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Radar was the most common form of SACLOS signals in early systems, because, in the anti-aircraft role, the target is typically already being illuminated by a radar signal. However, a beam-riding missile flies directly at the target, which is often inefficient for a high-speed target like an aircraft.
The faster the bat speed, the faster the ball will come off the bat. [2] Furthermore, researchers have long established that home run hits are dependent on swing speed. Most notably, one can logically assume that a faster swing will result in the ball traveling farther. A 3-6% increase in bat speed can significantly affect the distance a ball ...
A Bat on its hoist. The ASM-N-2 Bat was a United States Navy World War II radar-guided glide bomb [3] [4] which was used in combat beginning in April 1945. It was developed and overseen by a unit within the National Bureau of Standards (which unit later became a part of the Army Research Laboratory) with assistance from the Navy's Bureau of Ordnance, the Massachusetts Institute of Technology ...
When an echolocating bat approaches a target, its outgoing sounds return as echoes, which are Doppler shifted upward in frequency. In certain species of bats, which produce constant frequency (CF) echolocation calls, the bats compensate for the Doppler shift by changing their call frequency as they change speed towards a target.
For most of baseball's history, there were no commonplace methods to quantify how hard-hit a batted ball was — the only aspect of the ball's speed being tracked was how fast the pitcher threw it, measured using various evolutions of radar guns. In 2015, MLB introduced Statcast technology to all 30 of its ballparks, in part to track exit velocity.
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A checked swing, sometimes also referred to as a check-swing or check swing, is a type of motion in baseball made by a batter. A checked swing is not an official term or call in baseball, such as a strike or ball, but is a common phrase used by commentators, fans, players, etc. to describe a situation in which a batter starts to swing the bat ...
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