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Study of Existing Problems and Solution in Vehicle Monitoring System

Zhu Zhuangsheng,Wan Dejun,Wang Qing,Zhang Xiaoguo

Strategic Study of CAE 2003, Volume 5, Issue 9,   Pages 49-54

Abstract: providing some experience and ready reference for people who could design a utile and abroad popular GPS

Keywords: GPS     digital map     vehicle monitoring system     telecommunication system    

Research on structural health monitoring (SHM) system based on RTK GPS system

Wang Renpeng,Yao Lianbi,Meng Xiaolin

Strategic Study of CAE 2011, Volume 13, Issue 3,   Pages 63-70

Abstract: were obtained during field data acquisition by the real-time kinematic global positioning system (RTK GPScivil structures, and furtherly proved the possibility of building the prototype SHM that based on RTK GPS

Keywords: RTK GPS system     time series     state-space model     ARMA model     finite element model    

Precise orbit determination technology based on dual-frequency GPS solution for HY-2A satellite

Lin Mingsen,Wang Xiaohui,Peng Hailong,Zhao Qile,Li Min

Strategic Study of CAE 2014, Volume 16, Issue 6,   Pages 97-101

Abstract:

The GPS data acquired by the HY-2A satellite GPS receiver have been usedThe GPS carrier data were processed in a difference mode to remove clock errors.Simultaneous estimation of the HY-2 satellite orbit and GPS orbit was performed using the data in Marchresulting HY-2 satellite orbits have been compared with CNES orbits and reduced dynamic orbits for GPSThe radical component of the GPS orbit was found to agree with better than 3 cm.

Keywords: Precise orbit determination     GPS     DORIS     SLR    

The Largest Market for Civil Use of GPS ——Car Navigation System

Zhao Huiping

Strategic Study of CAE 2001, Volume 3, Issue 8,   Pages 64-69

Abstract: According to the principle of positioning a new car navigation system of triple accuracy which consists of GPSAt present, the most wide civilian application of the GPS is the car navigation system.

Keywords: GPS     car navigation     intelligent transportation system (ITS)    

A Survey of Sediment Fineness and Moisture Content in the Soyang Lake Floodplain Using GPS Data Article

Mutiara Syifa, Prima Riza Kadavi, Sung Jae Park, Chang-Wook Lee

Engineering 2021, Volume 7, Issue 2,   Pages 252-259 doi: 10.1016/j.eng.2020.12.011

Abstract: We used global positioning system (GPS) data and aerial photography to monitor sediment deposits in theData from three GPS units were compared to determine the accuracy of sampling location measurement.

Keywords: Soyang Lake     Grain fineness number     Moisture content     GPS data     Digital surface model    

Design of altimeter sea surface height calibration buoy based on GPS

Chen Chuntao,Yan Longhao,Zhang Xiaoxu,Zhang Qian,Zhai Wanlin,Zhu Jianhua

Strategic Study of CAE 2014, Volume 16, Issue 6,   Pages 109-112

Abstract:

GPS buoy is the important instrument for the calibration of altimeterThis paper introduces the composition and operating principle of GPS buoy, and describes in detail theAnd finally used the numerical simulation, the rock and undulation of GPS buoy were experimented in theThe result shows that designed GPS buoy can meet the challenge of altimeter sea surface height calibration

Keywords: Satellite altimeter     calibration     GPS buoy     numerical simulation    

Influencing factors research of GPS buoy measurement precision

Yan Longhao,Chen Chuntao,Zhai Wanlin,Zhu Jianhua,Zhang Qian,Zhang Xiaoxu

Strategic Study of CAE 2014, Volume 16, Issue 6,   Pages 102-108

Abstract: GPS buoys was mainstream devices in altimeter absolute calibration.Through simulation and experiment about the self-developed GPS buoy, this paperstudied the precisionof GPS bouy and factors affecting.The results show that the self-developed GPS GPS buoy elevation measurement

Keywords: GPS     buoy     precision     factors affecting     altimeter     calibration    

Studies on Precise Spacecraft Navigation and Positioning Using GPS

Xiang Kaiheng,Qu Guangji

Strategic Study of CAE 2004, Volume 6, Issue 1,   Pages 86-91

Abstract:

In this paper, GPS measurement technology, Encke method to solve satellite orbit perturbation andCPPIDOD) for low earth orbit spacecraft on-board autonomous precise navigation and positioning using GPSof dynamically resolving of integer ambiguities and amendment of cycle slips in the application of GPSThey can significantly improve the performance of GPS positioning, and their models, algorithms and software

