<we><edit> <!-- questions and answers -->
downsampling
smoothing
interpolation
frequency-response
estimation
fft
real-time
nyquist
speech
self-study
algorithms
fourier
filters
machine-learning
sound
eeg
reference-request
spectrogram
signal-analysis
continuous-signals
correlation
demodulation
control-systems
noise
audio
frequency-spectrum
LTI system phase response given $z$-transform
frequency-spectrum
z-transform
frequency-response
homework
Minimum possible sampling frequency for continuous time signal
frequency-spectrum
continuous-signals
nyquist
How to make sense of audio file's $\textrm{dBFS}$?
fft
signal-analysis
audio
frequency-spectrum
Relationship between the Real and Imaginary parts of a LTI causal system
frequency-spectrum
frequency-response
transfer-function
hilbert
1/3 Octave Analysis
filters
frequency-spectrum
signal-analysis
power-spectral-density
Frequency measurement from acoustic emission sensor data(VDC RMS)
fft
frequency-spectrum
acoustics
sensor
adc
MATLAB : How to filter a data signal
matlab
fft
frequency-spectrum
window-functions
filtering
Spectrogram, time vs frequency localization, and length of signal
frequency-spectrum
time-frequency
spectrogram
stft
What Kind of Night Vision Can See Infrared Signals
image-processing
frequency-spectrum
Spectral subtraction - Python
frequency-spectrum
noise
What is the effect of the natural logarithm in the frequency domain?
fft
frequency-spectrum
ifft
downsampling
Increasing the number of points in the frequency spectrum
frequency-spectrum
convolution
window-functions
fourier
deconvolution
relationship of column of spectrogram to original signal
matlab
fft
frequency-spectrum
spectrogram
signal-synthesis
Interpolation formula for two dimensional signal reconstruction in the frequency domain from polar samples
frequency-spectrum
sampling
interpolation
reconstruction
polar
Mixed time/frequency domain data
filters
frequency-spectrum
time-frequency
Determine modulation function from spectrum?
frequency-spectrum
distortion
Are there algorithms to invert a magnitude spectrum?
frequency-spectrum
spectrum-estimation
Is the Auditory Spectrogram the same as the Magnitude Spectrogram?
frequency-spectrum
spectrogram
Fourier Transform of a Pulse Train (Frequency Comb Simulation)
matlab
fft
frequency-spectrum
Plotting frequency spectrum
fourier-transform
frequency-spectrum
fourier-series
Filtering of complex exponential functions
frequency-spectrum
homework
How to reduce frequency resolution for high sampling rate and lot of samples?
fft
frequency-spectrum
Spurious When $F_s/F$ is not an integer
matlab
fft
signal-analysis
frequency-spectrum
sampling
What's the difference between using DFT, IDFT or DCT to calculate cepstrum of a power spectrum?
fourier-transform
frequency-spectrum
dsp-core
cepstral-analysis
Frequency resolution of DFT
frequency-spectrum
dft
Explanation of fundamental filtering's consequences on signal
filters
frequency-spectrum
fourier-series
fourier
fundamental-frequency
Piece Wise Function For Triangular Filter for MFCC
fft
signal-analysis
frequency-spectrum
computer-vision
mfcc
Mel filter triangular filter bank for calculating mfcc coefficients
fft
signal-analysis
frequency-spectrum
Which is the difference in between the different STFT implementations? (Overlap-shift with zero-padding, overlap-add, overlap-save, etc)
fft
frequency-spectrum
dft
python
stft
Spectogram of a signal
frequency-spectrum
spectrogram
equivalency between cross-spectrum and covariance of band-limited analytic signals
frequency-spectrum
cross-correlation
hilbert
complex
Measuring vibrato rate of a sung note
signal-analysis
audio
frequency-spectrum
Relation between samplingrate and frequency
fourier-transform
audio
frequency-spectrum
fourier
symmetrical wav audio in time domain and Phase spectrum significance
frequency-spectrum
phase
speech
symmetry
Confused on the difference between the frequency spectrum of an entire song, and the frequency spectrum of a point in time
fourier-transform
frequency-spectrum
time-frequency
time-domain
low frequency issue with noise spectrum (of derivative)
fft
frequency-spectrum
noise
Combine FFT's of shorter length than sample data to get spectrum of all data
fft
frequency-spectrum
log-chirp
Does "keying on" a sine wave at a zero-crossing reduce its bandwidth?
signal-analysis
fourier-transform
frequency-spectrum
bandwidth
spectral-efficiency
Why do poles in the left half of the S plane make a system stable?
frequency-spectrum
laplace-transform
Welch spectrogram
signal-analysis
frequency-spectrum
python
stft
scipy
FFT frequency question
fft
audio
frequency-spectrum
Analysing mp3 quality with spectrum, how to interpret the results?
audio
frequency-spectrum
spectrogram
Spectrum analysis of a function
fourier-transform
frequency-spectrum
What is the amplitude range of a spectrogram?
audio
frequency-spectrum
spectrogram
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?
matlab
signal-analysis
fourier-transform
frequency-spectrum
DOA estimation; Music (Multiple Signal Classification) algorithm
discrete-signals
signal-analysis
frequency-spectrum
power-spectral-density
music
How does the bandlimit of an image reduce by an octave in Gaussian Pyramid procedure?
image-processing
frequency-spectrum
computer-vision
downsampling
Relation between Power Spectral Density and RMS of the signal
frequency-spectrum
Dimension of the output of Spectral Entropy functon
frequency-spectrum
feature-extraction
Speaker equalization for white noise
matlab
fft
frequency-spectrum
filter-design
equalization
How i can create ghost on wavelet or seismic trace and then Deghosting that in MATLAB?
