dct_watermarking

PLL的simulink仿真模型，希望能有用，谢谢大家(PLL in simulink simulation models, hoping to be useful, thank you)

I THINK THAT ALL WHAT I WANT IS THIS

利用matlab里面的m文件，其中分为两种：脚本文件和函数文件，对其进行调用(Using matlab inside the m file, which is divided into two kinds: script files and function files)

说明：  本代码用于matlab中数字信号得快速傅里叶变换及频谱分析(This code is used in matlab digital signal FFT and spectrum analysis)

main executing reference usage: observeWaveletDecompositionBenchmark_N_levels.m The objective is to illustrate wavelet decomposition, and to describe how operations may be done in the wavelet domain before the reconstruction. The demo decouples the wavelet operations (transform, operation in wavelet domain, and reconstruction) from the plotting. A PSNR and MSE describes the possible distortion (however minimal) of the forward and inverse wavelet transform. * Caveat: The image display may be subjected to the selected target image. The objective is to provide a simple framework for the understanding of working with wavelets.

运用FFT技术来综合和分析电话拨号的过程，matlab来分解了这一过程，希望能提供帮助( TOUCHTONE Use FFT to synthesize and analyze telephone dialing The dual tone multi-frequency (DTMF) standard specifies that the tone generated by a button on a telephone key pad is the sum of two sinusoids, with frequencies determined by the button s row and column. The dial pad on the upper left allows you to select buttons and generate the corresponding tones. The signal plotted on the upper right is a recording of the FAX number for the MathWorks being dialed. You can replay the entire signal, or select individual segments. The power plot is the magnitude of the FFT of the signal being played. What is the MathWorks FAX number?)

This paper helps in Blind Identification and Equalization of MIMO FIR Channels Based on Subspace Decomposition and Independent Component Analysis

基于matlab语言的EMC程序，使用FDTD算法(EMC program based on Matlab language, using the FDTD algorithm)

三层平板光波导，计算有效折射率，求解波导色散,(Three planar waveguides, calculate the effective refractive index of the waveguide dispersion solution,)

副瓣对消，采用主波束采样数据与对消波束数据的相关性，进行对消(use main beam and cancellation beam to eliminate sidelobe targets)