Antonio Schneider, articles - page 20

Taking FFT of a signal with lots of holes
What are the limitations of FFT?How do you overcome the limitation of a Fourier transform?How can I make my FFT more accurate? What are the limitati...
OQPSK vs QPSK envelope query
What is difference between QPSK and OQPSK?Why OQPSK is preferred over QPSK?Is OQPSK constant envelope?What is the advantage of offset QPSK OQPSK comp...
Significance of signal energy in audio?
What is meant by signal energy?What is audio energy?Why is audio signal processing important?What does signal mean in terms of audio? What is meant ...
Why can convolution only be applied to compute the output of a linear filter?
Why convolution is applicable on LTI systems only?Is convolution a linear filter?Can we apply convolution for nonlinear system?Why linear convolution...
What is a periodic signal in image processing?
A periodic signal is one that repeats the sequence of values exactly after a fixed length of time, known as the period. What is periodic and non-perio...
DTFT frequency range
What is the possible range of frequency spectrum for DTFT?What are the frequencies in DFT?What is the frequency range of FFT?How do I get DFT frequen...
Understanding sampling rate conversion
How does sample rate conversion work?Can you convert 44.1 kHz to 48kHz?Why do we use sampling rate conversion?Does sample rate conversion affect soun...
How to discard deviating values from standard deviation and running average
How do you work out the standard deviation of a percentage?How much deviation is accepted?Can standard deviation be expressed as a percentage? How d...
Chi-squared distribution variable spectral analysis
What kind of variables can be analyzed with the chi-square analysis?What type of variable is tested with a chi-squared distribution?What type of data...