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QUESTION 19 Which of the followings is true? The concept of "power efficiency" may be useful for O A. multiplexing. O B. convoluted multiplexing. O C. non-linear modulation. O D. linear modulation.

QUESTION 19 Which of the followings is true? The concept of "power efficiency" may be useful for O A. multiplexing. O B. convoluted multiplexing. O C. non-linear modulation. O D. linear modulation.

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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QUESTION 19 Which of the followings is true? The concept of "power efficiency" may be useful for O A. multiplexing. O B. convoluted multiplexing. O C. non-linear modulation. O D. linear modulation. QUESTION 20 Which of the followings is true? For a sinusoidal message, under FM, O A. For an FM spectrum, its central component is not always the largest. O B. For an FM spectrum, its central component is always the largest because the complex exponential becomes maximum for a zero exponent. O C. For an FM spectrum, its central component is always the largest. O D. For an FM spectrum, its central component is not always the largest because Bessel function is maximum at its zeroth order. QUESTION 21 Which of the followings is true? O A. Bessel function is governed by its order and phase. O B. Bessel function is governed by its order and argument. O C. Bessel function is governed by its magnitude and phase. O D. Bessel function is governed by its order and magnitude.
Transcribed Image Text:QUESTION 19 Which of the followings is true? The concept of "power efficiency" may be useful for O A. multiplexing. O B. convoluted multiplexing. O C. non-linear modulation. O D. linear modulation. QUESTION 20 Which of the followings is true? For a sinusoidal message, under FM, O A. For an FM spectrum, its central component is not always the largest. O B. For an FM spectrum, its central component is always the largest because the complex exponential becomes maximum for a zero exponent. O C. For an FM spectrum, its central component is always the largest. O D. For an FM spectrum, its central component is not always the largest because Bessel function is maximum at its zeroth order. QUESTION 21 Which of the followings is true? O A. Bessel function is governed by its order and phase. O B. Bessel function is governed by its order and argument. O C. Bessel function is governed by its magnitude and phase. O D. Bessel function is governed by its order and magnitude.
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