Define circular convolution.
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Why is digital communication better than analogue communication?
What is the importance of causality?
Define sampling and aliasing.
Express the discrete time signal x(n) as a summation of impulses.
What do you mean by radio environment in building?
Write a code in C / Verilog to implement a basic FIR filter. Need an answer.
What is sectioned convolution? Why is it performed?
How do you implement a fourth order Butterworth LP filter at 1kHz if sampling frequency is 8 kHz?
What is BIBO stability? What is the condition to be satisfied for stability?
Using four cascaded counters with a total of 8 bits, how many states must be deleted to achieve a modulus of 20,000?
What are recursive and non recursive systems? give examples?
What is an anti aliasing filter? Why is it required?