zfft

时深转换小程序，很实用................(time to depth，useful)

Code for doing FDTD solutions.

model maintain the level of water at the pump station with the reaction of the step effect

纯函数的选取包含保罗估计函数、纯调频信号、包络估计值等(Selection of pure functions include Paul estimation function, pure frequency modulation signal and envelope estimate, etc)

人工蜂群算法优化无刷直流电机PID控制，并采用三种评价指标函数IAE、ITAE、ITSE来进行对比分析。 (Colony optimization algorithm brushless DC motor PID control)

决策树的matlab 程序代码 非常好用 适合初学者(Matlab code decision tree is very useful for beginners)

对数字信号的波形及其频谱分析，着重比较其在时域和频域上的差别(Digital signal waveform and its spectrum analysis, focused on comparative differences in the time domain and frequency domain)

说明：  the code is dealing with the detection of faces in an image. it is basically a face detection code

ofdm有关信噪比与误码率的matlab仿真，包含QPSK星座图。(Matlab OFDM simulation of the signal to noise ratio and the bit error rate, contains the QPSK constellation.)

The Bluetooth Voice model makes extensive use of frame based processing in Simulink, which can propagate large frames of samples at each execution step allowing for much faster simulation of digital systems.