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为给定的WAV文件，绘制频谱。内附程序及报告书。(For a given WAV file, draw the spectrum. Included procedures and report.)

本程序是基于LeventCode平台作的。 ---包括以下方法： BivaShrink方法、模型1、模型2、模型3（TrivaShrink方法）、BayesShrink方法、LAWMLShrink方法的DWT实现和DT_CWT实现。(This procedure is based on the LeventCode platform for the. --- Including the following methods: BivaShrink method, model 1, model 2, model 3 (TrivaShrink method), BayesShrink method, LAWMLShrink method of DWT implementation and DT_CWT achieve.)

一种频率域计算天然地震接收函数的程序，matlab程序(A method which calculate the receiver-function in frequency )

Information Hiding Using Least Significant Bit Steganography and Cryptography

说明：  MATLAB实现Ovsf扩频解调，WCDMA(MATLAB implementation Ovsf Spread)

matlab读取数据文件，进行fft，再写入数据文件，最后比较变化。(matlab to read data files for fft, and then write the data file, and finally compare changes.)

The program should recognize objects like circles, rectangles, and squares from the input image.

Finally check it out.

设计的一种带通滤波器 具有很好的滤效果。(Design of a bandpass filter with good filtering effect.)

一种全新的智能算法----萤火虫群算法。该算法主要用于求解函数.(A new algorithm---- fireflies swarm intelligence. The algorithm used to solve function.)