Calibration method and device of optical phased array, storage medium and electronic equipment

CN121767622BActive Publication Date: 2026-07-03SHANGHAI SATELLITE NETWORK RESEARCH INSTITUTE CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
SHANGHAI SATELLITE NETWORK RESEARCH INSTITUTE CO LTD
Filing Date
2026-03-02
Publication Date
2026-07-03

AI Technical Summary

Technical Problem

The accuracy of phase noise prediction for existing optical phased arrays is difficult to guarantee, and they are highly dependent on data and have high operational complexity.

Method used

A composite attention model is adopted, including a multi-core attention module, a spatial attention module, and a channel attention module. It captures global dependencies and spatial and channel context information by extracting features under different receptive fields, and generates phase noise and performs calibration.

Benefits of technology

It enables rapid and high-precision phase calibration under small sample conditions, improves the deployment speed and reliability of optical phased arrays, and solves the problems of low phase noise prediction accuracy and high operational complexity.

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Abstract

The application discloses a method and device for calibrating an optical phased array, a storage medium and an electronic device, wherein the method comprises: obtaining light field data generated by the optical phased array; inputting the light field data into a pre-trained composite attention model to generate phase noise, wherein the composite attention model comprises a multi-core attention module, a spatial attention module and a channel attention module, the multi-core attention module is used to capture global dependency by extracting features under different receptive fields, the spatial attention module is used to capture global spatial context information by local pooling, and the channel attention module is used to capture global channel context information by global pooling; and calibrating the optical phased array based on the phase noise. Through the application, the technical problems that the prediction accuracy of the phase noise is difficult to guarantee and the data dependency and operation complexity are relatively high are solved.
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