Speech-signal-short-time-analysis

finite element method use machanical engineer to solve the problem about finite

说明：  自编二值算术编码算法的matlab演示。从text.txt读取信息，编码过程及结果由matlab图形演示(binary arithmetic coding algorithm matlab demo. Reading information from Text.txt and the encoding process and the results are showed by the matlab graphics demo step by step.)

单相有源功率因数校正电路的数学模型在matlab/simulink中的仿真，仿真已通过。(Mathematical model of single-phase active power factor correction circuit simulation in matlab/simulink the simulation has passed.)

ICA算法的一个例子，适于初学者。其中采用实际的数据进行盲分离。(ICA an example of the algorithm, suitable for beginners. The actual use of these data for blind separation.)

matlab code for ldpc code

正交频分复用源程序，交含逆快速傅立叶变换，ISI，傅立叶变换(main OFDM)

基于MATLAB编程的粒子群算法，测试函数为shaffer(MATLAB programming based particle swarm algorithm, test function shaffer)

一连续平稳的随机信号x(t)，自相关函数RX(t)=e-/t/，信号x(t)为加性噪声所干扰，噪声是白噪声，测量值的离散值Z(k)为已知，TS=0.02s。 -3.2，-0.8，-14，-16，-17，-18，-3.3，-2.4， -18，-0.3，-0.4，-0.8，-19，-2.0，-1.2，-11，-14，-0.9，0.8，10，0.2，0.5，-0.5，2.4，-0.5，0.5，-13，0.5，10，-12，0.5，-0.6，-15，-0.7，15，0.5，-0.7，-2.0，-19，-17，-11，-14。 自编卡尔曼滤波递推程序，估计信号x(t)的波形。(A continuous stationary random signal x (t), the autocorrelation function RX (t) = e-/ t /, the signal x (t) is additive noise of the interference, noise is white noise, the measured value of the discrete values ​ ​ Z (k ) are known, TS = 0.02s. -3.2,-0.8,-14,-16,-17,-18,-3.3,-2.4,-18,-0.3,-0.4,-0.8,-19,-2.0,-1.2,-11,-14 ,-0.9,0.8,10,0.2,0.5,-0.5,2.4,-0.5,0.5,-13,0.5,10,-12,0.5,-0.6,-15,-0.7,15,0.5,-0.7,-2.0,-19,-17,-11,-14. Self Kalman filter recursive procedure, the estimated signal x (t) waveform.)

A common garch model used in everywhere

基于matlab的火焰高度求解，主要使用的是分布概率法，实验将视频中的火焰按帧取出1512张火焰图进行火焰分析，涉及到灰度图、二值化以及其他MATLAB函数应用。简洁明了，适合学习，且具有一定的工程意义。(This is a program solving the height of falme which based on matlab,mainly used the distributing probabilty.The experiment is analysed by 1512 flame picture which producded by a 3 minute video.The analysis is concerned with Gray,THresholding and other matlab function.The program is simple but important to engineering!)