Which of the following is a drawback to direct FM systems?
A) Preserving both the amplitude and frequency characteristics of the intelligence.
B) Maintaining the frequency stability of the transmitter.
C) Narrowband FM systems occupy less bandwidth.
D) Modulation index for FM systems is stable.
Correct Answer:
Verified
Q14: Why would a lightning strike be a
Q15: _and phase modulation are interrelated.
A)Frequency
B)Bandwidth
C)Voltage
D)Intelligence
Q16: What mathematical tool is used to solve
Q17: _ are defined as those requiring more
Q18: _ is used to predict the bandwidth
Q20: All communications systems are constrained by_.
A)bandwidth availability
B)reference
Q21: _ always appear in pairs,one above and
Q22: What does the AM modulation index measure?
A)Modulation
Q23: Which of the following is used primarily
Q24: Which of the following is (are)always equal
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