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antenna factor
相关语句
  天线系数
     Error Analysis of Antenna Factor in EMC Test
     EMC测试中天线系数的误差分析
短句来源
     The calibration and use of antenna factor
     天线系数的校准和使用
短句来源
     Nevertheless, the antenna factor offered by the producer had been calibrated on certain precondition, If your antenna was used directly, measurement errors may occur at your test site.
     然而 ,天线生产者提供的天线系数都是在一定前提下进行校准的 ,如果直接用于测量现场就会带来误差。
短句来源
     This paper describes the main conditions of OATS,its structure features,the methods of measurements for normalized site attenuation (NSA)and antenna factor determination,and the requirements for OATS's auxiliary combining the concerned EMC standards with the writer's actual experience in building OATS.
     结合有关标准和开阔试验场建造的实际体会 ,介绍试验场应具备的基本条件 ,它的结构特点、归一化场地衰减和天线系数的测量方法 ,以及对试验场辅助设备的要求。
短句来源
     The antenna factor is a very important parameter.
     天线系数是一项重要参数。
短句来源
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  “antenna factor”译为未确定词的双语例句
     The frequency range is 30~1000MHz. The transmitting field strength is 100~120dBμV/m on the steel open area test site with the dimensions of 40m in length and 12.5m in width, and the uncertainty of the standard set is less than 1dB. It has been used for EMC test such as the traceability of the value of field strength and the calibration of antenna factor.
     该装置采用标准电场法原理,由13副工作频率各异的半波谐振偶极子天线作标准发射天线,覆盖频率范围30~1000MHz,在长40m、宽125m的钢质开阔试验场上,发射场强100~120dBμV/m,不确定度优于1dB。 目前已用于场强量值传递和天线校准等电磁兼容试验。
短句来源
  相似匹配句对
     The calibration and use of antenna factor
     天线系数的校准和使用
短句来源
     Error Analysis of Antenna Factor in EMC Test
     EMC测试中天线系数的误差分析
短句来源
     THE DEPOLARIZATION FACTOR
     退极化因子
短句来源
     Factor in intelligence.
     (二)智力因素。
短句来源
     The Sinuous Antenna
     曲折臂天线
短句来源
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  antenna factor
The same technique has been extended for receiving wire antenna to evaluate the Complex Antenna Factor (CAF) of these antennas.
      
The received voltage and hence the antenna factor is evaluated from the equivalent circuit diagram of the antenna.
      
In this paper a simple and useful Method of Moment-based theoretical technique is described to evaluate the antenna factor of wire antenna.
      
If the antenna factor of the receiver and the received voltage are known then the field can be found out applying simple relations.
      
The ratio of incident electric field at the surface of receiving antenna to the received voltage at the antenna terminal when terminated in 50 ohms load is known as the antenna factor.
      
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When the state military standard GJB 151—86 and GJB 152—86 are used to test electric-field radiated emission and radiated susceptibility of shipborne electrical equipment and subsystems in shielded enclosures, some big errors may occur, and these errors may be even bigger sometimes up to±40 dБ when the far field antenna and open field site antenna factors are used. This paper presents consideration and. test methods of antenna factors which have to be determined again in shielded enclosures,...

When the state military standard GJB 151—86 and GJB 152—86 are used to test electric-field radiated emission and radiated susceptibility of shipborne electrical equipment and subsystems in shielded enclosures, some big errors may occur, and these errors may be even bigger sometimes up to±40 dБ when the far field antenna and open field site antenna factors are used. This paper presents consideration and. test methods of antenna factors which have to be determined again in shielded enclosures, so as to decrease the measurement errors and these could be provided as reference for further correction of state military standard.

按有关标准在屏蔽室内对装舰设备和分系统进行电场辐射发射和辐射敏感度测试时,采用远场天线和在开阔场地所获得的天线系数误差较大,有时可达±40dB。本文提出在屏蔽室内天线系数必需重新确定的依据和方法,以减少测量误差。并可供今后修订标准作参考。

This paper describes the standard set for the HF electric field, which has been completed recently by using standard electric field method. The standard transmitting antenna consists of thirteen half-wave tuned dipole antennas with different operating frequencies. The frequency range is 30~1000MHz. The transmitting field strength is 100~120dBμV/m on the steel open area test site with the dimensions of 40m in length and 12.5m in width, and the uncertainty of the standard set is less than 1dB. It has been used...

This paper describes the standard set for the HF electric field, which has been completed recently by using standard electric field method. The standard transmitting antenna consists of thirteen half-wave tuned dipole antennas with different operating frequencies. The frequency range is 30~1000MHz. The transmitting field strength is 100~120dBμV/m on the steel open area test site with the dimensions of 40m in length and 12.5m in width, and the uncertainty of the standard set is less than 1dB. It has been used for EMC test such as the traceability of the value of field strength and the calibration of antenna factor.

本文介绍新近研制成功的高频电场标准装置。该装置采用标准电场法原理,由13副工作频率各异的半波谐振偶极子天线作标准发射天线,覆盖频率范围30~1000MHz,在长40m、宽125m的钢质开阔试验场上,发射场强100~120dBμV/m,不确定度优于1dB。目前已用于场强量值传递和天线校准等电磁兼容试验。

The antenna factor is a very important parameter. Nevertheless, the antenna factor offered by the producer had been calibrated on certain precondition, If your antenna was used directly, measurement errors may occur at your test site. However, if you got the fact gain of the antenna first, you can calculate out the authenticity and accuracy antenna factor.

天线系数是一项重要参数。然而 ,天线生产者提供的天线系数都是在一定前提下进行校准的 ,如果直接用于测量现场就会带来误差。但若在测量现场先求得天线实际增益 ,便可计算出精度更高、实用而有效的天线系数。

 
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