Alexander Ratke, articles - page 19
How to Prove a System Is Invertible?
A system is invertible if distinct inputs lead to distinct outputs, or if an inverse system exists. That is, if we can get back the input or by passin...
Time derivative of signal - effect on noise distribution
Why does differentiation increase noise?Does differentiation amplify noise?What is the derivative of a time function?What is the derivative with resp...
Spectrogram Time Resolution with Overlap
What is time resolution for a spectrogram?How do you find the resolution of a spectrogram?Why do we use overlap in FFT?What is FFT overlap? What is ...
What happens when the frequencies of the signal does not lie within the reconstruction filter passband?
What does a reconstruction filter do?Which type of filter is required for reconstruction of the signal from its samples?Is it always possible to reco...
Comparing arithmetic complexity of FFT radix-2 and convolution
What is the advantage of radix 2 FFT algorithm in comparison with the classical DFT method?What is difference between radix 2 and radix 4 FFT?What is...
Does there exist a simple regression method to fit a single sinusoid period to a data set?
What is a sinusoidal regression model?What is sinusoidal regression used for? What is a sinusoidal regression model?Sinusoidal regression finds a tr...
Blind source separation from microphone array
What is blind audio source separation?What is a microphone array?What is microphone vs microphone array?Is microphone array internal mic? What is bl...
Explanation a flat fading channel in case MIMO OFDM
What is flat fading channel?What is flat channel?What is the major difference between flat fading and frequency selective fading channel?What is freq...
Inverse system of a box function
What is inverse of a system?What is the inverse system in DSP?How do you find the inverse of an LTI system? What is inverse of a system?In words, th...