Evaluation of aperture efficiency of a radiofrequency electric field strength meter antenna

被引：0

作者：

Sachdev, RN ^{[1
]}

Swarup, G ^{[1
]}

Rajan, KK ^{[1
]}

Joseph, L ^{[1
]}

机构：

[1] BHABHA ATOM RES CTR, RADIAT STAND SECT, HLTH SAFETY & ENVIROM GRP, BOMBAY 400085, MAHARASHTRA, INDIA

来源：

HEALTH PHYSICS | 1997年 / 72卷 / 02期

关键词：

radiation; non-ionizing; safety standards; surveys; health effects;

D O I：

10.1097/00004032-199702000-00018

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

With present-day rapid increases in the applications of radiofrequency microwave radiation in research, medicine, defense, communications, and industry, it has become necessary to have simple inexpensive portable radiofrequency microwave field strength meters for health and safety surveys around operating equipment. This paper presents the results of a study conducted at Trombay calibrating grid to evaluate the receiving aperture efficiency of the 1-m long antenna of a simple narrow band electric field strength meter, with frequency response centered around 27.12 MHz. An aperture efficiency of 0.47 with a coefficient of variation of +/- 3.46% is considered adequate for field use.

引用

页码：318 / 320

页数：3

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