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Figure 417: Antenna pattern identication dialog boxAnchor F417 F417
Table 71: Description of the Antenna pattern user interface in SEAMCATAnchor T071 T071
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To define the horizontal, vertical or spherical antenna patterns, the dialog window is similar to those used to enter the function dialog windows. However the important difference is that antenna pattern dialog windows do not allow to set Constant parameters, and they have two displays to present the entered data - the usual XY plane, and the Polar display. These are illustrated by two respective pictures below.
Figure 418: Antenna pattern dialog boxAnchor F418 F418
Figure 419: Defining antenna pattern, using XY coordinates systemAnchor F419 F419
Figure 420: Defining antenna pattern, using Polar coordinates systemAnchor F420 F420
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It is assumed that the frequency has no impact on antenna efficiency/gain, therefore antenna gains are calculated based on pure peak gain combined with necessary angular discrimination in case of directional antennas (i.e. antennas having radiation patterns assigned in the scenario).
Figure 421: Horizontal, vertical and Spehrical antenna pattern conventionAnchor F421 F421
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