Abstract
The status of numerical techniques for radar signature prediction, including an approximate, asymptotic method for solving Maxwell's equations for incident radiation of small wavelengths as well as two numerically exact methods based on solving Maxwell's equations in the partial differential and integral forms, are discussed. Particular attention is given to the finite-volume, time-domain approach for solving Maxwell's equations numerically in the differential form and to the adaptive integral method designed for solving Maxwell's equations. The methods discussed are being developed into a powerful detail design tool. Although the present analytical and numerical techniques as well as computer architectures limit their practical use to small-size objects, they hold great promise for simulating a complete aircraft configuration within a timeframe of several computing hours. >
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