FromDigtoPWL

y3k=fft(u,(m+n-2)/4) i=1:(m+n-2)/4 subplot(5,2,9) stem(i,u) title( 滤波后上采样 ) k=1:(m+n-2)/4 subplot(5,2,10) stem(k,y3k) title( 上采样频谱 ) xlabel( k ) ylabel( y3k ) (y3k = fft (u, (m+ n-2)/4) i = 1: (m+ n-2)/4 subplot (5,2,9) stem (i, u) title (after filtering the sample) k = 1: (m+ n-2)/4 subplot (5,2,10) stem (k, y3k) title (on the sample spectrum) xlabel (k) ylabel (y3k))

利用matlab语言，设计带通滤波器，对声信号进行滤波处理，除去环境噪声。(Using matlab language, designed bandpass filter, the acoustic signal filtering to remove noise.)

合成孔径雷达成像的matlab仿真 条带SAR 3个点目标(Matlab simulation of synthetic aperture radar imaging bands SAR point target)

An automatic insulin infusion system based on LQG control technique

循环冗余校验就是一种被广泛采用的错误检验编码。介绍了循环冗余校验码的差错控制原理及其算法实现。(CRC is a widely used test coding errors. Introduced a cyclic redundancy check code for error control principle and algorithm.)

把结构动力学中的数值计算用matlab编程，方便大家使用（主要有Houbolt法、Duhamel法、WilsonTheta法等几种）(The structural dynamics of the numerical calculation with matlab programming to facilitate the use of (mainly Houbolt method, Duhamel method, WilsonTheta several law))

matlab离散信号时域分析，和频域分析实例，适合基础者使用。（来源课堂个人实验）(Matlab discrete time-domain signal analysis and frequency domain analysis of the examples, the use of suitable infrastructure. (Source individual classroom experiment))

说明：  本压缩包内涵丰富，需要自己提取学习修改，其中包括无损检测，信号处，超声波仿真及相关程序，内含有帮助文档和学习文件文献。(This package is rich in content and needs to be extracted, learned and modified by ourselves, including nondestructive testing, signal processing, ultrasonic simulation and related programs, including help documents and learning documents.)

说明：  BUCK-BOOST电路，带有PI控制回路。(BUCK-BOOST circuit with PI control circuit)

this rar file consist three files which is Ali_PID_ga ,Ali_ga_test and PID_objfun in order to use these files you have to have gatoolbox