Underwater wireless optical communication alignment method and system based on spatial coherence adaptive differential observation
By constructing a normalized differential observation structure and an extended Kalman filter, and dynamically adjusting the spacing between photodetectors, the alignment accuracy and robustness issues of underwater wireless optical communication systems in turbulent environments were solved, achieving effective decoupling of alignment signals and optimization of environmental adaptability.
CN122293207APending Publication Date: 2026-06-26SUN YAT SEN UNIV
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Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- SUN YAT SEN UNIV
- Filing Date
- 2026-05-14
- Publication Date
- 2026-06-26
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Figure CN122293207A_ABST
Abstract
This invention discloses an underwater wireless optical communication alignment method and system based on spatial coherence adaptive differential observation. The method includes: constructing a photodetector array in the receiver, constructing a normalized differential observation structure, and through differential observation and dynamic spacing adjustment scheme, a laser system transceiver alignment method that can effectively suppress turbulent multiplicative scintillation and adapt to different water dynamic conditions can be developed, significantly improving the alignment accuracy and robustness between the receiver and the transmitter in complex turbulent environments.
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