In 1967, Edgerton's side-scan sonar systems revealed a large, unusually shaped object, which McKee believed was the Mary Rose.
1967年，埃杰顿的侧扫声纳系统发现了一个巨大的、形状异常的物体，麦基认为它就是玛丽·罗斯号。
Automatic recognition of underwater targets is one of the key techniques in modern passive sonar systems.
在现代被动声纳系统中，水下目标的自动识别是关键技术之一。
Modern sonar systems generally use hydrophone arrays and advanced signal processing techniques to improve their detection and localization abilities, and beam forming plays an important role.
现代声纳系统普遍采用水听器基阵和一定的信号处理来提高对目标的检测和定位能力，而基阵的波束形成则在其中起着核心作用。
Modern sonar systems generally use hydrophone arrays and advanced signal processing techniques to improve their detection and localization abilities, whereas beamforming plays an important role.
现代声呐系统普遍采用水听器基阵和先进的信号处理手段来提高对潜艇的检测和定位能力，而基阵的波束形成则在其中起到了核心作用。
The frequencies used in sonar systems vary from infrasonic to ultrasonic.
声纳所使用的频率从次声到超声不等。
The submarine is fitted with sophisticated sonar systems, including bow-mounted sonar and H/SQC-207 flank-mounted sonar.
潜艇配备有复杂的声纳系统，包括艇艏安装声纳和H/SQC-207舷侧声纳。
However, in modern high-resolution sonar systems, the statistics of reverberation envelope is not in accord with Rayleigh-distributed model.
然而，在现代高分辨声纳系统中，混响包络的统计特性并不符合瑞利分布模型。
The algorithm is fast and accurate with a strong anti-jamming capability, which can be used for echo signal analysis and processing in real-time multi-beam sonar systems.
通过实时提取信号的幅度及形状的综合特征计算出信号的时延。该方法具有较强的抗干扰能力，算法快速、准确，适合于多波束声呐系统的回波信号实时分析处理。
Underwater acoustic models are now routinely used to forecast acoustic conditions for planning at-sea experiments, designing optimized sonar systems and predicting sonar performance at sea.
水下声学模型现今通常用于预报海上试验计划和设计最优声呐系统的声学环境以及预测海上声呐性能。
Underwater acoustic models are now routinely used to forecast acoustic conditions for planning at-sea experiments, designing optimized sonar systems and predicting sonar performance at sea.
水下声学模型现今通常用于预报海上试验计划和设计最优声呐系统的声学环境以及预测海上声呐性能。
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