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ANGLE MODULATION

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... MODULATION. Generalized angle and instantaneous frequency : PHASE MODULATION (PM) ... We can generate FM signal using a PM system, and PM signal using a FM ... – PowerPoint PPT presentation

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Title: ANGLE MODULATION


1
ANGLE MODULATION
Generalized angle and instantaneous frequency
PHASE MODULATION (PM) , FREQUENCY MODULATION (FM)
Consider the generalized angle
?FM(t)
?PM(t)
PHASE MODULATOR
m(t)
FREQUENCY MODULATOR
m(t)
We can generate FM signal using a PM system, and
PM signal using a FM system.
2
EXAMPLE Consider m(t)- a square wave- as
shown. The FM wave for this m(t) is shown below.
m(t)
0
T
2T
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