What is impulse response? Explain its significance.
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What do you mean by ionospheric bending?
Define cross correlation and auto-correlation?
What is Nyquist rate?
Define discrete time
Why is digital communication better than analogue communication?
What is BIBO stability?
What is linear and nonlinear systems?
What are FIR and IIR systems?
What are the two methods of sectioned convolution?
How do you implement a fourth order Butterworth LP filter at 1kHz if sampling frequency is 8 kHz?
Write the expression for discrete convolution.
What are recursive and non recursive systems? give examples?