. The Bell System technical journal . Ar IIIII b IIIIIII i e=20. I IK 2 Variation of effective area of a dihcclral with aspect angle. Tlie effective area of a dihedral reflector depends upon both the size of thereflector and the orientation of the reflector with respect to the incident 2 shows how the effective area varies as the dihedral is rotated aboutthe line of intersection of the two planes. The elTective areas for the differ-ent orientations are shown by the shaded regions in the lower part of the TARGETS FOR MICROWAVE RADAR NAVIGATION 855 figure. For a reflector having the
. The Bell System technical journal . Ar IIIII b IIIIIII i e=20. I IK 2 Variation of effective area of a dihcclral with aspect angle. Tlie effective area of a dihedral reflector depends upon both the size of thereflector and the orientation of the reflector with respect to the incident 2 shows how the effective area varies as the dihedral is rotated aboutthe line of intersection of the two planes. The elTective areas for the differ-ent orientations are shown by the shaded regions in the lower part of the TARGETS FOR MICROWAVE RADAR NAVIGATION 855 figure. For a reflector having the dimensions shown in the figure theeffective area for different angles of incidence 6 can be calculated by the for-mula. A eff =2 ah sin (45° - 6) where d is always considered positive and less than 45°. Figure 3 shows the polarization of the reflected ray for differently polarizedincident rays. For our purpose, the incident rays may be assumed to enterthe left side of the reflector shown in the figure and the reflected rays may beassumed to emerge from the r
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Keywords: ., bookcentury1900, bookdecade1920, booksubjecttechnology, bookyear1
