anomalies before the earthquake happened.作者: palliate 時(shí)間: 2025-3-30 11:51
The Satellite Selection Algorithm of GNSS Based on Neural Networkneralized Regression Neural Network (GRNN) to predict GDOP is proposed. The simulation results showed that the algorithm has improved in robustness, accuracy and real-time, and it has certain exploring value for the GNSS satellite selection algorithm with machine learning.作者: Commentary 時(shí)間: 2025-3-30 15:40
The Potential to Estimate Soil Moisture Based on sn_rnx Datacrease when the soil moisture increases, and the phase will decrease when soil moisture decreases, and the method of using sn_rnx data can obtain the change trend of soil moisture and can be used as an alternative to solve the problem that the SNR data is unavailable in many GNSS data sets.作者: 郊外 時(shí)間: 2025-3-30 16:36
The Short-Term Forecast of BeiDou Satellite Clock Bias Based on Wavelet Neural Network the forecast precision of 6?h for BeiDou satellite can reach 1–2?ns, and the 24?h can reach 2–4.6?ns using the proposed method. The test results also show that the accuracy and stability of the model prediction can be improved greatly using the proposed method compared to the traditional gray model and quadratic polynomial model.作者: Concrete 時(shí)間: 2025-3-30 20:52 作者: 殺蟲劑 時(shí)間: 2025-3-31 04:42
Kommentare zur Radiologie und Folgerungeneves 0.30?ns using the rapid orbit product and the corresponding 2-D and 3-D real-time positioning accuracy are 0.36 and 0.48?m, respectively. With 0.1 and 0.2?m orbit error influenced, the decreased accuracy of real-time clock estimation is 0.05 and 0.14?ns, and the decreased positioning accuracy is 0.057 and 0.154?m, respectively.作者: BORE 時(shí)間: 2025-3-31 07:10 作者: Osmosis 時(shí)間: 2025-3-31 11:10
Performance Analysis of Real-Time BDS Clock Estimation with Different Orbit Accuracyeves 0.30?ns using the rapid orbit product and the corresponding 2-D and 3-D real-time positioning accuracy are 0.36 and 0.48?m, respectively. With 0.1 and 0.2?m orbit error influenced, the decreased accuracy of real-time clock estimation is 0.05 and 0.14?ns, and the decreased positioning accuracy is 0.057 and 0.154?m, respectively.作者: 反省 時(shí)間: 2025-3-31 14:23 作者: IOTA 時(shí)間: 2025-3-31 19:46
Conference proceedings 2016 SmartPerception. These papers discuss the technologies and applications of theGlobal Navigation Satellite System (GNSS), and the latest progress made in theChina BeiDou System (BDS) especially. They are divided into 12 topics to matchthe corresponding sessions in CSNC2016, which broadly covered key作者: Lumbar-Spine 時(shí)間: 2025-3-31 22:08
Conference proceedings 2016 in theChina BeiDou System (BDS) especially. They are divided into 12 topics to matchthe corresponding sessions in CSNC2016, which broadly covered key topics inGNSS. Readers can learn about the BDS and keep abreast of the latest advancesin GNSS techniques and applications.?.作者: 豐滿有漂亮 時(shí)間: 2025-4-1 04:05 作者: aerobic 時(shí)間: 2025-4-1 09:29
