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this code is skin color detection algorithm

说明：  利用矩阵重构，在小样本下，实现了比常规MUSIC更高的分辨精度(Use of matrix remodeling, in small sample situation, implementation than conventional MUSIC higher resolution )

quantized high pass windowed sync filter for digital systems / plot/develop input output filter response

amplitude shift keying along with the result

第 一 类 第 一 类 修 正 贝 塞 尔 函 数(Modified Bessel function of first kind)

This contains program for alising ...

The code assembles various member stiffness matrices of a Q-4 element

批处理选择年代不同的数据 如1951年开始到2010年的数据，统一选择为1971-2010年，该程序可以实现(Batch select from different data such as the 1951 to 2010 data, unified Select year 1971-2010, the program can be achieved)

高斯信道下QPSK仿真程序，显示了QPSK在高斯信道下误码率和信噪比的关系。(Gaussian channel under QPSK simulation program shows the relationship between QPSK Gaussian channel BER and SNR.)

说明：  一维光子晶体传输矩阵法，matlab显示带隙图像。(One-dimensional photonic crystal transfer matrix method, matlab display images bandgap.)