针对传统长距离模拟微波光链路存在性能参数难以改善的问题, 提出了一种基于反向泵浦拉曼放大器解决超长距离光传输的方法, 并在该方法上建立了模拟链路性能参数的理论模型, 详细论述了链路性能随器件参数变化的演变规律。通过对典型参数的仿真分析, 其结果表明反向拉曼泵浦方式能够极大改善链路的综合性能, 对微波光链路的工程设计和应用提供了理论指导。

As for the the performance parameters of the traditional long-haul microwave analog optical link is difficult to be improved, a method based on counter-pumping Raman Amplifier is proposed for improving ultra-long haul optical transmission, in which the performance parameters models of the link are established , and the change law of link performance with the device parameters is discussed in detail. The typical parameters are analyzed through simulation, which shows that overall performance of the link,can be greatly improved in counter-pumping mode, and theoretical reference can be provided for microwave optical link design and engineering application.