bizroute-39328(1)

face recognition by using principle component analysis

The (a) section of Figure 1 illustrates the Line Echo Canceller (LEC) residing in the access network where echoes occur. Other voice processing modules, such as Automatic Level Control (ALC) and Noise Reduction (NR), are shown merely for illustration purposes. On the terminal side, both acoustic and electrical echo can occur. If the voice terminal is a speaker telephone set with an open acoustical path from the speaker to the microphone, the effect of acoustical echo is combined with the effect of the network echo. Because there is only a miniscule delay between the electrical signal and its echo, the speaker/listener is exposed to an effect known as side tone. Typically, instead of mounting a LEC at the terminal, side tone circuitry is placed to control the amount of the returned energy. The (b) section of Figure 1 shows examples of echo canceller signals representing the following:

hmm经典代码，有又前向后向方程，verterbi算法(hmmClassic code)

segma-delta modulation tech. for sinusoidal using matlab,first run simulink then run the m-file(segma)

说明：  “Queuing network models for delay analysis of multihop wireless ad hoc networks

TSP问题（货郎担问题，旅行商问题）的模拟退火算法通用malab源程序(The TSP (traveling salesman problem, traveling salesman problem) simulated annealing algorithm generic malab source)

最优化单纯型法-matlab算法最优化单纯型法-matlab算法最优化单纯型法-matlab算法(Simplex method optimization algorithm optimization-matlab-matlab algorithm simplex method simplex method optimization algorithm-matlab)

PID仿真用书，详细介绍PID算法及其Matlab仿真程序(The book is about PID simulation , introduced PID algorithm and Matlab simulation)

基于MATLAB和声卡的信号发生器。产生正弦波。适用与初学者。界面友好(Based on MATLAB and sound card signal generator. Generated sine wave. Application and beginners. Friendly interface)

收敛性好，代码较简单易懂，适应于初学者。(Good convergence, the code is relatively simple to understand and adapt to beginners.)