m11438

混合信号源发生器，可自己选择设置输入信号(Mixed Signal Generator can be set up to choose their own input signal)

说明：  经典教材，美国人普艾克编著，非常实用的数字信号处理书(Classic textbook, edited by American Pu Yike, very practical book of digital signal processing)

2ddp dynamic mesh for fluent udf

生成一个采样频率2000，由50Hz、120Hz、200Hz正弦信号以及噪声信号组成的数字信号，滤掉150Hz>f>100Hz的频率，计算并显示滤波前后的原始数据波形以及功率谱密度。(A sampling frequency of 2000, a digital signal composed of 50Hz, 120Hz, 200Hz sine and noise signals, is generated to filter out the frequency of 150Hz>f>100Hz and to calculate and display the original data waveforms and the power spectral density before and after the filtering.)

根据耦合膜理论，和光纤在空间的总功率为1，计算得到不同包层模式的归一化常量(According to the coupling film theory, and the total power of optical fiber in the space of 1, calculated with different cladding modes of the normalization constants)

用于2D图像的Encoder，Decoder(a JPEG Decoder for 2-D image,contain the jpeg file which needed)

研究生毕业论文中的一部分MATLAB源代码，实现压缩卡尔曼滤波算法，包含了仿真结果。(Graduate thesis part of the MATLAB source code, to achieve compression Kalman filter algorithm, including the simulation results.)

用fft对数字信号进行频谱分析,包括对信号的采样，频谱分析，相位分析(The frequency spectrum analysis based on fft)

说明：  电压闭环控制逆变器外加一个锁相环控制，不错的示例( volatge control loop inverter)

说明：  基于MATLAB的M文件，探究扰动之后线性方程组的解得病态问题(MATLAB-based M files to explore the linear perturbation equations were ill-posed problem)