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The milk crate challenge, also known as the crate challenge, is a video challenge that became viral online in August 2021. The challenge involves stacking milk crates into a structure that resembles a podium, with both sides of the structure functioning as stairs. [1] The participant is expected to climb up to the top of the crates and climb ...
A professional engineer and educator took to the worldwide web to explain why the Milk Crate Challenge fails. In a three-minute […] The post Black doctor breaks down the science behind ‘Milk ...
The milk crate challenge, which involves walking on stacks of milk crates, puts you at "high risk" of injury, according to Dr Karan Rangarajan.
The “Milk Crate Challenge” has been sweeping the social media world over the last few days. And on Tuesday, this viral trend made its way into the NFL mix. Taking to Twitter this afternoon ...
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.
A synthetic-aperture radar is an imaging radar mounted on a moving platform. [10] SAR is a Doppler technique. It is based on the fact that "radar reflections from discrete objects in a passing radar beam field each [have] a minute Doppler, or speed, shift relative to the antenna". [11]
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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.