Keywords: spacecraft     navigation     GPS     carrier phase     Kalman filtering    

Precise Orbit Determination for the FY-3C Satellite Using Onboard BDS and GPS Observations from 2013, Article

Xingxing Li , Keke Zhang, Xiangguang Meng, Wei Zhang, Qian Zhang, Xiaohong Zhang, Xin Li

Engineering 2020, Volume 6, Issue 8,   Pages 904-912 doi: 10.1016/j.eng.2019.09.001

Abstract: FengYun-3C (FY-3C) onboard BeiDou Navigation Satellite System (BDS) and Global Positioning System (GPSaveraged one-dimensional (1D) root mean square (RMS) of the overlapping orbit differences (OODs) for the GPS-onlyFor the BDS and GPS combined solution (also known as the GC combined solution), the averaged 1D RMS isMoreover, the GC POD (without GEO) was able to achieve slightly better accuracy than the GPS-only PODin 2017, indicating that the fusion of BDS and GPS observations can improve the accuracy of LEO POD.

Keywords: Fengyun-3C     LEO precise orbit determination     Onboard BDS and GPS     BDS code bias     BDS/GPS combined POD    

Towards adaptable and tunable cloud-based map-matching strategy for GPS trajectories Article

Aftab Ahmed CHANDIO,Nikos TZIRITAS,Fan ZHANG,Ling YIN,Cheng-Zhong XU

Frontiers of Information Technology & Electronic Engineering 2016, Volume 17, Issue 12,   Pages 1305-1319 doi: 10.1631/FITEE.1600027

Abstract: part of data within the transportation domain is produced in the form of Global Positioning System (GPSusually infrequent and noisy and achieving the quality of real-time transport applications based on GPSThe map-matching process, which is responsible for the accurate alignment of observed GPS positions ontoperformance of a map-matching strategy is based on the shortest path between two con-secutive observed GPSstrategy based on cloud to address the key challenge of SPQs in a map-matching process for real-time GPS

Keywords: Map-matching     GPS trajectories     Tuning-based     Cloud computing     Bulk synchronous parallel    

Precise orbit determination technology based on DORIS solution for HY-2A satellite

Jiang Xingwei, Wang Xiaohui,Peng Hailong,Zhong Min,Zhong Shiming

Strategic Study of CAE 2014, Volume 16, Issue 6,   Pages 83-89

Abstract:

The HY-2A satellite, launched on October 16, 2011 is the first dynamic environments satellite in China, carrying the DORIS tracking system which is one of main technology of precise orbit determination .The method and technological process of DORIS solution of HY-2A POD is introduced in detail, then the strategy of POD system is showed, finally the result of the MOE radial accuracy for DORIS solution of HY-2A satellite is given in this paper.

Keywords: precise orbit determination     GPS     DORIS     SLR    

The technology of precise orbit determination for HY-2A satellite

Jiang Xingwei,Wang Xiaohui,Peng Hailong,Lin Mingsen

Strategic Study of CAE 2013, Volume 15, Issue 7,   Pages 19-24

Abstract: The HY-2A satellite carries DORIS deceiver, Dual frequency GPS receiver and Laser Retroreflector Array

Keywords: precise orbit determination     GPS     DORIS     SLR    

APFD: an effective approach to taxi route recommendation with mobile trajectory big data Research Article

Wenyong ZHANG, Dawen XIA, Guoyan CHANG, Yang HU, Yujia HUO, Fujian FENG, Yantao LI, Huaqing LI

Frontiers of Information Technology & Electronic Engineering 2022, Volume 23, Issue 10,   Pages 1494-1510 doi: 10.1631/FITEE.2100530

Abstract:

