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Identify each statement below as either True(T) or False(F) (20 points total): 1. Power signals are always periodic. 2. When a signal passes through two lossy subsystems, their losses in dB should be multiplied to obtain the total loss. 3. If g(t) is a real-valued function, then the magnitude of its Fourier transform G(f) is even in frequency. 4. The folding frequency of a discrete Fourier transform (DFT) is determined by the total time over which samples are captured. 5. An envelope detector cannot be successfully used to demodulate AM signals with modulation index >1. 6. For a moving receiver, Doppler effect will cause both the frequency and the phase of the received signal to be different from the transmitted signal. 7. Pulses can exist that are both band-limited and ISI-free. 8. Alias distortion results from a non-flat passband shape in the reconstruction filter. 9. Delta modulation is a form of PAM in which the pulse shapes are triangular. 10. If two jointly Gaussian random variables are uncorrelated, they are also independent.

Identify each statement below as either True(T) or False(F) (20 points total): 1. Power signals are always periodic. 2. When a signal passes through two lossy subsystems, their losses in dB should be multiplied to obtain the total loss. 3. If g(t) is a real-valued function, then the magnitude of its Fourier transform G(f) is even in frequency. 4. The folding frequency of a discrete Fourier transform (DFT) is determined by the total time over which samples are captured. 5. An envelope detector cannot be successfully used to demodulate AM signals with modulation index >1. 6. For a moving receiver, Doppler effect will cause both the frequency and the phase of the received signal to be different from the transmitted signal. 7. Pulses can exist that are both band-limited and ISI-free. 8. Alias distortion results from a non-flat passband shape in the reconstruction filter. 9. Delta modulation is a form of PAM in which the pulse shapes are triangular. 10. If two jointly Gaussian random variables are uncorrelated, they are also independent.

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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Identify each statement below as either True(T) or False(F) (20 points total): 1. Power signals are always periodic. 2. When a signal passes through two lossy subsystems, their losses in dB should be multiplied to obtain the total loss. 3. If g(t) is a real-valued function, then the magnitude of its Fourier transform G(f) is even in frequency. 4. The folding frequency of a discrete Fourier transform (DFT) is determined by the total time over which samples are captured. 5. An envelope detector cannot be successfully used to demodulate AM signals with modulation index >1. 6. For a moving receiver, Doppler effect will cause both the frequency and the phase of the received signal to be different from the transmitted signal. 7. Pulses can exist that are both band-limited and ISI-free. 8. Alias distortion results from a non-flat passband shape in the reconstruction filter. 9. Delta modulation is a form of PAM in which the pulse shapes are triangular. 10. If two jointly Gaussian random variables are uncorrelated, they are also independent.
Transcribed Image Text:Identify each statement below as either True(T) or False(F) (20 points total): 1. Power signals are always periodic. 2. When a signal passes through two lossy subsystems, their losses in dB should be multiplied to obtain the total loss. 3. If g(t) is a real-valued function, then the magnitude of its Fourier transform G(f) is even in frequency. 4. The folding frequency of a discrete Fourier transform (DFT) is determined by the total time over which samples are captured. 5. An envelope detector cannot be successfully used to demodulate AM signals with modulation index >1. 6. For a moving receiver, Doppler effect will cause both the frequency and the phase of the received signal to be different from the transmitted signal. 7. Pulses can exist that are both band-limited and ISI-free. 8. Alias distortion results from a non-flat passband shape in the reconstruction filter. 9. Delta modulation is a form of PAM in which the pulse shapes are triangular. 10. If two jointly Gaussian random variables are uncorrelated, they are also independent.
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