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数模用的时间序列模型，要用matlab编程(Model with time-series model, using matlab programming)

simulink model of dc to dc boost converter. the important thing it is in closed loop using p i controller. it is for study purpose..

完成M=4的DPSK通信系统的蒙特卡洛仿真，信号波形为snr2ps(snr_in_dB) 求出以dB为单位的给定信噪比的比特误码率和符号误码率.(Completion of M = 4 of the DPSK communication system Monte Carlo simulation, the signal waveform is snr2ps (snr_in_dB) calculated in units of dB signal to noise ratio for a given bit error rate and symbol error rate.)

matlab 云模型的源代码实现,是非常好的资料(It is based on the cloud caluate wih matlab computing)

Take an image window and place it in a squared window such that it s size is maximized without distortion.

这是一款基于Matlab2016年版本的UPS电力电子装置的仿真图，通过Simulink来运行，然后可以显示电流电压和开关管的波形，有很好的可视化(This is based on the Matlab2016 version of the UPS power electronic device simulation diagram, through the Simulink to run, and then can display the current and voltage and switch tube waveform, a good visual)

说明：  BUCK-BOOST电路，带有PI控制回路。(BUCK-BOOST circuit with PI control circuit)

这是时频分析技术及其应用一书中的时频工具箱，总共两个，这是第二个(This is the time-frequency analysis technology and its applications book of the time-frequency toolbox, a total of two, which is the second)

Simple exception class used to communicate that the command-line tool should print the usage message.

设计切比雪夫1型滤波器，对输入信号进行滤波，并观察功率谱密度(Design of Chebyshev Type 1 filter, filtering the input signal and observe the power spectral density)