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用matlab中的FFT函数实现了正弦信号
- 用matlab中的FFT函数实现了正弦信号,矩形信号,和白噪声的频谱分析,FFT with matlab function in a sinusoidal signal, the rectangular signal, and white noise spectrum analysis
FFT.rar
- 用FFT做谱分析的实验代码,附有详细的实验说明和源代码以及对实验现象的分析,FFT spectrum analysis done using the experimental code, with detailed experimental descr iptions and source code as well as the analysis of experimental phenomena
xiangWeiCha
- 是一些 数字相关法的论文 1.FFT法与数字相关法在相位测量上的比较.pdf 2.采用数字相关法测量相位差.pdf 3.基于FFT谱分析算法的高精度相位差测量方法.pdf 4.基于Hilbert变换的相位测量法与数字相关测相法的比较.pdf 5.基于虚拟仪器技术和互相关原理的相位测量仪.pdf 6.数字化相位差测量算法的研究.pdf 7.相位差的数字化测量研究.pdf 8.虚拟仪器测量周期信号相位的仿真设计.pdf-Are some figures
fft
- 这是求信号功率谱密度的程序,并且对功率谱进行了归一化。-fft
fft
- FFT频谱分析,包括矩形波,三角波,及其功率谱-FFT spectrum analysis
基于fft的频谱分析
- 基于fft的频谱分析程序。硬件由dsp实现,数据通过串口送至计算机进行频谱分析显示。 附两篇文档!-based on the spectral analysis procedures. Hardware Implementation by dsp, data sent to the computer through the serial spectrum analysis shows. A two documents!
fft
- 复倒谱分析及最小相位法实验,用MATLAB编程实现求取复倒谱,在求取复倒谱的过程中采用最小相位法避免相位卷绕。 -err
fft
- 本文件包含三个小程序,分别为用fft实现功率谱估计、实现快速卷积和快速相关。对了解fft在c中的编程很有帮助-This document contains three procedures were used to achieve power spectrum estimation fft, fast convolution and fast correlation. Fft to know programming in c in the helpful
FFT
- 对信号进行采样,信号范围20hz-10khz,采样频率20480hz,采样点数1024点,分辨率20hz,用c8051f020内部12位ad进行转换,对转换的数据做fft,可以求出总功率和功率谱-Sampling of the signal, the signal range of 20hz-10khz, sample rate 20480hz, sampling 1024 points, the resolution of 20hz, with 12 ad internal c8051f020
fft
- matlab 数字图像信号的频域分析及仿真 将二维数字图像进行傅立叶频域分析,并且做了图像幅度谱重建和相位谱重建,通过这个例子大家可以明白相位比振幅更重要。-matlab digital image signals in frequency domain analysis and simulation of two-dimensional digital image Fourier frequency domain analysis, and has done a reconstructio
matlab-DSP
- 包括信号系统和系统响应,FFT谱分析,双线性法设计IIR数字滤波器,窗函数法设计FIR数字滤波器,四部分matlab仿真程序,以及必要的说明。-Including the signal system and the system response, FFT spectrum analysis, bilinear Design of IIR digital filters, window function method for the design FIR digital filters, fou
fft
- fft处理及频谱图绘制、均方根谱图、功率谱、IFFT谱图等matlab的绘制程序-fft processing and display
fft
- 该文件为功率谱估计的一个子程序,对广大读者很有帮助,现在拿出来和大家一起分享下-The file is a subroutine power spectrum estimation of readers helpful, and now share with everyone out under
fft
- 数字信号处理matlab实验用FFT做谱分析源代码,可放心使用-Experiment with digital signal processing matlab FFT spectrum analysis to do source code can be freely used
FFT
- 计算信号的谱特性,包括频谱特征及功率谱特征。-Calculate the spectral characteristics of the signal, including spectral characteristics and power spectral features.
fft-filter
- 该程序为傅立叶变换,用来将时域信号进行频域信号分析,保护功率谱、能量谱等。-The program for the Fourier transform, time-domain signal to the frequency domain signal analysis, to protect the power spectrum, the energy spectrum.
FFT-(2)
- 实现FFT谱分析,并进行全相位FFT谱与传统FFT谱的比较-To achieve FFT spectrum analysis, and comparison of all phase FFT spectrum with the traditional FFT spectrum
第二章-平稳随机过程的谱分析
- 介绍了平稳随机过程及功率谱相关理论 ● 傅里叶变换能否应用于随机信号? ● 相关函数与功率谱的关系 ● 功率谱的应用 ● 采样定理 ● 白噪声的定义(The stationary random process and the theory of power spectrum correlation are introduced.)
Matlab-FFT
- 通过Matlab实现FFT变换(包括单边谱及双边谱)(Implementation of FFT transform (including single side spectrum and bilateral spectrum) through Matlab)