Physics · Antenna and Wave Propagation
For measuring the antenna far-field pattern, what must be the minimum distance R between the transmitting and receiving antennas, where D is the maximum dimension of the antenna and λ is the wavelength?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1R > 2D2/λ✓
- 2R > 4D2/λ
- 3R > D2/(2λ)
- 4R > D2/λ
Correct answer
R > 2D2/λ
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