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针对国内小卫星常用的统一遥测模式,讨论了在遥测速率受限的条件下,分包遥测格式设计应满足的基本条件;定义了分包遥测数据格式设计过程中的包编码损失率,并以此作为包数据格式编码效率的评价函数;分析了分包遥测数据格式设计过程中包长度、包采样周期等参数变化对评价函数的影响,进而给出了分包遥测数据格式设计中的应满足的条件和遵循的原则。
Aiming at the common telemetry mode commonly used in domestic small satellites, the basic conditions that should be met in the design of sub-telemetry format are discussed under the condition of limited telemetry rate. The loss rate of packet encoding in the design of sub-telemetry data format is defined. Which is used as an evaluation function of encoding efficiency of packet data format. The influence of parameters such as packet length and packet sampling period on the evaluation function during packet format telemetry data format analysis is analyzed. The conditions and principles to follow.