Integration, functional acceptance and characterization of accelerometers of the GOCE mission

J.-P. MARQUE; B.CHRISTOPHE

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Integration, functional acceptance and characterization of accelerometers of the GOCE mission

机译：GOCE任务加速度计的集成，功能接受和特性

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The ESA's GOCE mission is dedicated to measuring the Earth's gravity field, allowing for a definition of the geoid with an accuracy of 1 -2 cm and a spatial resolution of 1 00 km. The mission instrument is a 3-axis Gradiometer functionally consisting of 6 accelerometric chains designed, manufactured, tested and delivered by ONERA.These chains are associated by pairs, each of them constituting an axis of the Gradiometer, and consisting of 2 (ASH) ultra-sensitive inertial sensors connected to a Front End Electronics Unit (FEELJ) (figure 1). Data exchanges with the satellite, remote controls and power of these three gradiometric chains are carried out by a digital electronics unit (GAIEU) which also contains the software component of the 36 feed-back loops that control, in translation and rotation, the six proof masses of the sensors.

机译：ESA的GOCE任务致力于测量地球的重力场，从而以1 -2 cm的精度和1 00 km的空间分辨率定义大地水准面。任务仪器是3轴梯度仪，功能上由ONERA设计，制造，测试和交付了6条加速度计链，这些链成对关联，每对构成梯度仪的轴，由2个（ASH）超链组成灵敏的惯性传感器连接到前端电子单元（FEELJ）（图1）。与这三个梯度链的卫星，遥控器和电源的数据交换是通过数字电子单元（GAIEU）进行的，该单元还包含36个反馈回路的软件组件，这些回路可平移和旋转控制六个大量的传感器。

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《ONERA Scientific and Technical Activities》 |2006年第2006期|p.27|共1页
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J.-P. MARQUE; B.CHRISTOPHE;
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Integration, functional acceptance and characterization of accelerometers of the GOCE mission

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