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frequency sweep

rtmorrisrtmorris Posts: 31
edited 2006-05-12 00:05 in Robotics
Just a quick question from boe-bot book pg 273...A chart is given (top left)· how can there be no detection in zone4 but detection can occur in zone3?· I thought that 37500 Hz, was the most sensitive frequency and should pick up objects in zones 1-4.

Comments

  • LSBLSB Posts: 175
    edited 2006-05-12 00:05
    Yes is the short answer. However, if you test from the closest zone to the farthest, and no objects exist in zones 1-3, then those detected at 37500 must be in zone 4.

    Mark
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