新一代天气雷达数据流重传机制设计与实现
Design and Implementation of New Generation Weather Radar Stream Retransmission Mechanism
中文摘要：
在雷达径向数据（一个径向数据表示雷达在一个方位角的一组观测数据，包括回波强度、径向速度、速度谱宽等数据）从雷达站经由省级转发至国家级的试验流程中，存在由于网络等原因导致的径向数据丢失的情况。通过分析雷达径向数据传输现状和径向数据丢失原因，设计多种数据包格式，制定重传策略和处理逻辑，规范了雷达站、省级和国家级之间的重传通信协议。经全国范围试验，验证数据流重传机制可以有效地避免数据丢失问题，保障雷达数据传输的完整性。
中文关键词：
流传输，雷达径向数据，重传/补调
KeyWords：
stream, radar data, retransmission/supplement
Abstract：
In the transmission of radar data which are transmitted from radar station to national communication system, there may be missed some data due to network and other reasons. Through analyzing the current situation of the radar data transmission and the reasons of the missing data, we designed variety of packet formats, established the retransmission strategy and processing logic, and standardized the retransmission protocols between radar station, provincial and national communication system. And through the nationwide test, it is verified that the data stream retransmission mechanism can effectively avoid the missing data problem and ensure the integrity of transmission.