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echolocation    音标拼音: [,ɛkolok'eʃən]

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  • Animal echolocation - Wikipedia
    Echolocation, also called bio sonar, is a biological active sonar used by several animal groups, both in the air and underwater Echolocating animals emit calls and listen to the echoes of those calls that return from various objects near them
  • Echolocation is nature’s built-in sonar. Here’s how it works.
    Nature’s own sonar system, echolocation occurs when an animal emits a sound wave that bounces off an object, returning an echo that provides information about the object’s distance and size Over
  • How does echolocation work? - BBC Science Focus Magazine
    Echolocation helps the bat to navigate, and to chase and snatch prey, such as moths, straight out of the sky Most of the world’s 1,400 bat species use echolocation They produce pulses of sound, largely in the ultrasound range, high above the limits of human hearing
  • Echolocation | Bats, Dolphins Whales | Britannica
    echolocation, a physiological process for locating distant or invisible objects (such as prey) by means of sound waves reflected back to the emitter (such as a bat) by the objects Echolocation is used for orientation, obstacle avoidance, food procurement, and social interactions
  • What Is Echolocation? How Animals and Humans Use It
    Echolocation lets animals navigate by sound — and humans can learn it too Here’s how bats, dolphins, and people use reflected sound waves to “see ”…
  • Echolocation - Bats (U. S. National Park Service)
    In this recording, the pallid bat (Antrozous pallidus) makes both echolocation and social calls The audio is slowed down 10 times so the human ear can hear it, and the spectrogram below is a graphic representation of the sounds
  • What Is Echolocation? How Does Echolocation Work? - Science ABC
    Echolocation is the ability to “see” using sound Bats, dolphins and toothed whales emit high-frequency clicks and read the returning echoes to map their surroundings in the dark
  • ECHOLOCATION Definition Meaning - Merriam-Webster
    The meaning of ECHOLOCATION is a physiological process for locating distant or invisible objects (such as prey) by sound waves reflected back to the emitter (such as a bat) from the objects
  • What exactly is echolocation and how does it work? The incredible . . .
    Echolocation is a technique used by bats, dolphins and other animals to determine the location of objects using reflected sound This allows the animals to move around in pitch darkness, so they can navigate, hunt, identify friends and enemies, and avoid obstacles
  • Echolocation - an overview | ScienceDirect Topics
    Essentially, echolocation is a specialized type of acoustic communication in which an animal sends information to itself Echolocation has evolved independently in at least five mammalian lineages





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