Doppler radar test system

作者: Dennis M. Lewis , Wayne L. Cooper

DOI:

关键词: Radar displayEngineeringElectromagnetic radiationAcousticsPulse repetition frequencyPulse-Doppler radarDoppler radarReflection (physics)

摘要: A system is provided that includes a Doppler radar unit transmits first electromagnetic wave having frequency, which test converts to electrical signal the frequency. The generates second and mixes signals produce third third, sum or difference frequency represents Doppler-shifted caused by reflection of target at distance from unit. back for calculation speed representing as function frequencies, may be calculated/certified.

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