Welcome![Sign In][Sign Up]
Location:
Search - gps position error

Search list

[transportation applicationsPointPosition

Description: 能实现GPS伪距单点定位,包括文件的读写、误差改正、卫星位置、钟差的计算,以及最终伪距定位的实现。误差在10m以内-Can achieve single-point pseudorange GPS positioning, including reading and writing files, error correction, satellite position, clock bad calculation, and finally achieve pseudorange positioning. Error at less than 10m
Platform: | Size: 2213888 | Author: 戴小蕾 | Hits:

[matlabMatlab_GPS_Toolbox[1]

Description: GPS TOOLBOX包含以下内容: 1、GPS相关常量和转换因子; 2、角度变换; 3、坐标系转换:  点变换;  矩阵变换;  向量变换; 4、专用测绘程序; 5、专用统计函数; 6、GPS时间工具; 7、专用GPS数据处理函数; 8、航迹和相关工具; 9、卫星位置计算; 10、高度和方位角判定,以及卫星可见性; 11、DOP(dilution of precision)计算,卫星选取和相关函数; 12、专用信号处理和Kalman滤波函数; 13、伪距和误差判定及相关函数; 14、用户位置判定及相关函数; 15、RAIM/FDE可用性和完好性评估相关函数。 -GPS TOOLBOX contain the following elements: 1, GPS-related constants and conversion factor 2, the perspective transform 3, coordinate system conversion:  point transform  matrix transformation  vector transform 4, private surveying and mapping procedures 5, specialized statistical function 6, GPS time instrument 7, a dedicated GPS data processing function 8, track and related tools 9, satellite position calculation 10, height and azimuth determination, as well as satellite visibility 11, DOP (dilution of precision) calculation , satellite selected and related functions 12, special-purpose signal processing and Kalman filtering function 13, pseudo-range and error determination and related functions 14, to determine user location and related functions 15, RAIM/FDE availability and good assessment of correlation function.
Platform: | Size: 3180544 | Author: jnansxiang | Hits:

[Software EngineeringGNT08.1.2

Description: gps导航工具包,可用于分析GPS误差,伪距及导航融合算法-This report include the review of • Principle of Radio Navigation: navigation base on trilateration has been investigated and the over determined Eq. for navigation has been solved. • GPS Ephemeris Data: for GPS navigation, the position of GPS satellite is very important so the by receiving ephemeris data the position of the satellite is determined. • GPS Errors: Three different sources of errors in GPS navigation has been investigated (Ionosphere, Troposphere and Satellite clock). Ionospheric Error model is generated base on Parkinson [1] and the Tropospheric Error Model based on Hopfiel model [2]. • Simulation & GPS Toolbox: One of the targets of this work is generating Matlab GPS Toolbox and in one case study the performance of generated toolbox will be verified.
Platform: | Size: 1051648 | Author: guoq | Hits:

[OthermanulaGNT08.1.2

Description: gps位置速度及错误计算的说明文档。可以计算位置。-gps position, velocity and error calculation documentation. Location can be calculated.
Platform: | Size: 447488 | Author: ruanhx | Hits:

[GPS developSat

Description: 利用Matlab进行卫星伪距定位,根据测量方式的不同,GPS定位的方法也不同,假令在无误差的情况下进行定位,即可利用Matlab将定位问题转化为非线性方程组问题。-Matlab, satellite pseudo-range position, according to the different measurement methods, GPS positioning methods are different, Jialing no error in the case of positioning, you can use Matlab to locate problem into nonlinear equations.
Platform: | Size: 18432 | Author: o0cmzx0o | Hits:

[GPS developweixing

Description: 本程序能解求卫星位置,钟差,地面点位置,钟差,是gps定位算法重要程序-This procedure can SOLUTIONS satellite position, clock bias, the ground position, clock error, an important process when the gps location algorithm
Platform: | Size: 17536000 | Author: daifeng | Hits:

