Analysis of Radar Pulse Width Effects on RCS Calibration and Signal to Noise Ratio

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Authors
  1. Chamberland, J.Saper, R.H.
Corporate Authors
Defence R&D Canada - Ottawa, Ottawa ONT (CAN);Vantage Point International Inc, Ottawa ONT (CAN)
Abstract
This document examines the effects of varying radar pulse width on both received signal power and peak signal to noise ratio for a simple pulsed carrier radar transceiver. The work was motivated by the use of mismatched radar pulse widths for calibration of radar cross section measurement data on the DRDC-O, Radar Cross Section Measurement System (DRMS). DRDC-O is Defence Research and Development Canada - Ottawa. A simulated model of a radar receiver matched filter was implemented to predict receiver output. We confirm that the use of mismatched pulse widiths has no effect on calibration of the pulse widths used for the calibrator and target observation are sufficiently larger relative to the reciprocal of the receiver bandwidth. With further analysis of SNR behaviour versus pulse width, we also note that any excess bandwidth over the optimum matched conditon leads to a reduction in SNR.
Keywords
Matched filter processing;Radar pulse width;SNR;RCS;DREO RCS Measurement System (DRMS)
Report Number
DRDC-OTTAWA-CR-2002-115 — Contractor Report
Date of publication
01 Nov 2002
Number of Pages
26
DSTKIM No
CA021685
CANDIS No
518403
Format(s):
Hardcopy;Document Image stored on Optical Disk

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