Define circular convolution.
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Tell me the steps involved in demodulating a signal.
What do you mean by ionospheric bending?
What is linear and nonlinear systems?
Define cross correlation and auto-correlation?
Define digital signal.
How do you implement a fourth order Butterworth LP filter at 1kHz if sampling frequency is 8 kHz?
What is discrete time system?
What are recursive and non recursive systems?
Define signal sampling?
When a discrete time signal is called periodic?
What is the basic concept of frequency re-use?
What do you mean by radio environment in building?