With the rapid development of data-driven intelligent transportation systems, an efficient method for taxis has become a hot topic in smart cities. We present an effective taxi approach (called APFD) based on the (APF) method and method with mobile trajectory big data. Specifically, to improve the efficiency of , we propose a method that searches for a region including the optimal route through the origin and destination coordinates. Then, based on the APF method, we put forward an effective approach for removing redundant nodes. Finally, we employ the method to determine the optimal . In particular, the APFD approach is applied to a simulation map and the real-world road network on the Fourth Ring Road in Beijing. On the map, we randomly select 20 pairs of origin and destination coordinates and use APFD with the ant colony (AC) algorithm, greedy algorithm (A∗), APF, rapid-exploration random tree (RRT), non-dominated sorting genetic algorithm-II (NSGA-II), particle swarm optimization (PSO), and for the shortest . Compared with AC, A∗, APF, RRT, NSGA-II, and PSO, concerning shortest route planning, APFD improves route planning capability by 1.45%–39.56%, 4.64%–54.75%, 8.59%–37.25%, 5.06%–45.34%, 0.94%–20.40%, and 2.43%–38.31%, respectively. Compared with , the performance of APFD is improved by 1.03–27.75 times in terms of the execution efficiency. In addition, in the real-world road network, on the Fourth Ring Road in Beijing, the ability of APFD to recommend the shortest route is better than those of AC, A∗, APF, RRT, NSGA-II, and PSO, and the execution efficiency of APFD is higher than that of the method.

Keywords: Big data analytics     Region extraction     Artificial potential field     Dijkstra     Route recommendation     GPS    

Remote calibration system for frequency based on in-place benchmark

Xiaobin HONG, Guixiong LIU, Zhuokui WU, Xipeng DU,

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 3,   Pages 316-321 doi: 10.1007/s11465-010-0021-1

Abstract: discussed, including the time and frequency benchmark receiving module based on global positioning system (GPS

Keywords: remote calibration     in-place benchmark     frequency comparison     global position system (GPS)    

The Global Positioning System (GPS): Creating Satellite Beacons in Space, Engineers Transformed Daily

Peter Weiss

Engineering 2021, Volume 7, Issue 3,   Pages 290-303 doi: 10.1016/j.eng.2021.02.001

Keywords: EngineeringAchievements    

Title Author Date Type Operation

Study of Existing Problems and Solution in Vehicle Monitoring System

Zhu Zhuangsheng,Wan Dejun,Wang Qing,Zhang Xiaoguo

Journal Article

Research on structural health monitoring (SHM) system based on RTK GPS system

Wang Renpeng,Yao Lianbi,Meng Xiaolin

Journal Article

Precise orbit determination technology based on dual-frequency GPS solution for HY-2A satellite

Lin Mingsen,Wang Xiaohui,Peng Hailong,Zhao Qile,Li Min

Journal Article

The Largest Market for Civil Use of GPS ——Car Navigation System

Zhao Huiping

Journal Article

A Survey of Sediment Fineness and Moisture Content in the Soyang Lake Floodplain Using GPS Data

Mutiara Syifa, Prima Riza Kadavi, Sung Jae Park, Chang-Wook Lee

Journal Article

Design of altimeter sea surface height calibration buoy based on GPS

Chen Chuntao,Yan Longhao,Zhang Xiaoxu,Zhang Qian,Zhai Wanlin,Zhu Jianhua

Journal Article

Influencing factors research of GPS buoy measurement precision

Yan Longhao,Chen Chuntao,Zhai Wanlin,Zhu Jianhua,Zhang Qian,Zhang Xiaoxu

Journal Article

Studies on Precise Spacecraft Navigation and Positioning Using GPS

Xiang Kaiheng,Qu Guangji

Journal Article

Precise Orbit Determination for the FY-3C Satellite Using Onboard BDS and GPS Observations from 2013,

Xingxing Li , Keke Zhang, Xiangguang Meng, Wei Zhang, Qian Zhang, Xiaohong Zhang, Xin Li

Journal Article

Towards adaptable and tunable cloud-based map-matching strategy for GPS trajectories

Aftab Ahmed CHANDIO,Nikos TZIRITAS,Fan ZHANG,Ling YIN,Cheng-Zhong XU

Journal Article

Precise orbit determination technology based on DORIS solution for HY-2A satellite

Jiang Xingwei, Wang Xiaohui,Peng Hailong,Zhong Min,Zhong Shiming

Journal Article

The technology of precise orbit determination for HY-2A satellite

Jiang Xingwei,Wang Xiaohui,Peng Hailong,Lin Mingsen

Journal Article

APFD: an effective approach to taxi route recommendation with mobile trajectory big data

Wenyong ZHANG, Dawen XIA, Guoyan CHANG, Yang HU, Yujia HUO, Fujian FENG, Yantao LI, Huaqing LI

Journal Article

Remote calibration system for frequency based on in-place benchmark

Xiaobin HONG, Guixiong LIU, Zhuokui WU, Xipeng DU,

Journal Article

The Global Positioning System (GPS): Creating Satellite Beacons in Space, Engineers Transformed Daily

Peter Weiss

Journal Article