An improved variable velocity notch moving target receiver

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TypeTechnical Report
Series titleERB; no. ERB-713
Physical description25 p.
Subjectcoherent oscillator signal; velocity
AbstractThe Royal Canadian Air Force considers chaff to be one of the main threats in an air attack because of the presentation of a large number of false alarms to a PPI operator or to the automatic data transmission equipment (the AN/ FST-2). Normally, MTI is not effective because the radial velocity of the chaff lies outside the blind speeds(velocity notches). New techniques in single sideband modulation provide a simple means of shifting the frequency of the coherent oscillator signal so as to allow the velocity notches to be shifted to cover the velocity of the chaff. The design and evaluation of the improved Variable Velocity Notch Moving Target Indication(VVNMTI)system is de­scribed. CFAR-MTI and the integration of the VVNMTI into the diplexed AN/ FPS-508 radar is also described.
Publication date
PublisherNational Research Council of Canada, Radio and Electrical Engineering Division
AffiliationNational Research Council Canada
Peer reviewedNo
NRC number35675
NPARC number21274671
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Record identifiera44108be-ae7e-4197-a5ae-ef49af4ceabe
Record created2015-03-24
Record modified2016-10-03
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