论文标题
地月重力对天气范围加速度噪声的影响
Effect of Earth-Moon's gravity on TianQin's range acceleration noise
论文作者
论文摘要
天气是使用圆形高地球轨道的提议的空间重力检测任务。地理概念提出了有关地月系统附近重力场对高度敏感的卫生间范围测量值的干扰作用的问题。在这里,我们通过具有详细的重力场模型的高精度数值轨道模拟来检查问题。通过评估遥远的自由落体测试质量之间的范围加速度,研究表明,大部分地球的重力干扰不在tianqin的检测频带$ 10^{-4} $ Hz中,因此没有给任务带来表演。
TianQin is a proposed space gravitational-wave detection mission using circular high Earth orbits. The geocentric concept has raised questions about the disturbing effect of the nearby gravity field of the Earth-Moon system on the highly-sensitive intersatellite ranging measurements. Here we examine the issue through high precision numerical orbit simulation with detailed gravity-field models. By evaluating range accelerations between distant free-falling test masses, the study shows that the majority of the Earth-Moon's gravity disturbances are not in TianQin's detection frequency band above $10^{-4}$ Hz, and hence present no showstoppers to the mission.