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2006•Journal of Circuits and SystemsRequires access

The analysis of quantization error for SNR in DBF

Wenjiang Feng

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Abstract

The affection of quantization error for SNR in digital beam forming(DBF)is analyzed on the perfect and normal conditions respectively.Quantization error of signals and weight values is considered together,and the simulation result is given at last.The analysis shows that the SNR is improved by increasing the quantization bit number.But when it is large enough,the impact does not change any more.The analysis result and process are valuable for the decision of quantization bit number in the system design.

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What this paper is about

The affection of quantization error for SNR in digital beam forming(DBF)is analyzed on the perfect and normal conditions respectively.Quantization error of signals and weight values is considered together,and the simulation result is given at last.The analysis shows that the SNR is improved by increasing the quantization bit number.But when it is large enough,the impact does not change any more.The analysis result and process are valuable for the decision of quantization bit number in the system design.

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Available abstract

The affection of quantization error for SNR in digital beam forming(DBF)is analyzed on the perfect and normal conditions respectively.Quantization error of signals and weight values is considered together,and the simulation result is given at last.The analysis shows that the SNR is improved by increasing the quantization bit number.But when it is large enough,the impact does not change any more.The analysis result and process are valuable for the decision of quantization bit number in the system design.

Key concepts: Quantization (signal processing), Error analysis, Algorithm, Computer science, Mathematics, Electronic engineering, Applied mathematics, Engineering

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