downupSampling_byFactor2

tow dimensional photonic crystal structure

用matlab来做随机模糊模拟的计算，清华刘宝锭《不确定理论》中的算例(Calculated using matlab to do a random fuzzy simulation, Qinghua Liu ingot "Uncertainty Theory" in the numerical example)

说明：  用于地震信号的剖面生成，有助于观察采集到的信号(For seismic signal profile generation, it is helpful to observe the collected signals)

瑞利信道下，2发2收，最大似然译码，空时编码，MATLAB仿真实现(Rayleigh channel, 2 admission, maximum likelihood decoding, space-time coding, MATLAB simulation)

本程序可以使8盏灯循环点亮，并调节点亮速度。方便简单。(This program allows eight lamp light cycle, and adjust the light speed. Convenient and simple.)

DC DC converter (chopper)

永磁同步电机(PMSM)电流转速双闭环PI控制，采用矢量控制（FOC）中的id 0方式，以空间矢量脉宽调制来实现磁链圆跟踪。对负载转矩进行交轴电流前馈以抑制外负载扰动。(Permanent Magnet Synchronous Motor (PMSM) current double closed loop speed PI control, vector control (FOC) of id 0 mode, space vector pulse width modulation to achieve flux circle track. Front axle load torque AC current fed to suppress external load disturbance.)

说明：  DSP入门：在MATLAB中应用傅里叶变换分析信号频谱(DSP basis: Implement fourier transform to analysis signals spectrum with MATLAB)

处理由采集卡采到的加速度传感器测得的信号，并分析其在0-1000Hz的频谱幅值并绘制频谱图(Processed by the acquisition card taken to the measured acceleration sensor signal, and to analyze the spectrum of the 0-1000Hz and draw the amplitude spectrum)

关于人脸识别中的ICA算法，用MATLAB实现(on the ICA face recognition algorithm in MATLAB)