chen

Finite Element Programming for Matlab in 2D (Stokes flow)

About denoising of ECG signals using matlab

通过Matlab GUI创建用户界面，对语音信号进行频谱分析及滤波,高通、低通、带通等 (Created by Matlab GUI user interface, the speech signal spectrum analysis and filtering, high pass, low pass, band pass, etc.)

混合模糊聚类算法,2012年有希腊学者提出，有一个参数theta。当theta为0是该算法为k均值算法，当theta为1时，该算法为模糊聚类算法；当介于0到1时，该算法性能在两者之间(hybrid fuzzy clustering method)

应用matlab中的simulink仿真环境实现由三相正弦波产生PWM波形的仿真实验。(Application of matlab in simulink simulation environment arising from the three-phase sine wave PWM waveform simulation.)

这是一个关于齿轮的齿顶圆和齿根圆半径的计算程序，先将图片预处理和二值化，然后进行边缘检测求出圆心，最后用平均法求出半径。(This is an addendum on the gear tooth root radius circle and the calculation procedure, the first image preprocessing and binarization, edge detection and then find the center of a circle, with the final calculated average radius.)

三相电压型PWM逆变器的数学模型和主电路设计 完整三相电压型PWM逆变器模型 双闭环 (Mathematical model of three-phase voltage-type PWM inverter main circuit design and complete a three-phase voltage-type PWM inverter model dual-loop)

用分布傅里叶计算硅波导中的非线性薛定谔方程，考虑硅波导中色散及非线性损耗(solution of NLSE(two pulses propagate in silicon waveguide) using split step fourier method)

详细的卷积编码与维特比译码算法。产生随机信号，对信号进行卷积编码，然后经过数值转换、格雷编码，QPSK调制，进入加噪信道，之后进行QPSK解调，格雷解码， 数制转换、 维特比译码得到接收端的信号。(Detailed convolutional coding and Viterbi decoding algorithm. Random signal, the signal convolution coding, and then through numeric conversion, Gray coding, QPSK modulation, plus noise into the channel, followed by QPSK demodulation, decoding Gray, number system conversion, Viterbi decoding to get the receiving end of the signal.)

说明：  使用EM算法完成对稀疏信号的恢复，对学习稀疏贝叶斯很有用处(Using EM algorithm to recover sparse signal is very useful for learning sparse Bayesian)