types of modulation - PowerPoint PPT Presentation

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types of modulation

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Title: types of modulation

1 no transcript
2 types of modulations
3 amplitude modulation am information or af signal changes the amplitude of the carrier wave without changing its frequency or phase
4 amplitude modulation am
5 amplitude modulation am
6 fm information signal frequency of the changes the frequency signal changes the the carrier wave information signal changes of the carrier modulation fm information the frequency of frequency modulation fm
7 frequency modulation fm
8 frequency modulation fm
9 pm information signal signal changes the phase modulation pm the carrier wave information signal changes of the carrier the phase of modulation pm information changes the phase phase of the
10 0 phase modulation phase modulation pm
11 on and off is turned on regular rate to transmitter is turned 1 pulse modulation rate to transmit turned on and and off at pulses of rf of rf energy at a regular transmit pulses of off at a a regular rate a transmitter is modulation a transmitter to transmit pulses pulse modulation a
12 2 pulse modulation
13 3 recapitulation amplitude modulation pulse modulation modulation frequency modulation phase modulation pulse recapitulation amplitude modulation modulation phase modulation frequency modulation phase amplitude modulation frequency
14 4 no transcript
15 what is pulse is pulse modulation amplitude modulation what pulse modulation frequency 5 amplitude modulation modulation frequency modulation modulation what is
16 amplitude modulation am 6 amplitude modulation
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