Simple anechoic chamber was used for noise reduction.
根据降噪量要求对设备间采用简易消声室设计。
An anechoic chamber is used to test the iPhone's signal strength.
iPhone的信号强度需要在消声室中进行。
It is the important reference for the evaluation of anechoic chamber performances.
为评估全电波暗室的性能提供重要技术依据。
So, as the platform of indoor measurement microwave anechoic chamber is very important.
所以，暗室作为室内测量的平台是很重要的。
It is the important reference for the evaluation of fully anechoic chamber performances.
为评估全电波暗室的性能提供重要技术依据。
Therefore, as the platform of indoor measurement microwave, anechoic chamber is very important.
所以，暗室作为室内测量的平台是很重要的。
Active noise control experiments were performed in both a semi-anechoic chamber and an ordinary room.
本文分别在半消声室和普通房间进行有源消声实验。
Thus the camouflage of MBB technique is the key to the performance of the RF shielding anechoic chamber.
所以该转台的伪装设计成为射频屏蔽暗室性能的关键技术。
This paper introduces the matter of 3m semi anechoic chamber and the testing technology and results of emi.
文章介绍了建设3米法半电波暗室应注意的问题以及EMI实际测试技巧和特殊测试结果分析。
The paper measures the electromagnetic leakages of computer in GTEM cell and EMC microwave anechoic chamber.
针对计算机及其外设的电磁泄漏问题，分别在GTEM室和EMC室进行了相关测量。
The detail of the design, construction and the appraisement of the whole vehicle semi-anechoic chamber is introduced.
详细介绍汽车整车半消声室的设计方法、建设情况和鉴定结果。
Complementing Eaton's FC NVH capabilities are an in-house hemi-anechoic chamber in Eden Prairie, MN, and proprietary software.
补充伊顿的FCNVH能力是一个内部半电波暗室中的伊甸园大草原，锰，与专有软件。
In order to verify the actual performance of the noise barrier. A series of comparison tests has been carry out in anechoic chamber.
为了验证新型声屏障的实际性能，在消音室对采用不同顶端结构的声屏障进行一系列实验研究。
In calculation of reflected level of quiet zone in anechoic chamber, a spot emission model is often used to simulate antennas characteristic.
在微波暗室静区反射电平计算时常采用点源发射模型模拟天线的特性，它适用于低频段或方向性差的天线。
The quiet zone performance not only characterizes the performance of radio anechoic chamber, but also is a key factor for designing the anechoic chamber.
静区性能是电波暗室综合性能的体现，也是暗室设计的关键。
To simulate transmission conditions of EM wave in free space, the biomedical microwave anechoic chamber used for biomedical engineering research was developed.
为模拟电磁波在自由空间的传输状态，研制了用于生物医学工程研究的大型专用微波暗室。
Using the Go and Po methods, the electromagnetic fields in a microwave anechoic chamber setting up a compact two-cylindrical antennas range are analysed in this paper.
利用几何光学法和物理光学法，分析了带有双柱面紧缩场天线的微波暗室内的电磁场分布。
We have also made some hearing experiments in an anechoic chamber, and the experiments show that all products are not affected after embedding information of the users.
信息被嵌入后，将带水印作品在专业消声室里做了听觉试验，证实了作品的主观听觉效果未受到影响，也就是说嵌入的信息表面上是透明的，用户无法察觉。
To test this scheme, experiment was conducted in a semi-anechoic chamber, with 3 loudspeakers simulating the sound sources of the 3 separate sections of the volume target.
为验证此方案，在半消声室进行了非典型声强向量阵的定向实验，用3个扬声器模拟体积目标3个不同部位的声源。
The noise of 4110Q diesel engine and its oil pan, flywheel cover, oil pump, valve chamber has been studied by the analysis system of B&K3560 in the normal Semi-anechoic chamber.
在标准半消声室，用B&K3560噪声测量分析系统对4110Q柴油机整机和油底壳、飞轮壳、喷油泵、摇臂罩等零部件的噪声进行了台架试验研究。
The antenna radiation pattern and antenna coupling or isolation as well as near electric field strength are measured by using anechoic chamber as the test site of ship model prediction.
采用电波暗室作为船模预测的试验场地，进行天线方向图、天线耦合度(或隔离度)、近区场强等参数测试。
This paper introduces the operation principle for the calibration of radar speedometer with a microwave anechoic chamber. A calibration system and its error analysis is described briefly.
本文介绍了用微波暗室法校准雷达测速仪的工作原理，并对校准系统进行了描述和误差分析。
This paper include the establishment of the quiet zone of microwave anechoic chamber, the evaluation of the systems 'measurement uncertainty and the research of TIS fast-measuring technique.
本论文主要包括微波暗室静区的确立，测试系统的测量不确定度评定以及TIS快速测试技术的研究三个部分。
In design of anechoic chamber with higher quality, when requirements of quiet zone index are higher, it must use the geometrical theory of diffraction instead of the geometrical optics for accuracy.
在高性能微波暗室技术设计中，由于静区指标较高，采用一般的几何光学技术不能进行准确计算，因此需采用几何绕射理论技术。
In design of anechoic chamber with higher quality, when requirements of quiet zone index are higher, it must use the geometrical theory of diffraction instead of the geometrical optics for accuracy.
在高性能微波暗室技术设计中，由于静区指标较高，采用一般的几何光学技术不能进行准确计算，因此需采用几何绕射理论技术。
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