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针对双圆极化频率复用、高码速数据接收等关键技术,分析了影响系统交叉极化鉴别率、高码速数据接收链路误码性能的主要环节,提出了天馈、高码速数据接收链路的体系结构和设计方案。据此设计并建成的频率复用高码速率遥感卫星数据接收系统已成功接收了国内首颗双圆极化频率复用遥感卫星(“资源三号”卫星,数据速率450Mbit/s×2)的数据。
Aiming at the key technologies such as double circular polarization frequency reuse and high data rate data reception, the main links that affect the identification rate of cross polarization and the error rate of data receiving link with high data rate are analyzed. Architecture and Design of Data Receive Link. The designed and built frequency reuse high data rate remote sensing satellite data receiving system has successfully received the first dual circular polarization frequency multiplexing remote sensing satellite (“Resource No.3” satellite with a data rate of 450 Mbit / s × 2 )The data.