Cavity-backed antenna integrating a self
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L. Dussopt; J.-M. Laheurte
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Article
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1999
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John Wiley and Sons
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English
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Figure 7 Z distributions when bunker is located 60 m deep underground. In a and c , the observation height is 40 and 80 m, 2 ลฝ . ลฝ . respectively, at frequency 500 Hz. In b and d , the observation height is 40 and 80 m, respectively, at frequency 1200 Hz frequencies which demand unrealistically larg