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Animal echolocation, non-human animals emitting sound waves and listening to the echo in order to locate objects or navigate. Human echolocation , the use of sound by people to navigate. Sonar ( so und n avigation a nd r anging), the use of sound on water or underwater, to navigate or to locate other watercraft, usually by submarines.
Human echolocation is the ability of humans to detect objects in their environment by sensing echoes from those objects, by actively creating sounds: for example, by tapping their canes, lightly stomping their foot, snapping their fingers, or making clicking noises with their mouths.
The term echolocation was coined by 1944 by the American zoologist Donald Griffin, who, with Robert Galambos, first demonstrated the phenomenon in bats. [1] [2] As Griffin described in his book, [3] the 18th century Italian scientist Lazzaro Spallanzani had, by means of a series of elaborate experiments, concluded that when bats fly at night, they rely on some sense besides vision, but he did ...
Swedish soldiers operating an acoustic locator in 1940. Acoustic location is a method of determining the position of an object or sound source by using sound waves. Location can take place in gases (such as the atmosphere), liquids (such as water), and in solids (such as in the earth).
Echolocation; From a verb: This is a redirect from an English-language verb or verb phrase to a related word or topic. Retrieved from "https: ...
The bat is also known by the synonyms H. centralis and H. niapu. [1] Description ... Echolocation. The bat echolocates at a frequency of 132-138 kHz. [5] [6]
Lesser mouse-tailed bats are considered to be a primitive bat in terms of echolocation, primarily due to the reason that these bats produce signals with four or more harmonics with limited frequency variation. [2] The bats make a variety of sounds, primarily constant frequency (CF) sounds of 48 milliseconds duration, with pronounced second ...
The bulldog bat mostly forages for fish during high tide and locates them with echolocation. A bulldog bat will fly high in the air and in a circular direction when searching for prey. If it spots a jumping fish, the bat will drop down closer to the water surface, particularly the spot where it made the jump, and decreases the pulse duration ...