costas_ClosedLoop

Feature extraction of a image

对利用录音设备对手机、电话等按键式密码输入终端进录音盗取银行卡密码的不法行为进行技术分析，利用MATLAB软件编程对按键式密码输入终端的按键音进行音频分析，基于短时能量和过零率对所采集的音频文件进行端点检测，提取出单个拨号音，然后对处理后的音频进行频谱分析、对比，从而识别按键式密码输入终端的按键音。(On the use of recording equipment on the phone, telephone touchtone input terminal password into the recording steal bank card passwords wrongful conduct technical analysis using MATLAB software programming for touch-tone touchtone password input terminal for audio analysis, based on short-term energy and zero-crossing rate of the acquired endpoint detection audio files, extract single dial tone, and then processed audio spectrum analysis, comparison, to identify key tone touchtone password input terminal.)

Comparison of PSK and DPSK modulation in a coded OFDM system vtc97.rar(Comparison of PSK and DPSK modulation in a coded OFDM system vtc97.rar)

MATLAB方程组合差值算法设计教程源码Combination of the difference equation algorithm MATLAB Tutorial Source(Combination of the difference equation algorithm MATLAB Tutorial Source Combination of the difference equation algorithm MATLAB Tutorial Source)

PWM在双向DC-DC的应用时十分显著的，可以用于很多场合，比如电梯节能，电动汽车(PWM convert pwm simulink pwm buckpwm pwm matlab DC DC PWM PI MATLAB PWM buck simulink dc-dc ma pi DC )

图像滤波与傅里叶变化的matlaba源码(带注释)(Image filtering and Fourier transform of matlaba source code (with comments))

face database for face recognition

基于MATLAB环境显得图像去噪示例程序(Image denoising based on MATLAB environment, sample programs appear)

胡广书的数字信号处理的matlab源代码(Digital signal processing)

求解简单振动系统的响应（中心差分法，Wilson-θ法，Newmark-β法，Houbolt法）(Solving simple vibration response of the system (central difference method, Wilson-θ method, Newmark-β method, Houbolt method))