虽然理论上全 电波暗室的归一化场地衰减（Normalized Site Attenuation-NSA）不分垂直与水平极 化，但测量还是应分别对垂直与水平极化进行。
基于12个网页-相关网页
In simulation, the main indicator for the performance of the semi-Anechoic Chamber is normalized site attenuation (NSA).
在电波暗室的性能仿真中，主要针对的性能指标是半电波暗室的归一化场地衰减(NSA)，选择半波偶极子作为发射天线，接收端用场探点来等效接收天线。
参考来源 - 吸波材料模型及暗室性能研究·2,447,543篇论文数据，部分数据来源于NoteExpress
标准上给出的归一化场地衰减（NSA）理论值的计算是基于发射和接收偶极子天线无限细这个假设得出的。
The theoretical NSA values given by the standards are grounded on the assumption that transmit and receive antennas are infinitesimal dipole antennas which is inappropriate to measurements.
本文首先介绍了紧缩型电磁兼容(EMC)暗室归一化场地衰减(nsa)的测试方法和理论值的计算模型。
NSA (the normalized site attenuation) measurement and theoretical calculation model of compact EMC chamber is firstly introduced in this paper.
应用推荐