Question 1
Marks : +2 | -2
Pass Ratio : 100%
According to the sampling theorem for low pass signals with T1=1/B, then what is the expression for us(t) = ?
Explanation: To reconstruct the equivalent low pass signals. Thus, according to the sampling theorem for low pass signals with T1=1/B .
Question 2
Marks : +2 | -2
Pass Ratio : 100%
What is the expression for low pass signal component us(t) that can be expressed in terms of samples of the bandpass signal?
Explanation: The low pass signal components us(t) can be expressed in terms of samples of the
Question 3
Marks : +2 | -2
Pass Ratio : 100%
What is the expression for low pass signal component uc(t) that can be expressed in terms of samples of the bandpass signal?
Explanation: The low pass signal components uc(t) can be expressed in terms of samples of the
Question 4
Marks : +2 | -2
Pass Ratio : 100%
What is the final result obtained by substituting Fc=kB-B/2, T= 1/2B and say n = 2m i.e., for even and n=2m-1 for odd in equation x(nT)= \\(u_c (nT)cosâ¡2Ï€F_c nT-u_s (nT)sinâ¡ 2Ï€F_c nT\\)?
Question 5
Marks : +2 | -2
Pass Ratio : 100%
According to the sampling theorem for low pass signals with T1=1/B, then what is the expression for uc(t) = ?
Explanation: To reconstruct the equivalent low pass signals. Thus, according to the sampling theorem for low pass signals with T1=1/B.
Question 6
Marks : +2 | -2
Pass Ratio : 100%
Which low pass signal component occurs at the rate of B samples per second with odd numbered samples of x(t)?
Explanation: With the odd-numbered samples of x(t), which occur at the rate of B samples per second, produce samples of the low pass signal component us.
Question 8
Marks : +2 | -2
Pass Ratio : 100%
What is the reconstruction formula for the bandpass signal x(t) with samples taken at the rate of 2B samples per second?
Explanation: \\(\\sum_{m=-\\infty}^{\\infty}x(mT)\\frac{sinâ¡(Ï€/2T) (t-mT)}{(Ï€/2T)(t-mT)} cosâ¡2Ï€F_c (t-mT)\\), where T=1/2B
Question 10
Marks : +2 | -2
Pass Ratio : 100%
Which low pass signal component occurs at the rate of B samples per second with even numbered samples of x(t)?
Explanation: With the even-numbered samples of x(t), which occur at the rate of B samples per second, produce samples of the low pass signal component uc.