Transcription of Basic Concepts of modulation - Berk
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Basic Concepts of modulation - Berk
All About modulation Part I Copyright 2002 Charan Langton 1 Intuitive Guide to Principles of Communications All About modulation - Part I Basic Concepts , Signal Space, Constellations and Phase Shift Keying modulations (PSK, QPSK, OQPSK, M-PSK, /4-QPSK, MSK, and GMSK) Basic Concepts of modulation Three kinds of modulations modulation is the process of facilitating the transfer of information over a medium. Voice can not be sent be very far by screaming. To extend the range of sound, we need to transmit it through a medium other than air, such as a phone line or radio.
All About Modulation Œ Part I Copyright 2002 Charan Langton www.complextoreal.com 3 0, we shift the phase of the sinusoid by 180°. Phase shift represents the change in
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