main_FFT

本程序库为《matlab7.x数字信号处理》配套光盘程序，给出了数字信号处理常用算法的matlab程序，具有一定的参考价值！(This procedure library )

Quantisation at different levels.

说明：  bp训练PID系数，《先进pid及MATLAB仿真》修改实现(bp training PID coefficients, pid advanced and MATLAB simulation, modified to achieve)

基于fdtd算法利用matlab软件编写的计算问题空间的程序，适合光电子和晶体等领域(Based on FDTD algorithm using matlab software to write the calculation problem of the space program, suitable for optoelectronic and crystal, etc)

提供了最小方差控制的MATLAB程序以及基于最小方差控制的直接自校正控制。(Provides the minimum variance control of the MATLAB program and direct self-tuning control based on minimum variance control.)

两种模糊核聚类算法,包括源程序和算例，非常有用(Two Fuzzy C-Means algorithm)

space vector pulse wide mudulation for inverter

可以在matlab图的下方给出图像标注。matlab的title命令只能在图像的上方标注图标(in Matlab is at the bottom of the map image tagging. Matlab can order the title in the above image tagging icon)

用matlab实现了2dpca算法，基于ORL人脸数据库，识别率较高(Matlab achieved with 2dpca algorithm, based on the ORL face database, the higher recognition rate)

应用共轭梯度法综合优化交叉耦合滤波器。参考文献<Synthesis of Cross-coupled’Resonator Filters Using an Analytical Gradient-Based Optimization Technique >Smain Amari(Synthesis of Cross-coupled’Resonator Filters Using an Analytical Gradient-Based Optimization Technique _Smain Amari-)