highway study

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Author:
Anonymous
ID:
2775
Filename:
highway study
Updated:
2009-12-10 20:32:50
Tags:
highway
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highway study
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  1. Tracking History
  2. 1. Visual observation of target vehicle and traffic.
    • 2. Visual estimation of target's speed.
    • 3. Verify the speed reading and estimate of speed agree.
    • 4. Verify a SOLID audio tone.
    • 5. Minimum of three (3) second check.
    • 6. Verify the displayed speed reading, estimation, and audio agree.
  3. Laser
  4. Light
    • Amplification by
    • Stimulated
    • Emission of
    • Radiation
  5. Speed of Laser Light
  6. 300,000 kilometres per second x 1,000 metres per second
    • 300,000,000 metres per second or
    • 30 centimetres = 1 billionth of 1 second or
    • 1 nanosecond (nS) = 30 centimetres
  7. Behaviour of Radar Energy, the energy transmitted by radar can be ?
    • Reflected
    • Refracted
    • Diffracted
    • Absorbed
    • Retransmitted
  8. Light Energy
    • Visible
    • Reflected by mirrors
    • Passes through clear glass
    • Partly passes through translucent glass
    • Does not pass through opaque objects/surfaces
  9. Radar energy?
    • Non-visable
    • Reflected by most opaque materials
    • Passes through clear glass
    • Passes through translucent glass almost unimpeded
    • Passes through most plastics but reflected from most opaque surfaces
  10. Reflection

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