Francisco Leffler, articles - page 22

What should my reference value be when converting FFT bin amplitudes to dB?
How do you convert FFT to decibels?How do you normalize FFT amplitude?How is amplitude calculated for FFT?How do you convert FFT to frequency? How d...
Filtering out different narrow-band frequencies at once
Which filter shows narrower band width?What is narrow band filter?Which type of filter lets a narrow band of frequencies around the cutoff through?Wh...
Demonstrate the mean of the sample variance
What is the variance of the mean of a sample?How do you calculate the variance of a distribution of sample means? What is the variance of the mean o...
When a stochastic process would be a beneficial model in terms of noise
What is white noise in stochastic processes?What are stochastic processes used for?What are all the four types of stochastic process?What is a stocha...
Remove background noise from audio file (python or matlab)
How do I remove background noise from audio in python?How do I remove background noise in Matlab? How do I remove background noise from audio in pyt...
How to determine the filter type based on the impulse response?
How do you calculate filter impulse response?What are the types of digital filter according to their impulse response?How do I know if my filter is F...
Breaking down a higher order filter to simple cascade of averages
What is a high order filter?How are the higher order filters formed using low pass filter?When high pass and low pass filters are cascaded then?What ...
N-dimensional Cooley-Tukey FFT
Is Cooley Tukey fast Fourier transform divide and conquer?How does Cooley Tukey work?What problem does the Cooley Tukey fast Fourier transform algori...
Method for the Localisation of Impulsive Noise in Speech Signal
How do you remove impulse noise?What is impulsive noise in communication?What are the types of noise in signal processing? How do you remove impulse...