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紧支撑小波基的构造。
以Daubechies小波滤波器系数为例,推导出小波函数及尺度函数,并画出其图像.
void Convolution(double* pShortData, int nShort, double* pLongData, int nLong)
int CalcScaleFunction(double* pOutData)
int CalcWaveletFunction(double* pOutData)
Convolution()不是通用的离散卷积代码,而
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这是一个基于opencv的高斯空域滤波的函数,使用了掩膜遍历进行卷积。-This is a Gaussian spatial filter based on opencv function through the convolution with the mask.
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用fir滤波器处理处理外部输入的音频信号,通过卷积处理,模数变换后,将输入的音频信号和fir滤波器的卷积值输出给DSP-Fir filter processing with external input audio signal processing, through the convolution processing, analog-digital conversion, the input audio signal and the convolution of fir filter out
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verilog实现的基带信号编码,整个系统分为六个模块,分别为:时钟模块,待发射模块,卷积模块,扩频模块,极性变换和内插模块,成型滤波器,verilog implementation baseband signal coding, the entire system is divided into six modules, namely: the clock module, to be launched modules, convolution module, spread spectrum m
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一个圆周卷积的代码~调用形式为y=juanji(h,x1,M) 其中,h和x1为输入,h为滤波器系数,x1为输入采样信号,输出为y,M为输入信号x1的长度。-A circular convolution of the code to call the form of y = juanji (h, x1, M) of them, h, and x1 for the input, h for the filter coefficient, x1 sampling input signals, o
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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
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数字信号处理的课后编程作业,要求是实现FFT变换,信号的卷积,还有数字滤波器的设计。前两个是VB编写的可执行文件,后面一个是VC的源程序,希望对大家有用
-Digital signal processing of after-school programming operations, the requirements for achieving FFT transform, the convolution signal, as well as digital filter design.
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实现wav文件的滤波,先将一个wav文件读到一个数组中去,也把滤波器的冲击函数放在一个数组中,然后进行卷积。-Wav files to achieve the filter, first read a wav file to an array, but also the impact of the filter function in an array, and then proceed to convolution.
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This routine performs a 1-D Periodic Orthogonal Wavelet decomposition. It also performs the row decomposition component of a 2-D wavelet transform. An input signal x[n] is low pass and high pass filtered and the resulting signals decimated by factor
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(1) 先由原始图像(任选)产生待恢复的图像;(产生方法如下:冲激函数为 ,将原始图像与冲激函数卷积产生模糊,然后再迭加均值为0,方差为8,16,32的高斯随机噪声而得到一组待恢复的图像。分别用逆滤波和维纳滤波恢复模糊后的图像。-(1) The first be the original image (optional) produces the image to be restored (generated as follows: impulse function, the original
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bmp图像数字处理;图像信息的统计:直方图,最大最小灰度,熵,方差,平均灰度;灰度变换:分段线性变换,阈值,直方图的均衡化;中值滤波(加噪声),梯度算子;数字卷积,增加一个过滤类;几何变换:旋转,几何校正
-bmp image digital processing image information of the statistics: histogram, max-min gray, entropy, variance, average gray gray-scale transfor
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q713是低通滤波器及傅里叶变换时域卷积定理验证,q714是用符号工具箱解z变换问题-q713 is a low-pass filter and the Fourier transform time-domain convolution theorem verification, q714 is symbolic toolbox solution of the problem z transform
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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
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NAME:
bpass
PURPOSE:
Implements a real-space bandpass filter which suppress
pixel noise and long-wavelength image variations while
retaining information of a characteristic size.
CATEGORY:
Image Processing
CALLING SEQUENCE
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1、观察采样引起的混叠。
2、判别离散时间系统的时不变性。
3、利用卷积计算信号通过FIR滤波器的输出,并观察输出信号的input-on暂态、input-off暂态和稳态阶段。
-One to observe the sampling due to aliasing. 2, determine the time invariant discrete-time systems. 3, the use of convolution calculation of the signal th
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我做的关于数字信号处理的matlab实验。主要是卷积运算的实现和滤波器设计。-I have done on the digital signal processing matlab experiment. Is mainly the realization of convolution and filter design.
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功能还不大清楚,不是本人开发的-Convolution of an arbitrary 1D complex signal with an arbitrary filter kernel
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Convolution of an arbitrary 1D complex signal with an arbitrary filter kernel
Author: Mario Tuerschmann
please read the .txt files before using.
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基于DSP5416的FIR滤波器设计实验,先用MATLAB产生冲击响应H(n),然后和输入数据进行卷积。-The FIR filter design based on DSP5416 experiment, the first impulse response generated using MATLAB H (n), then the input data and convolution.
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This a Wavelet Transform of the C++ Code.It has two-way approch. Convolution/Lifting using CDF9/7 filter-This is a Wavelet Transform of the C++ Code.It has two-way approch. Convolution/Lifting using CDF9/7 filter
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