A rigorous expression for electromagnetic beam wave scattering by arbitrary conducting and dielectric scatterers is presented in a simple form using the Fourier transform. As numerical models, the B.E.M. and the multiple cylinders method (M.C.M., circular cylindrical model) for the conducting and dielectric rectangular cylinders are used. Scattering patterns and near field distributions are also illustrated. A comparison between the two methods is made.
An autopsy case with the syndrome of combined congential defects involving the supraumbilical abdominal wall, sternum, diaphragm, pericardium, and heart is reported. In this case, abnormal arterial plexus including anastomosis of the left coronary artery and the left internal mammary artery is recognized at the hernial pericardial wall, in addition to the already reported anomaly complex, i.e. diastasis recti abdominis with pericardial hernia, ventral defect of the diaphragm, partial defect of the sternum, and tetralogy of Fallot. It is suggested that this newly revealed vascular anomaly also comes within a specific syndrome of combined congenital defects.
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