作为时间延迟微分测力计的星载引力波探测器
Space-borne gravitational wave detectors as time-delayed differential dynamometers
摘要：
许多星载引力飞行任务的基本组成部分，特别是干涉测量引力波探测器的基本组成部分，是由一颗卫星向另一颗卫星发送电磁波束而形成的所谓链路。我们说明了如何，通过测量接收到的光束的频率的时间导数，链接行为作为一个差分，时间延迟的测力计中的重力的影响是完全等同于一个有效的差分力施加到两个卫星。我们还表明，这种差异力给出了一个完整的测量沿梁的曲率。最后，我们讨论了如何实现这种方法，以利于引力波探测器的数据分析。
英文摘要：
The basic constituent of many space-borne gravitational missions, in particular for interferometric gravitational waves detectors, is the so-called link made out of a satellite sending an electromagnetic beam to a second satellite. We illustrate how, by measuring the time derivative of the frequency of the received beam, the link behaves as a differential, time-delayed dynamometer in which the effect of gravity is exactly equivalent to an effective differential force applied to the two satellites. We also show that this differential force gives an integrated measurement of curvature along the beam. Finally, we discuss how this approach can be implemented to benefit the data analysis of gravitational wave detectors.
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