Separation-type underwater small-platform acoustic fuze system and detection method

A small platform, separate technology, applied in the field of acoustic fuze system, can solve the problems of high false alarm rate, difficult design of acoustic fuze system, low detection probability, etc., to reduce the difficulty of design, flexible design, and increase time. Effect

Pending Publication Date: 2018-06-15
HARBIN ENG UNIV
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Problems solved by technology

[0003] Existing acoustic fuze systems often use acoustic detection arrays to detect the radiated noise of water surface targets. However, the limitations of small platform space size and low power consumption, as well as the overall fluid dynamics requirements, bring new challenges to the design of acoustic fuze systems. However, the high false alarm rate and low detection probability make it difficult to obtain better application results in practice.

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  • Separation-type underwater small-platform acoustic fuze system and detection method
  • Separation-type underwater small-platform acoustic fuze system and detection method
  • Separation-type underwater small-platform acoustic fuze system and detection method

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Embodiment approach 2

[0064] combined with figure 2 , the implementation scheme 2 of the separate acoustic fuze system is as follows: the difference between this implementation scheme and the implementation scheme is that the acoustic fuze system adopts a mode of dragging more than one, that is, one detection and wake-up signal transmitting module, multiple duty platforms, detection After the module sends a new target, it wakes up the nearest platform to the target according to the relative spatial position between the target and each on-duty platform. Therefore, it is necessary to encode the wake-up signal, edit the identity information of each platform into the code, and use common communication Coding method, such as spread spectrum coding. If the number of on-duty platforms is small, such as 2 to 3, a combination signal of multiple positive angular frequencies can be used as the wake-up signal, and different frequency combinations represent different platforms.

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Abstract

The invention provides a separation-type underwater small-platform acoustic fuze system and a detection method. The system is formed by a detection module, an awakening module and an on-duty module. The awakening module and the detection module are integrated together. The on-duty module is integrated on a platform. The on-duty module and the detection module are separated physically. The detection module is responsible for carrying out passive detection on a water surface target and determining a target orientation and a distance. According to a detection result, an underwater acoustic communication on-duty and awakening mechanism is used to awaken the platform in an on-duty state so as to trigger the safety and protection measures of the platform. In the invention, an integrated acousticfuze system is not limited by a platform space size, power consumption, a profile and the like; and problems that the acoustic fuze system is difficult to design and a practical application effect ispoor are solved.

Description

technical field [0001] The present invention relates to an acoustic fuze system. Specifically, it is an underwater small platform acoustic fuze system and a control method. Background technique [0002] With the development and utilization of marine resources in my country, strengthening the security of key waters such as various drilling platforms, ships, marine bases and port waterways is crucial to my country's strategy of a strong marine country and sustainable development strategy. Detection and early warning of surface targets such as large ships is an important part of underwater security. Using a small platform to passively detect the radiation noise of water surface targets has the advantage of flexible deployment. It can automatically stay on duty underwater for a long time, and give early warning to targets entering secure waters, which is an important guarantee for the security of key waters. [0003] Existing acoustic fuze systems often use acoustic detection...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01S15/74
CPCG01S15/74
Inventor 聂东虎乔钢刘凇佐孙宗鑫周锋马璐梁佳李磊安思宇庞桐桐马永铮
Owner HARBIN ENG UNIV
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