Transcription of Radar Frequencies and Waveforms - ITS
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Radar Frequencies and Waveforms - ITS
Radar Frequencies and Waveforms 12th Annual International Symposium on Advanced Radio Technologies Michael Davis Georgia Tech Research Institute Sensors and Electromagnetic Applications Laboratory Based on material created by Byron M. Keel, , GTRI. Waveforms Extract Target Information A Radar system probes its environment with specially designed Waveforms to identify and characterize targets of interest. Detection For a given range, angle, and/or Doppler, decide if a target is or is not present. Example: Moving target indication (MTI) Radar Estimation For a given range, angle, and/or Doppler, estimate Example: Synthetic aperture Radar (SAR) imaging 2.
Exciter / LO t d Commonly referred to as a de-ramp operation Caputi, “Stretch: A Time-Transformation Technique”, March 1971 ft bd t A/D DFT cy Time Exciter / LO f b t d Filter limits range of frequencies Filter defines A/D requirements Filter defines range window extent beat frequency Parameter Value Units Pulse Length 50 usec Waveform ...
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