Rolando Purdy, articles - page 15

Signal Proof regarding the periodicity of a continuous-time sinusoid after sampling
Proof regarding the periodicity of a continuous-time sinusoid after sampling
What is the condition of periodicity for a continuous time signal?Is the output always periodic when sampling a continuous time signal if not why?How...
Negative Fourier Spectra Significance of the Negative Amplitude [duplicate]
Fourier Spectra Significance of the Negative Amplitude [duplicate]
What is the significance of negative frequencies?What does a negative value in FFT mean?Why there is negative frequency in Fourier transform?Can Four...
Gamma Localized Gamma Correction
Localized Gamma Correction
What is meant by gamma correction?How is gamma correction calculated?What is inverse gamma correction?What is gamma correction in printing? What is ...
Frequency The frequency-domain spectrum obtained using MATLAB's FFT function seems inaccurate
The frequency-domain spectrum obtained using MATLAB's FFT function seems inaccurate
How can I make my FFT more accurate?How to scale FFT in Matlab?How do you find the frequency range in FFT?Why frequency domain is better than the tim...
Frequency How do I decide which frequencies are signal and which are noise?
How do I decide which frequencies are signal and which are noise?
How can you distinguish a signal from a noise?How do you find the frequency of noise?What is a frequency of a noise signal?How do you calculate signa...
Correlation Cross-correlation of filtered random processes
Cross-correlation of filtered random processes
Can filtering operation effect the auto correlation of a signal?What is correlation function of random process?How does cross-correlation work in ima...
Audio Audio processing for audio files quick listening
Audio processing for audio files quick listening
What are the two types of audio processing?What is audio data processing? What are the two types of audio processing?There are 2 types of audio comp...
Homography Finding Homography Matrix Using Lines
Finding Homography Matrix Using Lines
How is homography matrix calculated?How to calculate homography matrix in OpenCV?Why do you need 4 points for homography? How is homography matrix c...
Frequency Is frequency resolution (bin size inverse) always directly proportional to sampling duration (window length)?
Is frequency resolution (bin size inverse) always directly proportional to sampling duration (window length)?
How increasing frequency resolution decreases time resolution?How do you increase frequency resolution in spectrogram?How does FFT length affect the ...