very low frequency
Example Sentences
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These signals appear as very low frequency transients i.e. impulse like transition or settling signals recorded in horizontal ground motion, including both acceleration and tilt.
From Science Daily
"When the whales push air from their lungs past this cushion, it starts to vibrate and this generates very low frequency underwater sounds."
From Salon
"Our experiments showed for the first time how the whales make their very low frequency vocalizations," says Elemans.
From Science Daily
The mammals' signature, very low frequency song could be heard primarily during March and April.
From BBC
Now, researchers say the bird may hitch a ride by listening for very low frequency sounds humans can’t hear—one of only a few species known to do so.
From Science Magazine
From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.