Physics – Physics Education
Scientific paper
2011-06-10
American Journal of Physics, Vol 79, Issue 12, Dec 2011
Physics
Physics Education
Accepted for publication in American Journal of Physics
Scientific paper
10.1119/1.3643704
A system using a personal computer, speaker, and a microphone is used to detect objects, and make crude measurements using a carrier modulated by a pseudorandom noise (PN) code. This system can be constructed using a personal computer and audio equipment commonly found in the laboratory or at home, or more sophisticated equipment that can be purchased at reasonable cost. We demonstrate its value as an instructional tool for teaching concepts of remote sensing and digital signal processing.
Campbell Joel F.
Flood Michael A.
Hodson Wade D.
Prasad Narasimha S.
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