A symmetric matrix is one where ai j= ajifor all i and j. In other words, [A] = [A]T. Such systems occur commonly in both mathematical and engineering/science problem contexts. Special solution techniques are...

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The Fourier transform of the autocorrelation sequence of any random process gives power spectral density or power spectrum of that signal. The power spectral density is denoted as Pxx(f). Therefore, estimation the power spectral...

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The Processing of discrete time signal at different sampling rates in different parts of a system is called as multirate Digital Signal Processing (DSP). The process of converting a signal from one sampling rate...

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Bilinear Transformation Method: Poles are transformed by using equation, Where, Ts is Sampling Time Mapping is one to one. Aliasing effect is not present. High pass Filter and band Reject Filter can be designed....

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Finite Impulse Response filters are called as non- recursive filters because they do not use the feedback. Different types of windows are used to design FIR filter. We will discuss the design of FIR...

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Bilinear Transformation Method: Poles are transformed by using equation, Where, Ts is Sampling Time Mapping is one to one. Aliasing effect is not present. High pass Filter and band Reject Filter can be designed....

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Impulse Invariant Method: Poles are transferred by using the equation, Where, Pk = P1, P2, P3….. PN are the poles Ts is Sampling Time Mapping is many to one. Aliasing effect is present. It...

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More Tutorials on : Designing Butterworth IIR filter using Bilinear Transformation Technique. Designing Chebyshev filter using Impulse Invariance Technique. Designing Chebyshev filter using Bilinear Transformation Technique.

Convolution is a mathematical process that relates the output of a LTI system to its input and impulse response. where ‘*’ represents commutative convolution operation. Lets see what is Linear and Circular Convolution. Linear Convolution:...

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Discrete Fourier Transform (DFT) Fourier transform means a signal sampled in time and space to the same signal sampled with frequency. Discrete Fourier Transform (DFT) is a finite duration discrete frequency sequence which is...

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