量子密钥分发系统的码率太低,研究用交织技术和插值技术来扩展已有量子密钥库的容量,以期提高量子保密通信系统的量子密钥生成速率.初步仿真结果显示:采用交织技术和插值技术能扩展随机序列,且其随机性能不变.数字信号处理相关理论与技术是一种扩展量子密钥库的有效方法.
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