PVC-(1)

信号多相滤波matlab 实现32 信道滤波，滤波阶数为512(Polyphase filter matlab signal channel 32 filter, filter order 512)

The sparsity of signals and images in a certain trans-form domain or dictionary has been exploited in many applications in signal and image processing. Analytical sparsifying transforms such as Wavelets and DCT have been widely used in compression standards. Recently, synthesis sparsifying dictionaries that are di-rectly adapted to the data have become popular especially in appli-cations such as image denoising, inpainting, and medical image re-construction.

基于Partial Model Method的PID控制器设计，在matlab2010上完美运行(Based on Partial Model Method of PID controller design, a perfect run in matlab2010)

Active Inductor current balancing for multiphase buck-boost converter

huffman函数补充，现有的huffman缺少的huffmandict函数(huffman function complements existing huffman missing huffmandict function)

1．产生一个连续信号，包含低频，中频，高频分量，对其进行采样，进行频谱分析，分别设计三种高通， 低通，带通滤波器对信号进行滤波处理，观察滤波后信号的频谱。 2.采集一段含有噪音的语音信号（可以录制含有噪音的信号，或者录制语音后再加进噪音信号），对其进行 采样和频谱分析，根据分析结果设计出一合适的滤波器滤除噪音信号(1. Produce a continuous signal, including low-frequency, medium frequency, high-frequency components, its sampling, spectral analysis, are designed for three high-pass, low pass, band-pass filter the signal filtering treatment to observe the signal spectrum after filtering. 2. Acquisition section of the speech signal contains noise (can record a signal containing noise, or voice recording, additional noise after the signal), its sampling and spectral analysis, based on an analysis of the results to design a suitable filter to filter out one noise signal)

说明：  关于数值计算的matlab程序代码,包含了很多的实用的算法.程序全部可以直接用的,有详细的英文注释.(on numerical calculation of Matlab code, contains a lot of practical algorithm. All the procedures can be directly used, a detailed English Notes.)

说明：  函数子程序，用于多分辨率分解，使用 A trous 算法； 在分解的过程中，同时给出各级的细节和概貌，它们 和原数据有着同样的长度。(Function, subroutine, for multi-resolution decomposition, the use of A' trous algorithm in the decomposition process, and gives details of all levels and profiles, they have the same and the length of the original data.)

在matlab环境下，导入DEM，计算地形坡度(calculate the slope)

风力发电的仿真模型 上传出来，希望大家共同学习进步。(Simulation model of the wind power)