Experiments for an integrated precise airborne navigation and gravity recovery system

IEEE Symposium on Position Location and Navigation. A Decade of Excellence in the Navigation Sciences Pub Date : 1990-03-20 DOI:10.1109/PLANS.1990.66189

G. Hein, K. Hehl, H. Landau, M. Ertel

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引用次数: 7

Abstract

Experiments performed in August 1989 to investigate the possibility of integrating different sensors for precise position determination and airborne gravity field recovery are reported. The tests were carried out with a DO 128 research aircraft over the North Sea and also over test areas in Northern West Germany. Precise differential positioning of the aircraft was performed using two different GPS (Global Positioning System) receiver types simultaneously. A Sercel TR5SB C/A-code receiver and a T14100 P-code receiver were installed in the aircraft, while a third and fourth receiver of the same types were tracking satellites on the ground. The system onboard consisted further of a ring laser gyro strapdown system allowing precise position and attitude determination by interpolation between GPS updates. For the purpose of airborne gravimetry the system was equipped with a Bodenseewerk KSS 31 gravity meter. The determination of high-frequency height variations was possible using a precise laser altimeter. A quick-look analysis of the data and velocity determination in the centimeter-range using GPS is presented.<>

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精确机载导航与重力回收一体化系统试验

报告了1989年8月进行的实验，目的是研究整合不同传感器以精确确定位置和空中重力场恢复的可能性。测试是用一架DO 128研究飞机在北海和西德北部的试验区上空进行的。使用两种不同的GPS(全球定位系统)接收器同时对飞机进行精确的差分定位。飞机上安装了Sercel TR5SB C/A代码接收器和T14100 p代码接收器，而第三和第四个相同类型的接收器正在跟踪地面上的卫星。机载系统还包括一个环形激光陀螺捷联系统，通过GPS更新之间的插值来确定精确的位置和姿态。为了机载重力测量的目的，该系统配备了Bodenseewerk KSS 31重力仪。使用精密激光高度计可以测定高频高度变化。本文简要分析了GPS在厘米范围内的数据和速度测定。

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

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