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针对当前航天型号控制软件浮点运算中存在精度损失和误差传播的问题,从浮点数据结构、浮点精度损失、误差来源和度量几个方面进行了详细阐述,并结合具体案例,通过分析航天型号软件中常见浮点运算误差,为有效解决型号软件误差控制问题提供参考.
Aiming at the problems of accuracy loss and error propagation in floating-point control of aerospace model control software, this paper elaborates several aspects, such as the floating-point data structure, the loss of floating-point accuracy, the source of error and the measurement. Combining with the specific case, Common types of software floating-point arithmetic errors, in order to effectively solve the model error control software to provide a reference.