为克服通常情况下在单台计算机上分时、分步完成整个弹载合成孔径雷达（SAR）系统仿真的耗时与繁琐，文中基于高级体系结构（HLA）的独有架构，采用图形处理器（GPU）作为处理器，搭建了包括主控、航迹与姿态、目标与场景建模、回波、干扰、SAR成像处理、仿真评估多个联邦成员在内的弹载SAR快速数字仿真与评估系统。对系统性能进行多组数据实测仿真与评估分析，相对传统方法将性能提升数个量级，验证了该系统的正确性与高效性。

In order to overcome the time-consuming and cumbersome shortcomings of missile-borne SAR system simulation, based on the unique feature of HLA and using GPU as processor, this paper sets up a fast digital simulation and evaluation system for missile-borne SAR. The system includes federate members as main control, trajectory, target and scene, echo, jamming, imaging, and simulation evaluation. In addition, multiple sets test and verification results are figured out in order to ensure the correctness and effectiveness of the system, consequently the performance has been improved to several orders of magnitude compared to traditional method.

TN911.7