片语

underwater sound signal水声信号

underwater radiated sound水下声辐射

underwater sound system水声系统

underwater mobile sound communication set自携式水下通信机

underwater plasma sound source水下等离子体声源

underwater sound laboratory水声实验室

underwater sound absorbing coefficient水声吸声系数

英汉例句

• the effects on the underwater sound attenuation by the thickness and concentration gradient of polymers were measured in a sound tube at different frequency during the polymers dissolution process.

  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。

• experiments show that such hydrophone can detect underwater sound accurately.

  实验表明：膜片型光纤光栅水听器可準确检测水声信号。

• the research result can be applied to the environment simulation of the underwater detecting system and underwater acoustic warfare system, as well as evaluation of the underwater sound equipment.

  该研究可用于水下探测系统和水声对抗系统的环境模拟，及水声设备的性能评估。

• the sonar buoy testing system can emulate signal of underwater sound and detect the operating status and performance of sonar buoy.

  声吶浮标测试系统能够模拟水下声信号，用以检测声吶浮标的工作状态和性能。

• this paper describes the principle, construction and experimental results of the standard apparatus for underwater sound pressure by using the free-field reciprocity method.

  本文叙述自由场互易法水声声压标準装置的原理、组成和实验结果。

• the skull is cetacean-like but its jawbones lack the enlarged space that is filled with fat or oil and used for receiving underwater sound in modern whales.

  头骨是鲸类动物的头骨，但是与现代鲸类动物的头骨相比，其颚骨缺乏用于接收水下声音的充满脂肪或油的扩大的空间。

• 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。

• the synthetic system simulation tests are presented in the underwater sound environment, respectively. the research result can be applied to the environment simulation of the underwa…

  该研究可用于水下探测系统和水声对抗系统的环境模拟，及水声设备的性能评估。

• the skull is cetacean-like but its jawbones lack the enlarged space that is filled with fat or oil and used for receiving underwater sound in modern whales.

  这个头盖骨和鲸类动物的很像，但它的下颌骨和现代鲸类略有不同，现代鲸类动物的下颌骨中含有额外的空间储存脂肪或者油脂来吸收水下的声音。

• this paper describes the principle, construction and experiments of the standard apparatus for measuring underwater sound pressure with piezoelectric dual-projector by null method in low-frequencies.

  本文叙述压电双发射器零值法低频水声声压标準装置的原理、装置、实验和误差。

• in this paper, we discussed the underwater sound reverberation of moving medium, which is a non-stationary stochastic process even after compensating its energy attenuation.

  本文讨论了运动介质的水声混响过程，在补偿了能量衰减之后，它仍是一非平稳随机过程。

• a method of measuring correlation between signal pulses for the investigation of random time-variant properties of underwater sound channel is presented in this paper.

  本文提出一个研究海洋声传输信道随机时变特性的脉间相关法。

• a system using transmitted and reflected underwater sound waves to detect and locate submerged objects or measure the distance to the floor of a body of water.

  一种系统，通过利用传送或反射的水下声波，来探测或定位水下物体或者测量某一水域的深度。

• investigating the channel of the underwater sound and the effect of the signal detection in it, by utilizing the obtained results, the optimum receiving direction can be chosen.

  当研究水声信道和信号在其中的检测效果时，利用本文的结果可以选择最佳的接收方向。

• this paper focuses on the research of the system structure of the synthetic environment of the passive sonar and the modeling and simulation test of the underwater sound synthetic signal.

  以水中运动目标为例，给出了水声环境下，合成信号、环境噪声、海洋声学的数学模型和合成环境系统仿真实验。

• this dissertation developed a set of software for predict the system function of underwater sound channel combined modified harpo arithmetic and grab arithmetic.

  本文结合改进harpo算法和grab算法开发了一套水下声信道传递函数预报软件。

• 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。

• 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。

• in all these technology major means are the underwater sound and the electronics. in this paper a brief description of the relationship between ocean exploitation and tools to operation is presented.

  本文叙述水声技术在现代海洋开发事业中的重大作用，讨论电子技术、计算机技术对水声技术发展的重要影响。

• due to the complexity of underwater sound field and huge amount of memory requirement, the distribution of underwater sound field ne arly couldn't be fully described with pc computer.

  由于水声声场分布复杂多变，受局部条件影响较大，同时其存储数据容量较大，使得在普通pc机上几乎无法真实全面地描述实际声场分布。

• based on measuring the cross-spectrum density of sound pressure between two hydrophones, the facility for underwater sound intensity measurement is investigated and designed.

  基于双水听器互谱测量法，研制的水声声强测量设备可用于测量水下声源产生的声场中任意点的声强量值或任意面上的声强量值分布。

• area electronic buoys system is a large-scale underwater sound equipment of tracking and locating moving objects such as submarines, torpedoes and ships.

  区域电子浮标系统是一套大型的水声跟蹤定位设备，其主要任务是準确跟蹤和定位海上多个运动目标（如潜艇、鱼雷、船只等）的运动轨迹。

• advantages of power operational amplifier in underwater sound transmitter and problems of power opertional amplifier with reliability and stability in application are described.

  描述了功率运放在水声发射机方面的特点，探讨了功率运放在应用中可靠性和稳定性等方面的问题，给出了发射机应用实例。

• as ocean environment is complicated and varied, it makes sound signals strongly distorted and fluctuated during their transmission through underwater sound channel.

  由于海洋环境条件的复杂多变，使得声信号在海洋信道中的传递存在着强烈的畸变和涨落。

• this paper describes the principle, construction, performance and error analysis of the standard apparatus for underwater sound pressure in high-frequency range.

  本文叙述高频水声声压标準装置的原理、组成、性能和误差分析。

• given the method of sound intensity measurement calibration for this underwater sound intensity measurement;

  对系统测量水声声强量值的不确定度进行了估计并进行了实验验证。