航空重力测量和全球定位系统

IEEE Symposium on Position Location and Navigation. A Decade of Excellence in the Navigation Sciences Pub Date : 1990-03-20 DOI:10.1109/PLANS.1990.66188

A. Kleusberg, D. Peyton, D. Wells

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引用次数: 21

摘要

探讨了利用精确距离和距离速率测量全球定位系统(GPS)卫星确定平台位置及其时间导数的能力。综述了航空重力测量的精度要求，提出了不同的重力仪测量精度校正方案。研究表明，测量中重力加速度和惯性加速度的分离对GPS测量精度和数据处理提出了最严格的要求。GPS数据约简结果表明，在空间重力场分辨率为5公里的情况下，GPS接收机可将固定翼飞机重力数据约简到μ g (10/sup -5/ m/s/sup 2/)精度水平。

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Airborne gravimetry and the Global Positioning System

The capabilities of using precise range and range rate measurements to satellites of the Global Positioning System (GPS) for the determination of the platform position and its time derivatives are explored. The accuracy requirements for airborne gravimetry are reviewed, and different schemes for correcting the gravimeter measurements are presented. It is shown that the separation of gravitation and inertial accelerations in the measurements imposes the most stringent requirements on the GPS measurement accuracy and the GPS data processing. The results of GPS data reduction show that GPS receivers allow fixed-wing-aircraft gravity data reduction at the milligal (10/sup -5/ m/s/sup 2/) accuracy level for a spatial gravity field resolution of five kilometers.<>

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

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