Howtosignalprocessing
Antonio Schneider, articles - page 12
Integral over power spectral density
What is integral of a PSD?What is power spectral density formula?What is power spectral density?What is the difference between power spectral density...
When to Apply Circular Convolution Formulas?
Where do we use circular convolution?Where are linear and circular convolution applied and why?Why do we use circular convolution in DFT?What is circ...
How is 2D convolution calculated?
How do you calculate convolution in 2D?How does 2D convolution work?How do you calculate convolution of an image? How do you calculate convolution i...
Local noise intensity in an image
How do you determine the noise level of an image?What is SNR in image?What are the types of noise in images?What causes image noise in radiography? ...
FFT error when number of samples growth - Matlab/octave
What is 64 point FFT?Does octave have FFT?What are the disadvantages of FFT? What is 64 point FFT?The 64-point FFT is realized by decomposing it int...
Can every type of linear filter be modelled by a convolution?
No. It's only LTI (Linear and Time-Invariant) systems that can be modeled with convolution through a unique single impulse response. Is convolution a ...
Amplify Sound From Known Direction
Do directional speakers exist?Where does sound get amplified?How does directional sound work? Do directional speakers exist?Directional speaker tech...
Frequency-selective channel Basic in theory
What is frequency selective channel?What is frequency selective fading channel?What are the techniques can be used for reducing the effects of freque...
Image processing vs Computer vision?
Summary. Image processing algorithms transform images in many ways, such as sharpening, smoothing, filtering, enhancing, restoration, blurring and so ...