Min range to measure time of flight

Discussion in 'Wireless & RF Design' started by amit_m, Apr 2, 2013.

  1. amit_m

    Thread Starter New Member

    Mar 30, 2013
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    0
    I need to know what is possible min range to measure time of flight.
    My requirement is for less then 1 ft range, high accuracy is expected.
    In other words what is possible solution to measure the distance of less then 1 ft range.
     
  2. MrChips

    Moderator

    Oct 2, 2009
    12,435
    3,360
    Depends on how fast the fly is flying.
     
  3. KL7AJ

    AAC Fanatic!

    Nov 4, 2008
    2,039
    287
    Radio waves travel about 1ft/nanosecond. This means you cannot have a pulse much longer than a nanosecond to resolve this....which is one cycle of a 1GHZ signal. You will need OPTICAL methods to do this, in other words.

    ERic
     
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