查询词典 underwater sound

Ocean ambient noise is the interference to underwater sound channel, it has great effects on the design and use of all kinds of sonar systems.

海洋环境噪声是水声信道的干扰背景场，任何声纳系统的设计和使用都要受海洋环境噪声的限制。

Ocean ambient noise is the interference to underwater sound channel, it has great effects on the design and use o...

海洋环境噪声是水声信道的干扰背景场，任何声纳系统的设计和使用都要受海洋环境噪声的限制。

Note that in the "viral" marketing campaign for the film, there were hints concerning the "Bloop" incident. Several times during the summer of 1997, the U.S. National Oceanic and Atmospheric Administration recorded an ultra-low frequency underwater sound using U.S. Navy "spy" sensors 3,000 miles apart.

应该注意到在该电影的"病毒性"市场营销里，有一些关于"杂音"事件的暗示。1997年夏天，美国国家海洋大气局使用美国海军"间谍"探测器记录下了一段3000英里外水下的超低频声音。

The results are very useful in analyzing the sound field distribution of combination source in the underwater sound channel.

该成果对于分析水声信道中组合声源的声场分布具有一定的参考价值和指导意义。

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。

By recording the underwater sound of red drum (Sciaenops ocellatus, Sciaenidae) and measuring some physical environmental factors, the relationship between the environmental factors and sound periodicity was studied.

石首鱼发声具周期性，因此以全年水下录音的方法来比较不同环境因子对红鼓鱼发声周期性的影响，结果显示日出与日落都会诱发鱼只增加叫声。

Research and application development of the underwater sound absorbing materials and structures at home and abroad are summarized.

概述了水下吸声机理，综述了常用的吸声材料和吸声结构以及国内外水下吸声材料的研究和应用现状。

In this paper, emphasis was paid to studying effects on the underwater sound attenuation of gradient polymer solutions.

文中详细研究了梯度高分子溶液在不同频率下，聚合物厚度及梯度结构的变化对反射声衰减效果的影响。

To prove the system can be used in underwater acousto-optic communications, with this system, the acoustic frequency and intensity of underwater sound source are detected.

为了证明系统能够应用于水下声光通信，进行了对水下声源发出的声波频率和强度的探测实验。

From the point of the view of the communication theory, the ocean, as the media of sound transmission, is called to be underwater sound channel.

海洋作为水下声波传播的介质，从通信论的观点来看，海洋就是声信道。

Objective To investigate the effects of interleukin-1 β converting enzyme gene on the biologic characteristics of ovarian cancer cells.

目的 探讨白细胞介素-1 β转换酶的表达，对卵巢癌细胞生物学特性的影响。

Campylobacter: This illness is the most commonly identified cause of diarrheal illness in the world.

弯曲：这种病是最常见的原因查明腹泻病，在世界上。