▍1. gps1
simulink gps信号生成 信号包括CA码，D码，导航电文(simulink gps signal generating signals include CA code, D code, navigation message)
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▍2. GPSR_6.0
这是基于压缩感知的GPSR重构算法，内容详细，可以直接调用函数(This is based on compressed sensing the GPSR reconstruction algorithm, detailed, you can directly call the function)
▍3. 一种数字中频 GPS 信号生成方法 GPS generation
研究了一种数字中频 GPS 信号生成方法。给出了数字中频信号数学模型，模型考虑了各种因素对信号的影响。通过导航电文分析，提出信号传播时延、多普勒频移以及信号入射方向的估计方法。给出了中频信号产生的流程，对其中时延的设置，信号的上变频、信号幅度设置以及方向信息的导入进行了阐述。对所生成的信号模型进行了仿真分析，给出了信号产生各个阶段的频谱，对所生成的信号进行了相关捕获。仿真结果表明频谱特征符合理论分析，能够被捕获并找出信号时延从而实现定位。证明该信号模型能作为信号源应用于 GPS接收机研制中。(】The paper discusses a digital IF GPS signal generation method, gives the mathematic model of digital IF signal. This mathematic model takes into account the influence of various factors. Based on analysis of the navigation data, the method to estimate signal propagation time, Doppler frequency shift and the coming angle of signal is proposed. The flow to generate IF signal is given, in which the setting of time delay, the up-frequency conversion, the setting of signal magnitude and the introduction of direction information are expounded. The signal generation model is simulated and analyzed, the spectrum of signal in each stage given, and the correlation capture of the generated signal also done. Simulation indicates that the spectrum is in accord with theoretical analysis the signal could be captured, thus find the time delay, accomplish the orientation. The signal model is proved applicable in the research and development of GPS receiver.)
▍4. pointPposition
基于matlab的GPS单点定位程序，包含文件读取(Matlab-based GPS single point positioning procedures, including file read)
▍5. plotAcquisition
GPS接收机将捕获结果按比值形式的直方图输出，Matlab程序(GPS receiver will capture the results histogram output of the Matlab program)
▍7. gps_capture
该源码通过产生的捕获数据采用FFT及反变换的方法实现信号的捕获。(The source through captured data generated using the FFT and inverse transform method to capture signal.)
▍10. matlab_GPS_simulation
GPS基本原理及其matlab仿真，可实现伪距单点定位，数据处理与分析等(The basic principle of GPS and its matlab simulation, can realize the pseudorange point positioning, data processing and analysis.)
▍11. 122345456
给出了一种以惯导系统为主，GPS和磁航向传感器为辅的多传感器组合导航系统，并对该组合导航 系统进行了仿真研究(Given the multi-sensor integrated navigation system, an inertial navigation system-based, supplemented by GPS and magnetic heading sensor and the integrated navigation system simulation study)
▍12. matlab-gps-from-GPS
matlab版读取串口gps信息的图像化程序(A GUI program of matlab reads gps info from GPS by rs232 port。)
▍13. gps_kalman
GPS接收机中的卡尔曼滤波，经过测试！程序可以跑通！适合初学者！(Kalman filter in GPS receiver tested! The program can be run through! For beginners!)
▍14. gdop_all
雷达辐射源定位技术中通过用GDOP来计算定位精度(Radar Emitter positioning technology to calculate the positioning accuracy by using the GDOP)
▍15. IMPROVING-POINT-POSITIONING-ACCURACY
对载波相位平滑伪距的原理和数据预处理进行了探讨,给出提高其定位精度的处理方法和流程。通过 两个算例得到如下结论:对C1和P2码进行相位平滑可有效提高伪距定位精度,较长时间观测定位精度可达1 m 左右,利用精密星历改进后,平滑伪距的定位精度可达0. 5 m左右 对P1和P2码进行相位平滑对定位精度提高不 大,较长时间观测平滑前后的定位精度均可达到0. 6 m,利用精密星历改进后,精度可达0. 3 m 在动态测量后处理 中,绝大部分历元利用精密星历结合相位平滑的定位精度可达2 m。 (The principle and data preprocessing ofcarrier smoothed pseudorange are discussed and themethod which can improve the positioning accuracy and its flow are given.W ith thismethod two computation examples are made.The results show tha:t 1)the accuracy can be improved efficiently by using smoothed C1and P2pseudorange in static data processing, the accuracy can reach 1m if the time is long and can attain 0. 5m if the precise ephem- eris is taken 2)the accuracy can be boosthardly by using smoothed P1and P2pseudorange, but the accuracy can be improved from 0. 6m to 0. 3m if the time is long enough and the precise ephemeris isused 3)mostepochs can reach to the accuracy of2 m precision in kinematic positions if the smoothed code and precise ephemeris are uti- lized. )
▍17. Untitled1
产生陀螺和加速度计的数据，以便在组合导航或者纯惯性导航中进行仿真(A gyroscope and accelerometer data, so the combination of navigation or pure inertial navigation simulation)
▍18. Navigation-Experiments
这是北京航空航天大学的导航系列实验，包括惯性元器件标定和数据解算、gps查分系统定位等程序。(This series of experiments navigation of Beijing University of Aeronautics and Astronautics, include inertia components calibration and data solver gps investigation subsystems positioning procedures.)
▍19. SinglePoint
GPS数据处理，利用MATLAB实现单点定位。(GPS data processing . Using MATLAB single point positioning.)
▍20. 22222feedback
判决反馈均衡，描述了用matlab来描述，可以正确的运行。很好的例子，提供初学者(Decision Feedback Equalization description to describe using matlab can run correctly. Good example, providing beginners)
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