accumarray

说明：  实现FSK调制的详细过程，对学习很有帮助，必须顶(Detailed process to achieve FSK modulation, useful for learning to be top)

传热计算实例，瞬态导热中的一个很小的问题。本科生运用matlab做的算例。(transcient conduction heat transfer in 2 dimentions, for undergraduate students only. produced in 2007.copyright reserved by xxhe.)

一种具有提示功能的文本框，可以根据实际使用进行重新，具有很好的参考价值(A text box with prompts that can be re-based on actual use, a good reference value)

通信系统的方针，用matlab编写，qpsk(communication system simulation by matlab,qpsk)

tdma cdma fdma的simulink仿真，很好的仿真了三种通信系统(simulation of tdma cdma fdma by simulink of matlab)

使用matlab中仿真实现差分进化算法，可在多目标优化的应用的使用(matlab differential evolution (DE) algorith)

本文档介绍了关于信道仿真的一些程序代码和一些仿真结果，并对各种信道仿真结果做了比较和分析(This document describes a number of channel simulation program code and some simulation results, and a variety of channel simulation result of the comparison and analysis)

说明：  基于MATLAB GUI 设计的数字信号处理系统，可以实现基本的信号生成，信号分析和信号滤波以及简单的语音信号处理等功能。其中信号生成模块可实现正弦波、方波、三角波、高斯白噪声、chrip信号的生成和叠加；信号分析模块支持基本的傅氏变换下的频域分析功能；信号滤波模块可以实现数字低通、高通、带通、带阻下的切比雪夫、巴特沃思、椭圆滤波器的设计和滤波处理；语音信号处理模块可以实现音频文件的读取、播放、叠加噪声、滤波等功能。(Based on MATLAB GUI design of digital signal processing system, you can achieve the basic signal generation, signal analysis and signal filtering, and simple voice signal processing and other functions. The signal generating module can realize the sine wave, triangle wave, Fang Bo, Gauss, chrip generation and superposition of white noise signal; signal analysis module supports the analysis function of frequency domain Fourier transform basic conditions; signal filtering module can realize digital low-pass, high pass, band pass, band stop, Butterworth, the Chebyshev elliptic filter design filtering and processing of speech signal processing; module can realize audio files to read, play, adding noise, filtering and other functions.)

说明：  改进的基于压缩感知的OMP算法实现了对OMP算法原子选择的改进，具有更好的自适应能力(The improved OMP algorithm based on compressed sensing realizes the atom selection improvement of OMP algorithm, which is more adaptive)

根据已知的三维离散数据（x,y,z）,在MATLAB中利用此函数进行三维曲面拟合，再根据polyval2d得出拟合函数的系数矩阵。(according to 3D discrete datum (x,y,z),use this function in MATLAB to fit 3D surface, and use polyval2d to get coefficient matrix)