pressure hydrophone
英
美
网络 声压水听器
双语例句
- For the purpose of improving the acoustic pressure sensitivity of the Fiber Bragg Grating ( FBG) hydrophone units, a sensitization configuration based on shell spring is presented.
为了提高光纤布喇格光栅（FBG）水听器的声压灵敏度，提出了一种基于薄壳弹簧的增敏结构。 - Acoustic Pressure Sensitivity of Yb~ ( 3+)/ Er~ ( 3+) Co-Doped Distributed Bragg Reflection Fiber Laser Hydrophone
基于铒镱共掺分布布拉格反射式光纤激光器的有源光纤水听器声压灵敏度 - Analysis of the Pressure Phase Sensitivity Response of the Air-backed Mandrel Fiber-optic Hydrophone
芯轴型光纤水听器声压相移灵敏度响应分析干涉型声光纤声传感器 - Then the equivalent model of the dynamics, the theoretical model of the pressure phase sensitivity and dynamic response model of the fiber-optic mandrel hydrophone are obtained.
建立了动力学等效模型，得出带空气腔芯轴型光纤水听器声压相移灵敏度表达式以及频率特性的理论模型； - Research on Characteristics of Sound Pressure Field On Vector Hydrophone
矢量水听器的声压场特性研究 - Measurement of the Frequency Response of the Acoustic Pressure Sensitivity of the Fiber-Optic Hydrophone with Linear Sweep Signal
利用线性扫频信号测量光纤水听器的声压灵敏度频响特性 - Compared with the pressure hydrophone, vector sensors have many advantages.
矢量水听器较传统声压水听器有诸多优势。 - Pressure gradient hydrophone is one of the implementation forms of acoustic vector sensors while another form is the vibrating sphere.
压差水听器是水声矢量水听器的一种实现形式，同振球则是另一种实现形式。 - A piezoelectric pressure gradient hydrophone based on bilaminar sensing elements is introduced. The hydrophone construction design, experimentally measured directivity and receive sensitivity characteristics are described, Several possible modifications of the hydrophone designs are presented.
介绍一种采用双选片压电敏感元件的声压梯度水听器.描述了这种水听器的结构设计方法以及实测的指向性、接收灵敏度特性，提出几种可能的变型设计。 - Many kinds of normal mode decomposition method have already been derived using pressure hydrophone array. But the performances of these methods are too sensitive to the signal to noise ratio.
多种简正波分离方法都是利用声压水听器阵产生的，但是这些方法的效果对信噪比太敏感。 - 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。 - 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。 - Experimental study on spectrum of turbulent-boundary-Layer fluctuation pressure and response of a PVDF hydrophone
湍流边界层起伏压力谱和聚偏氟二乙烯薄膜（PVDF）水听器响应的实验研究 - In this paper, beam patterns of vector-hydrophone linear array using different components of vector hydrophone were presented and compared with pressure hydrophone array.
本文研究了矢量水听器均匀线阵的采用不同方式进行波束形成的波束图，并和声压阵相应的量进行了比较。 - The results indicate that ESPRIT algorithm based on vector sensor can obtain higher resolution frequency estimation than that based on pressure hydrophone.
结果表明基于矢量传感器的算法比基于声压传感器的算法具有更高的频率估计精确度。 - The pressure hydrophone array manifold can be divided into two subarray manifolds, which constitute a rotation pair, and the rotational invariant factors comprise the source's direction cosine.
其中声压水听器阵可以被划分为2个子阵，它们构成旋转对，旋转因子为包含某一轴方向余弦信息的相位延迟因子。 - Spatial gain analysis of pressure gradient hydrophone based on general signal processing principles
用信号处理的一般原理分析压差水听器的空间增益 - On pressure gradient hydrophone with co-oscillating sphere
同振球型声压梯度水听器的研究 - Comparing to the acoustic pressure detector it is the main advantage of the signal detection technique of vector hydrophone.
这正是矢量水听器检测技术的诱人之处。 - The results indicate that higher resolution for DOA estimation can be obtained by using a vector-hydrophone uniform linear array rather than a pressure hydrophone uniform linear array which had the same output channels.
研究结果表明，在相同的信噪比条件下，利用扩展孔径矢量线阵可获得比具有相同输出路数的声压阵更好的方位估计性能。 - Analysis of pressure sensitivity in interferometric fiber optic hydrophone
干涉型光纤水听器声压灵敏度分析 - The paper presents an analysis on the spatial gain of pressure gradient hydrophone as an example of the theoretical treatment based on general signal processing principles.
作为一个事例，本文用信号处理的一般原理，分析压差水听器的空间增益。 - 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。 - The mathematical model of pressure gradient hydrophone is much simpler and easier for theoretical analysis.
压差水听器的数学模型比较简单，便于数学分析。 - The results indicated that the width of main beam of vector-hydrophone was narrower than that of pressure hydrophone array at the same aperture.
结果表明，相对于声压阵，在不增加阵孔径的前提下，利用矢量水听器阵获得的波束主瓣更窄，旁瓣更低。 - 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 point power spectrum density and the wavenumber frequency spectrum density of turbulent-boundary-layer fluctuation pressure are measured by use of a φ 8 mm hydrophone and a 20-element array, respectively.
利用一个φ8mm水听器和一个20元阵在水洞中测量了湍流边界层起伏压力的点功率谱密度和波数频率谱密度。 - 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 form of the array is a uniform vertical pressure sensor array, in whose center there is one three-dimensional vector hydrophone. By this combination array, the three-dimensional parameters of the near-field sources including the azimuth angle, the elevation angle and the distance can be achieved.
该算法采用均匀垂直声压阵中心配置单只三维矢量水听器的基阵形式，即可完成对近场源方位角、俯仰角和距离的三维参数估计。