SPSS

双闭环直流电动机，可以实现PID自动控制(Double closed loop DC motor, PID automatic control)

产生、播放DTMF音频，基于Goertzel算法估计DTMF音频，完成双音多频(DTMF)信号的检测(Generating, playing DTMF tones, DTMF tones based on the estimated Goertzel algorithm to detect the completion of dual tone multi-frequency (DTMF) signal)

说明：  最优化 LM算法, 实现二次函数为目标函数的非线性优化(L-M Optimization method)

说明：  通过pq控制来调节逆变器，从而改善微电网的一些性能(The inverter is regulated by pq control, so as to improve the performance of micro-grid and make the system run more stably)

delcam soft crack,very good.

为了提高发动机电控系统的开发效率，降低开发成本，依据发动机的工作原理，利用MATLAB/SIMULINK工具建立汽油机的计算机仿真模型，并通过必要的验证，证明了该模型能有效的反映节气门开度与负载的变化。(In order to improve engine control system development efficiency and reduce development costs, according to the engine works, the use of MATLAB/SIMULINK tool to create a computer simulation model of gasoline, and adopt the necessary verification to prove that the model can effectively reflect the degree of throttle opening and load changes.)

在求解函数优化问题时，为了提升人工蜂群算法局部搜索能力，提出了一种新颖的混沌蜂群算法。(in order to improve the ability of artificial bee colony algotithm at exploitation, a novel chaos-artificial bee colony algorithm is proposed for continuous function optimization problems. )

说明：  用于matlab仿真的光伏发电并网模型，这是经典类型。做光伏并网读电能质量的影响中用到的。(Photovoltaic grid-connected model for matlab simulation. This is a classic type. Used in photovoltaic grid-connected reading power quality impact.)

This program used to show the Performance of MC-CDMA and OFDM system in AWGN and fading channels with specified parameters given in the code .

matlab7.0基础教程，孙祥等著，清华大学出版社 实用性强，帮助初学者迅速入门(matlab7.0 basic tutorial, waiting for Sun Xiang, Tsinghua University Press, practical help beginners quickly Starter)