This article introduced the design of the UAV onboard computer calibration system based on PXI bus and its hardware scheme of the system.The software design was discussed.

• 摘要阐述了基于PXI总线方式的某型无人机机载计算机校准系统的总体设计方案，描述了系统的硬件组成，讨论了系统的软件设计。