A New Target Detector Based on Geometrical Perturbation by Armando Marino PDF

By Armando Marino

ISBN-10: 3642271626

ISBN-13: 9783642271625

This thesis offers a groundbraking technique for the radar overseas neighborhood. The detection procedure brought, particularly perturbation research, is completey novel displaying a impressive power of pondering open air the field. Perturbation research is ready to push ahead the functionality limits of present algorithms, permitting the detection of objectives smaller than the solution mobilephone and hugely embedded in muddle. The technique itself is impressive flexibe and has already been utilized in different huge initiatives, funded through the ESA (European house Agency): M-POL for maritime surveillance, and DRAGON-2 for land category with specific recognition to forests. This ebook is a wonderfully organised piece of labor the place each aspect and viewpoint is considered on the way to supply a complete imaginative and prescient of the issues and solutions.

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Extra resources for A New Target Detector Based on Geometrical Perturbation Filters for Polarimetric Synthetic Aperture Radar (POL-SAR)

Sample text

The SAR image displays the reflectivity of a scene and it can be represented as a matrix of complex numbers. 3 Statistical Characterisation of Targets 17 Fig. 5 Gaussian distribution with variable mean and standard deviation resolution cell (since it is the square root of the power). Using the pdf of real and imaginary parts, it is possible to extract the joint pdf of amplitude and phase of the backscattering   V V2 fV/ ðV; /Þ ¼ pffiffiffiffiffiffiffiffiffiffi exp À 2 : ð2:11Þ 2r 2pr2 Integrating the expression in Eq.

Far from the source, the propagation is accomplished with a spherical wave that can be locally approximated as plane wave. The wave front is a plane and the electric and magnetic fields are orthogonal to the direction of propagation. Such propagation is equivalently regarded as Transverse ElectroMagnetic (TEM) since the fields lie in the transverse plane (Stratton 1941). 9 shows the coordinate system exploited. The electric field can be written as E ¼ Ex ux þ Ey uy ; ð2:27Þ where the propagation is accomplished in the z direction and Ex ; Ey , are complex numbers.

1 Introduction The aim of this chapter is to provide the basic concepts and tools for the study of polarimetric observations. The literature in this context is vast (especially regarding the description of targets) and for the sake of brevity some issues are not covered. Instead, this chapter focuses on the tools actually utilised in the formulation of the polarimetric detector described in later chapters. For a thorough treatment of polarimetry the reader is directed to (Boerner 2004; Cloude 2009; Goldstein and Collett 2003; Mott 2007; Zebker and Van Zyl 1991; Lee and Pottier 2009).

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A New Target Detector Based on Geometrical Perturbation Filters for Polarimetric Synthetic Aperture Radar (POL-SAR) by Armando Marino


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