Alexander Ratke, articles - page 17

Evaluate performance of FFT Windows
How does windowing affect FFT?What is window size in FFT? How does windowing affect FFT?You can minimize the effects of performing an FFT over a non...
Multi Resolution STFT for audio
What is Stft in audio?What is Stft spectrogram? What is Stft in audio?DFT converts a sequence (discrete signal) into its frequency constituents just...
What effect does rotation in the spatial domain has on phase in Fourier transforms?
Is Fourier transform a rotation?What is phase angle in Fourier transform?Is Fourier transform rotation invariant?What are four important properties o...
Design of efficient digital interpolation filter
What is the effect of interpolation on filter design?What is interpolation filter? What is the effect of interpolation on filter design?The interpol...
What is the point spread function and optical transfer function and what uses are they in image processing
What is the point spread function of an image?What is optical transfer function in image?What is meant by point spread function? What is the point s...
How to decode a Barker code
What is Barker code used for?Is Barker code used for spread spectrum? What is Barker code used for?Barker codes are used for pulse compression of ra...
DCT vs DFT why do we need/want phase?
Why use DCT instead of DFT?What is the main difference between DCT and DFT?Is DCT better than DFT?What is phase DFT? Why use DCT instead of DFT?>...
On generalizing Gabor-Heisenberg uncertainty in a noisy environment
What is uncertain in the Heisenberg Uncertainty Principle?Which two characteristics are variables in Heisenberg's uncertainty principle?Why does the ...
Temporal smoothing FWHM of Gaussian kernel vs. window length of moving average
What is Gaussian kernel smoothing?How does a smoothing kernel work? What is Gaussian kernel smoothing?The Gaussian smoothing operator is a 2-D convo...