Alexander Ratke, articles - page 29

Stability of system with poles inside unit circle - conflict with differential equation
Is system stable if poles lie on unit circle?Is system stable if poles on imaginary axis?What is stability discuss the effect of location of poles on...
Discrete Fourier Series of square of a signal
What is the Fourier transform of a square?How do you calculate DTFT of a signal?How do you find the discrete Fourier series? What is the Fourier tra...
What do the Contour Levels Produced by Matlab Function Contourc Represent
What does contour function do in MATLAB?What does a contour plot show?How do you find the contour in MATLAB?How do you plot the contour of an equatio...
Why should an image be blurred using a Gaussian Kernel before downsampling?
Gaussian blurring is commonly used when reducing the size of an image. When downsampling an image, it is common to apply a low-pass filter to the imag...
Shifting signal smaller than discrete step
What are the two types of shifting operation can be performed on signals?What is signal shifting?What is a discrete signal? What are the two types o...
Time for a preamble (underwater acoustic communication)
How does underwater acoustic communication work?Which communication system is preferred for underwater communication?What is very high frequency rang...
How to draw a vector between light and dark spots on an image
How do you make a black and white image vector?Is there an app to vectorize an image? How do you make a black and white image vector?To make an imag...
Impulse response of a second order LTI
What is impulse response of LTI system?What is second-order LTI system?What is impulse response in Laplace transform? What is impulse response of LT...
Is sparse signal in time domain is sparse in Frequency domain
What is the difference between time-domain and frequency domain signal?What is meant by sparse signal?What is sparsity in signal processing?Why is si...