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。
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。
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。
In this paper, based on image stereovision, a method used for 3-d reconstruction of target image is introduced, and according to this method, target strength is calculated.
本文从图像立体视觉出发，提出了一种利用目标照片进行三维重建进而计算其目标回波强度的方法。
When the configuration of source, target and receiver has complicated triangular relationship, the relationship among target strength, incidence angle and bistatic angle is obtained.
在声源、目标和接收机之间呈复杂的三角形关系条件下，找到了目标强度与入射角、分置角之间的关系。
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。
When we use it to test the underwater target strength, one problem is how to discriminate the direct sound of the source with the echo reflected from the target, finding the target character quickly.
当利用它进行水下目标强度测试时，一个很实际的问题就是怎样区分声源直达声和目标反射回声，快速找出目标特性。
When we use it to test the underwater target strength, one problem is how to discriminate the direct sound of the source with the echo reflected from the target, finding the target character quickly.
当利用它进行水下目标强度测试时，一个很实际的问题就是怎样区分声源直达声和目标反射回声，快速找出目标特性。
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