fft

  1. Differences between FFT from acceleration, velocity and displacement data of a dynamic system
  2. Estimation of filter response
  3. Question about convolution in time and frequency domain

  4. How to shift a signal on the $y$-axis to match another signal in MATLAB

  5. Decimation and Upsampling

  6. Harmonic Component, FFT
  7. Distribution of energy in frequency bands
  8. How to make sense of audio file's $\textrm{dBFS}$?

  9. Is there a faster algorithm about this type of FFT

  10. Updating FFT algorithm accordingly when upsampling/resampling
  11. Creating an Hexagonal pattern that matches wavelength obtained from Fourier Transform

  12. Optimal windowed FFT with minimal update

  13. FFT analysis for Vibration Signal

  14. FFT of ecg signals

  15. Memory shortage when using scipy.io.wavfile and scipy.signal

  16. low pass filter in fft
  17. Efficient calculation of correlation function every $N^{\rm th}$ point

  18. Interpreting dataset of a power spectrum

  19. Matching LPC frequency response to raw sample data frequency response

  20. What is the meaning of “Number of Cycles” in the FFT analysis tool SIMULINK
  21. Verification of all steps needed to extract MFCCs from raw audio data

  22. Frequency measurement from acoustic emission sensor data(VDC RMS)

  23. Filtering odd and even frequencies

  24. How FTTW factorizes array length?

  25. MATLAB : How to filter a data signal

  26. Chirp signal FFT

  27. Effect of Hanning Window on phase of FFT

  28. Turning values from the FFT into a real/complex Fourier Series (MATLAB)
  29. Frequency at which the maximum amplitude occurs of a signal
  30. What is the effect of the natural logarithm in the frequency domain?
  31. Trying to implement MATLAB $\tt pwelch$ in Python
  32. IR estimation with cross correlation
  33. signal transformed using FFT, remove some magnitude in certain frequency, and back transformed using IFFT, is it possible?
  34. harmonics of a signal and FFT

  35. relationship of column of spectrogram to original signal
  36. Can STFT (Short-time Fourier Transform ) be more useful than FFT for analyzing stationary signals under some circumstances?

  37. How does a Hermitian FFT work in Numpy?
  38. Hamming Window, python 2.7
  39. the dominant frequency is overwritten in every iteration using matlab code

  40. Finding Repetetion rate of ns pulsed waveforms
  41. Realize Simulink block "Ideal ADC Quantizer" in Matlab
  42. Welch's overlapped method for amplitude by frequency estimation
  43. Correlation using FFT/IFFT (fast convolution) in Java - not centered

  44. What type of FFT is used on the modulator in this vocoder implementation?
  45. What are best practices to compute an audio spectrogram?

  46. cross spectral power density calculation and normalization
  47. Remove a known wav file from recorded file

  48. Filtering $n\times n$ images by separable $m\times m$ filters. Computation time for filtering using FFT, 2-D convolution, and two 1-D convolutions

  49. Is there a means to identify/separate multiple out of phase copies of the same frequency?

  50. Python FFT (average) Hanning spectrum size 4096 and 50% overlap
  51. Filter size vs. FFT size and Overlap add

  52. Fourier Transform of a Pulse Train (Frequency Comb Simulation)

  53. How do you save/convert an image to be in the frequency domain?
  54. Subtracting signals to re-construct the middle

  55. Interpreting the FFT results of a structural vibration problem

  56. analysis of two static images in FFT and time domain

  57. How to reduce frequency resolution for high sampling rate and lot of samples?
  58. Feature extraction of FFT for one-class SVM
  59. Implementing convolution with fftw

  60. How to set sampling frequency of an acceleration data set

  61. frequency domain zero padding in OFDM
  62. How do I perform Spectral Analysis (FFT, Windowing, Detrending) on Sonic Anemometer Data?
  63. Spurious When $F_s/F$ is not an integer

  64. What is the right way to extract particular frequency phase information from FFT?

  65. Problems Using FFT to Compute Impedance in a Model Neuron

  66. Calculate the harmonics in the power supply of $50\textrm{ Hz}$ using FFT

  67. fast fourier transform frequency limit
  68. number of FFT points
  69. Calculation of cosine in frequency domain instead of calculatin in time-domain followed by a FFT
  70. Aquila DSP C++ Library - Wave file FFT analog frequency off by factor of 4?
  71. Intuitive explanation of cross-correlation in frequency domain
  72. Finding if data in array is periodic
  73. Piece Wise Function For Triangular Filter for MFCC
  74. Mel filter triangular filter bank for calculating mfcc coefficients

  75. How to do an FFT of a line profile obtained by imagej?

  76. Which is the difference in between the different STFT implementations? (Overlap-shift with zero-padding, overlap-add, overlap-save, etc)
  77. FFT of resultant of signals

  78. Understanding overlapping in STFT
  79. SNR estimation: signal with unknown amplitude and Gaussian noise
  80. Recovering a DSSS signal with poor clock synchronization

  81. understanding Euler's Formula for twiddle factor

  82. Can I get amplitude (peak to peak) from FFT?

  83. Help me interpret unwrapped phase information from music files

  84. What is a frequency bin?

  85. How can I increase the zero-padding on the DFT?

  86. How do I implement cross-correlation to prove two audio files are similar?
  87. Baby Cry Sound detection

  88. Harmonics after sinusoidal subtraction

  89. Memory requirements for FFT on STM32F103C8
  90. Digital 16-bit PCM audio signal scaling and STFT spectogram amplitude

  91. Frequency Modulated Continuous-Wave (FMCW) Radar Doppler resolution
  92. How to interpret the effect of different windows in short time fourier transform?
  93. How to demodulate DSB-SC

  94. FFT calculation problem
  95. Is Wavelet Transform better than FT if I'm only interested in knowing the frequencies and not interested of when did they happen?

  96. How to choose the frequency grid when using DFT with numpy (FFT)

  97. Why is doing fft on a non-stationary signal a problem?

  98. Vibration Acceleration Analysis with FFT and inverse FFT

  99. How to label sound events in noisy .wav files

  100. Reverse the execution order of Radix-4 (Cooley & Tukey algorithm)