target strength

Analysis of Target Strength and Echo in Time Domain for Bistatic Sonar

双基地目标强度及回波时域特性研究

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Target Strength Calculation of Underwater Complicated Targets Coated with Absorbing Materials

敷设吸声材料复杂目标的目标强度计算

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Calculating and measuring target strength of different shapes of mines

水雷不同外形目标强度的计算与测量

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An integral representation is derived for calculation of the form function or target strength. the resulting scattered field consists of three parts: ( 1) the scattered field from the object in full space;

导出了计算形态函数或目标强度的积分表示式.所产生的散射场由三部分组成：（1）不存在界面时目标的散射场；

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To reduce the acoustic target strength of submarines and other underwater objects, a single layer of glass fibrous reinforced composites ( GFRP) was replaced by a sandwich of the material.

为了降低水下航行器和物体表面的声反射和声辐射强度，可以采用玻璃钢夹层结构代替单层玻璃钢结构。

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Exact measuring target strength of underwater target

准确测量水下目标的目标强度

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The sound-absorbing materials not only could reduce target strength of submarines, also have the isolation and sound insulation effects. The sound-absorbing materials played a more important role in improving the stealth of submarine.

吸声材料不仅能够降低潜艇目标强度，还具有隔振和隔声的作用，对于提高潜艇隐身性具有不可忽视的作用。

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There are many merits for focused liquid-filled spherical reflectors: email geometric size, high target strength, excellent frequency property, homogeneous directivity, low cost and easily placed in the sea.

充液聚焦球形反射体具有几何尺寸小、目标强度大、频率特性好、方向性均匀、成本低、海上布设方便等优点，是目前标准反射体中较好的一种。

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We has been buit the mathematical relationship in target strength reduction of tiling for submarine and reducing range of sonar.

建立了敷瓦潜艇目标强度降低与声呐作用距离减小的数学表达式。

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LFM signal will likely become the main signal form in underwater target strength broadband test.

线性调频信号可能将成为水下目标强度宽带测试的一种主要信号形式.

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The noise indicators of ship include radiated noise, self noise, target strength and internal airborne noise.

舰船的噪声指标主要包括辐射噪声指标、自噪声指标、目标强度和舱室空气噪声指标。

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In this paper, the means to reduce mine's target strength ( TS) and its effects to reduce sonar detection distance are also analyzed, and it is proved an effective method.

讨论了改变水雷外形以降低其目标强度（TS）途径，分析了几种不同水雷外形对声纳探测距离的影响，认为改变水雷外形是降低声探测距离的有效手段。

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Through the modeling and simulating, the pattern of scattering echo and the relation between target strength and azimuthal angle are obtained when the source and receiver are separated.

通过建模与仿真实验，得出了椭球目标在双基地条件下，散射回波的空间分布，以及在不同分置角时，散射强度随目标姿态角的变化关系曲线。

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Target strength and Echo-to-reverberation ratio of bottom mines

沉底水雷目标强度与回声信混比

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With the development of acoustic stealth technology, the noise and target strength of underwater target significantly reduced, and the sonar operating range is decreasing accordingly.

现阶段由于声隐身技术的发展，水下目标的辐射噪声和目标强度都大幅降低，声纳的作用距离也随之下降。

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Series of low-carbon should insist the suited and logical principle between strength and toughness. During drawing steel wire, increasing hard percentage elongation and against bendability target on the premise of ensuring strength.

低碳系列棉花打包丝应坚持强度和韧性合理匹配的原则，钢丝制造过程中在保证强度的前提下应努力提高延伸率和反弯指标。

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By means of quasi-static cavity expansion theory, target strength resistance formulas are deduced for different response of target.

应用准静态空腔膨胀理论，对于靶体不同响应推导得到了靶体强度阻力公式；

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Theoretical analysis of the target strength of a submarine model

潜艇模型目标强度的理论分析

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The target strength and echo-to-reverberation ratio of a buried target in sediment

海底掩埋物的目标强度和回声信混比

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In this paper, the target strength ( TS) of mines lying on the seabed was predicted by use of the physical acoustics method and the planar element method.

文章利用板块元方法和物理声学方法对界面附近目标的目标强度计算理论预报沉底水雷的目标强度。

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A New Method for the Calculation of Submarine's Target Strength

求取潜艇声反射强度的新方法

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Emphasis is placed on the acoustic survey, which includes survey design, acoustic instrument calibration, survey data collection, fish target strength determination, echogram scrutinizing, data processing and fish biomass estimation.

其中重点介绍了声学调查与评估，它包括调查设计、数据采集、目标强度确定、映像分析、数据处理、生物量计算等。

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Then the target strength is deduced based on the modified Kirchhoff approximation.

然后采用修正的Kirchhoff近似方法计算目标强度。

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The result shows that the target strength formula derived in this paper is consistent with that of the rotational ellipsoid.

理论上推导出的水下前向散射目标强度的计算公式与旋转椭球体目标强度的经验公式一致。

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Target Strength for Different Kinds of Small Spheres at 3 MH_Z

几种作为参考目标的小球体在3MH Z频率下的目标强度

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A Method of Averaging Fish Target Strength ( TS) in Three Dimensions

单体鱼目标散射强度（TS）的三维平均方法

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Penetration is calculated in accordance with quasi-steady process, and the effects of target strength and break-up of jets are also considered.

侵彻按准定常过程进行计算，同时考虑了靶板强度及射流断裂的影响。

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Prediction target strength of mines lying on the seabed

沉底水雷目标强度预报

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The planar element method for computing target strength ( TS) of sonar

声呐目标强度（TS）计算的板块元方法

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One difficult problem is how to calculate target strength when you analyze the effect of an active homing torpedo attack on a submarine or a ship at sea.

分析主动声自导鱼雷攻击潜艇或水面舰艇的作战效果时，目标强度的求取是一个比较困难的问题。

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