hw6_solution

1）已知2N点实数序列 N=64。用一个64点的复数FFT程序，一次算出 ，并绘出频谱 。 （2）已知某序列 在单位圆上的N=64等分样点的Z变换 。用N点IFFT程序计算 ，绘出图像 。 (1) known 2N-point sequence of real numbers N = 64. With a 64-point complex FFT process, a calculated and mapped the spectrum. (2) known to a certain sequence in the unit circle on the N = 64 sub-samples of the Z transform. N-point IFFT procedures used, the mapped image.)

matlab小波分析程序，实现了图像的加水印，去噪，加噪声等功能，BP神经网络的整个训练过程。( matlab wavelet analysis program, Realize image watermarking, de-noising, plus noise and other functions, The entire training process BP neural network.)

0.618法是根据黄金分割原理设计的,所以又称之为黄金分割法。 　　优选法是一种求最优化问题的方法。(0.618 method is designed based on the principle of golden, it is also called the golden section method. Optimization is an optimization problem seeking.)

zernike 多项式的一部分程序，此程序用Matlab编写，能很好的实现功能(zernike polynomial part of the program, this procedure to prepare to use Matlab, can achieve a good functional)

说明：  编程珠玑源代码 很经典 都是c和c++的源代码(Abas programming source code is very classic and c are c++ Source code)

基于PCA的人脸识别技术代码，与其他技术比较起来有很大的优点(PCA-based face recognition code, and other technologies have great advantages compared to)

说明：  修改后的EZW，有详细说明。能够看懂代码的。(Modified EZW, are described in detail. Can understand the code.)

对网格进行平滑，利用汉宁窗对海底地形进行平滑。直接输入函数即可。(Smoothing of the grid, the use of Hanning smoothing of the submarine topography. Can be directly input function.)

用matlab实现了CDMA系统的RAke接收机，比较最大比合并，等增益合并和选择式合并接收机的性能(Using matlab to achieve a CDMA system RAke receiver, compare maximal ratio combining, equal gain combining and selective merge receiver performance)

直扩系统传统DMF解扩SIMULINK建模(DS system, the traditional DMF despreading SIMULINK modeling)