June 2017
Beginner to intermediate
432 pages
12h 25m
English
Content preview from Digital Signal Processing 101, 2nd EditionBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 11
Digital Upconversion and Downconversion
Abstract
Digital upconversion is the process of moving the frequency content of a baseband signal to a much high frequency. Digital downconversion is the opposite process. The process is described intuitively as well as mathematically using previously developed concepts. In addition, the role of analog-to-digital convertor and digital-to-analog convertor in this process is discussed.
Keywords
Baseband; Downconversion; Intermediate frequency; Sinc compensation; Upconversion
Previously, we talked about complex modulation and baseband signals. The whole point of this is to create a signal that can be used to carry the information bits from one location to another, whether over copper wire, a fiber optic ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.