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filter
- filter about FFT and microsoft wave audio
paper01
- A FFT-based partial matched filter (PMF) acquisition threshold setting method for fast GPS acquisition is presented. Normal distribution and numerical fitting technique instead of real decision variable (DV) distribution are used in derivatio
1191286763
- 信号处理中常用的算法,本程序实现了fft和ifft的运算 ... ·Bayesian Filter.贝叶斯(Bayesian ·一个目标跟踪系统的MATLAB 源程序包-Commonly used in signal processing algorithms, this program achieved the fft and ifft computing ... · Bayesian Filter. Bayes (Bayesian · a target tracking system MAT
pipeilvbo
- 匹配滤波器的实现。主要是通过fft变化使输出自相关最大,在通过滤波器。-Matched filter implementation. Mainly through changes in the output autocorrelation fft the largest through the filter.
highpassfilter
- 问题是高切滤波或低通滤波,如果采用硬件实现,速度最快,但是现在计算机速度这么快,硬件实现起来相对麻烦,成本高,且灵活性性差, 软件实现相对方便多了,具体体的操作步骤如下(频率域) 先对数据作正FFT,再对变换后的频域数据乘以滤波因子,滤波因子的选择有理想高通、巴特沃斯高通、指数高通、梯形高通,一般选择梯形高通滤波因子,具体原因你可从数字信号处理的书上找到,,接下来将数据再作逆FFT就是了,还有就是在空间域作滤波,这里有一个带同滤波的程序的程序,你可参考一下,(将低切参数设为零就是
Filter-based_single-carrier_frequency_domain_equal
- 研究了基于滤波器组的单载波频域均衡技术的基本原理和实现方法,通过系统对比基于滤波器组的方法与基于FFT方法的异同之处,从其产生的机理上阐明了基于滤波器组的单载波频域均衡技术能够克服FFT 方式的主要缺点的原因-Of filter-based single-carrier frequency domain equalization technology, the basic principle and method, through the system, filter-based approa
FIRIIR
- 本文档里含有诸多c++文件,其功能实现有FIR滤波,IIR滤波,,还有正弦曲线,还实现了128点FFT,DFT-This document contains a lot of c++ file, its function to achieve a FIR filter, IIR filtering, as well as the sine curve, but also to achieve a 128-point FFT, DFT
The-discrete-Fourier-transform
- 介绍了离散傅里叶变换的原理,DFT,FFT,的相关内容,最后介绍的数字滤波器的原理及分类-Describes the discrete Fourier transform theory, DFT, FFT, relevant content, finally introduced the principle of the digital filter and classification
FFTlvbo
- 对信号进行FFT变换,再将特定的频率段滤波滤除,最后描绘出滤波前后的振幅谱以及滤波后的时间域信号。-FFT transformation on the signal, then the specific frequency segment filter to filter out, and finally depict a time domain signal after the amplitude spectrum before and after filtering and filterin
DSP-Applications-using-C-a-TMS320C6x-DSK-(Chassai
- C. S. BURRUS and T. W. PARKS: DFT/FFT AND CONVOLUTION ALGORITHMS: THEORY AND IMPLEMENTATION JOHN R. TREICHLER, C. RICHARD JOHNSON, JR., and MICHAEL G. LARIMORE: THEORY AND DESIGN OF ADAPTIVE FILTERS T. W. PARKS and C. S. BURRUS: DIGITAL FILTE
digital-signal-processing--matlab
- matlab下的数字信号处理程序的示例,包括 信号、系统和系统响应 用FFT进行信号的频谱分析 窗函数法设计FIR滤波器 IIR滤波器的实现等- examples of digital signal processing, including under matlab signal, the system and the system response signal using the FFT spectral analysis window FIR filter design funct
pmffft.pdf
- 采用匹配滤波器和FFT结合的伪码捕获方案-Matched filter and FFT using a combination of pseudo-code acquisition scheme
fft_fir_filter
- FFT-based FIR Filter is a unit to perform the finite impulse responce filter based on the Fast Fourier Transform (FFT). It performs the convolution of the unlimited signal sequence with the synthesized impulse responce of the length of Ni=N/2 samples
rectangular
- 信号经fft变换后通过一个矩形窗滤波器,再通过ifft变换到时域-After the signal is converted by a fft rectangular window filter, and then transformed into the time domain by ifft
energy-leakage--dual-tree
- 首先根据高斯白噪声频率充满整个频带的特性,通过双树复小波包变换对高斯白噪声进行分解,利用频带能量泄漏的定量分析方法,验证了双树复小波包变换具有较低的频带能量泄漏特性;其次利用双树复小波包变换逐层分解信号,对每层分解所得分量求其FFT谱的峭度,得到基于双树复小波包变换的谱峭度图,根据图中峭度最大的原则,可以自动准确的选择信号分解最佳层数和最佳分量;最后将基于双树复小波包变换的谱峭度图的故障诊断方法应用于实际工程中,对齿轮故障振动信号进行分析,选择最佳分解层数和分量后利用希尔伯特包络解调,有效准确地
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
Filter-by-using-DSP-Lib
- stm32 cortex-m4的dsp库,包括各种滤波算法,例如FIR、IIR以及FFT等-dsp library of stm32 with cortex-m4 core which includes varies of algorithm like fir/IIR and fft etc
SPPP3.0PUserPGuide
- SP++3.0手册,C++库的信号处理库,包括信号产生,FFT,滤波器设计,频谱分析,小波变换-SP++ 3.0 Manual, C++ library signal processing including signal generation, FFT, filter design, spectrum analysis, wavelet transform
F28335-DSP-
- 张掌柜讲F28335系列之CCS4.2 数字信号处理实验(FFT、FIR、IIR、自适应滤波器) - 副本-Zhang treasurer speak CCS4.2 F28335 Series Digital Signal Processing Experiment (FFT, FIR, IIR, the adaptive filter)- copy