Digitalmodulationanddemodulation

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模拟QPSK发射和接受的一个程序，带I-Q修正，对于理解QPSK有很好的作用(QPSK Transmitter and I-Q Correlation Receiver)

Change of sampling rate

说明：  正常重力的仿真模型，内含正常重力计算公式，可模拟不同纬度的正常重力(Simulation model of normal gravity, containing normal gravity formula can simulate normal gravity in different latitudes)

龙格库塔法解简单运动方程,单自由度方程适用，一个简单的应用例子(Solving simple equations of motion Runge-Kutta)

此程序为计算桁架受荷载作用下的位移及应力算例(This program is subject to displacement and stress calculation truss under load examples)

关于QPSK信号经过莱斯信道误码性能分析，有莱斯信道解释及matlab源代码(QPSK signal on the Rician channel error performance analysis, there are Rician channel interpretation and matlab source code)

用matlab分析处理了一段语音信号，实现了语音合成(Using matlab speech signal analysis and processing for a while to achieve a speech synthesis)

Control system dynamic simulation instance tutorial,可以很好的学习交流控制系统的仿真(Control system dynamic simulation instance tutorial, can be a good learning exchange control system simulation)

说明：  pid在simulink上的图形表示，个人自制，希望有用(pid simulink on the graphical representation of the individual self, hope helpful)