fft
signal-analysis
frequency-spectrum
wavelet
amplitude
minimum SNR requirements for maximum likelihood frequency estimation
frequency-spectrum
estimation
maximum-likelihood-estimation
Understanding why spectral flatness cannot be computed
fft
frequency-spectrum
scipy
Why zeroes near the unit circle cause a dip in frequency response, while poles cause a peak?
frequency-spectrum
digital-communications
frequency-response
poles-zeros
Prove the dirac delta contains all frequencies
fourier-transform
frequency-spectrum
fourier
Filtering out negative frequencies
filters
frequency-spectrum
How to design an interpolated notch filter in Python to filter powerline harmonics
fft
frequency-spectrum
filter-design
python
scipy
Confused about minimum resolvable frequency in nonuniform spectrum
matlab
frequency-spectrum
frequency
spatial
nonuniform
How to calculate spectrogram from nonstationary, nonuniformly sampled signal
matlab
frequency-spectrum
spectrogram
spatial
nonuniform
Phase distortion of frequency warping by using Praat
fft
audio
frequency-spectrum
phase
speaker calibration for broadband white noise between 5 and 20 kHz
fft
frequency-spectrum
sound
equalization
Link between LTI systems and square-integrable functions eigenfunctions
frequency-spectrum
hilbert
Plotting frequency spectrum for a signal with 20MHz bandwidth and sampling frequency of 12.5GHz
matlab
frequency-spectrum
ofdm
Efficient frequency determination
fft
fourier-transform
frequency-spectrum
Why is one of the modulated frequency spikes smaller?
frequency-spectrum
sampling
modulation
Rapid changes in signal correspond to high frequencies - proof
signal-analysis
frequency-spectrum
Finding notes played in an audio clip
fft
frequency-spectrum
frequency
algorithms
Difference between single sided and double sided amplitude spectrum
fft
frequency-spectrum
amplitude
Problem with extracting formant from voiced frame
frequency-spectrum
speech
poles-zeros
linear-prediction
Linear Frequency Cepstral Coefficients, is Filter bank needed?
signal-analysis
frequency-spectrum
cepstral-analysis
Difference between Fine and Coarse Frequency Offset in OFDM
frequency-spectrum
frequency
ofdm
Visualize the spectrum of a $433\textrm{ MHz}$ signal in MATLAB
matlab
fft
frequency-spectrum
sdr
Variance of N samples of Noise
image-processing
fourier-transform
frequency-spectrum
sampling
dsp-core
Plotting the spectrum of a continuous sinusoid function
frequency-spectrum
continuous-signals
Complex Morlet function and DWT
frequency-spectrum
wavelet
Amplitude cutoff following FFT
fft
frequency-spectrum
noise
amplitude
r
Understanding spectra in polyphase filter banks
frequency-spectrum
polyphase
FFT of sine signal with phase discontinuities
fft
frequency-spectrum
Amplitude and phase spectrum in MATLAB
matlab
discrete-signals
frequency-spectrum
Compute RMS value of non-stationary signal
fft
filters
discrete-signals
signal-analysis
frequency-spectrum
Is it possible to transmit and/or receive multiple types of signals at the same time?
frequency-spectrum
digital-communications
modulation
software-implementation
sdr
What is the correct way to do Short term Fourier transform and extract the phase information from local sections of a signal?
discrete-signals
fourier-transform
frequency-spectrum
stft
Signal processing techniques for an accelerometer signal?
fourier-transform
frequency-spectrum
stft
Fourier transform
fourier-transform
frequency-spectrum
frequency-domain
fourier-series
The DTFT of $\{1,1\}$ is $1+e^{-j\omega}$ but what is the DTFT of $\{1,-1\}$?
frequency-spectrum
fourier
dtft
Dominant frequencies of QRS complex
fft
frequency-spectrum
ecg
How can I measure the harmonicity of an audio spectrum?
audio
frequency-spectrum
noise
Hilbert Huang Transform: Negative value in instantaneous frequency
frequency-spectrum
transform
hilbert
Multi-taper Coherence, With Tapers=1
frequency-spectrum
continuous-signals
window-functions
coherence
Algorithm to identify pitch-shifted recordings?
frequency-spectrum
frequency
pitch
Sine Wave spectrum showing multiple frequencies - Audacity
frequency-spectrum
frequency
Extracting curve of audio file's fft
fft
audio
frequency-spectrum
python
c#
Frequency vector and fft
fft
matlab
frequency
frequency-spectrum
NMR spectrum deconvolution on Matlab
fft
frequency-spectrum
deconvolution
Can we calculate moments (mean, var, skewness, kurtosis) of a signal in frequency domain?
fft
discrete-signals
signal-analysis
frequency-spectrum
statistics
Is this a robust method for analysing correctness of a filtered signal? Is there a more robust method?
signal-analysis
frequency-spectrum
filtering
deconvolution
Signification of alternating signs of imaginary and real part of an FFT
fft
signal-analysis
frequency-spectrum
python
Difference between frequency components and harmonic components - Fourier
fourier-transform
frequency-spectrum
fourier-series
fourier
Why do we use window in time domain rather than do FFT modify the spectrum and than inverse FFT
filters
frequency-spectrum
filter-design
window-functions
analog
How do I modulate complex time domain signal to a carrier frequency?
matlab
frequency-spectrum
power-spectral-density