Signal Processing

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Awarded 706 times.
What's the noise in this signal ? (Beginner question)
Awarded Apr 15 at 23:50
What's the noise in this signal ? (Beginner question)
Awarded Apr 15 at 21:46
What Kind of Features Can I Extract from a Signal
Awarded Apr 15 at 11:57
Choosing the length of a signal when calculating the FFT
Awarded Apr 8 at 19:16
Does the Nyquist frequency of the Cochlear nerve impose the fundamental limit on human hearing?
Awarded Apr 8 at 16:22
How to implement a moving average in C without a buffer?
Awarded Apr 6 at 10:05
This is how my professor is finding the frequency response of an LTI system when given the impulse response. Is this wrong?
Awarded Apr 4 at 14:11
Gaussian Blur - Standard Deviation, Radius and Kernel Size
Awarded Mar 31 at 2:26
Why LTI system cannot generate new frequencies?
Awarded Mar 24 at 6:11
Realtime fixed point IIR filter implementation in C
Awarded Mar 18 at 14:35
Meaning of Hilbert Transform
Awarded Mar 16 at 21:02
Apply Low pass Butterworth filter in Python
Awarded Mar 12 at 14:55
Why does a longer observation time improve DFT resolution, but repeating a signal does not?
Awarded Mar 6 at 12:04
Proof of time-invariance of continuous-time system
Awarded Mar 5 at 12:10
Why does a longer observation time improve DFT resolution, but repeating a signal does not?
Awarded Mar 4 at 22:32
Why are FIR filters still stable even though they contain poles?
Awarded Mar 4 at 13:05
Is sound the best way to transmit a signal under water?
Awarded Feb 19 at 7:04
Why are QAM Constellations regular and rectangular?
Awarded Feb 17 at 19:04
Delay a signal in time vs in frequency
Awarded Feb 16 at 21:17
Deconvolution - Richardson Lucy vs. Wiener Filter
Awarded Feb 12 at 19:12
Does it make sense to have complex numbers representing real-world audio signals?
Awarded Feb 5 at 5:05
What is the cross-correlation of a WSS signal and the LTI filtered signal?
Awarded Jan 31 at 18:55
Fastest Algorithm for Distance Transform
Awarded Jan 31 at 16:16
How can I compute a log-spaced power spectrum?
Awarded Jan 28 at 19:17
What Is the Difference between Difference of Gaussian, Laplace of Gaussian, and Mexican Hat Wavelet?
Awarded Jan 23 at 21:30
Can the Walsh Hadamard transform be computed for non power of 2 sizes?
Awarded Jan 23 at 3:27
When to consider double (64 bit) floating point for Audio
Awarded Jan 18 at 10:34
the relationship between bandwidth and the datarate
Awarded Jan 17 at 12:36
Which Noise Reduction Algorithms Are Used in Commercial RAW Image Processors?
Awarded Jan 15 at 13:08
Weird behaviour converting velocity to displacement
Awarded Jan 15 at 8:35
Fastest implementation of fft in C++?
Awarded Jan 11 at 5:56
3dB-Cut off frequency of moving average
Awarded Jan 3 at 5:42
How to build a phase shifter with arbitrary phase shift
Awarded Dec 24 '20 at 18:05
Why root raised cosine filter can eliminate intersymbol interference (ISI) ?
Awarded Dec 20 '20 at 2:07
What happens when N increases in N-point DFT
Awarded Dec 19 '20 at 12:32
How to create a distortion compensation filter
Awarded Dec 19 '20 at 8:05
How to build a program that gives you on the fly the chords of the song while listening to it?
Awarded Dec 18 '20 at 15:57
Why should I zero-pad a signal before taking the Fourier transform?
Awarded Dec 17 '20 at 13:11
Position of poles and Stability in $z$ domain
Awarded Dec 15 '20 at 17:19
Why do we need DFT when we already have DTFT?
Awarded Dec 15 '20 at 17:07
Why do we need DFT when we already have DTFT?
Awarded Dec 14 '20 at 13:50
Scale and Rotation invariant feature descriptors
Awarded Dec 12 '20 at 7:12
How can I upsample 22 kHz speech audio recording to 44 kHz, maybe using AI?
Awarded Dec 9 '20 at 10:26
How replicas are formed in Frequency domain when a signal is sampled in Time Domain?
Awarded Dec 9 '20 at 7:33
Are complex exponentials the only eigenfunctions of LTI systems?
Awarded Nov 18 '20 at 13:12
How to learn MUSIC algorithm?
Awarded Nov 11 '20 at 16:20
Applying DFT twice does not actually reverse an array. Instead, the first element stays in place while the rest of the array is reversed. Why?
Awarded Nov 9 '20 at 12:04
Can FFT convolution be faster than direct convolution for signals of large sizes?
Awarded Nov 6 '20 at 18:41
Zero Padding of FFT
Awarded Oct 22 '20 at 9:25
Signal Acquisition in Compressed Sensing
Awarded Oct 22 '20 at 9:25
When to consider double (64 bit) floating point for Audio
Awarded Oct 19 '20 at 20:30
Image processing and the Fourier Transform
Awarded Oct 17 '20 at 15:06
Why can so little digital information be stored on a cassette tape?
Awarded Oct 5 '20 at 22:18
How do real-time convolution plugins process audio so quickly
Awarded Oct 4 '20 at 17:56
How can I design Nyquist interpolation filters with the Parks-McClellan algorithm?
Awarded Oct 2 '20 at 14:03
Quantization SNR of sine wave doesn't match 1.761 + 6.02 * Q
Awarded Oct 2 '20 at 13:57
FFT with asymmetric windowing?
Awarded Sep 30 '20 at 3:50
How does the quantization error generate noise?
Awarded Sep 28 '20 at 1:05
Conjugation in Fourier Transform
Awarded Sep 25 '20 at 19:52
Compensating Loudspeaker frequency response in an audio signal
Awarded Sep 21 '20 at 18:56
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