mamali
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We are making an anechoic chamber in 20GHz~40GHz. The question is that, do we need absorbers at all? It may sound crazy, but because of the high frequency, we can put the antenna under test and the feeding horn very close, say, 50cm from each other; and we can measure it in a big salon, and I hope in this high frequency the reflections do not make to much contribution. Is this very crazy?