A two-element dipole array is configured to provide zero radiation in the broadside ( =± 90°) and endfire ( = 0, 180°) directions, but with maxima occurring at angles in between. Consider such a setup with y at o = 0 and y = -3n at o = a, with both values determined in the H plane. (a) Verify that these values give zero broadside and endfire radiation. (b) Determine the required relative current phase, . (c) Determine the required element spacing, d. (d) Determine the values of o at which maxima in the radiation pattern occur.
A two-element dipole array is configured to provide zero radiation in the broadside ( =± 90°) and endfire ( = 0, 180°) directions, but with maxima occurring at angles in between. Consider such a setup with y at o = 0 and y = -3n at o = a, with both values determined in the H plane. (a) Verify that these values give zero broadside and endfire radiation. (b) Determine the required relative current phase, . (c) Determine the required element spacing, d. (d) Determine the values of o at which maxima in the radiation pattern occur.
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Transcribed Image Text:14.201 A two-element dipole array is configured to provide zero radiation in
the broadside (4 =± 90°) and endfire (4 = 0, 180°) directions, but with
maxima occurring at angles in between. Consider such a setup with w = 1
at o = 0 and w = -3x at o = 1, with both values determined in the H plane.
(a) Verify that these values give zero broadside and endfire radiation.
(b) Determine the required relative current phase, . (c) Determine the
required element spacing, d. (d) Determine the values of p at which
maxima in the radiation pattern occur.
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