Numerical study For comparable mass binary systems,the inspiral phase could be well modeled by post-Newtonian(PN)theory and numerical relativity. For EMRIs(~10-6),BH perturbation theory(Teukolsky formalism) For IMRACs,not very clear!A hybrid approach,PN Teukolsky formalism Kludge waveform model 006.e2008. However,the kludge waveform model is developed to compute waveform templates rapidly,without a high precision 口·三色，至990. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Numerical study For comparable mass binary systems, the inspiral phase could be well modeled by post-Newtonian(PN) theory and numerical relativity. For EMRIs (q ∼ 10−6 ), BH perturbation theory (Teukolsky formalism) For IMRACs, not very clear! A hybrid approach, PN + Teukolsky formalism Kludge waveform model Babak et.al. 2006, Huerta et.al. 2008... However, the kludge waveform model is developed to compute waveform templates rapidly, without a high precision Analytic study?