Conclusions an anechoic rim or intratumoral cysts suggests the diagnosis of RCC.
结论无回声边及肿瘤内无回声区提示RCC的诊断。
The acoustic reflection characteristics of the underwater anechoic coating are numerical analyzed.
数值分析了水声吸声覆盖层的声反射特性。
The sound source is placed in a reverberation room, and the receiving room is a small anechoic box.
这种方法,声源放在一个混响室内,而接收室是一个小的消声箱。
TLM method can also be used to simulate the measurement of antenna array in microwave anechoic room.
TLM方法也可以模拟在微波暗室里对天线阵的测量。
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。
This paper finds a way of inspecting disbonds of anechoic tiles on submarine by reflecting microwave bridge .
本文提出了一种利用微波反射电桥来检测隐身潜艇消声瓦粘贴缺陷的方法。
Anechoic coating is crucial to the submarine stealth technology and is a major part of quiet-submarine design.
声学覆盖层是水下航行体隐身的一项关键技术,在安静型水下航行体设计中占有十分重要的地位。
Sonographic patterns of joint effusion were: anechoic, cloudy, mixed and snow-storm on high-frequency ultrasound.
关节囊积液的声像图特征为无回声、云雾状、混合状和暴风雪状。
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。
At the present time, the most difficult problem in manufacturing anechoic submarine is the technique of cladding tile.
消声瓦是潜艇实现声隐身的主要手段,目前生产隐身潜艇面临的主要难题之一就是消声瓦敷设技术。
A high density MDF cabinet with walls of varying thickness is heavily damped with bitumen and lined with anechoic grade foam.
高密度的MDF箱体四周配以不同厚度的高 阻尼沥青和内衬消声泡沫。
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。
The results show that the influences of various backings on the acoustic characteristics of anechoic coating are obviously different.
结果表明,不同背衬对吸声覆盖层吸声性能的影响具有明显不同的特性。
It is a way for submarine hiding to anechoic tiles stick on it and to use of Microwave Bridge in evaluation of disbands under anechoic tiles.
潜艇隐身的主要方法是潜艇外壳上粘贴消声瓦,用微波反射电桥法无损检测消声瓦粘贴质量是一种有效的方法。
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 whole process includes the analysis, design and implementation of the OOFEM for the acoustic characteristics of underwater anechoic coating.
这个过程包括:水声吸声覆盖层的面向对象有限元分析、设计和实现。
Based on "two-microphone" method, a sound intensity measurement was carried out towards a vehicle four-stroke gasoline engine in a semi-anechoic room.
运用声强测试技术的双传声器法原理,对一台车用汽油发动机在半消声室内进行了声强测量。
Designing a resistance muffler with high anechoic performance and low pressure loss has become an important subject on intake and exhaust noise control.
设计高消声性能、低压力损失的抗性消声器已成为目前进排气噪声控制的重要课题。
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。
This sys-tern have been applied in the anechoic tank experiment and lake experiment, greatly faciliating the development of underwater self-guide sys-tem.
目前该目标模拟器已成功应用于水下自导系统的消声水池实验及湖上实验,性能符合实际需求。
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。
Results The diagnosis accurate rate of ultrasound was 94% (15/16). A transverse tube-like anechoic area was detected in the upper-middle abdomen on ultrasonogram.
结果输入袢梗阻的超声诊断符合率为94% ( 15 /16) ,其声像图表现为中上腹横置长管状无回声暗区。
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。
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。
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