1) normalized site attenuation
归一化场地衰减
1.
8 of CISPR 16-1-4∶2004 -site reference method, normalized site attenuation.
8条给出的两种评估方法—场地参考法(sitereferencemethod)和归一化场地衰减法NSA。
2.
This article gives a review of IEC/CISPR/A and IEC/SC77B Committee drafts, CISPR/A/342/CD, CISPR/A531/CD and 77B/429/CDV, three validation procedures for normalized site attenuation (NSA), site voltage standing wave ratio (SVSWR), fielduniformity (FU) of EMC anechoic chamber.
文章介绍EMC电波暗室性能指标中与1～18GHz归一化场地衰减NSA、场地电压驻波比(SVSWR)和场均匀性(FU)三项指标相关的IEC/CISPR/A和IEC/SC77B委员会草案CISPR/A/342/CD、CISPR/A/531/CD和77B/429/CDV,这三项指标的校验和评估方法既适用于全电波暗室也适用于在接地平板上加铺适当数量吸波材料的半电波暗室。
3.
The Testing Method of Normalized Site Attenuation of 5-meter Anechoic Chamber
介绍了电波暗室性能的评估指标归一化场地衰减(NSA),并对电波暗室作了阐述。
2) NSA
归一化场地衰减
1.
The calculation method of the normalized site attenuation(NSA) of electromagnetic compatibility(ECM) test site is introduced in this paper.
介绍电磁兼容测试场地归一化场地衰减(N SA)理论值计算的方法,此方法可用于不同测试条件下(不同的测试距离,收、发天线不同的高度等)N SA理论值的计算。
2.
A NSA model of impact anechoic chamber ispresented herein theoretically.
文章首先经过推导和计算,得出了一套计算紧缩型暗室的归一化场地衰减(NSA)理论值模型。
3.
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.
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。
3) normalized site attenuation(NSA)
归一化场地衰减
1.
The normalized site attenuation(NSA) of open area test site building on the flat roof of the high building was measured and analysed.
介绍了用于EMC测试的开阔测试场地性能的评价方法 ,测量并分析了建于某高层楼顶的开阔测试场地的归一化场地衰减 (NSA) ,并对在该类场地进行EMC测试提出了一些意见和建议。
4) NSA
归一化衰减
1.
Simulation Calculation on NSA of Pre-Compatible Laboratory
预兼容实验室场地归一化衰减的仿真计算
5) site attenuation
场地衰减
1.
8 of CISPR 16-1-4∶2004 -site reference method, normalized site attenuation.
8条给出的两种评估方法—场地参考法(sitereferencemethod)和归一化场地衰减法NSA。
2.
Analysis and experiments show that the site calibration is unnecessary for frequency below 10 MHz, that the 3 m normalized site attenuation calibration is needed for frequency between 30 MHz and 1000 MHz, and that the contrast measurements between open site and anechoic chamber are required for frequency from 10 MHz to 30 MHz.
分析和试验表明当频率在１０ＭＨｚ以下时，可以不进行场地校验，当频率在１０ＭＨｚ～３０ＭＨｚ时需要与开阔场进行对比校验，当频率在３０ＭＨｚ～１０００ＭＨｚ时要用３ｍ法归一化场地衰减进行校
3.
The Testing Method of Normalized Site Attenuation of 5-meter Anechoic Chamber
介绍了电波暗室性能的评估指标归一化场地衰减(NSA),并对电波暗室作了阐述。
6) site attenuation coefficient
场地衰减系数
1.
Preliminary investigations are made together with site attenuation coefficient,transformation of explosive ene.
同时结合场地衰减系数、炸药能量转换和减震效应等作了初步探讨。
补充资料：公理化方法(见公理化和形式化)
公理化方法(见公理化和形式化)
axiomatical method
gongllbuafangfa公理化方法化和形式化。(axiomatieal method)见公理
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条