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ARRL Products: Contesting (More) The ARRL DXCC Handbook with BONUS Band Chart (11x17) -- Worldwide ham radio operating and the ARRL DXCC Award! 5-Band Worked All States Pin -- Out-of-Stock! -- Colorful design. 1-inch diameter pin with self-locking "tack" backing. RSGB IOTA Directory -- Everything you need to know to enjoy collecting islands for the popular worldwide IOTA (Islands on the Air) award. NCJ -- National Contest Journal -- The best news and information for contesters! Published by ARRL. Subscribe Today... The ARRL DXCC List -- Now Shipping! -- May 2009 Edition. DX Century Club (DXCC) rules and current entities listing. A "must have" for every DXer!

INSIDE:

• Explains how DSP gives us higher performance at lower cost
• Offers a brief history of DSP and an overview of its applications
• Details digital sampling, including fundamental and harmonic sampling, aliasing and mechanisms at play in real data converters
• Makes clear how numbers are actually stored and manipulated
• Reviews the design of digital filters and their properties, including adaptive filters
• Examines the mathematics of modulation and demodulation, and digital coding methods for speech and noise-reduction techniques, including Fourier transforms
• Explores the design of digital transceivers at the block diagram, DSP hardware and software levels
• Highlights current DSP research that is likely to find its way into Amateur Radio, such as adaptive beamforming

Digital Signal Processing Technology
ARRL Order No. 8195--$44.95
Available Now!