▍1. GPS卫星信号 产生传输 接收 噪声 误差IFGPSsystem
GPS卫星信号 产生传输 接收 噪声 误差 MATLAB 仿真 程序(GPS satellite signal transmission receiving noise error MATLAB simulation program )
GPS卫星信号 产生传输 接收 噪声 误差 MATLAB 仿真 程序(GPS satellite signal transmission receiving noise error MATLAB simulation program )
说明: GPS信号频谱,matlab语言,里面有CA码和P码的子文件,最后将各信号频谱画出来。(GPS signal spectrum, MATLAB language, there are ca code and P code sub file, finally the signal spectrum will be drawn.)
针对高动态 环 境 下 突 发 信 号 检 测 问 题,提 出 基 于 高 阶 项 逐 级 消 去 的 非 线 性 调 频 (non-linear frequency modulation,NLFM)信号参数估计算法,利用合理近似,将其转化为相对简单的线性调频 (linear frequency modu- lation,LFM)信号参数估计问题,并提出两级调频率逼近法用于LFM 信号参数估计,具有原理简明、计算复杂度低 等特点,便于实际工程应用.(To detect burst signals in high dynamic environment, a non-linear frequency modulation (NLFM) based on high-order item elimination is proposed. Modulation (NLFM) signal parameter estimation algorithm, using reasonable approximation, is transformed into a relatively simple linear frequency modulation- The problem of LFM signal parameter estimation is discussed. A two-stage frequency modulation approximation method is proposed for LFM signal parameter estimation. It has simple principle and low computational complexity.)
说明: 针对高动态 环 境 下 突 发 信 号 检 测 问 题,提 出 基 于 高 阶 项 逐 级 消 去 的 非 线 性 调 频 (non-linear frequency modulation,NLFM)信号参数估计算法,利用合理近似,将其转化为相对简单的线性调频 (linear frequency modu- lation,LFM)信号参数估计问题,并提出两级调频率逼近法用于LFM 信号参数估计,具有原理简明、计算复杂度低 等特点,便于实际工程应用.(To detect burst signals in high dynamic environment, a non-linear frequency modulation (NLFM) based on high-order item elimination is proposed. Modulation (NLFM) signal parameter estimation algorithm, using reasonable approximation, is transformed into a relatively simple linear frequency modulation- The problem of LFM signal parameter estimation is discussed. A two-stage frequency modulation approximation method is proposed for LFM signal parameter estimation. It has simple principle and low computational complexity.)
GPS伪距单点定位,包括导航文件、观测文件、精密钟差和精密星历的读取,对流层Hopfield模型,电离层K8模型,采用最小二乘法,最后通过调用matlab来计算测站坐标。对GPS编程初学者是很好的编程哦。(GPS pseudorange point positioning, including navigation documents, observation files, precision clock bias and precision ephemeris read, Hopfield model troposphere, ionosphere K8 model, using least square method, and finally by calling matlab to calculate station coordinates. The GPS program is a good program for beginners oh.)
GPS伪距单点定位,包括导航文件、观测文件、精密钟差和精密星历的读取,对流层Hopfield模型,电离层K8模型,采用最小二乘法,最后通过调用matlab来计算测站坐标。对GPS编程初学者是很好的编程哦。(GPS pseudorange point positioning, including navigation documents, observation files, precision clock bias and precision ephemeris read, Hopfield model troposphere, ionosphere K8 model, using least square method, and finally by calling matlab to calculate station coordinates. The GPS program is a good program for beginners oh.)
GPS 模拟器软件可以在PC上模拟GPS数据,发往串口。GPS相关软件开发者可以拿来测试用。(GPS simulator software can be simulated on a PC GPS data sent to the serial port. GPS software developers can be used to test.)
通过系统设计,仿真DOA主波束有用信号形成方向,干扰方向零陷 (Through system design, simulation DOA useful signal the formation of the main beam direction, the direction of interference Null)
地图匹配,用于将GPS轨迹匹配到地图上的道路上,可以实时导航。(Map matching for matching the GPS track to the road map, real-time navigation.)
采用龙格库塔法对glonass卫星进行位置解算(Glonass Satellite Position Solution)
说明: 采用龙格库塔法对glonass卫星进行位置解算(Glonass Satellite Position Solution)
说明: 利用matlab完成GPS仿真,GPS软件接收机的源码,实现信号跟踪、捕获、电文解调、定位解算等功能,有助于学习卫星导航的同学加深对GPS接收机工作原理的理解,也可作为核心代码扩展为GPS接收机工作原理演示程序。(%This program is free software; you can redistribute it and/or %modify it under the terms of the GNU General Public License %as published by the Free Software Foundation; either version 2 %of the License, or (at your option) any later version.)
尽管现在捷联惯导 GPS测向 应用很广泛 测量精度很精确 但不可避免都有自身的缺点,因此再次讨论常规无线电测向测姿问题(Although SINS application of GPS measurements to a wide range of measurement accuracy is very precise but inevitably has its own shortcomings, so once again the discussion of conventional radio direction finder to the attitude determination problem)
GPS L1信号的仿真及信号的捕获 画信号频谱及相关捕获图(GPS LI signal simulation and acquisition)
gps,glonass双模定位,求解用户位置坐标,和接收机钟差(the gps, glonass dual-mode positioning)
GPS软件接收机的源码,实现信号跟踪、捕获、电文解调、定位解算等功能,有助于学习卫星导航的同学加深对GPS接收机工作原理的理解,也可作为核心代码扩展为GPS接收机工作原理演示程序。(The source code of the software GPS receiver signal tracking, capture, message demodulation, position resolution and other functions, help students to learn satellite navigation to deepen understanding of the GPS receiver works can also be extended as the core code for the GPS receiverworking principle of demo program.)
GPS信号捕获跟踪的MATLAB仿真,里面有文档说明。(GPS signal acquisition track of MATLAB simulation, there are documented.)
GPS信号的跟踪与捕获,matlab代码有详细注释!!!!!(GPS signal tracking and capture, matlab code have detailed!!!!!!!!!!!!!!!!!!!!!!!!! Comments)
GPS软件接收机以及fft程序实现 可以实现,包括基本文档(The software GPS receiver and FFT program)