RF Cafe Software

RF Cascade Workbook 2005 - RF Cafe
RF Cascade Workbook

Calculator Workbook
RF Workbench
Smith Chartâ„¢ for Visio
Smith Chartâ„¢ for Excel
RF & EE Symbols Word
RF Stencils for Visio

About RF Cafe

Kirt Blattenberger - RF Cafe WebmasterCopyright
1996 - 2016
Webmaster:
Kirt Blattenberger,
 BSEE - KB3UON

RF Cafe began life in 1996 as "RF Tools" in an AOL screen name web space totaling 2 MB. Its primary purpose was to provide me with ready access to commonly needed formulas and reference material while performing my work as an RF system and circuit design engineer. The Internet was still largely an unknown entity at the time and not much was available in the form of WYSIWYG ...

All trademarks, copyrights, patents, and other rights of ownership to images and text used on the RF Cafe website are hereby acknowledged.

My Hobby Website:
 AirplanesAndRockets.com

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Big Data from Your Car

Big Data from Your Car - RF Cafe"The typical new car today generates 15 gigabytes (109) of information per hour - a number that's climbing as sensors proliferate. A little back-of-the-napkin figuring suggests that 250 million such vehicles would produce around 2000 exabytes (0.002 yottabyte) per year, most of which never leave the car. But that's changing." So said Frank Markus in the September 2013 edition of Motor Trend magazine. His article titled, "You Car's Contribution to the 'Big Data' Cloud," does a nice job in explaining the immense amount of digital data generated by a new car's computer system. The numbers include everything from tire pressure sensors sending metrics via Bluetooth to fuel injection and entertainment systems. Smart headlights, auto-dimming rear view mirrors, self-parking algorithms and gesture sensing make it easy to believe the numbers. Coming soon to a vehicle near you is a personal health vital signs monitor that communicates heart rate, blood pressure, glucose level, etc., to warn of impending heart attack, anxiety attack, or other ailment that could impair your ability to safely navigate. The computer could even pull your car to the side of the road and call 911. Of course if it detects alcohol or illicit drug presence, it could lock the doors, windows, and seat belt, and call the police while pulling to the side of the road.

In another article, the author (not Markus) makes a noble attempt, but fails, at calculating the total number of combinations possible with three available settings for each of five different controls. He claims 125 combinations, which is 53, but the real number is 243, which is 35.





Posted  November 6, 2013