HS_VaR_Backtest

信号处理，关于音乐的多次回声并以GUI 显示音频图谱(Signal processing, multiple echo music audio and GUI displays map)

STEFFENSEN S ALGORITHM To find a solution to g(x) = x

Define to experiment with fitting everything into one 128MB HAE window.

该程序仿真了QPSK调制和解调，并给出了详细的说明。(this program simulates the modulation and demodulation of Qpsk，giving details introduction。)

音频信号的小波分解与重构实例，在MATLAB里调用sym1小波函数进行三层分解。(audio signal decomposition and reconstruction by means of wavelet )

ansys 单相感应电机的静磁场分析，非常有价值，初学者的好例子(ansys single-phase induction motor analysis of the static magnetic field, very valuable, a good example of beginners)

说明：  渥太华大学微波滤波器PM-IM实现负抽头(University of Ottawa microwave filter PM-IM to achieve a negative tap)

加带通滤波器的FFT开源代码，附带批处理程序(FFT band-pass filter plus open-source code, with a batch process)

说明：  通过quad2dggen算法处理二重积分数值计算问题，(Numerical problem dealing with double integral)

sexy函数可以将MATLAB符号表达式变成人们书写形式的表达式。 drnd函数是我写的可以生成服从任意有限离散分布的随机数。(sexy function can be MATLAB symbolic expression of the people into written form expression. Drnd function is I write can generate obey arbitrary finite discrete distribution of random numbers.)