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Study of AM demodulation technology based on CORDIC algorithm

Wu Song

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Abstract

A technique of digital quadrature AM demodulation design based on CORDIC algorithm is presented.The principle of AM demodulation is discussed,and the process of combining NCO and frequency mixer together and calculating square root using CORDIC algorithm are analyzed detailedly.The design schemes of key modules are introduced.The simulation results indicate that this method completes AM demodulation with high precision and has great application value in project.

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What this paper is about

A technique of digital quadrature AM demodulation design based on CORDIC algorithm is presented.The principle of AM demodulation is discussed,and the process of combining NCO and frequency mixer together and calculating square root using CORDIC algorithm are analyzed detailedly.The design schemes of key modules are introduced.The simulation results indicate that this method completes AM demodulation with high precision and has great application value in project.

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Available abstract

A technique of digital quadrature AM demodulation design based on CORDIC algorithm is presented.The principle of AM demodulation is discussed,and the process of combining NCO and frequency mixer together and calculating square root using CORDIC algorithm are analyzed detailedly.The design schemes of key modules are introduced.The simulation results indicate that this method completes AM demodulation with high precision and has great application value in project.

Key concepts: CORDIC, Demodulation, Key (lock), Algorithm, Computer science, Electronic engineering, Process (computing), Computer hardware

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