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Sun Aug 8 11:58:43 CEST 2010

Chirps from corrugated galvanised iron (golfplaat)

An open barn/shed with 3 walls made of corrugated galvanised iron[1],
with lines arranged vertically, produces chirp impulse response at an
angle of 45 degrees with the walls.  Why?

[1] http://en.wikipedia.org/wiki/Corrugated_galvanised_iron



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