傅里叶分析

  • 网络Fourier analysis;FFT;DFT
傅里叶分析傅里叶分析
  1. 线阵CCD视频输出信号傅里叶分析与滤波参数设计

    Fourier Analysis of Video Output Signal of Linear CCD and Filter Parameter Design

  2. 含未知参数的多分量Chirp信号的分数阶傅里叶分析

    The Fractional Fourier Analysis of Multicomponent Chirp Signals with Unknown Parameters

  3. HL-1装置热脉冲传播的傅里叶分析

    Fourier analysis of sawtooth heat pulse propagation in the HL-1 TOKAMAK PLASMA

  4. 在传统傅里叶分析的基础上,给出了一种实时傅里叶分析的方法,并针对DSP控制系统,运用了滑窗迭代的计算方法。

    Real time Fourier analysis is introduced on the basis of traditional Fourier analysis . APF uses a slippage iterative calculation method to suit DSP control system .

  5. 利用Saber仿真的傅里叶分析,选择出最佳的低频调制信号范围。

    The best range of modulate frequency is chosen by Fourier analysis of Saber simulation .

  6. 讨论了用空间傅里叶分析法确定托卡马克等离子体MHD磁扰动模式的方法。

    The simulation results indicate that the spatial Fourier analysis is a better method to determine the MHD perturbation mode in tokamak .

  7. TCD傅里叶分析可反映老年人脑血管的功能状态,并可做为鉴别老年人药物性头痛的一种可靠的方法。

    TCD Fourier analysis can reflect functional state of senile people ' brain blood vessel , and It is a reliable method of judging senile drug headache .

  8. 利用菲涅耳-基尔霍夫光栅衍射原理和傅里叶分析方法,对具有分形结构互补Sierpinski地毯光栅的夫琅和费衍射现象进行了探讨。

    The Fraunhofer diffraction phenomenon on the complementary structure of Sierpinski carpet grating is discussed on the basis of Fresnel-Kirchhoff theory and Fourier analytical method .

  9. 利用C++Builder语言完成了应用程序模块、信号采集模块和端口操作模块的编写,通过调用MATLAB引擎,实现了对采样信号的傅里叶分析和图形绘制功能。

    In this system ,( C + + ) Builder is used to complete the application programming , the signal collecting and the interface operating module , MATLAB engine is invoked to realize the spectral analyses module about the stator current signal and the drawing function .

  10. 因此,傅里叶分析以及建立在其基础上的短时傅里叶变换、Wigner-Ville分布和小波变换等不能很好地分析非线性、非平稳信号的问题。

    Therefore , Fourier analysis and such based on it : the short-time Fourier transform , Wigner-Ville distribution and wavelet transform analysis can not well analyse non-linear , non-stationary signal problem .

  11. 从傅里叶分析到小波分析:回顾与发展

    From Fourier Analysis to Wavelet Analysis : Recall and Development

  12. 用傅里叶分析法诊断电力电子电路的故障

    Fault diagnosis of power electronic circuits with discrete fourier transform

  13. 双光栅莫尔条纹的傅里叶分析

    Fourier analysis of moire stripe produced by double - grating

  14. 变换样条函数及其短时傅里叶分析

    Transform Spline Function and Its Short Time Fourier Analysis

  15. 小波分析与傅里叶分析的比较及其在故障诊断中的应用

    The comparison of wavelet and fourier analysis and their application to fault diagnosis

  16. 光磁盘读出信号的傅里叶分析及模拟

    Fourier Analysis and Analogue of Magneto-Optic Disc Readout Signal

  17. 变系数曲线支承矩形厚板自由振动的傅里叶分析

    Fourier analysis on free vibration of rectangular thick plates with variable elastic curved supports

  18. 窗口傅里叶分析法的非正弦电功率实时测量

    Analyzed method of windowed Fourier transform for real time measurement of non-sinusoidal electric power

  19. 同时,也对信号进行傅里叶分析。

    At the same time , analyze the signal with FFT method . 4 .

  20. 三表面干涉条纹空域傅里叶分析

    Spatial Fourier Fringe Analysis with Single Three-Surface Interferogram

  21. 台阶光栅衍射效率的傅里叶分析

    Fourier analysis to diffraction efficiency of step gratings

  22. 阿贝&波特实验的简化傅里叶分析

    The brief Fourier analysis of Abbe-Porter experiment

  23. 电力系统故障信号的短时傅里叶分析及其应用

    Application of Short Time Fourier Transform to the Fault Signal Analyses in HV Transmission Line

  24. 傅里叶分析是将声音分解为正弦波的数学方法。

    Fourier analysis is the mathematical method used to break sounds down into sine waves .

  25. 因此我们在对地震随机噪声进行频率分析时,传统的傅里叶分析方法已经不适用。

    So traditional FFT method isnot applicable for the frequency analysis of seismic random noise .

  26. 谈傅里叶分析与小波分析

    On Fourier Analysis and Wavelet Analysis

  27. 彩虹全息图成象的傅里叶分析

    Fourier analysis of rainbow holographic imaging

  28. 阻尼振动的傅里叶分析

    Fourier analysis of damped vibration

  29. 中医脉象信号的短时傅里叶分析

    STFT Analysis of Pulse Signals

  30. 晶体结构傅里叶分析法

    Fourier analysis of crystal structure