ridgeorient

说明：  数字图像处理所用，是做图像处理的人的参考书(Used in digital image processing, image processing is done reference book for those who)

本程序是关于卫星上下变频的简单的实现算法，首先产生双边带调制信号，与收本振混频后，通过低通滤波器完成下变频。再与发本振混频，通过高通滤波器后完成上变频(This program is a simple algorithm on the satellite and down-conversion, the first double-sideband modulation signal generated, after the close of the oscillator mixer, low-pass filter complete the conversion. Again and send the local oscillator mixer, followed by the completion of the high-pass filter frequency)

请大家帮忙看看问题出在哪里,a0、a1、a2还可以，A3以后就不对了(Matlab computing applications lamb wave dispersion curves, group velocity and phase velocity calculation.)

Matlab altenative library

有CDF三角函数曲线/三维曲线图，线性调频脉冲压缩的Matlab程序,外文资料里面的源代码。( There CDF trigonometric curve/3D graphs, LFM pulse compression of the Matlab program, Foreign materials inside the source code.)

利用粒子滤波进行电机的参数估计，包括电机的各项电流、位置、速度。(Particle filter motor parameter estimation, including the motor current, position, speed.)

一些常用函数汇总,便于初学者模范何学习MATLAB的图像处理函数(a collection of functions，a collection of functions，a collection of functions，a collection of functions，)

在MATLAB 编程中输入和输出函数的应用方法。(the output and input functions in MATLAB.)

LZW编码和Huffman编码，MATLAB(LZW coding and Huffman coding，MATLAB)

在Juan Cardelino发布的FMM(fast marching methos)2维程序基础上改写的3维程序。并改写成适合复杂速度模型，可用于地震旅行时计算。大模型3d算法在matlab下计算速度较慢，根据源码中的注释很容易改写成c程序。(3D FMM program revised from Juan Cardelino s 2D version. The program can calculate the seismic traveltimes in 3D complex model)