Design of digital frequency down-converters simplified by eliminating need for both high-speed number-controlled oscillators (NCOs) and mixer-multipliers, and implementing functions via multiplication coefficients of finite-impulse-response (FIR) filters. Simplification depends on particular choices of operating frequencies. Simplified designs implemented with commercial FIR integrated circuits.
Simplified Digital Down-Converters
NASA Tech Briefs ; 19 , 7
1995-07-01
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Englisch
Simplified Digital Down-Converters
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