为水下目标探测和识别提供了新的理论和方法。
This may provide a novel theoretical means in detecting and recognizing underwater targets.
随着低噪声安静型潜艇的出现，传统的水下目标探测手段面临着挑战。
Along with the appearance of the low noise peaceful submarine, the traditional undersea detection methods face the new challenge.
上述研究结果，为脉冲激光致声水下目标探测等应用提供了理论和实验依据。
These results can provide theoretical and experimental proof for application of laser acoustics in under-water object detecting.
该测量方法在激光水下成像、水下目标探测以及对潜激光通信都将具有重要的推广应用价值。
This means of measurement will be widely used in the fields such as laser underwater imaging, underwater target detection and laser submarine communication.
建立了机载激光水下目标探测中的卵形螺旋线扫描系统的数学模型，提出了点阵均匀性优化方案。
A mathematical model for an ovoid spiral scanning system with airborne laser for underwater object detection is developed and a scheme for dot matrix uniformity optimization is proposed.
在接收端，通过频率滤波实现对编码信号的提取，由编码信号的信号处理实现激光雷达水下目标探测。
At the receiver, the modulated optical carrier can be examined from a frequency filter to render target detection.
激光雷达在海洋水下目标探测中存在主要的问题是，海水对光的后向散射作用导致目标对比度的严重降低。
The main disadvantage of using LIDAR for the detection of objects in the ocean is that the backscattering clutter limits the contrast of underwater target reflections.
介绍三种基于布里渊散射的水下目标探测方法：F-P扫描干涉仪探测方法、边缘探测方法、F-P标准具-ICCD探测方法，并对这三种方法进行了分析和比较。
Three methods of detecting submerged object based on Brillouin scattering, high resolution scanning F-P interferometer, edge detection technique and solid F-P etalon-ICCD camera, are introduced.
使用雷达探测水下目标是没有用的。
由于受探测手段的限制，水下潜艇对空中目标的威胁评估一直是研究难题。
Limited from detecting means, the threat estimation on air targets is a difficult problem to submarine underwater.
正> 提出了通过估计目标反向散射系数来探测水下远程目标的一种方法。
An approach to the detection of underwater remote target by estimating the back-scattering coefficient of target is proposed.
摘要：为了解决水下远程目标被动探测问题，提出了一种声矢量圆阵的信源数检测方法。
Abstract: to solve the passive detection problems of underwater remote targets, we propose a method for detecting source Numbers with a uniform circular acoustic vector sensor array.
结合各种声纳的探测特性和水下目标的特点，建立了舰艇编队的数据融合方案。
Considering the measurement properties of different sonar and the underwater targets characteristics, the data fusion method of naval fleet is proposed.
为了降低某水下航行装置的辐射噪声，增强其探测目标的能力，对该装置的重要噪声源——传动齿轮箱进行了减振降噪的试验研究。
An investigation was made on the main noise source-the gearbox of the underwater vehicle to reduce the noise and improve its capability of goal-detecting under the water.
近年来，水下导航、海洋探测、水下目标定位以及水下通信等领域迅猛发展，这些领域常常使用水声信号作为信息传输的载体。
In recent years, the field such as underwater navigation ocean exploration locating of underwater object and underwater communication develop very fast.
水下激光探测技术在水下目标搜索、海洋地质勘探、目标识别等领域都具有重要的应用价值。
The technology of underwater laser detection has very important practical value at many fields such as detection of underwater target, ocean geological reconnaissance and target recognition.
研究结果为建立精确描述辐射噪声信号的非线性模型、为水下弱目标信号探测和识别提供一定的理论依据。
The results given in this paper, could provide novel theoretical foundation for the nonlinear character description of the ship noise, as well as for the latter detection and recognition.
水下目标声散射特性研究是主动声纳赖以工作的基础，也是主动探测产生新思想、新原理、新方法的基础。
The study on the characteristics of scattering from an underwater target is only the base that the active sonar works on but also the source which new ideas, new theories and new methods come from.
本系统由四个等深度的声纳浮标组成，可以以被动方式探测水下目标，并对目标进行定位。
The passive location system consisting of four buoys with the same depth can detect the targets passively and get the locations of the targets.
论文文摘本论文基于主动声纳的基本原理，提出适用于浅海环境水下近程低速目标主动声探测系统。
On the base of the active sonar theory, This thesis provide active ultrasonic detecting system that application in low-speed moving object of short-range in shallow sea surroundings.
为了利用侧扫声呐进行水下目标自动探测和识别，首先必须将声呐图像分为目标高亮区、海底混响区和目标阴影区。
Side-scan sonar image (SSI) must be segmented into regions of shadow, sea-bottom-reverberation, and object-highlight before underwater object can automatically be detected and recognized.
结合各种声纳的探测特性和水下目标的特点，建立了舰艇编队的数据融合方案。
Requirements analysis for the underwater acoustic warfare system based on the formation of ship;
文章分析了调制脉冲激光雷达探测信号水下传输模型，研究了海水后向散射信号以及目标反射信号的频域特性。
The article analyses the seawater transport model of the modulated-pulse LIDAR signal, and the frequency characteristic of the seawater backscattering signal and target reflecting signal are studied.
文章分析了调制脉冲激光雷达探测信号水下传输模型，研究了海水后向散射信号以及目标反射信号的频域特性。
The article analyses the seawater transport model of the modulated-pulse LIDAR signal, and the frequency characteristic of the seawater backscattering signal and target reflecting signal are studied.
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