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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2016.9
- 수록면
- 330 - 339 (10page)
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A magnetic field sensing system with a single primary sensor and multiple reference sensors deployed locally and orthogonally, was proposed for downlink signal reception and interference cancelling for Through-the-Earth Communication (TEC). This paper mathematically analyzes a design optimization process for a search coil magnetometer (SCM), and applies that process to minimize the bandwidth of the primary SCM for TEC signal reception and the volume of reference SCMs for multiple distributions. The primary SCM achieves a 3-㏈ bandwidth of 7 ㎐, a sensitivity threshold of 120 fT/√㎐, and a volume of 2.32 × 10<SUP>−4</SUP>㎥. The entire sensing system volume is as small as 10<SUP>−2</SUP>㎥. Experiments with interference from industrial frequency harmonics demonstrated an average of 36 ㏈ and 18 ㏈ improvements in signal-to-interference ratio and signal-to-interference plus noise ratio, respectively, using multichannel recursive-least-squares algorithm. Thus, the proposed sensing system can reduce the interference effectively and allows reliable downlink signal reception.
목차
1. Introduction
2. Analysis of the EMI and Design of the Sensing System
3. Optimization of the SCMs
4. Experiments and Discussion
5. Conclusion
References
참고문헌 (26)
참고문헌 신청
[학술지(정기간행물)] - M. R. Yenchek / 2012 / / IEEE Trans. Ind. Appl 48 : 1700 ~
[학술지(정기간행물)] - F. H. Raab / 1988 / / IEEE Trans. Ind. Appl 24 : 212 ~
[학술지(정기간행물)] - F. H. Raab / 1995 / / IEEE Trans. Comm 43 : 2995 ~
[학술지(정기간행물)] - D. Madurasinghe / 1994 / / IEEE J. Oceanic Eng 19 : 193 ~
[학술지(정기간행물)] - Zhang Jiawei / 2014 / / Journal of Harbin Engineering University 35 : 931 ~
[학술지(정기간행물)] - F. H. Raab / 1988 / / IEEE Trans. Ind. Appl 24 : 212 ~
[학술지(정기간행물)] - F. H. Raab / 1995 / / IEEE Trans. Comm 43 : 2995 ~
[학술지(정기간행물)] - D. Madurasinghe / 1994 / / IEEE J. Oceanic Eng 19 : 193 ~
[학술지(정기간행물)] - Zhang Jiawei / 2014 / / Journal of Harbin Engineering University 35 : 931 ~
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UCI(KEPA) : I410-ECN-0101-2017-428-001095637