搜索资源列表
csharp-picture
- C#开发频域图象处理,其中小波变换,K_L变换有待调整.-C# development of frequency-domain image processing, which wavelet transform, K_L transform subject to adjustments.
LH3
- 一幅图象经过小波变换后为HH、HL、LH、LL四个子带,在小波变换的其中一个子带即h3嵌入水印,LH3为低高频子带 -an image after wavelet transform for HH, HL, LH, LL 4 subband. the wavelet transform of a subband that h3 embedded watermark, LH3 lower high-frequency band
图论讲义
- detcoef2 提取二微小波分解高频系数 appcoef2 提取二维小波分解低频系数 wthresh 进行软阈值或硬阈值处理 wthcoef2 二维信号的小波系数阈值处理 ddencmp 获取在消噪或压缩过程中的默认值阈值-detcoef2 from two high-frequency micro-wave decomposition coefficient appcoef2 extract 2D wavelet decomposition low-frequency coefficient
PhotoKing
- 多种图象编码 其中包括滤波 边缘检测 频域（缚氏变换 小波变换 DCT变换）变换 信噪比-multiple image coding including edge detection filter frequency domain (Fourier transform tied wavelet transform DCT) Transform SNR
CDMA_WITH_DSSS_FHSS
- CDMA 的仿真程序，frequency Hopping Spread Spectrum,Random frequency hopps to form a spread signal-CDMA s simulation program, frequency Hopping Spread Spectrum, Random frequency hopps to form a spread signal
dip_07
- 对图像进行各种频域变换，包括小波变换，FFT变换，DTC变换以及反变换-A variety of image frequency domain transformation, including the wavelet transform, FFT transform, DTC transform and inverse transform
stprtool08oct04
- 贝叶斯参数的推到以及用支持向量机进行分类的有效的程序.非常实用-An effective approach for multi-concurrent fault diagnosis based on integration of fractal exponent wavelet analysis and neural networks is presented.The wavelet transform can accurately localizes the characteristics
ANN-in-maneuvering-target-tracking
- 在机动目标跟踪中，机动目标模型是机动目标跟踪的基本要素之一，一般希望机动目标模型能准确表征目标机动时的各种运动状态。比较常用的模型有匀速运动(CV)模型、匀加速运动(CA) 模型、时间相关模型（Singer）和机动目标“当前”统计模型。上述模型均采用机动频率表征目标的机动情况。在应用当中，通常采用固定的机动频率，这就表示机动目标的机动时间是一定的，而实际上机动目标的机动时间是不断变化的，也就是说机动频率是不断变化的，采用固定机动频率必然会带来误差。采样周期在0.5—2S时，机动频率越小跟踪精度越
tftb2002toolbox
- 主要是关于小波变换方面的工具包，可以利用这些函数进行时频分析。-Mainly on the wavelet transform aspects of a toolkit, we can use these functions for time-frequency analysis.
plusrilinoise
- 基于小波包的带通滤波器设计程序。给出了小波变换的快速算法和重构算法，讨论了应用小波变换进行信号带通滤波的方法，并通过正交小波包对信号的分解，把频率成分复杂的信号分解到各个频带上，根据需要提取指定频率的信号，然后用小波包重构算法对信号进行重构，实现对信号的提取。-Based on wavelet packet band-pass filter design program. Given the fast algorithm of wavelet transform and reconstructi
xiaobo
- 小波变换的程序包，具有多个程序，有很好的实频分析效果-wavelet transform package, with a number of procedures, have a good effect of real-frequency analysis
gabor_image_paper
- Example of a two-dimensional Gabor filterIn image processing, a Gabor filter, named after Dennis Gabor, is a linear filter used for edge detection. frequency and orientation representations of Gabor filter are similar to those of human visual system,
wavelet-transform-using-knn
- 基于双低频小波变换和k近邻分类器的人脸识别算法源程序-Dual low frequency wavelet transform and k-nearest neighbor classifier based face recognition algorithm source
wavelet-analysis-important
- 小波变换是一种非常重要的时频分析方法，研究小波变换对于地震处理研究有着非常重要的作用-wavelet transform is a important tool for time-frequency,which plays an important part in the seismic processing.
wave-time-frequency
- 普通信号都是非线性信号，一般的傅里叶变换无法有效分析，这是利用小波变换方法进行的有效时频分析方法-Common signals are non-linear signal, generally can not be effectively Fourier transform analysis, which is carried out using wavelet transform time-frequency analysis method for the effective
wavelet-dec--rec
- 在理解了离散小波变换的基本原理和算法的基础上，通过设计VC程序对简单的一维信 号在加上了高斯白噪声之后进行Daubechies小波、Morlet小波和Haar小波变换，从而得到小波分解系数；再通过改变分解得到的各层高频系数进行信号的小波重构达到消噪的目的。在这一程序实现的过程中能直观地理解信号小波分解重构的过程和在信号消噪中的重要作用，以及在对各层高频系数进行权重处理时系数的选取对信号消噪效果的影响。-In understanding the basis of discrete wavelet
wavelet-analysis
- 对信号进行小波分析，得到信号的高频信号、低频信号、频谱图等-To signal wavelet analysis, signal, high-frequency signal, the low-frequency signal, spectrum, etc.
wavelet-analysis
- MATLAB 实现小波算法，从振荡曲线中提取其振幅与振荡频率。-To extract the amplitude and frequency a curve based on wavelet analysis method on MATLAB.
wavelet-frequency-check
- this code import ground motion acceleration time series and show its frequency domain and main frequency
Inverse matching pursuit
- 高精度时频变换方法及应用，有效提高了时频变换的稳定性和精度(To inversely transform matching pursuit time-frequency distribution into time signal, a new method for matching pursuit time-frequency representation was proposed by weighting the waveform of the Morlet wavelet by its