December 2011
Intermediate to advanced
436 pages
18h 7m
English
book
Real-Time Digital Signal Processing from MATLAB® to C with the TMS320C6x DSPs, Second Edition, 2nd Edition
by Thad B. Welch, Cameron H.G. Wright, Michael G. Morrow
Content preview from Real-Time Digital Signal Processing from MATLAB® to C with the TMS320C6x DSPs, Second Edition, 2nd Edition
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16.3. MATLAB IMPLEMENTATION 269
cos(1π/2) = 0, cos(2π/2) = −1, or cos(3π/2) = 0. Thus, the LO will only have
an output value of +1, 0, −1, or 0. For this special case of signal generation, mixing
with the LO requires very few computational resources.
5. (Line 7): The counter variable is used to determine the current position within a
symbol.
6. (Lines 16–18): A new data bit is generated whenever counter is equal to 1.
7. (Line 21): Calculates the output value by multiplying (mixing) the data value with
the LO’s output. The cosine variable is accessed by the MATLAB mod command
which maintains the index value between 1 and 4.
8. (Lines 24–26): The counter ...
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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.