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Question
Nonselective, or ________, is the type of fading in which all frequency components of the received signal fluctuate in the same proportions simultaneously.A) slow fading
B) fast fading
C) diverse fading
D) flat fading
Answer
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Related questions
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The simplest sort of signal is a ________ signal, in which the same signal pattern repeats over time.
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A) Voice
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A) multipoint
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Delay distortion occurs because the velocity of propagation of a signal through a guided medium varies with frequency.
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An analog signal can be transmitted only a limited distance before attenuation, noise, and other impairments endanger the integrityof the data.
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A) parallel
B) asynchronous
C) analog
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Q:
A ________ error can occur in the presence of white noise when a slight random deterioration of the signal to noise ratio is sufficient to confuse the receiver's decision of a single bit.
A) burst
B) idle
C) single-bit
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Q:
________ is one of the most fundamental requirements in the transmission of a stream of bits from one device to another.
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The ratio of data bits to total bits is called the code rate .
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In ________ the phase of the carrier signal is shifted to represent data.
A) MFSK
B) ASK
C) FSK
D) PSK
Q:
Because of their simplicity and relatively low frequency response characteristics, ________ codes are commonly used for digital magnetic recording.
A) NRZ
B) AMI
C) VSES
D) B8ZS