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This foreword deals exclusively with the planning, organization,
and execution of the Workshop's scientific as well as cultural
programs. It is opened with a synopsis on how the global political
changes that occurred immediately after the Workshop caused the
~elay in producing the proceedings, followed by a brief exposition
on need, timeliness, and importance of this second ARW in the field
of electromagnetic imaging, radar remote sensing, and target versus
clutter di~rimination; and an outline of the objectives. An
informal discussion about some of the organizational details, a
retrospective summary of events, and a preview of the third
workshop, planned for 1993 September 19-25, is intended to
recapture the spirit of this second NATO Advanced Research Workshop
(1988 September 18-24), and will reveal how successful it was in
compar ison to the first of 1983 September 18-24, how its
accomplishments may be appreciated and why a third and last
workshop was requested by its participants to take place during
1993 September 19-25.
In recent years, there has been an increased interest in the use of
polarization effects for radar and electromagnetic imaging problems
(References 1, 2, and 3). The problem of electro magnetic imaging
can be divided into the following areas: (1) Propagation of the
Stokes' vector from the transmitter to the target region through
various atmospheric conditions (rain, dust, fog, clouds,
turbulence, etc.). (2) Scattering of the Stokes' vector from the
object. (3) Scattering of the Stokes' vector from the rough
surface, terrain, and the volume scattering. (4) Propagation of the
Stokes' vector from the target region to the receiver. (5) The
characteristics of the receiver relating the Stokes' vector to the
output. The propagation characteristics of the Stokes' vector
through various media can be described by the equation of transfer.
Even though the scalar equation of transfer has been studied
extensively in the past, the vector equation of transfer has not
received as much attention. In recent years, however, a need for
further study of the vector radiative transfer theory has become
increasingly evident and several important studies have been
reported. This paper presents a general formulation of the vector
theory of radiative transfer under general anisotropic scattering
conditions. Some useful solutions are also presented 4 8 for
several practical situations. - 2. GENERAL FORMULATION OF VECTOR
RADIATIVE TRANSFER THEORY Let us consider the plane-parallel
problem Shovlll in Figure 1.
This is a reproduction of a book published before 1923. This book
may have occasional imperfections such as missing or blurred pages,
poor pictures, errant marks, etc. that were either part of the
original artifact, or were introduced by the scanning process. We
believe this work is culturally important, and despite the
imperfections, have elected to bring it back into print as part of
our continuing commitment to the preservation of printed works
worldwide. We appreciate your understanding of the imperfections in
the preservation process, and hope you enjoy this valuable book.
++++ The below data was compiled from various identification fields
in the bibliographic record of this title. This data is provided as
an additional tool in helping to ensure edition identification:
++++ Messias: Vier Szenen Hans Brand L. Hancke (A. Schneider), 1907
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