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Java图像处理
- 用Java实现的图像教学程序,涵盖大部分基本图像处理技术:(1)图像几何变换(图像翻转、旋转、缩放);(2)色彩变换(灰度直方图,RGB->YSH变换,对比度调整,色彩增强,灰度均衡);(3)卷积(锐化、柔化、边缘提取、中值滤波);(4)频率变换(快速傅立叶fft,小波分解重构)-A teaching program which implements in Java. It includes most essential image processing technology. 1.
FFT
- 自己写的 卷积程序,简单易懂非常方便,适合刚学数字信号处理的人 研究-Writing the convolution own procedures, is very convenient easy-to-read, just fit the study of digital signal processing research people
liner_convolution
- 数字信号处理中实现线性卷积的M文件,包括重叠相加法和重叠保留法-the M documents for achieving a linear convolution in Digital signal processing, including the sum of overlap and duplication of reservation law
zjdwork
- 语音信号滤波程序(低通、带通、多带通、fft卷积滤波 自己动手做的-Voice signal filtering process (low-pass, band-pass, multi-band-pass, fft convolution filtering
MATLAB_DSPexamp_realization
- 各种信号序列的产生和绘制,卷积,FFT进行频谱分析,滤波器的设计(FIP、IIR),-DSP examples realization in matlab.
myjob_zjdwork
- GUI界面,语音信号滤波程序,低通、带通、多带通、fft卷积滤波。-failed to translate
MyDspToolbox
- 使用Matlab Gui实现的数字信号处理常用算法,包括卷积,FFT,FIRIIR数字滤波器设计,最佳滤波器,自适应滤波,卡尔曼滤波等-Implemented using the Matlab Gui commonly used digital signal processing algorithms, including convolution, FFT, FIRIIR digital filter design, the best filters, adaptive filtering, K
fft
- 使用MATLAB对特定信号进行频谱分析,画出幅度和相位谱的图像,并包含卷积运算和验证程序-Using MATLAB on a specific signal spectrum analysis, to draw the image amplitude and phase spectrum, and includes convolution and verification procedures
FFT---xianxingjuanji
- 利用MATLAB 通过FFT计算两个序列的线性卷积序列并输出结果-FFT calculation of the linear convolution of two sequences
fft
- 复数类,复数的加减乘除,线性卷积,FFT蝶形算法,bit reversal-Complex type, complex addition and subtraction, multiplication and division, linear convolution, FFT butterfly algorithm, bit reversal
FFT
- 用DFT实现长序列卷积并用FFT进行信号谱分析-Long sequence convolution using DFT, FFT signal spectrum analysis
fft
- 数字信号处理 FFT变换的应用 快速卷积 ,高斯序列 三角序列 反三角序列-The FFT transform digital signal processing applications fast convolution Gaussian sequence triangle sequence anti-triangular sequence
FFT
- 实现傅里叶算法中的各项特性,如线性特性、频移特性、对称性、循环卷积等-Characteristics of the Fourier algorithm, such as the linear characteristics, frequency shift characteristics, symmetry, circular convolution
fft
- 对信号处理的初学者有用,帮助加深理解卷积与傅里叶变化!-For signal processing useful for beginners, to help deepen understanding of convolution and Fourier transform!
fft
- 计算线性卷积 b.分别用FFT计算它们的5点、6点、8点和10点圆周卷积。 实验程序 -Computing linear convolution b. FFT were used to calculate their 5:00, 6:00, 8:00 and 10:00 circular convolution. Experimental procedures
signal_procesing
- 数字信号处理基于matlab 文件内容 /conv(卷积部分) dupconv 重叠保留法 freqcirconv 频域圆周卷积 freqconv 频域卷积 timecirconv 时域圆周卷积 timeconv 时域卷积 /fft(频域分析部分) d2fft 基2FFT dft DFT最简化程序 dtft DTFT演示 /fir(fir滤波器设计) fir 得到fir滤波器hn getwindow 得到fir滤波器窗函数wn idealfilter 理想滤波器(低通,高通,带通)hdn
signal_procesing2014
- 数字信号处理基于matlab 文件内容 /conv(卷积部分) dupconv 重叠保留法 freqcirconv 频域圆周卷积 freqconv 频域卷积 timecirconv 时域圆周卷积 timeconv 时域卷积 /fft(频域分析部分) d2fft 基2FFT dft DFT最简化程序 dtft DTFT演示 /fir(fir滤波器设计) fir 得到fir滤波器hn getwindow 得到fir滤波器窗函数wn idealfilter 理想滤波器(低通,高通,带通)hdn
short-fft
- 根据卷积定理,两个相乘序列的傅里叶变换等于它们各自傅里叶变换的卷积,加以实现。-According to the convolution theorem, the Fourier transform of the two multiplication sequences is equal to the convolution of their respective Fourier transforms.
FFT
- 三角波和反三角波序列的时域和幅频特性,绘出两序列及其幅频特性曲线,循环卷积,线性卷积(The time domain and amplitude frequency characteristics of the triangle and anti triangle wave sequences are plotted, and the two sequence and its amplitude frequency characteristic curves, cyclic convolutio
数字信号处理实验3
- 一、实验目的 1.掌握DFT频谱分析的原理与编程方法。 2.理解FFT算法的编程思想。 2.熟练掌握利用FFT对信号作频谱分析,包括正确地进行参数选择、画频谱 及读频谱图。 3. 利用FFT频谱分析进行快速卷积和太阳黑子周期性检测。 二、实验环境 1.Windows xp以上操作系统 2.安装MATLAB2007a软件(First, the purpose of the experiment 1. master the principle and programming m