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Fill in the blank In modulation and demodulation technology, the low-frequency signal controlling high-frequency oscillation is called (i) oscillation signal carrying low-frequency signal is called (ii). signal, and the high-frequency _signal.

Fill in the blank In modulation and demodulation technology, the low-frequency signal controlling high-frequency oscillation is called (i) oscillation signal carrying low-frequency signal is called (ii). signal, and the high-frequency _signal.

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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Don't need to explain, but please answer all the question. Fill in the blank In modulation and demodulation technology, the low-frequency signal controlling high-frequency oscillation is called (1) oscillation signal carrying low-frequency signal is called (ii) signal, and the high-frequency signal. 3. For a damped system, only the (_) resonant frequency is equal to the natural frequency of the system. A) Displacement B) Speed C) Acceleration D) Displacement and velocity 4. It's wrong to say that the film is about compensation (). A) The performance parameters of the compensation piece and the working piece are exactly the same B) The material of the compensation sheet is the same as that of the tested part C) The compensation piece and the working piece shall be placed as close as possible and must be pasted on the measured object. D) The working piece and compensation piece are connected to the adjacent bridge arm 5. There are ( ) working bridge arms in half bridges. A) one B) two C) three D) four
Transcribed Image Text:Don't need to explain, but please answer all the question. Fill in the blank In modulation and demodulation technology, the low-frequency signal controlling high-frequency oscillation is called (1) oscillation signal carrying low-frequency signal is called (ii) signal, and the high-frequency signal. 3. For a damped system, only the (_) resonant frequency is equal to the natural frequency of the system. A) Displacement B) Speed C) Acceleration D) Displacement and velocity 4. It's wrong to say that the film is about compensation (). A) The performance parameters of the compensation piece and the working piece are exactly the same B) The material of the compensation sheet is the same as that of the tested part C) The compensation piece and the working piece shall be placed as close as possible and must be pasted on the measured object. D) The working piece and compensation piece are connected to the adjacent bridge arm 5. There are ( ) working bridge arms in half bridges. A) one B) two C) three D) four
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