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4 Cards in this Set
- Front
- Back
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Define Electromagnetic Distance Measurement |
Uses a laser-based instrument w/computer to measure the distance, horizontal angle, & vertical angle of laser beam to reflective prism target. |
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What is Orthophotography? |
The use of digital cameras to photograph facades to scale. Uses the digital aspect and computer software to correct for optical distortion. |
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What is Laser Scanning? |
Uses medium-range pulsing laser beams that symmetrically sweep over an object or space to obtain three-dimensional coordinates of points on the surface being scanned. |
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How would you perform "sonic measurement"? |
By using a low-cost, line-of-sight sonic device to measure distance, area and volume. |
