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Optical fiber code identification system and method for eliminating physical point noise interference

A technology of code recognition and noise interference, which is applied in the field of optical fiber communication, can solve problems such as difficult to eliminate noise interference at physical points, and achieve the effects of reducing product calculations, improving accuracy, and improving efficiency

Active Publication Date: 2022-03-01
ZHONGSHAN SHUIMU GUANGHUA ELECTRONICS INFORMATION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

For this reason, the present invention proposes an optical fiber code recognition system and method that eliminates physical point noise interference, and solves the problem that existing software algorithms are difficult to eliminate physical point noise interference

Method used

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  • Optical fiber code identification system and method for eliminating physical point noise interference
  • Optical fiber code identification system and method for eliminating physical point noise interference
  • Optical fiber code identification system and method for eliminating physical point noise interference

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Embodiment Construction

[0017] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0018] In the description of the present invention, it should be understood that the orientation descriptions, such as up, down, front, back, left, right, etc. indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only In order to facilitate the description of the present invention and simplify the description, it does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific ...

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Abstract

The invention discloses an optical fiber code identification system and method for eliminating physical point noise interference, and the system comprises a high-speed core processing module; the narrow-spectrum light source and the wide-spectrum light source are electrically connected with the high-speed core processing module respectively; the first wavelength division multiplexer is respectively connected with the narrow-spectrum light source and the wide-spectrum light source through optical fibers; a first light wave pulse generator; the circulator is used for transmitting light waves according to a path, the input end of the circulator is connected with the first light wave pulse generator, and the output end of the circulator is connected with a light coding product with physical points; a second light wave pulse generator; a second wavelength division multiplexer; a spectrum recognition device; a photoelectric conversion module; and a high-speed acquisition module. According to the scheme, the noise interference caused by the physical point is eliminated by utilizing a certain difference between the time domain position of the optical fiber code and the time domain position of the physical point, and compared with the prior art, the product operand can be reduced, the optical fiber code recognition efficiency is improved, and the optical fiber code recognition accuracy is improved.

Description

technical field [0001] The invention relates to the field of optical fiber communication, in particular to an optical fiber code recognition system and method for eliminating physical point noise interference. Background technique [0002] In the existing optical fiber code identification, because multiple optical fiber code connections have physical points such as physical connection points and physical ends, the frequency domain spectral waveforms generated by these physical points have a certain degree of similarity with the spectral waveforms generated by optical fiber codes. There is a method of using software to eliminate and it is difficult to eliminate, resulting in a large amount of calculations for optical fiber code recognition and excessive noise. It is necessary to eliminate this part of the noise from the perspective of methods and systems. Contents of the invention [0003] The present invention aims to solve at least one of the technical problems existing i...

Claims

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Application Information

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IPC IPC(8): H04B10/071H04B10/079H04B10/508H04B10/572H04J3/06H04J14/02
CPCH04B10/071H04B10/0791H04B10/508H04B10/572H04J14/0202H04J14/0283H04J3/0617
Inventor 朱惠君薛鹏毛志松邬耀华
Owner ZHONGSHAN SHUIMU GUANGHUA ELECTRONICS INFORMATION TECH CO LTD
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