Sound pickup and aircraft detection system

A pickup and sound wave technology, applied in the field of sensor measurement, can solve the problem of limited detection distance and achieve the effect of solving the limited detection distance

Pending Publication Date: 2021-06-01
BEIJING CENTURY STAR APPL TECH RES CENT
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  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

[0004] One purpose of this solution is to provide a pickup as the front end of the acoustic wave detection system to form an acoustic resonance aircraft low-altitude detection system to solve the problem that the existing acoustic wave detection system has a limited detection distance due to the influence of the conventional pickup by the environment

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  • Sound pickup and aircraft detection system

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Embodiment Construction

[0030] The implementation manner of this solution will be further described in detail below in conjunction with the accompanying drawings. Apparently, the described embodiments are only part of the embodiments of the solution, rather than exhaustive of all the embodiments. It should be noted that, in the case of no conflict, the embodiments in this solution and the features in the embodiments can be combined with each other.

[0031] The terms "first", "second", etc., if present, in the description and claims and the above drawings are used to distinguish similar items and not necessarily to describe a specific order or sequence. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments described herein can be practiced in sequences other than those illustrated or described herein. Furthermore, the terms "comprising" and "having", as well as any variations thereof, are intended to cover a non-exclusive inclusio...

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Abstract

The invention discloses asound pickup. The sound pickup comprises a sound wave guide part which is used for collecting sound waves in a specific direction and transmitting the sound waves to a sound wave resonance part, the sound wave resonance part which is used for generating resonance based on the same frequency as the sound wave and outputting an electric signal, and a signal processing unit which is arranged in the hollow shell of the sound wave guiding part and is used for processing the electric signal and outputting a corresponding audio signal. The sound wave guide part is a hollow shell with one end opened, the sound wave resonance part is arranged at one end, far away from the opening of the shell, in the hollow shell, and the sound wave resonance part is connected with the signal processing unit. The sound pickup serves as the front end of a sound wave detection system to form a sound wave resonance aircraft low-altitude detection system, and the problem that the detection distance of an existing sound wave detection system is limited due to the fact that a conventional sound pickup is affected by the environment is solved.

Description

technical field [0001] The invention relates to the technical field of sensing and measurement, in particular to a sound pickup and an aircraft detection system. Background technique [0002] Due to its compact size, simple operation, and powerful functions, drones have become one of the fastest-growing emerging industries in recent years. With the increasing application of drones, drones have changed from civilian use to hostile attacks , and even threaten national security. Therefore, the detection, countermeasures, prevention and control management of drones have become common problems all over the world. [0003] At present, the main technical means of UAV detection are radar detection, radio spectrum detection, photoelectric detection, TV broadcast detection and sound wave detection. The above technical means all have their inherent defects. Radar detection technology cannot detect drones with non-conductive materials and hovering drones, which are susceptible to envi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01S11/14G01H11/06B64C39/02
CPCG01S11/14G01H11/06B64C39/02
Inventor 马步远张磊李贵荣
Owner BEIJING CENTURY STAR APPL TECH RES CENT
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