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这是本人写的用vc6.0调用matlab6.5的一个程序（使用matlab引擎），实现用FFT分析复谐波信号频谱,并调用matlab来显示最终的频谱。希望对各位有点帮助。也欢迎各位提意见。
matlab位于c:\\matlab6p5
操作系统是：windows2000
-I write this is the call matlab6.5 vc6.0 with a procedure (using Matla b engine) to achieve using FFT an
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关于fft变换的程序,可用于各种时域图的频谱分析,值得试用-on fft transform the procedure can be used to map various time-domain analysis of the spectrum, worth trial
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1.二值图像的fft分析
2.显示频谱图像，频谱的零频率系数被移到频谱中间
3.填充矩阵填充后的情况比较
4.绘图直观形象-1. Binary Image fft analysis 2. Image shows the spectrum, Spectrum coefficient of zero frequency spectrum has been moved to the middle three. Filled Filled matrix compared to the s
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通过stm32 adc采样音频信号进行fft频谱分析-Fft spectrum analysis performed by sampling the audio signal stm32 adc
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本文提出一种基于频率切片小波变换和谱峭度的综合算法。首先对轴承端的振动信号时频分析，采用FFT、包络谱、频率切片小波变换对其频域性能进行分析，再求其峭度谱与对应包络谱，结合其时域、频域性能，综合分析轴承故障。-This paper presents a synthesis algorithm based on frequency slice wavelet transform and spectral kurtosis. Firstly, the time-frequency analysis
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基于labview的频谱分析，简单的fft快速傅里叶变换-Spectrum analysis based on LabVIEW ，
Simple FFT fast Fourier transform
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用平面波展开法计算二维声子晶体带隙,基于kaiser窗的双谱线插值FFT谐波分析，能量谱分析计算。- Computation Method D phononic bandgap plane wave, Dual-line interpolation FFT harmonic analysis kaiser windows, Energy spectrum analysis and calculation.
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FFT子程序编写及应用和FFT对连续信号进行频谱分析,很好-FFT subroutine writing and application and FFT spectrum analysis was carried out on the continuous signal, is very good
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FFT子程序编写及应用和FFT对连续信号进行频谱分析,很好-FFT subroutine writing and application and FFT spectrum analysis was carried out on the continuous signal, is very good
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FFT子程序编写及应用和FFT对连续信号进行频谱分析,很好-FFT subroutine writing and application and FFT spectrum analysis was carried out on the continuous signal, is very good
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对一个元音和一个清辅音进行线性预测分析。LPC系数要分别有5阶，15阶和50阶三种情况，在同一坐标图里用不同颜色分别给出对应的LPC包络谱和FFT频谱，并试着对比分析。-A linear prediction of a vowel and a clear consonant. LPC coefficients should be 5 order, 15 and 50 order three cases, in the same coordinate map with different colo
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FFT子程序编写及应用和FFT对连续信号进行频谱分析,很好-FFT subroutine writing and application and FFT spectrum analysis was carried out on the continuous signal, is very good
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FFT子程序编写及应用和FFT对连续信号进行频谱分析,很好(FFT subroutine writing and application and FFT spectrum analysis was carried out on the continuous signal, is very good)
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用FFT对信号作频谱分析，对不同的序列进行谱分析(Spectrum analysis of signals by FFT)
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该C#源代码软件工程是基于STM32数字示波器/信号发生器/信号分析仪的PC端控制软件，具有显示波形数据（峰峰值、最大值、有效值等），显示波形曲线（回显波形、保存波形等），常用信号（三角波、矩形波等）发生、信号分析（FFT分析、频谱分析等）功能(The C # source code software engineering is based on the STM32 digital oscilloscope / signal generator / signal analyzer PC-sid
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1.利用MATLAB分析非周期信号的频谱
2.观察信号频谱变化验证傅里叶变换性质(1. Analysis of the spectrum of non periodic signals by MATLAB
2. Observe the spectrum change of the signal to verify the Fourier transform property.)
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附件有三个傅里叶变换的程序，都已测试，他们是可用的。并且程序的每个步骤都有详细的说明，简单易懂。(The attachment has three Fourier transform programs that have been tested and they are available. And each step of the program has a detailed descr iption easy to understand.)
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给定了一个初始函数，利用FFT进行频谱分析，如果有自己的采样数据，只需设置采样频率即可实现频谱分析。(Given an initial function, spectrum analysis is carried out by using FFT. If there is one's own sampling data, only setting sampling frequency can realize spectrum analysis.)
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这是一个频谱分析的matlab程序，通过FFT变换,获得采样数据基本信息，时域图，频域图。(This is a spectrum analysis matlab program, through FFT transformation, get the basic information of sampling data, time-domain map, frequency-domain map.)
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用Matlab产生正弦波,矩形波,以及白噪声信号，并显示各自时域波形图
进行FFT变换，显示各自频谱图，其中采样率，频率、数据长度自选
做出上述三种信号的均方根图谱,功率图谱,以及对数均方根图谱
用IFFT傅立叶反变换恢复信号，并显示恢复的正弦信号时域波形图(fft analysis,plot rms spectrum,power density spectrum, etc.)
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