全球定位系统(GPS)自主导航

IEEE Symposium on Position Location and Navigation. A Decade of Excellence in the Navigation Sciences Pub Date : 1990-03-20 DOI:10.1109/PLANS.1990.66220

M. Ananda, H. Bernstein, K. Cunningham, W. Feess, E.G. Stroud

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引用次数: 97

摘要

给出了GPS自主导航系统(ANS)概念的系统描述、设计问题的讨论以及航天公司仿真得到的性能结果。给出了分析方法、物理模型和相关方程。测量数据是真实模拟的，包括所有已知的影响性能的环境和硬件现象的影响。描述了在正常和异常条件下(卫星故障)和核环境下的性能。讨论了降低性能的不可观察错误。初步研究表明，全星座系统测量量丰富。一个简单的方案，如拒绝低信噪比或高延迟测量，可能是一个令人满意的设计响应，由于在增强的环境中闪烁失真。

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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Global Positioning System (GPS) autonomous navigation

A system description, a discussion of design issues, and performance results obtained from the Aerospace Corporation simulation of the GPS autonomous navigation system (ANS) concept are given. Analysis methods, physical models, and pertinent equations are presented. Measurement data are realistically simulated and include the effects of all known environmental and hardware phenomena affecting performance. Performance under nominal and anomalous conditions (satellite failures) and in nuclear environments is described. Unobservable errors which degrade performance are discussed. Preliminary studies show that the full constellation system is measurement rich. A simple scheme such as rejecting low signal-to-noise ratio or high delay measurements will probably be a satisfactory design response to distortion due to scintillation in the enhanced environment.<>

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IEEE Symposium on Position Location and Navigation. A Decade of Excellence in the Navigation Sciences

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