计算光谱阵中吸光度向量与浓度向量的相关系数，波长变量选择可以用此方法！-Absorbance in the spectral matrix calculated correlation coefficient vector and concentration of vector, wavelength, variable selection can use this method!

ordeig.m——主程序，调用后两者，计算特征值，按顺序排列，使虚部递减 pois.m ——对于平面Poiseuille流通过切比雪夫你拟谱法离散化生成O-S矩阵 Dmat.m ——求解切比雪夫微分矩阵 -ordeig.m main program, after calling two, computing eigenvalues ​ ​ in sequence, so that the imaginary part of diminishing po

利用循环谱相关法从高白噪声中检测识别出BPSK调制的直扩信号。(Detection and identification of BPSK modulated DSSS signals from high white noise using cyclic spectral correlation method.)