frequency-spectrum

  1. LTI system phase response given $z$-transform
  2. Minimum possible sampling frequency for continuous time signal

  3. How to make sense of audio file's $\textrm{dBFS}$?

  4. Relationship between the Real and Imaginary parts of a LTI causal system

  5. 1/3 Octave Analysis
  6. Frequency measurement from acoustic emission sensor data(VDC RMS)

  7. MATLAB : How to filter a data signal

  8. Spectrogram, time vs frequency localization, and length of signal

  9. What Kind of Night Vision Can See Infrared Signals
  10. Spectral subtraction - Python
  11. What is the effect of the natural logarithm in the frequency domain?

  12. Increasing the number of points in the frequency spectrum

  13. relationship of column of spectrogram to original signal

  14. Interpolation formula for two dimensional signal reconstruction in the frequency domain from polar samples

  15. Mixed time/frequency domain data

  16. Determine modulation function from spectrum?

  17. Are there algorithms to invert a magnitude spectrum?
  18. Is the Auditory Spectrogram the same as the Magnitude Spectrogram?

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

  20. Plotting frequency spectrum
  21. Filtering of complex exponential functions
  22. How to reduce frequency resolution for high sampling rate and lot of samples?
  23. Spurious When $F_s/F$ is not an integer
  24. What's the difference between using DFT, IDFT or DCT to calculate cepstrum of a power spectrum?

  25. Frequency resolution of DFT
  26. Explanation of fundamental filtering's consequences on signal

  27. Piece Wise Function For Triangular Filter for MFCC
  28. Mel filter triangular filter bank for calculating mfcc coefficients
  29. Which is the difference in between the different STFT implementations? (Overlap-shift with zero-padding, overlap-add, overlap-save, etc)
  30. Spectogram of a signal
  31. equivalency between cross-spectrum and covariance of band-limited analytic signals

  32. Measuring vibrato rate of a sung note

  33. Relation between samplingrate and frequency

  34. symmetrical wav audio in time domain and Phase spectrum significance

  35. Confused on the difference between the frequency spectrum of an entire song, and the frequency spectrum of a point in time
  36. low frequency issue with noise spectrum (of derivative)
  37. Combine FFT's of shorter length than sample data to get spectrum of all data
  38. Does "keying on" a sine wave at a zero-crossing reduce its bandwidth?
  39. Why do poles in the left half of the S plane make a system stable?

  40. Welch spectrogram

  41. FFT frequency question
  42. Analysing mp3 quality with spectrum, how to interpret the results?

  43. Spectrum analysis of a function

  44. What is the amplitude range of a spectrogram?
  45. Fourier Transformed a signal $f(t) = \cos(2\pi*4t)*5\cos(2\pi*0.4t)$ but did not get expected results. What went wrong?
  46. DOA estimation; Music (Multiple Signal Classification) algorithm
  47. How does the bandlimit of an image reduce by an octave in Gaussian Pyramid procedure?

  48. Relation between Power Spectral Density and RMS of the signal

  49. Dimension of the output of Spectral Entropy functon

  50. Speaker equalization for white noise
  51. How i can create ghost on wavelet or seismic trace and then Deghosting that in MATLAB?

  52. minimum SNR requirements for maximum likelihood frequency estimation

  53. Understanding why spectral flatness cannot be computed

  54. Why zeroes near the unit circle cause a dip in frequency response, while poles cause a peak?

  55. Prove the dirac delta contains all frequencies

  56. Filtering out negative frequencies

  57. How to design an interpolated notch filter in Python to filter powerline harmonics

  58. Confused about minimum resolvable frequency in nonuniform spectrum

  59. How to calculate spectrogram from nonstationary, nonuniformly sampled signal

  60. Phase distortion of frequency warping by using Praat

  61. speaker calibration for broadband white noise between 5 and 20 kHz
  62. Link between LTI systems and square-integrable functions eigenfunctions

  63. Plotting frequency spectrum for a signal with 20MHz bandwidth and sampling frequency of 12.5GHz
  64. Efficient frequency determination
  65. Why is one of the modulated frequency spikes smaller?
  66. Rapid changes in signal correspond to high frequencies - proof

  67. Finding notes played in an audio clip
  68. Difference between single sided and double sided amplitude spectrum

  69. Problem with extracting formant from voiced frame

  70. Linear Frequency Cepstral Coefficients, is Filter bank needed?
  71. Difference between Fine and Coarse Frequency Offset in OFDM
  72. Visualize the spectrum of a $433\textrm{ MHz}$ signal in MATLAB

  73. Variance of N samples of Noise

  74. Plotting the spectrum of a continuous sinusoid function

  75. Complex Morlet function and DWT

  76. Amplitude cutoff following FFT
  77. Understanding spectra in polyphase filter banks

  78. FFT of sine signal with phase discontinuities

  79. Amplitude and phase spectrum in MATLAB

  80. Compute RMS value of non-stationary signal

  81. Is it possible to transmit and/or receive multiple types of signals at the same time?

  82. What is the correct way to do Short term Fourier transform and extract the phase information from local sections of a signal?
  83. Signal processing techniques for an accelerometer signal?

  84. Fourier transform
  85. The DTFT of $\{1,1\}$ is $1+e^{-j\omega}$ but what is the DTFT of $\{1,-1\}$?
  86. Dominant frequencies of QRS complex
  87. How can I measure the harmonicity of an audio spectrum?
  88. Hilbert Huang Transform: Negative value in instantaneous frequency

  89. Multi-taper Coherence, With Tapers=1
  90. Algorithm to identify pitch-shifted recordings?
  91. Sine Wave spectrum showing multiple frequencies - Audacity
  92. Extracting curve of audio file's fft
  93. Frequency vector and fft

  94. NMR spectrum deconvolution on Matlab
  95. Can we calculate moments (mean, var, skewness, kurtosis) of a signal in frequency domain?
  96. Is this a robust method for analysing correctness of a filtered signal? Is there a more robust method?

  97. Signification of alternating signs of imaginary and real part of an FFT

  98. Difference between frequency components and harmonic components - Fourier

  99. Why do we use window in time domain rather than do FFT modify the spectrum and than inverse FFT
  100. How do I modulate complex time domain signal to a carrier frequency?