indirect wave

indirect wave

[‚in·də′rekt ′wāv]
(physics)
Any radio wave which arrives by an indirect path, having undergone an abrupt change of direction by refraction or reflection.

indirect wave

Any radio wave that arrives by an indirect path, having undergone an abrupt change of direction by refraction or reflection. See direct wave.
References in periodicals archive ?
If measuring signal amplitude for direction finding is completed in 100ns after direct wave arrives, the indirect wave of which arrival time difference([DELTA]t) is longer than 100ns can get out from the error's effects.