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关于功率谱估计的,周期图法,自相关法,bartlett法和welch法,还有一个复倒谱估计的代码(On the power spectrum estimation, periodogram, since the relevant law, bartlett law and Welch law, there is a Complex Cepstrum estimated code)

该段代码生成不同长度下，双绞线信道的远端衰减冲激响应系数。双绞线频域带宽最高可达106MHz，采样率设置时必须大于两倍的频域带宽。双绞线信道模型使用ITU-T-SG15 contribution 11GS3-029中的模型。(This code generates a different length, the distal twisted channel impulse response attenuation coefficient. Twisted frequency domain bandwidth of up to 106MHz, must be greater than twice the frequency-domain bandwidth sampling rate settings. UTP channel model using the ITU-T-SG15 contribution 11GS3-029 the model.)

matlab生成的mat文件导入到vc++里面，方便matlab和vc联合编程，程序为最基础底层编程，已经过测试(matlab generated mat file into vc++ inside, easy matlab and vc joint programming, the program is the most basic underlying programming, has been tested)

数学建模2001年A题论文，VC++程序和Matlab程序处理100张血管的三维重建(A problem of mathematical modeling paper in 2001)

chirp signal generator

The Vigenère cipher is a method of encrypting alphabetic text by using a series of different Caesar ciphers based on the letters of a keyword. It is a simple form of polyalphabetic substitution.Though the cipher is easy to understand and implement, for three centuries it resisted all attempts to break it this earned it the description le chiffre indéchiffrable (French for the indecipherable cipher ). Many people have tried to implement encryption schemes that are essentially Vigenère ciphers.[3] Friedrich Kasiski was the first to publish a general method of deciphering a Vigenère cipher.Unlike the monoalphabetic ciphers, polyalphabetic ciphers are not susceptible to frequency analysis, as more than one letter in the plaintext can be represented by a single letter in the encryption.

开环迭代学习控制的matlab仿真程序。(Open loop iterative learning control matlab simulation program)

是薛定宇和陈阳泉所著《高等应用数学问题的MATLAB求解》一书的配书光盘中的例题matlab代码(And Chen Xue Dingyu Yangquan book is " higher MATLAB to solve mathematical problems," a book with the book CD matlab code examples)

PID参数的整定就是合理的选择PID三参数。从系统的稳定性、响应速度，超调量和稳态精度等各方面考虑问题，三参数的作用如下：(PID parameter setting is the reasonable choice of three parameters of PID. From the system stability and response speed, overshoot and steady state accuracy and so on various aspects to consider problem, the role of the three parameters are as follows:)

用Arnold矩阵变换进行图像置乱的加密算法及其源代码(By Arnold transform the matrix of image scrambling encryption algorithm and its source code)