[matlabMatlab-GPS-Toolbox

Description: 非常完善的GPS toolbox,内含中文readme以及中文翻译的介绍。 GPS TOOLBOX包含以下内容: 1、GPS相关常量和转换因子; 2、角度变换; 3、坐标系转换: 点变换; 矩阵变换; 向量变换; 4、专用测绘程序; 5、专用统计函数; 6、GPS时间工具; 7、专用GPS数据处理函数; 8、航迹和相关工具; 9、卫星位置计算; 10、高度和方位角判定,以及卫星可见性; 11、DOP(dilution of precision)计算,卫星选取和相关函数; 12、专用信号处理和Kalman滤波函数; 13、伪距和误差判定及相关函数; 14、用户位置判定及相关函数; 15、RAIM/FDE可用性和完好性评估相关函数。-Very good GPS toolbox, contains readme and the Chinese translation of the Chinese introduction. GPS TOOLBOX contains the following: 1, GPS-related constants and conversion factors 2, the point of transformation 3, coordinate system conversion: Point transformation Matrix transformation Vector transformation 4, special mapping procedures 5, special statistical functions 6, GPS time tools 7, special GPS data processing function 8, track and related tools 9, the satellite position calculation 10, determine the height and azimuth, and satellite visibility 11, DOP (dilution of precision) calculations, the satellite selection and related functions 12, special signal processing and Kalman filtering function 13, pseudo-range and error determination and related functions 14, user location determination and related functions 15, RAIM/FDE availability and integrity assessment of related functions.
Platform: | Size: 3149824 | Author: 杨霖 | Hits:

[GPS developUnderwater-GPS-Positioning

Description: 提出了基于无线传感器网络的浮标网络水下GPS定位系统模型,分析了 该模型的结构、功能以及工作过程,并从几何角度探讨了水下目标的声学定位算 法。结合Range-Free算法与分布式算法的思想,设计了一种传感器节点自定位算 法,称为BSR(Beacons Signal Ring)定位算法,并对该算法的性能进行了评估与 比较。该算法在锚节点处的信标信号中引入能量等级的机制,无需相邻传感器节 点间信息交换,有效降低了算法复杂度与通信开销。性能分析结果显示,该算法 性能良好,在应用环境下相比于APIT算法与质心算法具有更低的位置估计误差。 论文还研究了基于双元检测传感器的协作式的目标跟踪策略,对相应的跟踪过程 进行了描述。提出了使用加权质心算法的目标位置估计模型,以及线性预测机制, 使跟踪过程具有较小的计算和通信代价。-In this thesis,we presents a buoy network of underwater GPS positioning system model based on the wireless sensor network.The structure,function and process in the model were analyzed.Underwater target acoustic localization algorithm were explored through geometry way.Combined with the idea of Range-Free algorithm and distributed algorithm,a sensor nodes self-localization algorithm were designed,which called BSR (Beacons Signal Ring)localization algorithm,the algorithm performance evaluation and comparison has also been presented.The algorithm use a small number of anchor nodes. Each anchor emits beacons at different power levels.This mechanism does not required information exchange between neighboring sensors,and reduced the complexity of the algorithm and communication overhead effectively.The results of performance analysis showed that BSR provides a lower position estimation error than APIT and Centroid under a wide range of conditions.The thesis introduced process of ta
Platform: | Size: 1416192 | Author: lq | Hits:

[matlabGPSreceiver-matlab--code

Description: matlab下完整的gps软件单通道接收机程序,从捕获跟踪到位置解算。运行需中频数据文件太大无法上传,在gps类网站上提供下载。postprocessing.m为主程序。 对部分评论的解释: 1. 运行主程序前用init.m进行变量参数设置,生成后面运行的结构体 2. 程序出错,是由于缺少数据文件。 3. 从网上下载的GPS中频数据文件,由于格式不同,程序是需要调试的。这里用的是.bin格式的。 剩下事的没有什么需要更改的了,好运。我是运行调试通过后发上来的 -matlab under a complete the gps software single-channel receiver program, from the acquisition and tracking to position solver. Run the required the IF data file is too large to upload, download gps on the class website. postprocessing.m main program. Explain some of the comments: 1. Structure variable parameter settings with init.m before running the main program to generate run later. Procedural error is due to the lack of data files. GPS IF data files downloaded from the Internet, because of the different formats, the program is needed to debug. Here is the format. Bin. Remaining there is no need to change a thing, good luck. I was running after debugging through made up
Platform: | Size: 78848 | Author: teng | Hits:

