宇宙学家的LISA：计算随机和确定性源的信噪比
LISA for Cosmologists: Calculating the Signal-to-Noise Ratio for Stochastic and Deterministic Sources
摘要：
给出了激光干涉仪空间天线（LISA）对随机引力波背景和确定性波源的灵敏度预测步骤。我们将展示如何使用这些表达式来估计LISA可以确定与这些源相关的参数的精度。提供的工具可轻松计算信噪比并绘制灵敏度曲线。给出了两个工作实例的基准值，以便于比较和检查方法。第一个基准是LISA可以观测到的阈值随机引力波背景$Ω_{GW} h^2$。第二个是LISA观测到的与GW 150914相同的双星黑洞系统的信噪比，该系统在合并前4年辐射。
英文摘要：
We present the steps to forecast the sensitivity of the Laser Interferometer Space Antenna (LISA) to both a stochastic gravitational wave background and deterministic wave sources. We show how to use these expressions to estimate the precision with which LISA can determine parameters associated with these sources. Tools are included to enable easy calculation of the signal-to-noise ratio and draw sensitivity curves. Benchmark values are given for easy comparison and checking of methods in the case of two worked examples. The first benchmark is the threshold stochastic gravitational wave background $Ω_{GW} h^2$ that LISA can observe. The second is the signal-to-noise ratio that LISA would observe for a binary black hole system identical to GW150914, radiating 4 years before merger.
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