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PSD.rar
- 求功率谱估计常用的几种方法，包括周期图法，Welch 法，和AR模型法。,For power spectrum estimation commonly used in several ways, including periodogram, Welch law, and the AR model.
fft.rar
- implement 1D and 2D FFT and Inverse 2D FFT ,obtain the power spectrum from a set of FFT coefficients and achieve the Butterworth Lowpass Filter,implement 1D and 2D FFT and Inverse 2D FFT ,obtain the power spectrum from a set of FFT coefficients and a
dft.rar
- 基于OpenCV的源码， 实现了利用DFT离散傅里叶变换计算图像的功率谱。,OpenCV based on the source, the use of implementation of the Discrete Fourier Transform DFT calculation of the power spectrum image.
Spectrum-Analyzer---Speech
- 我做的频谱分析仪的新功能，给大家分享，具体如何实现可以查找有关资料。只是分享自己的新内容。-I do a new spectrum analyzer functions, to share, how you can find specific information. Just to share their new content.
estimate-powers-spectrum
- 根据维纳-辛钦定理，广义平稳随机过程的功率谱是自相关函数值。但对于许多实际应用问题，可资利用的观测数据往往是有限的，所以要准确计算功率谱通常是不可能的。比较合理的目标是设法得出功率谱的一个好的估计值，这就是功率谱估计。本文通过分析经典功率谱估计和现代功率谱估计的多种方法，比较各种方法的优缺点。-According to Wiener- Xinqin theorem, wide-sense stationary random process is the power spectrum of the
FFT_IFFT.rar
- （1）求出两维单色数字图象的傅立叶变换以及逆变换，除对比图象效果外，还要给出以中心点作为原点图象显示方式的傅立叶变换的频谱、相位谱，并验证两维傅立叶变换的性质。 （2）傅立叶变换后，计算图象能量谱的分布范围：画出包含图象能量92.0％，94.6％, 96.4, 98.0％ 以及99.5％ 的圆圈区域。,(1) obtained two-dimensional monochrome digital image of the Fourier transform and inverse transf
kuopin2
- 扩频隐写算法,希望对学习信息隐藏的同学有帮助-Spread-spectrum steganography algorithm, in the hope that students learn information hiding help
fwt2d_demo
- 小波变换源码，国外VC开发的，效果比较好 I ve been involved with wavelet-analysis since my Ph.D studies and over the years developed various wavelet-transforms C++ libraries. This one concerns 2D implementation of the Fast wavelet transform (FWT). The 2D FWT is used i
ppanalysis
- 功率谱分析，用于序列的周期识别。将一序列用不同周期的谐波分解,并用F检验进行周期检验。-Power spectrum analysis for identification of sequence cycles. One sequence will be different harmonic decomposition cycle and test cycle with F test.
SS_alpha5
- Spread Spectrum Watermark
DigitalWatermarking
- 基于扩频序列和小波变换的数字水印算法 的仿真程序-Sequence spread-spectrum based on wavelet transform and the digital watermarking algorithm simulation program
image_bandpass_filter
- Design frequency domain Ideal, Butterworth and Gaussian band pass filters to filter the input image. Use your own grayscale picture as the input image. The filters must be passing frequencies between radius of 30 and 120 frequency components of the
wm
- 基于扩频变换的数字水印技术参考资料与论文打包集合-Transform-based spread-spectrum digital watermarking technology packaged collection of reference materials and papers
fractal-pu
- 分形谱计算程序！欢迎需要的朋友参考！Spectrum calculation program!-Spectrum calculation program! Welcome to the need to refer to a friend
spectrum.tar
- Calulate the spectrum of triangle meshes.
1
- Cognitive radio frequency spectrum detection-The spectrum sensing of a wideband frequency range is studied by dividing it into multiple subbands. It is assumed that in each subband either a primary user (PU) is active or absent in a additive white
kuopin_wangying
- 王颖：数字图像水印 用扩频方法实现数字水印-Wayne Wang: Digital image watermarking method using spread-spectrum digital watermarking
A-Hybrid-transform-domain-spread-spectrum-watermar
- 一种基于混合变换域的双重扩频盲水印算法A Hybrid transform domain spread spectrum watermarking algorithm for the dual-A Hybrid transform domain spread spectrum watermarking algorithm for the dual
spectrum
- 通过matlab实现基于MATLAB的扩频通信系统设计，内容详细，通俗易懂，可供大家使用，互相学习。-Matlab implementation of MATLAB-based spread spectrum communication system design, detailed, easy to understand for everyone to use, learn from each other.
Spectrum-Analyzer
- 这是一个简单的应用，建立了解的Windows音频波形API的基本知识，并得到快速傅立叶变换（FFT）基本掌握。应用程序的特点是：双缓冲图形，采样音频信号源，选择录音源，使用调音台，计算FFT频谱阵列，并绘制采样数据。-This is a simple application built to understand the basics of the Windows Audio WAVE API, and to get a basic grasp on Fast Fourier Transfor