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- W2289750188 abstract "The principles and techniques of antenna design were developed in the preceding chapters without consideration of the methods for obtaining design data and for testing the performance of the completed antenna. This and the following chapter will be devoted to a discussion of measurement techniques and a survey of the equipment required for such measurements. The antenna characteristics to be measured fall into four groups: impedance, primary feed patterns, secondary patterns, and gain. The impedance measurement techniques differ little in detail from those for other r-f components of microwave systems; the problem is complicated to a small degree by the fact that the antenna is a radiating load. The importance of the primary feed pattern increases with the progress that is made in reducing antenna design from an empirical to a calculable procedure. The study of pencil beams and fanned beams has shown the need for a detailed knowledge of both the phase and intensity distribution in the primary feed pattern. The over-all characteristics of the antenna are particularly sensitive to the phase characteristics of the feed." @default.
- W2289750188 created "2016-06-24" @default.
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- W2289750188 date "2011-10-06" @default.
- W2289750188 modified "2023-09-26" @default.
- W2289750188 title "Antenna measurements - techniques" @default.
- W2289750188 doi "https://doi.org/10.1049/pbew019e_ch15" @default.
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