tailieunhanh - Lecture Digital communication systems - Lecture 11
This chapter includes contents: History, contemporary television, television in the digital age, defining features of television, organization of the broadcast television industry, ownership in the television industry, producing television programs, economics, public broadcasting, cable television, home video, direct broadcast satellites, feedback, the television industry. | INTRODUCTION TO EECS II COMMUNICATION SUSTEMS Fall 2012 Lecture 11 Eye diagrams Alternative ways to look at convolution Fall 2012 Lecture 11 Slide 1 Eye Diagrams Eye diagram h4 n 4 samples bit 000 100 010 110 001 101 011 111 z n z4 n 100 Eye diagrams make it easy to find the worst-case signaling conditions at the receiving end. Fall 2012 - These are overlaid two-bit-slot segments of step responses plotted without the stems of the stem plot on the left Lecture 11 Slide 2 Width of Eye as in eye wide open To maximize noise margins Pick the best sample point widest point in the eye Pick the best digitization threshold half-way across width Fall 2012 Lecture 11 Slide
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