### Questions (49)

 14 Why do we say that "zero-padding doesn't really increase frequency resolution" 12 STFT and DWT (Wavelets) 10 Moving average vs. Moving median 5 Upper Bound for the DFT (FFT) Coefficients of a Bounded Signal 5 Estimating the Impulse Response of the Room Using Sweep Signal Microphone Recorded Signal (Input & Output of a Convolution)

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 3 Get the frequency response curve from FIR filter coefficients + sampling rate 3 FFT to spectrum in decibel 2 Given the 4 corners of two QR codes on a photographed sheet of paper, can we get a deskewed rectangular image? 2 inquiries for writing continuous wavelet transform codes manually 2 Obtain a signal's peak value if it's frequency lies between two bin centers

### Tags (64)

 4 python × 8 2 frequency-response × 8 3 filters × 26 2 wavelet × 4 3 finite-impulse-response × 3 2 image-processing × 2 2 filter-design × 19 2 corners × 2 2 frequency-spectrum × 10 2 matlab

### Bookmarks (32)

 107 Why is it a bad idea to filter by zeroing out FFT bins? 58 What is the physical meaning of the convolution of two signals? 33 Hilbert transform to compute signal envelope? 28 What Is the Best First Order IIR (AR Filter) Approximation to a Moving Average Filter (FIR Filter)? 27 Which time-frequency coefficients does the Wavelet transform compute?