echo location การใช้

• The latter is I suppose, a form of echo location.
• :They nagivate using a form of echo location, like sonar.
• For example, the sonar system of some bats use hyperbolic FM and quadratic FM signals for echo location.
• Dolphins are valued for their " echo location " _ special sonar that is more effective than anything man-made to date.
• This small flying mammal navigates the caves and tunnels by using echo location to obtain a mental picture of its surroundings.
• Within this study, Couderc published the derivation of echo locations and time delays in the paraboloid, rather than ellipsoid, approximation of infinite distance.
• :I recall a TV show featuring someone blind from birth who had developed his own sense of echo location, making his own audible clicks.
• The most likely primary function of the spermaceti organ is to add internal echo or resonator clicks to the sonar echo location clicks emitted by the respiratory organs.
• When they come lunging toward humans, their sharp teeth bared and lips drawn back, it's only because they're using their mouths to see where they're going-- by echo location.
• Echo location using the ships horn was used to navigate by night or in foggy weather, and for his skill in this, Frank Saunders was known as the " fog wizard ".
• ASDIC is an early name for " sonar ", an active echo location system; it can quickly provide enough data on range and course for a target's speed and bearing to be calculated, and a firing solution for a weapon to be arrived at, even against a vessel taking evasive action.