Abstract
This work addresses the range in which the accuracy of object identification is enhanced regardless of radar parameters. We compute the radar cross-section (RCS) of conducting objects in free space and random media. We use beam wave incidence and postulate its coherency with a finite width around an object located in the far field. Accordingly, we examine the impact of radar parameters on the RCS, where these parameters include the incident angle, target size and complexity, medium fluctuation intensity and the beam size of the incident waves. H-wave polarization is assumed for the waves’ incidence.
Highlights
Calculation of electromagnetic waves from objects has been considered by researchers over the years [1,2,3]
spatial coherence length (SCL) is used to illustrate the medium impcat on the laser radar cross-section (LRCS)
This work presents an investigation on the radar parameters that affect waves scattering from conducting targets with finite dimensions embedded in random media
Summary
Calculation of electromagnetic waves from objects has been considered by researchers over the years [1,2,3]. In order to formulate the scattering waves, this method assumes an operator that uses the current generated on the surface of the object. The impact of incident wave features on the RCS of a limited-size target is evident, especially in a disordered medium [7]. We should consider a more practical detection technique where we utilize a beam wave with a finite beam width that can surround a large object. In this regard, we use the CGM to calculate the laser radar cross-section (LRCS) [12] of a conducting target in turbulence. The time factor exp(-iwt) is considered, but is eliminated in the formulation part
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