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为满足微纳卫星多载荷数据采集处理的需求,设计了一种集成化载荷数据处理单元,该单元作为载荷与微纳卫星进行数据交换的枢纽,具有多路载荷数字量和高精度模拟量采集通道,且具备接收注入数据、进行指令解码、载荷模式控制功能。通过双控制总线冗余、故障总线动态切换,提高了通信可靠性。该单元资源需求低,集成度高,具有一定的通用性。
In order to meet the needs of micro-nano satellite multi-load data acquisition and processing, an integrated load data processing unit is designed, which serves as a hub for data exchange with load and micro / nano satellites. It has multiple digital and high precision analog acquisition Channel, and has to receive injection data, instruction decoding, load mode control functions. Through dual control bus redundancy, the fault bus dynamically switches to improve the communication reliability. The unit resource demand is low, high integration, has a certain versatility.