chap9

What follows are example usages of polyfitn, polyvaln, poly2sympoly, polyn2sym

有源电力滤波器，采用滞环控制方法以，直流侧电压为530V，最终波形显示很好 (Active power filter, a control method with hysteresis, DC voltage is 530V, the resulting waveform display good)

rungekutta 2nd order pde

说明：  LMS语音信号去噪matlab代码，可以对一段较长的语音信号进行去噪(LMS speech signal denoising matlab code, you can denoise a long speech signal)

This simulation by MATLAB s simulink for boost converter circuit "HIGH STEP-UP CONVERTER"

树状网潮流程序，ＭＡＴＬＡＢ代码编写，附１９９８年文献说明(tree network trend procedures, the preparation of MATLAB code, with the literature in 1998)

基于JPcap的ip数据包的分析，详细讲解了完成数据捕获分析的过程，其中包含了JPcap基本类的使用 (Based on the analysis JPcap ip packet detail on the completion of the analysis of the data capture process, which includes the use of the basic classes JPcap Analysis of IP data packet based on JPcap, explain in detail the process of data capture and analysis, including the use of JPcap basic class)

逻辑无环流双闭环可逆直流调速，波形很好，调节时间迅速(Logic non circulating DC double loop speed control, waveform is good, adjust the time quickly)

正弦脉宽调制， 程序给定调制波频率，载波频率，负载功率因数，输出相电压波形，相电流波形。(Sine pwm,the frequecy of modulated wave and carried wave is given in program, also the factor of load.The output is wave of phase voltage and phase current.)

程序代码说明 P0201：MATLAB赋值 P0202：MATLAB中的for循环 P0203：MATLAB中的for循环和if条件 P0205：MATLAB图像处理的基本操作 P0206：MATLAB高级图像处理操作 P0207：根据RGB图像创建一幅灰度图像 P0208：二值图像的取反操作 P0209：用imshow函数显示图像 P0210：在同一个窗口内显示两幅图像(code P0201 Note : MATLAB assignment P0202 : MATLAB for the cycle P0203 : MATLAB for the cycle, and if conditions P0205 : MATLAB image processing basic operation P0206 : High MATLAB image processing P0207 : According to RGB images to create a gray-scale image P0208 : binary images from the operation of the anti-P0209 : use imshow function displays images P0210 : in the same window shows two images)