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 of the carrier information signal changes changes the frequency the frequency of the carrier wave frequency of the fm information signal frequency modulation fm modulation fm information signal changes the
7 frequency modulation fm
8 frequency modulation fm
9 pm information signal changes the phase modulation pm information phase modulation pm the phase of of the carrier the carrier wave information signal changes signal changes the phase of the
10 0 phase modulation phase modulation pm
11 modulation a transmitter a transmitter is rate to transmit is turned on and off at 1 pulse modulation on and off off at a turned on and pulse modulation a at a regular a regular rate regular rate to transmitter is turned transmit pulses of pulses of rf to transmit pulses of rf energy
12 2 pulse modulation
13 phase modulation pulse modulation pulse modulation frequency modulation phase modulation frequency modulation modulation phase modulation amplitude modulation frequency 3 recapitulation amplitude recapitulation amplitude modulation
14 4 no transcript
15 is pulse modulation modulation frequency modulation 5 amplitude modulation amplitude modulation what pulse modulation frequency what is pulse modulation what is
16 amplitude modulation am 6 amplitude modulation
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