搜索资源列表
spectrum
- 信号的频谱分析函数,输入复信号,fft的长度和Fs,可以直接输出信号频谱图。-Signal spectrum analysis function, the input complex signal, fft length and Fs, can be directly output signal spectrum.
example-of-the-use-fpga-in-fft_core
- 本程序实现了在FPGA中使用FFT—IPcore做频谱分析功能。-Realized by the use of the FPGA FFT-IPcore do spectrum analysis.
Matlab
- 该程序采用MATLAB软件编写,能够很好的实现快速傅里叶的频谱分析。-The program using MATLAB writing software, can achieve a good FFT spectrum analysis.
spectrum-leakage-and-window-function
- 信号分析与处理中的频谱泄露现象及窗函数的作用-Signal analysis and processing of the spectrum leakage phenomenon and the role of window function
FFTandTestInBCB
- FFT算法用标准C++实现,具有实数FFT变换函数、复数FFT变化函数,以及频谱分析功能。并给出了该算法在C++Builder环境下测试代码。-This file contains a few FFT routines, including a real-FFT routine that is almost twice as fast as a normal complex FFT, and a power spectrum routine when you know you d
3.1
- matlab设计程序用FFT对信号作频谱分析-matlab program designed to make the signal with the FFT spectrum analysis
Data-processing
- 基于FFT的功率谱分析程序设计与应用 2)对实验所采集的转子振动信号进行频谱分析 2.讨论: 1) 信号经过均值化处理或不经过均值化处理的结果比较 2)采用不同窗函数时的谱结果(矩形窗函数, 汉宁窗函数,汉明窗) 3)典型函数的频谱(矩形窗函数, 汉宁窗函数,直线,阶跃函数,δ函数,方波,三角波等) 4)整周期和非整周期采样时两者的比较 5)讨论实验结果 -Based on the FFT power spectrum analysis
matlabwenjian
- 我们对离散时间信号进行傅里叶变换和频谱分析。-We do the discrete time signal FFT and spectrum analysis
digtial-processing
- 数字信号处理方面的珍贵资料,非常适合初学者用,包括傅立叶变化,窗函数,FFT,频谱分析等-this is a useful tool for the new comer,in here you can see many useful things
pinxiang
- 将一个激振结构测得的时域信号fft变换,频谱分析,的到频谱图。-Fft transform of the time-domain signal, spectrum analysis
ZoomFFT
- 基于复解析带通滤波器的复调制细化选带频谱分析方法-zoom fft
FFxiangweicha
- 基于傅里叶分析的信号延时测量,采用FFT方法,对同一频率的两个信号进行频谱分析,测得相位差-Delay measurements based on Fourier analysis of signals using the FFT method for spectral analysis of the two signals of the same frequency, the measured phase difference
shiyan3
- matlab上机实验用fft对信号作频谱分析-Signal using the fft spectrum analysis
fft_test
- TMS320VC5509A实现fft变换,输出信号频谱分析结果。-TMS320VC5509A fft transform the output signal spectrum analysis.
hibert
- 该程序绘制了仿真信号的FFT频谱和功率谱,并调用emd分析方法,绘制了emd分解结果,以及瞬时包络和瞬时频率图,还有Hilbert-Huang谱和Hilbert边际谱。-Program to draw the FFT spectrum of simulation signal and power spectrum call the emd analysis method, drawn emd decomposition, as well as instantaneous envelope and
sEmgAnalysis
- 对数据进行频谱分析的程序。对数据进行FFT运算,并画出频谱图。-Spectrum analysis of the the surface electromyography collected data. Demonstrates painting curve graph and FFT.
matlab-fourier
- Matlab编程实现FFT变换及频谱分析的程序代码,很有用涂的,可以实现-Matlab Programming FFT transform and spectral analysis of the program code, useful for coating can be achieved
FFTSim.m
- 仿真FFT参数对采用FFT算法分析信号频谱的影响。产生频率分别为2Hz,2.05Hz的正弦波合成信号,采样 频率=10Hz。根据(8-8)式,要实现分辨两个单频信号的目的,DFT的序列长度必须满足 。分别仿真3种 情况下的FFT变换:1)取 的128点数据,计算FFT;2)将128点 以补零的方式加长到512点,计算FFT; 3)取512点 ,计算FFT-fft simulation matlab
qqsh1.9.0
- 用FFT和DFT对波形进行时域和频谱分析并计算-Using FFT and DFT for time domain waveform and frequency spectrum analysis and calculation
matlab_fft
- Matlab编程实现FFT实践及频谱分析-matlab fft