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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국전자파학회JEES Journal of Electromagnetic Engineering And Science Journal of Electromagnetic Engineering And Science Vol.15 No.3
- 발행연도
- 2015.7
- 수록면
- 181 - 184 (4page)
이용수
초록· 키워드
오류제보하기
Evaluation of radiating radiofrequency fields from hand-held and body-mounted wireless communication devices to human bodies are conducted by measuring the specific absorption rate (SAR). The uncertainty of system validation and probe calibration in SAR measurement depend on the variation of RF power used for the validation and calibration. RF input power for system validation or probe calibration is controlled manually during the test process of the existing systems in the laboratories. Consequently, a long time is required to reach the stable power needed for testing that will cause less uncertainty. The standard uncertainty due to this power drift is typically 2.89 %, which can be obtained by applying IEC 62209 in a normal operating condition. The principle of the Automatic Input Power Level Control System (AIPLC), which controls the equipment by a program that maintains a stable input power level, is suggested in this paper. The power drift is reduced to less than ±1.16 dB by AIPLC, which reduces the standard uncertainty of power drift to 0.67%.
목차
Abstract
Ⅰ. INTRODUCTION
Ⅱ. SIGNAL SOURCE FOR THE VALIDATION SYSTEM AND AIPLC ALGORITHM
Ⅲ. RF OUTPUT POWER MEASUREMENTS WITH AIPLC
Ⅳ. CONCLUSIONS
REFERENCES
참고문헌 (6)
참고문헌 신청
[학술지(정기간행물)] - Q. Balzano / 1995 / Electromagnetic energy exposure of simulated users of portable cellular telephones / IEEE Transactions on Vehicular Technology 44 (3) : 390 ~ 403
[기타자료] - / 2005 / Human exposure to radio frequency fields from handheld and body-mounted wireless communication devices -Human models, instrumentation, and procedures - Part 1: Procedure to determine the specific absorption rate (SAR) for hand-held devices used in close proximity to the ear (frequency range of 300 MHz to 3 GHz) / IEC 62209-1:2005
[기타자료] - / 2010 / Human exposure to radio frequency fields from handheld and body-mounted wireless communication devices -Human models, instrumentation, and procedures - Part 2: Procedure to determine the specific absorption rate (SAR) for wireless communication devices used in close proximity to the human body (frequency range of 30MHz to 6 GHz) / IEC 62209-2:2010
[단행본] - Bureau International des Poids et Mesures / 1995 / International Organization for Standardization, Guide to the Expression of Uncertainty in Measurement / International Organization for Standardization
[학술대회논문] - K. H. Kim / 2015 / Automatic input power level control in SAR validation and calibration / Presented at the Meeting on IEC TC106 MT1 62209
[기타자료] - / 2005 / Human exposure to radio frequency fields from handheld and body-mounted wireless communication devices -Human models, instrumentation, and procedures - Part 1: Procedure to determine the specific absorption rate (SAR) for hand-held devices used in close proximity to the ear (frequency range of 300 MHz to 3 GHz) / IEC 62209-1:2005
[기타자료] - / 2010 / Human exposure to radio frequency fields from handheld and body-mounted wireless communication devices -Human models, instrumentation, and procedures - Part 2: Procedure to determine the specific absorption rate (SAR) for wireless communication devices used in close proximity to the human body (frequency range of 30MHz to 6 GHz) / IEC 62209-2:2010
[단행본] - Bureau International des Poids et Mesures / 1995 / International Organization for Standardization, Guide to the Expression of Uncertainty in Measurement / International Organization for Standardization
[학술대회논문] - K. H. Kim / 2015 / Automatic input power level control in SAR validation and calibration / Presented at the Meeting on IEC TC106 MT1 62209
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