Final report on AN/MPQ-501 receiver improvement work

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TypeTechnical Report
Series titleERB; no. ERB-759
Physical description50 p.
AbstractRecent work on improvement of the AN/MPQ-501 counter mortar radar receiving system is summarized, along with calculated and measured effects of rainfall on the system. Laboratory evaluation of an image-rejection mixer and a commercial parametric amplifier indicates that a basic receiver noise figure close to 4db can be obtained. A revision of the noise monitor equipment to improve its accuracy is described. The construction and performance of a ceramic waveguide window having a VSWR less than 1.1 within the radar band is included. Measurement of the effectiveness of the circular polarizer as a means of reducing rain clutter indicates a gross cancellation of about 20db. Measured clutter levels of 22 to 32db above receiver noise power for light to moderate rainfall rates at a range of 10km are reported.
Publication date
PublisherNational Research Council of Canada, Radio and Electrical Engineering Division
AffiliationNational Research Council Canada
Peer reviewedNo
NRC number35685
NPARC number21275322
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Record identifier61f1d2e6-72ad-4bee-9d4c-4a6263a4ab4a
Record created2015-06-09
Record modified2016-10-03
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