PID

此函数用于IS-95前向链路系统的仿真，包括扩频调制，匹配滤波，RAKE接收等相关通信模块。仿真环境: 加性高斯白噪声信道. (This function is used to forward link IS-95 system simulation, including the spread spectrum modulation, matched filter, RAKE receiver, and other related communication module. Simulation environment: additive white Gaussian noise channel.)

适用于MATLAB中的小程序，功能是：添加环境效果，已经验证，可以使用。(Applicable to the small MATLAB program functions are: add environmental effects, has been verified, you can use.)

利用内点法计算电力系统潮流计算，matlab源代码(The use of interior point method to calculate the power flow calculation, matlab source code)

可以求出五自由度的并联机器人的系统频率，及动平台的速度、位移及加速度图形(System frequency of the five degrees of freedom parallel robot.)

大学数学实验-清华-第2章第3章习题程序(Mathematics Experiment- Tsinghua University- Chapter 2 Chapter 3 Exercise Program)

雷达系统仿真，采用相位编码脉内线性调频混合调制信号。该雷达具有数字化正交解调、脉冲压缩处理、固定目标对消、动目标检测（MTD）、和恒虚警（CFAR）处理等功能(Radar simulation system，using the LFM and barker code mixed modulated signal。Main function include：digital orthogonal demodulationfixed, Pulse compression，target cancellation, moving object detection (MTD), and the constant false-alarm (CFAR) processing etc)

元胞自动机模拟交通流程序，学校交通专业学长给的，能够模拟单车种双车道交通流变化，考虑驾驶员行为。做数学建模美赛的时候用到。(Cellular automaton simulation of traffic flow program, school traffic professional senior, can simulate the change of bike traffic flow, consider driver behavior.)

一个文字识别的基础的matlab代码，对于初学文字识别的同学有比较大的指导作用(a text based on the identification of the Matlab code, Character Recognition for novice students of a more significant role in guiding)

用于提取语音信号的能量谱的函数,ampp(s,a,b,c)，x为输入信号，a,b,c用于指定subplot函数的作图位置(A function for extracting the energy spectrum of the speech signal, ampp (s, a, b, c), x is the input signal, a, b, c is used to specify the location of subplot mapping function)

dct2的编程实现，用来压缩灰度图像，需要修改输入的图像名，保持和程序里的名称一致(dct2' s programming is used to compress grayscale images, need to modify the input image name, the name of maintaining and procedures where the same)