[Software EngineeringAnalysis-Ultra-Tightly-

Description: 很好的GPS/INS超紧组合导航的文章,关键词:GPS,INS,超紧组合导航,抗干扰-The performance of an Ultra-Tightly Coupled (UTC) Global Positioning System/Inertial Navigation System (GPS/INS) is evaluated using a system simulation of the GPS receiver and navigation processing. The UTC system being analyzed uses a bank of pre-filters to estimate code delay error and Doppler frequency error for each satellite. These outputs are sent to a central Kalman navigation filter. This central processor generates estimates of inertial navigation position, velocity, and attitude errors IMU biases and user clock errors, which are used to correct the navigation solution. In the UTC approach, outputs from the central navigation processor, after projection into satellite line-of-sight coordinates, are used to control the code and carrier replica signals for each satellite channel. In contrast, a conventional tightly coupled GPS/INS system uses separate tracking loops for each satellite channel, which operate autonomously. As a result, the UTC desig
Platform: | Size: 461824 | Author: lili | Hits:

[Shell apipoint-position

Description: matlab 实现GPS单点定位,并对卫星钟差、电离层误差、接收机误差、地球自转、相对论效应进行修正-matlab realize GPS single point positioning, and satellite clock error, ionospheric error, the receiver error, the Earth' s rotation, relativistic effect correction
Platform: | Size: 1341440 | Author: liuying | Hits:

[OS programcolloborative-gps-ins-nav(1)

Description: A large problem with navigation systems that use GPS is that, due to the possibility of satellite out ages, there are many occasions when the GPS re ceiver fails to deliver enough information to support an error free navigation. In this paper, techniques will be presented to increase position accuracy and navigation robustness in an urban environment by means of collaborative navigation.
Platform: | Size: 519168 | Author: hassan | Hits:

[GPS developGNT08.1.2

Description: GPS导航 无线电导航 位置偏差校正 MATLAB仿真-This program include Principle of Radio Navigation Calculation and GPS position error corrections.
Platform: | Size: 498688 | Author: 司马璀星 | Hits:

[OtherGPS-acquisition-track

Description: 主要用matlab产生C/A码,并且捕获到信号,输出捕获结果和相位起始位置,而且可以实现对信号的跟踪,输出跟踪偏差和偏差震荡曲线,是一个很好很完整的GPS软件仿真的参考程序.-Mainly used matlab generated C/A code and capture the signal, and outputs the results of the capture phase starting position, but also can realize the tracking signal, output tracking error and error shock curve, is a very good simulation of the complete GPS software reference program.
Platform: | Size: 14336 | Author: Alice | Hits:

[GPS developKalmanFilter_GPS_INS

Description: 该程序基于MATLAB平台编写,实现了GPS/INS基于位置松组合的卡拉曼滤波算法,分为两部分,GPS_INS.m为组合算法主文件,输入捷联惯导平台实测数据,设置各量测噪声参数,在调用卡尔曼滤波函数进行数据融合校正,最后实现绘图功能;kalman_GPS_INS.m 为卡拉曼滤波程序,输入量测误差以及各噪声参数可得位置和速度估计值。(The program is based on MATLAB platform, and realizes the Kalman filtering algorithm of GPS/INS based on position loosening combination. It is divided into two parts. GPS_INS.m is the main file of the combined algorithm, inputs the measured data of the strapdown inertial navigation platform, sets the measurement noise parameters, and carries out data fusion correction by calling the Kalman filter function, and finally realizes the drawing. Function; kalman_GPS_INS.m is Kalman filter program, input measurement error and noise parameters can be estimated position and velocity.)
Platform: | Size: 633856 | Author: 不知晓 | Hits:

CodeBus www.codebus.net