An energy signal has G(f) = 12. Its energy density spectrum is?

An energy signal has G(f) = 13. Its energy density spectrum is?

 Find the Nyquist rate and Nyquist interval of sin(5πt).

The sampling frequency of a signal is F_s = 5000 samples per second. Find its Nyquist interval.

 The sampling frequency of a signal is F_s = 4000 samples per second. Find its Nyquist interval.

The sampling frequency of a signal is F_s = 6000 samples per second. Find its Nyquist interval.

A signal x(t) = cos(2πf1t) + cos(2πf2t) is sampled at a rate of 12 kHz. If f1 = 600 Hz and f2 = 1200 Hz, what is the frequency of the aliased component?

A signal x(t) = cos(2πf1t) + cos(2πf2t) is sampled at a rate of 4kHz. If f1 = 600 Hz and f2 = 1200 Hz, what is the frequency of the aliased component?

Consider the following system with impulse response h(t) = e^(-t)u(t), where u(t) is the unit step function. If the input to the system is x(t) = 4u(t), find the output y(t) of the system?

 Consider the following system with impulse response h(t) = e^(-t)u(t), where u(t) is the unit step function. If the input to the system is x(t) = 5u(t), find the output y(t) of the system?