A NOVEL DESIGN FOR DIGITAL QUADRATURE DETECTOR

Wu Yuanbin

Volume 19 Issue 1

Jan. 1997

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Wu Yuanbin. A NOVEL DESIGN FOR DIGITAL QUADRATURE DETECTOR[J]. Journal of Electronics & Information Technology, 1997, 19(1): 68-71.

Citation:

Wu Yuanbin. A NOVEL DESIGN FOR DIGITAL QUADRATURE DETECTOR[J]. Journal of Electronics & Information Technology, 1997, 19(1): 68-71.

Wu Yuanbin. A NOVEL DESIGN FOR DIGITAL QUADRATURE DETECTOR[J]. Journal of Electronics & Information Technology, 1997, 19(1): 68-71.

Citation:

Wu Yuanbin. A NOVEL DESIGN FOR DIGITAL QUADRATURE DETECTOR[J]. Journal of Electronics & Information Technology, 1997, 19(1): 68-71.

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A NOVEL DESIGN FOR DIGITAL QUADRATURE DETECTOR

Wu Yuanbin

Received Date: 1995-05-15
Rev Recd Date: 1995-12-13
Publish Date: 1997-01-19

Abstract

Abstract

This paper presents a novel technique for directly IF sampling and digitally obtaining the inphase (I) and quadrature (Q) components of the IF signal. Because all subsequent processing and detection are accomplished in the digital domain, it can provide even more unproved I and Q signals and improve the overall performance greatly. Finally an experimental scheme is provided.

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References(1)

References

杰里 L. 伊伏斯着,卓荣邦译.现代雷达原理.北京:电子工业出版社,1991, 3. 257-288.[2]Waters W M, Jarrett B R. Bandpass signal sampling and coherent detection. IEEE Trans on AES AES-18(4), Nov.1982. 731-736.[3]Rice D W, Wu K H. Quadrature sampling with high dynamic range. IEEE Trans on AES, 1982 AES-18(4): 736-739.[4]Coope H W. Why complicate frequency synthesis? Electronic Design, 1974, 22(15): 80-85.[5]吴远斌.DDS的设计与应用.电子技术参考,1992, (2): 18-24.

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