Coherent Processing with Frequency Agility

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Authors
  1. Chan, H.C.
Corporate Authors
Defence R&D Canada - Ottawa, Ottawa ONT (CAN)
Abstract
For conventional pulse-Doppler radars, the frequency of the radar must remain constant over the coherent integration time. For a high-frequency surface-wave radar, the coherent integration time can be as long as several minutes. This means that the radar must be permitted to transmit in a particular frequency channel for several minutes. This presents a problem when there is a requirement for the radar to switch to another frequency whenever there are other users in the radar band. In this memorandum, an analysis is carried out to explore means to maintain coherent integration gain while operating in a frequency-agility mode.

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Keywords
COHERENT RADAR;SURFACE WAVE;HIGH FREQUENCY;HF;GROUND-WAVE;OVER-THE-HORIZON;DOPPLER PROCESSING;DIGITAL BEAMFORMING;Coherent processing;Coherent radar design;HFSWR (High Frequency Surface Wave Radar)
Report Number
DRDC-OTTAWA-TM-2006-263 — Technical Memorandum
Date of publication
01 Dec 2006
Number of Pages
35
DSTKIM No
CA028820
CANDIS No
527094
Format(s):
CD ROM

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