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Power conservation for reflector antennas with truncated feed patterns (1976)

Cramer, P. ; Rush, W. V. T.

In: Other Sources

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Publication Date: 2011-08-16

Description: Reflector-antenna calculations using idealised truncated feed patterns can lead to incorrect values of total secondary radiated power. It is demonstrated that this discrepancy is due to the presence of higher-order spherical modes incident on the reflector. When a proper spherical-wave expansion of the incident field is used, in conjunction with the physical-optics technique, to determine the scattered field, the total power of the scattered field will equal the power radiated by the feed.

Keywords: COMMUNICATIONS AND RADAR

Type: Electronics Letters; 12; Mar. 18

Format: text

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