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航电系统的开发既要满足系统需求、保证系统完整性、达到系统安全性目标,同时还要满足相关条例、公务要求和商业要求。而这些要求往往相互制约、相互冲突,这就使得权衡研究在航电系统的开发过程中成为一项必不可少的工作。阐明了权衡研究在航电系统开发过程中的必要性和重要性;然后说明了权衡研究在航电系统开发过程各阶段中的作用;接着分析了权衡研究应遵循的过程;最后,将权衡研究分析方法中的效用曲线法应用到了航电系统的网络权衡中,并提出航电系统开发过程中如何进行权衡研究的一些建议。
The development of avionics system should not only meet the system requirements, ensure system integrity and achieve the goal of system security, but also meet the relevant regulations, official requirements and commercial requirements. However, these requirements often restrict each other and conflict with each other, which makes the trade-off study an indispensable task in the development of avionics system. Clarified the necessity and importance of trade-off research in the development of avionics system; then explained the trade-offs of the research in all stages of the avionics system development process; then analyzed the trade-offs to be followed; and finally, The utility curve method in the analysis method is applied to the network trade-off of the avionics system and some suggestions on how to carry out the trade-off study in the development of the avionics system are proposed.