Sentence examples for by an unknown operation from inspiring English sources

Therefore, this strain may be caused by an unknown operation error.

1.4% had an unknown, unidentified operation procedure code.

The Afghan and United States forces were attacked by an unknown group during operations in Ana Darreh district, a statement issued from Bagram Air Base said.

Even when the estimated channels are altered by an unknown yet common convolutive operation, i.e., (widehat {h}_{i}(k) = f k)ast {h}_{i} k)) [52], the common convolutive error, which might be a drawback in blind channel identification, does not seriously affect the speech blocking performance because it applies simultaneously to both the left and right estimated impulse responses.

125 140 by an unknown author.

Recent incarceration by an unknown malefactor?

Ana will be played by an unknown".

Homer, bust by an unknown artist.

Portrait is by an unknown artist.

Francis Bacon, oil painting by an unknown artist.

This was effectively an unknown book by an unknown writer.