A signal x(t) of finite energy is applied to a square-law device whose output y(t) is defined by y(t) =x^2(t) The spectrum of x(t) is limited to the frequency interval – W lessthanorequalto f lessthanorequalto W. Hence, show that the spectrum of y(t) is limited to-2W lessthanorequalto f lessthanorequalto 2W.

3. 2 - A signal x(t) of finite energy is applied to a square-law device whose output y(t) is defined by y(t) =x^2(t) The spectrum of x(t) is limited to the frequency interval - W lessthanorequalto f lessthanorequalto W. Hence, show that the spectrum of y(t) is limited to-2W lessthanorequalto f lessthanorequalto 2W.

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images - A signal x(t) of finite energy is applied to a square-law device whose output y(t) is defined by y(t) =x^2(t) The spectrum of x(t) is limited to the frequency interval - W lessthanorequalto f lessthanorequalto W. Hence, show that the spectrum of y(t) is limited to-2W lessthanorequalto f lessthanorequalto 2W.

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