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A Doppler radar is a specialized radar that uses the Doppler effect to produce velocity data about objects at a distance. [1] It does this by bouncing a microwave signal off a desired target and analyzing how the object's motion has altered the frequency of the returned signal.
High Standard target pistols were manufactured in a variety of models in .22 Short and .22 Long Rifle chamberings for use in competition. One selling point was the similarity in grip angle and manual safety location to the M1911A1 series, a pistol common in service pistol competition. Manufactured from 1926 until 2018, High Standards are ...
The SP22 is a modular semi-automatic pistol manufactured by Walther Sportwaffen and distributed by Smith & Wesson.The SP22 is chambered in .22 LR (5.6 mm) and is designed for sport and competition shooting.
The Taurus TX22 is a semi-automatic pistol chambered for .22 Long Rifle (5.59 mm Caliber) rimfire ammunition. It is manufactured in Bainbridge , Georgia by Taurus Armas ' American division, Taurus USA.
The Benelli MP 90S is a precision target shooting pistol designed for the 25 metre pistol and 25 metre rapid fire pistol ISSF shooting events. It is manufactured by Benelli Armi SpA of Italy. Available calibers are .22 LR and .32 S&W Long Wadcutter. The Finnish military shooting team uses the MP90S.
Pulse-Doppler radar for aircraft detection has two modes. Scan; Track; Scan mode involves frequency filtering, amplitude thresholding, and ambiguity resolution. Once a reflection has been detected and resolved, the pulse-Doppler radar automatically transitions to tracking mode for the volume of space surrounding the track.
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The Zip .22 (stylized as ZiP) is a semi-automatic pistol chambered in .22 Long Rifle, commercially introduced by the U.S. Fire Arms Manufacturing Company (USFA) in 2013. . Although given some praise for its innovative concept, affordability and accuracy, it was widely panned for its frequent mechanical malfunctions, with failures to feed ammunition and eject spent casings being reported by a ...