Design and Implementation of All-Space High-Reliability Lunar Back Relay Communication System

Le résumé fourni par la source

In order to complete the mission of sampling and return from the far side of the moon, the Chang'e 6 probes need to cooperate with the relay satellite during the critical phases of landing and descent, lunar surface operations, lunar surface takeoff, and near-moon braking, which are invisible to the ground station. The relay satellite realizes the Earth-Moon relay communication function and provides forward and return measurement and control data transmission channels for the spacecraft. This paper designs and implements a high-reliability lunar far-side relay system for full-space coverage and multipath environments. The Chang'e 6 has conducted relay communication tests in the low-elevation-angle state while in orbit, expanding the available arc segment and accumulating experience for subsequent missions. The lowest elevation angle for normal execution of instructions is 9°, and no instructions are sent below 9°. This paper primarily introduces the design and implementation of the all-space high-reliability lunar far-side relay communication system for the Chang'e 6 probes.

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