Sherman Barton, articles - page 15

Signal Aliased Signal's Frequency
Aliased Signal's Frequency
What is aliased frequency?How do you find aliased frequencies?What is an aliased signal?How does aliasing affect a signal? What is aliased frequency...
Data Reconstruct images from PCA reduced dimensions with NN
Reconstruct images from PCA reduced dimensions with NN
Can you reconstruct from PCA?How does PCA dimension reduction work for images?Can PCA Principal Component Analysis be used for reducing dimension?Can...
Filters How to design a digital filter in python that will run over an uC?
How to design a digital filter in python that will run over an uC?
How digital filters are designed?How do you design digital filters from analog filters? How digital filters are designed?Design of digital filters, ...
With DFT of an audio signal stored as a multi-dimensional array
DFT of an audio signal stored as a multi-dimensional array
What is DFT of a signal?Why DCT is used instead of DFT?What is DFT explain with example?What happens if we apply DFT twice to a signal? What is DFT ...
Random Variance of function of random variable
Variance of function of random variable
How do you find the variance of a function of a random variable?What is the variance of a random variable?What is the variance of a function?What is ...
Wavelet Is there an equivalent of Parseval's theorem for wavelets?
Is there an equivalent of Parseval's theorem for wavelets?
Yes indeed! In theory as long as the wavelet is orthogonal, the sum of the squares of all the coefficients should be equal to the energy of the signal...
Analysis What is an intuitive explanation of cepstrum for a 12-year-old?
What is an intuitive explanation of cepstrum for a 12-year-old?
Why do we use cepstrum?What is Cepstral analysis of speech?How can we obtain cepstrum of a speech signal? Why do we use cepstrum?It serves as a tool...
Cosine Why is the Fourier (or cosine) transform decorrelating?
Why is the Fourier (or cosine) transform decorrelating?
What is the purpose of discrete cosine transform?What is decorrelation in image processing?What are the advantages of discrete cosine transform?Why u...
Amplitude How can I graph the amplitude for a given frequency window over time?
How can I graph the amplitude for a given frequency window over time?
How do you plot amplitude vs frequency?How is amplitude calculated for FFT?What does an FFT graph show? How do you plot amplitude vs frequency?Frequ...