GPS_Kalman

坐标转换加上示例坐标文件，代码可结合坐标转换公式进行学习(Coordinate conversion plus sample coordinate file, the code can be combined with coordinate conversion formula for learning)

Matlab Code for Channel estimation using LS method

Phase Modulation and Demodulation(Phase Modulation and demodulation)

两种非参数估计方法 核估计 局部线性估计(kernel smoothing local constant regression )

说明：  该程序模拟了海浪的三维动态仿真，展示了随机海风作用下，波浪的运动。(The program simulates the three-dimensional dynamic simulation of ocean waves)

读GPS卫星星历文件，通过星历计算卫星位置(Read the GPS satellite ephemeris file and calculate the satellite position by ephemeris)

采用Newton—Raphson迭代法可以求解复系数一元三次方程的根，代码为Newton—Raphson迭代法的具体实现(The Newton-Raphson iteration method is used to solve the root of a cubic equation with complex coefficients. The code is the implementation of the Newton-Raphson iteration method.)

建立了直接序列扩频系统的matlab仿真模型，在信道中存在高斯白噪声和干扰的情况下，对系统的在不同扩频增益下的误码率性能进行了仿真及分析，分析了扩频码的自相关性、误码率、性噪比。(A matlab simulation model of the direct sequence spread spectrum system, the existence of Gauss white noise and interference in the channel under the condition of the system in different spreading gain the BER performance of the simulation and analysis, analysis of PN code autocorrelation, BER, SNR)

用MATLAB软件，通过MTPA控制SVPWM从而控制电机(Using MATLAB software, SVPWM is controlled by MTPA to control the motor.)

在一幅图像上画圆，可以输入二值或灰度图像(Drawcircle in an image, you can enter binary or gray image)