Epic Carnival | Where Sports and Pop Culture Collide: How ESPN's Ball Tracker works

How ESPN's Ball Tracker works

So were you sitting there watching the Home Run Derby the other day wondering how that Ball Tracker thingy ESPN was using worked? No? Well, you're gonna find out anyway, dammit...

The Ball Tracker utilizes low-power Doppler radar operating at 2000 Hz to monitor the speed, location and spin of the ball. That data is fed to an algorithm which calculates the projected path of the ball based on its current location. This allows ESPN to continuously display the distance traveled on the screen during flight and to calculate the total home run length as soon as the ball lands.

Now watch the video...

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