An Improved Phase Estimation Method for AM Range Measurement System 


Vol. 37,  No. 6, pp. 453-461, Jun.  2012


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  Abstract

This paper proposes an improved phase estimation method for AM(Amplitude Modulation) range measurement system. The previous phase estimation method induces errors by Doppler shift of a moving target. The proposed method compensates phase estimation error through the ADC(Adaptive Doppler Correction) to take the Doppler shift, thus can improve distance measurement accuracy. When compared with the previous method through simulation results, the Doppler shift compensation and accuracy are improved by 94.7% and 50%, respectively. Target distance error in an acoustic tank is estimated to be 7.7cm, which confirms that the proposed method can be used to estimate the distance in the marine environment.

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  Cite this article

[IEEE Style]

D. Kim, T. Oh, S. Hwang, "An Improved Phase Estimation Method for AM Range Measurement System," The Journal of Korean Institute of Communications and Information Sciences, vol. 37, no. 6, pp. 453-461, 2012. DOI: .

[ACM Style]

Dae-Joong Kim, Taek-Hwan Oh, and Sun-Young Hwang. 2012. An Improved Phase Estimation Method for AM Range Measurement System. The Journal of Korean Institute of Communications and Information Sciences, 37, 6, (2012), 453-461. DOI: .

[KICS Style]

Dae-Joong Kim, Taek-Hwan Oh, Sun-Young Hwang, "An Improved Phase Estimation Method for AM Range Measurement System," The Journal of Korean Institute of Communications and Information Sciences, vol. 37, no. 6, pp. 453-461, 6. 2012.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880