sonar equipment

Effect Evaluation Method of Hydroacoustic Electronic Warfare Equipment Countering Platform Sonar

水声对抗器材对抗平台声纳效果评估方法

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The system of passive ranging SONAR makes use of the target noise received by the equipment which converts energy from one form to another to estimate the target distance.

被动测距声纳系统是利用换能器基阵接收的目标辐射（噪声）信号来估计目标距离。

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The use of motorboats, nets and fishing rods, and sonar equipment allows for overexploitation to occur.

使用汽艇, 蚊帐和钓鱼竿, 和声纳设备,可以过度发生.

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Sound as the most effective physical means of long-range underwater detection and communication. Currently international and domestic has developed a variety of sonar equipment ( such as side-scan sonar, synthetic aperture sonar, self-propelled variable depth sonar, etc.) for detecting underwater targets.

声是水下远距离探测、通讯的最有效的物理手段，目前国际国内已发展装备了各种声纳（如侧扫声纳、合成孔径声纳、自航式变深声纳等）用于探测水下目标。

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In modern Sonar equipment the several signal operation modes are usually required, for instance, the keying single frequency signal operation mode, the keying frequency modulation signal operation mode and etc.

在现代声纳中常要求在一部声纳中同时具有几种信号工作方式的功能，例如单频脉冲信号工作方式、键控式调频信号工作方式等等。

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