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- underwater sound generator 水声发生器
- Urick, R.J., Principles of Underwater Sound, McGraw-Hill Companies, 1983. 刘金源,水中声学-水声系统之基本操作原理,国立编译馆,民90。
- The sparker was originally developed for fundamental studies of underwater sound propagation and of subbottom geology. 火花发生器原来是为了进行关于水下声波传播及海底地质的基础性研究而制造的。
- This paper describes the design of underwater sound projector using thinwalled piezoelectric ceramic ring. 本文叙述薄壁压电陶瓷圆管水声发射换能器的设计。
- ZHANG Guxiang,HE Zuoyong,ZHANG Bing.Near-field acoustic holography on underwater sound sources. 张德俊;夏献华;鄢锦;程建政;王群;朱念秋.;近场声全息成像方法的研究
- A PVDF piezoelectric membrane is used as sensitive element for measuring the scalar pressure of the underwater sound field. 而声压通道采用PVDF压电薄膜作为敏感元件,以拾取水下声场中的标量信息。
- Having trouble getting to sleep? Hammacher has the answer with the Travel Sleep Sound Generator. 旅行催眠声音发生器。
- Later whenever saw Shui Huo hears the underwater sound, even thinks of the water, may cause sends the above symptom, therefore calls " hydrophobia ". 以后每当看到水或听到水声,甚至想到水,都可引起发上述症状,所以又称"恐水病"。
- PVDF piezoelectric membrane is used as sensitive element for measuring the scalar pressure of the underwater sound field. 而声压通道采用PVDF压电薄膜作为敏感元件,以拾取水下声场中的标量信息。
- Underwater sound communication is quite effective for joint tactical actions of submarines with other sub and / or surface ships. 水声通信系统对于水面战舰和潜艇之间,以及潜艇和潜艇之间的联合战术动作时非常有效的。
- As a special hydrodynamic sound generator, ultrasonic siren has applicative effects on viscosity reduction, scale removal on electric pump well. 作为一种特殊的流体动力式声波发生器,超声旋笛在电泵井防垢降粘方面有着显著的使用效果。
- The gradient polyurethanes with polyurethanes/inorganic fillers were prepared and their underwater sound absorption coefficients were measured in sound tube. 制备了由聚氨酯/无机填料组成的梯度聚氨酯,并在声管中测试其水声吸声系数。
- Sound Generator and tape deck (music) installed. Also installed: light, alarm; 3 electric engines and 5 accu's with 12 Volt, totalling 35 Ah. Weight ca. 50 Kilo. 声音发生器已安装.;磁带放音机已安装
- Underwater sound was received using a hydrophone connected to a charge amplifier and a data-acquisition system for capturing the main characteristics of the sound. 在本文中,我们提出一个使用单一摄影机的即时手势辨识系统,用以控制虚拟环境中摄影机的方位与运动以达到互动导览的目的。
- Like the GTI, the GTD is equipped with a “sound generator” that emits a "sonorous" sound, says VW, which helps it sound nearly as sweet as a gasoline engine. 如倡议,电话簿配备“声音发生器”的发出“铿锵”的声音说,大众汽车,这有助于它健全的近甜作为汽油发动机。
- We may assume that the meanings of these underwater sounds correspond closely to these with which we are familiar on land. 我们可以假定水下声音和陆地上我们熟悉的声音含意相似。
- A sonar array is a device towed behind a ship that listens and locates underwater sounds. 声纳阵列是一种拖拽于舰艇之后侦听及定位水下声波的装置。
- A sonar array is a radar towed behind a ship that listens and locates underwater sounds. 声纳阵列雷达拖着船舶侦听和位于水下声音。
- Dr West, the sound general practitioner, with no pationce for frills, made jokes about his colleague. 韦斯特大夫是个经验丰富的医生,他讨厌摆架子,爱开同事的玩笑。
- The fiber Bragg grating (FBG) hydrophone and the distributed feedback (DFB) fiber laser hydrophone are recent rapidly developing underwater sound detection technologies based on fiber grating. 摘要本文简单介绍了基于光纤光栅的光纤布喇格光栅(FBG)水听器以及分布反馈式(DFB)光纤激光水听器的基本工作原理与信号解调的基本方法。