1989-Montero · Аудиосистема · страница 11 из 30 · Открыть оригинал PDF ↗
1 A-8 1 N oise sometimes appears on FM during traveling.
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* About multipath noise and fading noise
Because the frequency of FM waves is extremely
high, it is highly susceptible to effects from geo-
logjcal formations and buildings. These effects dis-
rupt the broadcast signal and obstruct reception in
sederal ways.
e Multipath noise
This describes the echo that occurs when the
broadcast signal is reflected by a large obstruc-
tion and enters the receiver with a slight time
delay relative to the direct signal. (repetitious
buzzing)
l Fading noise
This is a buzzing noise that occurs when the
broadcast beam is disrupted by obstructing ob-
jects and the signal strength fluctuates
intricately within a narrow range.
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