backgroundextractor

说明：  数字信号处理，书籍源代码。实现一些最基础的功能。适合于初学者。(Digital signal processing, books, source code. To achieve some of the most basic functions. Suitable for beginners.)

本matlab代码实现了图像分割，分割成a*a的图像小块，效果还行()

from this i want pesq result for speech enhancement

这是一个异步电机基于磁场定向的矢量控制仿真模型，其中外环控制采用滑模变结构方式。(This is an asynchronous motor vector-based field-oriented control simulation model, which uses sliding mode outer loop control mode.)

newmark法 进行时程分析 可能有个别小错误，欢迎指正...谢谢(newmark)

说明：  异步电动机直接转据控制系统中电流信号的AD转换，可直接用于工程项目中(direct asynchronous motor control system according to which the current signal AD conversion, can be used directly in projects)

FDMA三路频分多址的MATLAB的Simulink软件包下的程序(FDMA three-way frequency division multiple access MATLAB Simulink package program)

BPSK 加上了（7,4）汉民编码，误比特率统计(BPSK with the (7,4) Han coding, bit error rate statistics)

periodogram in a white noice

说明：  基于匹配滤波器输出的非线性判决反馈DF检测器(This paper introduees cause of formation of MAI in CDMA systems, and Points out that multi-user Deteetion(MUD) teehnology can improve eapability and performanee of CDMA through suppressing MAI)