anechoic

A NSA model of impact anechoic chamber ispresented herein theoretically.

文章首先經(jīng)過推導(dǎo)和計(jì)算,得出了一套計(jì)算緊縮型暗室的歸一化場地衰減(NSA)理論值模型.

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It is the important reference for the evaluation of anechoic chamber performances.

為評估全電波暗室的性能提供重要技術(shù)依據(jù).

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Noise is measured in anechoic room.

?噪音值是在無音室中的測量值.

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Computation of the acoustic field in an anechoic tank is important for selection of absorption lining.

消聲水池的聲場計(jì)算對消聲水池尺寸的確定和所敷設(shè)的吸聲材料參數(shù)的選擇十分重要.

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The article introduces a new method about design electromagnetic wave anechoic chamber and provide basic flowchart.

從定性設(shè)計(jì)和定量設(shè)計(jì)兩方面,概述電波暗室的設(shè)計(jì)方法,給出了設(shè)計(jì)思想的流程圖.

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Maintain test and measurement area , including anechoic chamber , rooftop measurement area, and listening rooms.

維護(hù)所有測試配置和聽音設(shè)備及電纜.

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Responsible for anechoic chamber designs for EMC and antenna test and measurement requirements.

負(fù)責(zé)EMC、天線測試與丈量電波暗室設(shè)計(jì).

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The paper establishes reverberation - anechoic chamber sound insulation test method via lot of test research and demonstration.

本文通過大量的試驗(yàn)研究與論證,建立了混響室—消聲室法隔聲測量方法,填補(bǔ)了國內(nèi)在該領(lǐng)域研究的空白.

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