tailieunhanh - Lecture Digital communication systems - Lecture 8
In this chapter we will discuss: History, radio in the digital age, defining features of radio, organization of the radio industry, ownership in the radio industry, producing radio programs, economics, feedback, the radio industry. | DIGITAL COMMUNICATION SUSTEMS Fall 2012 Lecture 8 Noise bad things happen to good signals Signal-to-noise ratio and decibel dB scale PDF s means variances Gaussian noise Bit error rate for bipolar signaling Fall 2012 Lecture 8 Slide 1 Single Link Communication Model Original source End-host computers Receiving app user Digitize if needed Render display etc. Source binary digits message bits From Baseband to Modulated Signal and Back codeword bits out Fall 2012 Lecture 8 Slide
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