English Dictionary

smirch

/smɜː(ɹ)t͡ʃ/

noun

A chirp of radiation power from an astronomical body that has a smeared appearance on its plot in the time-frequency plane (usually associated with massive bodies orbiting supermassive black holes)

The smirch on his reputation was difficult to erase.

意味（1）

A chirp of radiation power from an astronomical body that has a smeared appearance on its plot in the time-frequency plane (usually associated with massive bodies orbiting supermassive black holes)

The strain h(t) produced by a smirch in LISA is given by h(t) = −-A(t)cos[(t) + φ(t)]