MATLABR2008_1

数字信号处理实践方法，从一到三囊括了数字信号处理的模数变换、DFT变换、Z变换、滤波器设计等(Digital signal processing practices, from 1-3 to include digital signal processing of analog-to-digital transformation, DFT transform, Z transform, filter design, etc.)

Simulation of Quartz Crystal Resonator using approximation from "Mindlin Plate"

Initiation a MATLAB Ce document est issu d une premiere version ecrite en 1993, qui avait l’avantage de tenir sur 10 pages. Au fil des annees il est apparu que beaucoup de concepts importants etaient passes sous silence, ce qui obligeait les enseignants a combler ces lacunes au fur et a mesure.

液靜壓支乘動態剛性，可作為液靜壓支乘動態研究的基礎(hydrostatic bearing dynamic stiffness)

基于matlab的语音变声系统，实现男女生转换，童声等(Voice voice system based on MATLAB, realize the conversion of male and female students, children etc.)

语音识别是近年来发展非常迅速的一项计算机智能技术，广泛应用在语音控制、身份识别等多个领域。本次项目主要研究语音识别的预处理过程和特征参数的提取环节。通过对原始语音信号进行预加重和分帧、加窗，滤除低频干扰，提升对语音识别有用的部分，消除了部分噪音和失真。预处理之后进行信号的特征提取，主要选取了短时平均过零率和MFCC两个特征参数，应用matlab软件绘制波形图并提取特征参数矩阵，为之后的语音信号的识别打下了基础。(Speech recognition is a computer intelligent technology which has developed rapidly in recent years. It is widely used in speech control, identity recognition and other fields. This project mainly studies the pretreatment of speech recognition and the extraction of feature parameters. Through pre-emphasis, framing and windowing of the original speech signal, the low frequency interference is filtered out, the useful part of speech recognition is enhanced, and some noise and distortion are eliminated. After pretreatment, feature extraction of signal is carried out. Two feature parameters, short-term average zero-crossing rate and MFCC, are selected. Waveform diagram is drawn by MATLAB software and feature parameter matrix is extracted, which lays a foundation for speech signal recognition.)

该文件包含所有的测距定位算法，能够适用于无线传感器网络定位以及蜂窝网的终端定位。(This file contains all of the distance positioning algorithm, can be applied to wireless sensor network localization and cellular network terminal positioning.)

本文件主要内容是讲解关于matlab中对矩阵的运算等等(MATLAB matrix calculator)

说明：  ml detection mimo good

matlab code for Empirical Mode Decomposition algorithm.