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用工具箱实现正弦函数的逼近，BP逼近与RBF的逼近

说明：  建立GEO和LEO的轨道，并计算他们间方位角和俯仰角速度及加速度，多普勒频移等重要参数。(established GEO and LEO orbits, and calculate their azimuth and pitch between angular velocity and acceleration, Doppler frequency shift and other important parameters.)

非线性方程组求解，里面有很多相关的matlab算法例子。希望对大家有用！(Nonlinear equations, there are many examples of related matlab algorithm. Hope it useful!)

介绍了什么是函数文件及如何编写函数文件等等(What is the function of the document describes how to write functions and files, etc.)

经典的卡尔曼滤波程序，可以给大家很大的帮助(The classical Kalman filtering procedures can be of great help to everyone)

图像处理中，HOUGH变换的实验程序，用MATLAB编写，配有可是图片(image processing, HOUGH transform the experimental procedure, using MATLAB, but equipped with photo)

利用参数辨识法提取相关对准参数，从而估计出陀螺漂移和数学平台偏角并进行补偿。仿真结果表明，开路罗经法对准具有较高的对准精度、较好的快速性，能够满足捷联惯导系统在静基座下实现自对准的要求。(Expressions of mathematical platform misalignment angles of the open-loop algorithm are derived and parameter identification method is used to pick-up the corresponding coefficients from angle measurements in order to identify and compensate gyro drifts and platform misalignment．The simulation results show that the open circuit gyrocompass alignment of SINS can all meet the requirement of SINS initial alignment with high accuracy and quick reaction on static base. thus can meet the high-precision alignment requirement of carrier based inertial navigation system on swinging base． )

matlab实现线性调频信号的i路和Q路分解，并通过低通滤波器输出。(matlab realize i Chirp signal path and Q path decomposition, and through low-pass filter output.)

说明：  存在多径的OPSK传输性能仿真。可以绘出不同信噪比下的误码率曲线图(The OPSK multipath transmission performance simulation. Can draw different SNR BER curves)

Matlab tutorials in basics