Rolando Purdy, articles - page 37

Magnitude Correct magnitude spectra of a cosine DFT?
Correct magnitude spectra of a cosine DFT?
How do you find the magnitude of DFT?What is the magnitude of DFT?How do you find the magnitude of a spectrum?What is DFT of cosine? How do you find...
Sample How do I resample an audio signal without altering its pitch?
How do I resample an audio signal without altering its pitch?
How do you change sample rate without changing pitch?Does resampling affect pitch?How do you pitch shift without slowing down? How do you change sam...
Circular Why do we need circular convolution?
Why do we need circular convolution?
Why do we learn circular convolution?Why do we use circular convolution in DFT?Where do we use circular convolution?What is the importance of linear ...
Phase Is it possible to recover a waveform from spectrograms of magnitude *and* phase?
Is it possible to recover a waveform from spectrograms of magnitude *and* phase?
How is the magnitude of frequencies represented in a spectrogram?What is phase in spectrogram?What is the difference between a waveform and a spectro...
Inverse Result of inverse FFT is sometimes shifted in real space
Result of inverse FFT is sometimes shifted in real space
What does an inverse FFT do?How do you inverse Fast Fourier Transform?What is the relationship between FFT and IFFT?What is inverse discrete Fourier ...
Causality Causality as applied to capacitors
Causality as applied to capacitors
What is causality in electrical engineering?What is causality in signal processing?What is the importance of causality in DSP? What is causality in ...
Step Need a better step detection algorithm
Need a better step detection algorithm
How does step detection work?Can accelerometer count steps?What is a step change in statistics? How does step detection work?Most of the current ste...
Transfer Should block diagrams in Direct Form 1/2 contain empty branches to fit structure?
Should block diagrams in Direct Form 1/2 contain empty branches to fit structure?
How do you find the transfer function of a block diagram? How do you find the transfer function of a block diagram?Step 1 − Find the transfer functi...
Fundamental Finding the fundamental frequency of a periodic signal
Finding the fundamental frequency of a periodic signal
How do you find the fundamental frequency of a function?What is fundamental frequency? How do you find the fundamental frequency of a function?If th...