通过光纤环网的多次访问稳定频率传播
Chenxia Liu1, Hanyue Wang1, Hanqing Li1
1North China Electric Power University, Baoding 071003, Hebei, China.
The Review of scientific instruments
|March 3, 2026
概括
一个新的分层方案确保了光纤网络中稳定的频率传播. 该系统使用初级和二级节点进行可靠,高稳定的信号生成和分发.
科学领域:
- 光学通信是指光学通信.
- 网络工程 网络工程
- 计量学 计量学 计量学
背景情况:
- 稳定的频率传播对于现代通信网络至关重要.
- 光纤环网面临着噪声和单点故障的挑战.
- 现有的方法可能无法有效地满足用户的各种需求,而且资源有限.
研究的目的:
- 为光纤环网提供稳定的频率传播提出一个分层的多访问方案.
- 为了提高网络的稳定性,防止单节点故障.
- 为了实现高效的资源利用,以满足不同的用户需求.
主要方法:
- 实现一个具有初级和二级节点的等级结构.
- 在主节点使用相锁循环来抑制纤维引起的噪音.
- 在二级节点采用第三级混合,以产生稳定的频率输出.
主要成果:
- 在主要地点显示的频率不稳定性为2.65 × 10−14 @ 1s和4.58 × 10−17 @ 10,000s.
- 在中间节点实现了1.48 × 10−14 @ 1s和4.02 × 10−16 @ 10,000s的频率不稳定性.
- 在另一个中间节点记录了1.56 × 10−14 @ 1s和9.70 × 10−16 @ 10,000s的频率不稳定性.
- 在220公里的光纤环网上验证了该计划.
结论:
- 拟议的分层多访问方案提供了稳定的频率传播.
- 该系统确保光纤环网的连续运行和故障耐受性.
- 这种方法为大都市网络中稳定的频率分配提供了坚实的基础.
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