CAJ | 학술논문

卫星量子通信是建立全球量子通信网络的最佳选择之一。针对采用偏振编码的卫星量子通信中的偏振保持问题，研究了大气散射和卫星与地面站间相对运动等因素对量子偏振态相位和对准的影响以及相位延迟和对准误差对系统量子误码率的影响，分析了背景噪声和系统硬件噪声对通信产生的影响以及单光子通信过程中可能受到的光子分离攻击干扰，为量子信号认知设计提供借鉴意义。
위성양자통신시건립전구양자통신망락적최가선택지일。침대채용편진편마적위성양자통신중적편진보지문제，연구료대기산사화위성여지면참간상대운동등인소대양자편진태상위화대준적영향이급상위연지화대준오차대계통양자오마솔적영향，분석료배경조성화계통경건조성대통신산생적영향이급단광자통신과정중가능수도적광자분리공격간우，위양자신호인지설계제공차감의의。
Satellite quantum communication is one of the best choices for building a global quantum net-work. In view of the polarization maintaining problem in satellite quantum communication which uses po-larization encoding, the impact of atmospheric scattering and relative movement between satellite and ground station on the photon polarization states’ phase and alignment and the influence of alignment error and phase delay on quantum bit error rate of the system is researched. The influence of background noise and hardware on the quantum communication and the photon-number-splitting attacks to the single photon in quantum communication are analyzed. Research in this paper has important significance to quantum sig-nal’ s cognitive design.