Computer Science – Performance
Scientific paper
May 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990rmcc.rept.....r&link_type=abstract
M.S. Thesis Royal Military Coll. of Canada, Kingston (Ontario). Dept. of Mechanical Engineering.
Computer Science
Performance
Applications Programs (Computers), Missile Detection, Optical Range Finders, Rangefinding, Signal Processing, Accuracy, Light Scattering, Parallax, Performance Tests, Refracting Telescopes, Vibration Effects, Warning Systems
Scientific paper
A classical technique for measuring range uses two telescopes separated on a baseline to allow their optical fields of view to be matched and the resulting parallax angle measured to yield range and azimuth. This technique has been transferred to a high speed signal processing system. Computer programs have been developed to calculate the range and azimuth of a target. Atmospheric effects, such as turbulence, contrast degradation, and forward scattering on a practical system are discussed along with adverse effects caused by vibrations. The feasibility of finding the range and azimuth of a target has been demonstrated over a range of 700 cm and 3.5 deg field of view for a wavelength of 632.8 nm and source power of 10 mW. Range and azimuth values acquired are accurate to within 5 percent. Similar results over longer ranges may be obtained.
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