Abstract
전자파전력은 전자파 측정표준 분야의 기본 측정량이며, 관련된 주요 전자파 측정량, 예를 들면 감쇠량, RF 전압, 안테나 특성, 전자기장의 세기 등의 국가 표준을 확립하는데 직접 사용된다. 본 논문에서는 전자파전력 측정에 필요한 전자파전력계와 전력 감지기의 측정 원리를 다룬다. <TEX>$50\;MHz{\sim}26.5\;GHz$</TEX>의 주파수 범위에서 동작 하는 전자파전력 국가 표준 원기인 3.5 mm 등축형 미소열량계의 설계, 제작에 있어서의 핵심 사항에 대해서 다루고, 미소열량계를 중심으로 구성된 전력 측정 시스템의 구조 및 동작 원리를 고찰한다. RF and microwave power is a basic quantity in electromagnetic metrology which linked directly to major electro-magnetic quantities such as attenuation, RF voltage, antenna characteristics and field strength. This paper deals with a power meter and power sensor with associated theory for RF and microwave power measurement. We study the theory and the key aspects in design of a 3.5 mm coaxial microcalorimeter which works from 50 MHz to 26.5 GHz as a primary microwave power standard.
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More From: The Journal of Korean Institute of Electromagnetic Engineering and Science
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