Title :
Time-of-arrival measurement for transionospheric EMP
Author :
Eng, R. ; Kim, Y.S.
Author_Institution :
Aerospace Corp., El Segundo, CA, USA
Abstract :
An ionospheric-delay correction model that measures the time of arrival (TOA) of a transionospheric electromagnetic pulse (EMP) is presented. The pulse-broadening effect due to the dispersive ionosphere is incorporated into the ionospheric group-delay model to provide an improved delay correction in measurements of EMP time of arrival. The model´s predictions are compared with laboratory test results for various total electron contents. This improved model also makes it possible to evaluate the sensitivity of TOA performance to changes in the receiver hardware parameters, e.g. filter bandwidth and the threshold levels in the time-tagging process
Keywords :
electromagnetic pulse; ionospheric electromagnetic wave propagation; electromagnetic pulse; filter bandwidth; ionospheric group-delay model; ionospheric-delay correction model; pulse-broadening effect; receiver hardware parameters; threshold levels; time of arrival; time-tagging process; transionospheric EMP; Delay effects; Dispersion; EMP radiation effects; Electromagnetic measurements; Electromagnetic modeling; Ionosphere; Laboratories; Predictive models; Pulse measurements; Time measurement;
Conference_Titel :
Military Communications Conference, 1992. MILCOM '92, Conference Record. Communications - Fusing Command, Control and Intelligence., IEEE
Conference_Location :
San Diego, CA
Print_ISBN :
0-7803-0585-X
DOI :
10.1109/MILCOM.1992.244124
