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基于機器學(xué)習的量子通信激光器功率控制系統設計
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軍事科學(xué)院軍事科學(xué)信息研究中心

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Design of Power Control System for Quantum Communication Laser Based on Machine Learning
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    摘要:

    量子通信激光器的頻段的帶寬更寬,在無(wú)線(xiàn)通信方面具有潛在的超高傳輸容量,也能夠發(fā)揮快速波載的應用特性。但受功率控制的不協(xié)調因素限制,量子通信激光器在數據傳輸中脈沖功率會(huì )產(chǎn)生波動(dòng),導致傳輸帶寬產(chǎn)生畸變,研究基于機器學(xué)習的量子通信激光器功率控制系統設計方法。以獲取不同的控制指令為前提條件,將單片機和FPGA作為量子通信激光器主控單元。采用A/D作為轉換單元,通過(guò)串行封裝設計轉換電路。基于機器學(xué)習分析電流與電壓關(guān)系,實(shí)現系統硬件設計;構建量子通信激光機通信檢測單元,在多量子耦合關(guān)系下,設定激光器有源區控制形式,基于介電常數分析激光器運行模式,對應量子通信功率反饋條件。基于機器學(xué)習中Q函數算法,尋找功率最優(yōu)控制方案,完成系統軟件設計。實(shí)驗結果表明:以小信號增益為測試的變量條件,應用本文系統控制量子通信激光器脈沖功率,能夠在50次往返過(guò)程中實(shí)現功率的穩定控制,且脈沖寬度沒(méi)有發(fā)生畸變,具有應用效果。

    Abstract:

    Quantum communication lasers have wider bandwidth in the frequency band, have potential ultra-high transmission capacity in wireless communication, and can also play an important role in the application of fast wave carrier. However, due to the incompatibility of power control, the pulse power of quantum communication lasers will fluctuate during data transmission, resulting in distortion of transmission bandwidth. The design method of power control system for quantum communication lasers based on machine learning is studied. On the premise of obtaining different control instructions, the microcontroller and FPGA are used as the main control unit of the quantum communication laser. A/D is used as the conversion unit, and the conversion circuit is designed by serial encapsulation. The relationship between current and voltage is analyzed based on machine learning, and the hardware design of the system is realized; The communication detection unit of the quantum communication laser machine is constructed. Under the multi quantum coupling relationship, the control form of the active area of the laser is set, and the operating mode of the laser is analyzed based on the dielectric constant, corresponding to the power feedback conditions of the quantum communication. Based on the Q function algorithm in machine learning, the optimal power control scheme is found and the system software is designed. The experimental results show that using the small signal gain as the test variable condition, the system in this paper can control the pulse power of the quantum communication laser, achieve stable power control in 50 round trips, and the pulse width is not distorted, so it has an application effect.

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楊俊嶺.基于機器學(xué)習的量子通信激光器功率控制系統設計計算機測量與控制[J].,2024,32(2):129-134.

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  • 收稿日期:2023-02-28
  • 最后修改日期:2023-04-07
  • 錄用日期:2023-04-10
  • 在線(xiàn)發(fā)布日期: 2024-03-20
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