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A method, device, and system for identifying an optical fiber vibration source

A technology for identifying devices and optical fibers, which is applied in measuring devices, instruments, utilizing wave/particle radiation, etc., can solve problems such as multiple interference noises, misidentification of vibration sources, and achieve effective identification of vibration sources, avoid misidentification, and improve reliability. Effect

Inactive Publication Date: 2019-07-26
惠州市明光实业有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] However, the environment where the optical fiber is located usually has a lot of interference noise, which leads to the non-stationary interference of the measured two-dimensional distribution parameters of time and space in the optical fiber signal, causing misidentification of the vibration source

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  • A method, device, and system for identifying an optical fiber vibration source
  • A method, device, and system for identifying an optical fiber vibration source
  • A method, device, and system for identifying an optical fiber vibration source

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Embodiment Construction

[0027] In the following description, for purposes of illustration rather than limitation, specific details, such as specific system architectures, interfaces, and techniques, are set forth in order to provide a thorough understanding of the present application. However, it will be apparent to those skilled in the art that the present application may be practiced in other embodiments without these specific details. In other instances, detailed descriptions of well-known devices, circuits, and methods are omitted so as not to obscure the description of the present application with unnecessary detail.

[0028] see figure 1 , a flowchart of an embodiment of an optical fiber vibration source identification method of the present invention, the method includes:

[0029] S11: The identification terminal acquires a first sampled electrical signal that matches a preset vibration signal model.

[0030] Wherein, the first sampling electrical signal is obtained by converting a first samp...

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Abstract

The invention discloses an optical fiber vibration source recognition method, device and system. The method includes the steps of: obtaining a first sampling electric signal matching a preset vibration signal model by a recognition terminal, wherein the first sampling electric signal is acquired by converting a first sampling optical signal, and the first sampling optical signal is obtained by sampling an optical signal reflected by an optical fiber; analyzing the stability characteristics of the first sampling electric signal in the time domain and the space domain; employing different detection modes to detect the first sampling electric signal based on the different stability characteristics of the first sampling electric signal in the time domain and the space domain; and if the detection passes, determining an optical fiber position corresponding to the first sampling electric signal as a vibration source. Through the above mode, effective vibration source recognition is realized aiming at different environments, and the false recognition of the vibration source is avoided.

Description

technical field [0001] The invention relates to the field of optical fiber communication, in particular to a method, device and system for identifying an optical fiber vibration source. Background technique [0002] With the development of optical fiber processing technology, optical fiber can be used to detect surrounding environmental conditions, such as whether an object passes by and what the object is. When the detection fiber is affected by external interference and vibrates, some characteristics of the transmitted light in the fiber will change. The identification terminal collects the signal, analyzes the characteristics of the collected signal to judge the change of its optical characteristics, and then detects the position of the vibration source. , so as to realize the monitoring of the environment. [0003] However, the environment where the optical fiber is located usually has a lot of interference noise, which leads to the non-stationary interference of the me...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01H9/00
CPCG01H9/004
Inventor 赵银凤刘博宇魏照聂鑫刘本刚李建彬
Owner 惠州市明光实业有限公司