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关于采样数据得频谱分析MATLAB事例程序(Sampling data on a spectral analysis program MATLAB examples)

自己写的一个 在matlab环境中计算光学三反镜头初始结构的程序 带有界面(Wrote it myself, one in the matlab environment, computing optical three anti-lens with an interface for the initial structure of the program)

说明：  一个用Matlab编写的的俄罗斯方块程序。(a prepared using Matlab Russian squares procedure.)

Gabor滤波器的纹理特征提取 具有很不错的性能 比较基础 (Gabor filter texture feature extraction)

QAM调制软比特解调，能够更准确进行解调。(Soft bit QAM modulation and demodulation, can be more accurately demodulated.)

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.)

Converts 3D and 2D MATLAB plots to the scalable vector format (SVG).(Converts 2D and 3D plots to the MATLAB scala ble vector format (SVG).)

matlab时频分析配套源码第11章的程序，请大家共享(Matlab time-frequency analysis supporting source Chapter 11 procedures, please share)

数学建模 最后论文 关于房价预测的matlab仿真及预测(Mathematical modeling predicted final paper on the price of matlab simulation and forecasting)

实现脊型波导的二阶，三阶，四级色散，希望对大家有用。(Second Order realization ridge waveguide, third, four dispersion, hope to be useful.)