Integration of full scale development aircraft GPS user equipment (AN/ARN-151) with Doppler radar systems

IEEE PLANS 92 Position Location and Navigation Symposium Record Pub Date : 1992-03-23 DOI:10.1109/PLANS.1992.185855

R. Mullen, B. Tanju, M. May, C. Mannis, C. Sives, M. Engelhart

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Abstract

Tests of a full-scale development aircraft GPS (Global Positioning System) user equipment (AN/ARN-151) Receiver-3A integrated with a simulated DRS (Doppler radar system) via a mission computer MIL-STD-1553B bus were performed. Test conditions were particularized to an SH-60F platform as a baseline; specific test conclusions should not be generalized to embedded GPS/DRS suites or other GPS/DRS integrations. The simulation results indicate that overall benefits in the areas of satellite acquisition/reacquisition, antijamming performance, and performance during degraded satellite availability accrue when the Receiver-3A is integrated with the Doppler system. Without Doppler aiding, the Receiver-3A under conditions of jamming-to-signal ratios greater than 42 dB or under conditions of two or less satellite availability would potentially have an unbounded position error growth. With Doppler aiding, the acquisition/reacquisition process is improved, the antijamming margin is increased by at least 10 dB, and position error growth is always bounded by (at worst) Doppler position error growth.<>

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全尺寸研制飞机GPS用户设备(AN/ARN-151)与多普勒雷达系统的集成

通过任务计算机MIL-STD-1553B总线对一架全尺寸研制飞机GPS(全球定位系统)用户设备(AN/ARN-151)接收机- 3a与模拟DRS(多普勒雷达系统)集成进行了测试。测试条件以SH-60F平台为基准;特定的测试结论不应推广到嵌入式GPS/DRS套件或其他GPS/DRS集成。仿真结果表明，当接收机- 3a与多普勒系统集成时，在卫星捕获/再捕获、抗干扰性能和卫星可用性下降期间的性能等方面的总体效益都有所增加。如果没有多普勒辅助，在干扰信号比大于42 dB或两颗或更少卫星可用的情况下，Receiver-3A可能会有无界的位置误差增长。在多普勒辅助下，捕获/再捕获过程得到了改善，抗干扰余量至少增加了10 dB，并且位置误差的增长总是(在最坏的情况下)被多普勒位置误差的增长所限制

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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IEEE PLANS 92 Position Location and Navigation Symposium Record

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