c4_qamdemo

设计数字基带传输系统，利用MATLAB强大的仿真功能，结合其所具有的图形叠加特性，针对余弦滚降最佳接收系统、部分响应系统进行仿真，通过观察仿真眼图、频谱图、功率谱图以及误码率曲线，检测系统的码间串扰和传输质量。(This article designs the digital baseband transmission system, uses the MATLAB formidable simulation function,unifies graphsuperimposition characteristic which it has,we has simulatived optimal reception of characteristic of roll-off and the partial response system,through the observation to simulation of eye pattern,frequency spectrum,power spectrum,bit error rate,detected intersymbol crosstalk and the transmission quality to system.)

pitchn,功能：求一句话的语音基音频率包络。(pitchn matlab)

说明：  通信系统仿真,QPSK调制与解调,主要针对差分解调方式,对于matlab初学者以及做通信仿真的人员有很好的参考价值(communications system simulation, QPSK modulation and demodulation, the main differential demodulator, for beginners and Matlab done Communication Simulation of a very good reference value)

一个小程序，三维MATLAB图标，通过编写函数，实现matlab的三维的图标(A small program, three-dimensional MATLAB icon, by writing function to achieve a three-dimensional icons matlab)

绘制脑电地形图的程序，里面包含绘图函数及相关说明(A program for drawing the map of electroencephalogram .It contains the drawing function and the related instructions)

manupulates vectors and matrices

基于三相双极性SPWM变频调速的水泵供水系统SIMULINK(Based on the three-phase bipolar SPWM VVVF pump water supply system SIMULINK)

张正友摄像机标定matlab程序，用来求出摄像机的内外参数矩阵。(Zhang Zhengyou camera calibration matlab procedures used to calculate the camera' s internal and external parameter matrix.)

说明：  机器人躲避障碍仿真设计程序,来源于因特网.非本人设计(robot avoid obstacles simulation design process, and from the Internet. I-Design)

粒子群算法 运行 可以通过 适用于初级人员学习 希望对大家有用(PSO algorithm run by junior officers apply to study hope to be useful)