搜索资源列表
DSP
- 先采集一单声道音频信号(.wav)并用WAVREAD文件采样读取,并对其进行频谱分析。分别用窗函数法和双线性变换法设计低通、高通、带通三种FIR滤波器和IIR滤波器。用M文件使信号通过滤波器并对输出信号进行时域和频域分析。-First acquisition of a mono audio signal (. Wav) files with sampling WAVREAD read, and their spectral analysis. Window function, respectiv
fli
- 使用MATLAB实现傅立叶变换,绘制信号的幅度频谱和相位频谱。付里叶变换的时域微分特性-Fourier transform using MATLAB implementation, rendering the signal amplitude spectrum and phase spectrum. Fourier transform of time domain differential characteristics
UA12
- 用VB实现正弦波的采集和傅里叶变换。将时域信号变化为频域信号,进而进行幅频域的分析-VB sine wave with the realization of the acquisition and Fourier transform. Time-domain signal will change the frequency domain signal, and then conducted an analysis of amplitude-frequency domain
121114100FFT-IP
- 可以实现FFT的变换域的实现,通过点数的确认,可以实现fft变换 -FFT can achieve the realization of the transform domain, through the confirmation point can be achieved fft transform
lvchenglinnlms
- 这里主要对LMS算法及一些改进的LMS算法(NLMS算法、变步长LMS算法、变换域LMS算法)之间的不同点进行了比较,在传统的LMS算法的基础上发展了LMS算法的应用。另一方面又从RLS算法的分析中对其与LMS算法的不同特性进行了比较,很值得研究!-The key players here and some of the LMS algorithm is an improved LMS algorithm (NLMS algorithm, variable step size LMS algor
DigitalImageProcessingMatlabAlgorithms
- These are Digital Image processing algorithm implementation in Matlabs. Following are the Matlab Codes attached: Butterworth Filter in Frequency Domain Gaussian Filter in Frequency Domain Homomorphic Filter Laplacian Transform Histogram Eq
UWB_Lecture03_v2
- About UWB A co-basis is a special orthonormal basis, of the Hilbert function space, whose base functions are shape-invariant to Fourier transform except for phase shifts known a priori. A notable advantage of the co-basis orthonormal-expansion method
fourier
- 实现傅里叶变换的simulink仿真文件,将信号从时域变换至频域。-Fourier transform simulink realization of simulation files, transform the signal from the time domain to the frequency domain.
Fourieranalysisindiscetetimesystem
- 离散时间傅里叶变换有时也称为序列傅里叶变换。离散时间傅里叶变换实质上就是单位圆上的(双边)Z变换。当时域信号为连续信号时,用连续时间傅里叶变换;为离散信号时,用离散时间傅里叶变换。-Discrete-time Fourier transform is sometimes referred to as sequence Fourier transform. Discrete-time Fourier transform is essentially the unit circle (bilater
auto-powerspectrum
- 自相关函数Rxx(tao)可以了解不同时刻同一随机样本间的波形相似程度。 自功率谱密度函数Sxx(f):反映相关函数在时域内表达随机信号自身与其他信号在不同时刻的内在联系。当随机信号均值为零时,自相关函数和自功率谱密度函数互为傅立叶变换对。 -Autocorrelation function Rxx (tao) can learn the same random sample at different times the degree of similarity between th
gaborwavelet
- Gabor wavelet transform applied to feature extraction of ophthalmic images. We investigate a new approach for measuring ocular refractive errors (astigmatism, near-sightedness and shortsightedness) from images of the human eye [1]. This ap
fulltext_15
- Transform domain distributed video coding with spatial correlations M. B. Badem &W. A. C. Fernando & A. M. Kondoz
CS_MRI
- 压缩感知(compressed sensing,cs)在MRI上的应用,该程序生成傅里叶变换域的射线采样模式用作随机测量-Compressed sensing (compressed sensing, cs) on MRI, the program generates the rays of the Fourier transform domain sampling mode as random measurement
image-fusion-based-on-laplas
- 一种基于拉普拉斯金字塔的图像融合方法,属于变换域方法中的多分辨率分析方法。效果还不错-Based on Laplacian pyramid image fusion method, multi-resolution analysis methods in the transform domain. Results were pretty good
matlab
- 离散傅里叶变换及频谱分析的实验报告,离散时间系统时域、变换域分析的实验报告-Discrete Fourier transform and spectral analysis of the lab report, lab report analysis of discrete-time systems domain, transform domain
shiyan
- 离散时间信号的变换域分析,求信号的单边Z变换,求Z反变换-Transform domain analysis of discrete time signal, unilateral Z transform for the signal, and inverse Z transform
Frequency-Domain-Filtering
- Butterworth Band reject filters remove or attenuate a band of frequencies about the origin of the Fourier transform. The aim is to enhance the image corrupted by sinusoidal noise using Butterworth band reject filter.
Optimal-weight-Fourier-transform
- 均匀线性阵列当阵元间距大于波长的一半时 时,会出现栅瓣,导致空间模糊。类似于时域滤波,天线方向图是最优权的傅立叶变换-Uniform linear array when the array element spacing is greater than half the wavelength time to time, there will be a gate valve, resulting in blurred space. Similar to the time-domain filte
caiyangdingli
- 分数阶傅里叶变换域中的采样定理及采样信号的重构(The sampling theorem of the fractional Fourier transform domain and signal reconstruction)
[Experimental_Code_Data]_Deep-Photo-Enhancer
- 一般的图像增强方法根据增强处理过程所在的空间不同,可分为基于空域和频域的方法。基于空域的方法直接对图像进行处理;基于频域的方法是在图像的某种变换域内对图像的变换系数进行修正,然后再反变换到原来的空域,得到增强的图像。(Generally, image enhancement methods can be divided into spatial and frequency domain methods according to the spatial difference of the enha