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2010•Journal of Yangzhou UniversityRequires access

Impromved NCO realization technology based on CORDIC arithmetic and performance analysis

Qiong Wang

Open publisher page 3 citations

Abstract

This paper introduces an improved numerical controlled oscillator(NCO) based on CORDIC algorithm,which applies CORDIC arithmetic instead of traditional SIN ROM lookup table.With this method,data storage can be greatly reduced and the utility factor of resources can be efficiently improved.According to the corresponding literature,a detailed error performance analysis is given.MATLAB emulator results and the realization on FPGA along with the output signal emulator wave after synthesis are brought forth.Therefore,high precision output signal can be produced and the design purpose can be attained.

About this research paper

What this paper is about

This paper introduces an improved numerical controlled oscillator(NCO) based on CORDIC algorithm,which applies CORDIC arithmetic instead of traditional SIN ROM lookup table.With this method,data storage can be greatly reduced and the utility factor of resources can be efficiently improved.According to the corresponding literature,a detailed error performance analysis is given.MATLAB emulator results and the realization on FPGA along with the output signal emulator wave after synthesis are brought forth.Therefore,high precision output signal can be produced and the design purpose can be attained.

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Available abstract

This paper introduces an improved numerical controlled oscillator(NCO) based on CORDIC algorithm,which applies CORDIC arithmetic instead of traditional SIN ROM lookup table.With this method,data storage can be greatly reduced and the utility factor of resources can be efficiently improved.According to the corresponding literature,a detailed error performance analysis is given.MATLAB emulator results and the realization on FPGA along with the output signal emulator wave after synthesis are brought forth.Therefore,high precision output signal can be produced and the design purpose can be attained.

Key concepts: CORDIC, Realization (probability), Lookup table, Computer science, MATLAB, Field-programmable gate array, Arithmetic, Table (database)

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