lecture17 - Lecture 17 Outline Announcements HW 7 due...

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Unformatted text preview: Lecture 17 Outline Announcements HW 7 due Friday 5pm (no late HWs, solns posted over weekend) Discussion today 4:30, Aakanksha OHs W 5-6; 12.30-1pm Th&F. Wed lecture, 11-12:45 with pizza (summary/adv. topics/final details) Final review scheduling: preference for this Fri, Sun, next Mon, Tues? Review of Last Lecture Pulse Shaping in Baseband Modulation Passband Modulation ASK, PSK, FSK ASK/PSK Demodulation Probability of Bit Error FSK Demodulation and Probability of Bit Error FM modulator: simple for NBFM; harder for WBFM FM detection: diff+env detect; zero-crossing, PLL Baseband digital modulation converts bits into analog signals y(t) (bits encoded in amplitude) BW and PSD of y(t) determined by pulse shape p(t) and a k : Review of Last Lecture 1 0 1 1 1 0 1 1 On-Off Polar t t T b ) ( ) ( ) ( * ) ( ) ( ) ( b k k b k k kT t a t x for t p t x kT t p a t y- = =- = - = - = + = = = 1 2 2 ) 2 cos( 2 | ) ( | ) ( | ) ( | ) ( n b n b x y fT n R R T f P f S f P f S ~ n k k n k a a R a R + = = , 2 ~ PSD and Pulse Shaping...
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This note was uploaded on 01/20/2012 for the course EE 301 taught by Professor Ahmetçakar during the Spring '11 term at Gazi Üniversitesi.

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lecture17 - Lecture 17 Outline Announcements HW 7 due...

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