Spatial correlation coefficients of acoustic pressure and particle velocity based on vector hydrophone

基于矢量 水听器的声压和质点振 速的空间相关系数

The hydrophone is constructed with a pressure hydrophone and particle velocity hydrophone and is called combined hydrophone .

它是由声压型水听器与振 速 水听器在结构上组合为一体而构成。

Modeling and simulation of the velocity hydrophone with inner accelerometer can be performed with multi-port-element network modeling method effectively .

多端口组件网络方法能够有效地实现振 速 水听器的建模与仿真。

Therefore the applications of the ray-parameter method to thin layers and the refraction method to hard layers need to be considered in an acoustic velocity measurement system composed of a sound source and a towed hydrophone streamer .

为此，有必要在一个由声源和拖曳 水听器 阵组成的 声速测量系统中设置接射线参数法和折射法测量海底地层声速的处理功能。

Design and Analysis of Velocity Hydrophone with Co-Oscillating Sphere and Inner MEMS Accelerometers

基于微机械加速度计的振 速 水听器的设计与分析

Each vector hydrophone is composed of one velocity hydrophone plus another co-located pressure hydrophone .

每个阵元（矢量水听器）由 空间 共点的一个声压水听器和一个振 速 水听器构成。

Effects of elastic elements on velocity hydrophone with co-oscillating sphere

弹性元件对同振球型振 速 水听器的影响

A vector hydrophone is using to measuring the vector of sound field it consists of two or three spatially collocated but orthogonally oriented velocity sensors ( pressure gradient sensors accelerometer or displacement sensors ) plus an optional collocated pressure hydrophone .

矢量水听器是用来测量水下声场矢量的声接收换能器，它由 声压水听器与振 速传感器（或声压梯度传感器、加速度计、位移计）等以不同方式同心地组合而成。

An acoustic vector hydrophone measures the scalar acoustic pressure and the vector acoustic particle velocity thus the DOA can be estimated by single vector hydrophone .

矢量水听器由于能获取声场中标量（声压）和矢量（ 振速）信息，因此单个的矢量 水听器就可实现目标方位估计。

The pressure and particle velocity could be measured vector hydrophone at the same location and the same time in underwater sound field then the message of sound field could be described briefly .

矢量 水听器能够同时测量声场中某点的声压和质点振 速，从而完整的描述声场信息。

The results indicate that besides density and dimension the bandwidth of velocity hydrophone with good fidelity is decided by the characters of both vibration systems the external suspension system and the accelerometer itself .

分析结果表明， 振 速 水听器不失真测量的工作带宽取决于其与 水 介质的密度比、波尺寸、与 弹性 连接 构成振动系统以及加速度计自身振动系统的特性参数。