Measurement of the Angle of Arrival of Microwaves

Sharpless, W.M.

doi:10.1109/jrproc.1946.232265

Cited by 33 publications

(6 citation statements)

References 3 publications

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“…The well-known Mie theory is the basis for models of raininduced attenuation. If drop-size distribution [2], [3] and fall speed of drops [4], [5] are taken into account, the theoretical relation between rain intensity and attenuation may be derived for spherical drops. The agreement with experiments is satisfactory.…”

Section: Discussionmentioning

confidence: 99%

Holographic reconstruction of source distributions from microwave height-gain curves

Ja¹

1976

IEEE Trans. Antennas Propagat.

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Section: Discussionmentioning

confidence: 99%

Holographic reconstruction of source distributions from microwave height-gain curves

Ja¹

1976

IEEE Trans. Antennas Propagat.

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“…Angle-of-arrival measurements over line-of-sight paths have been reported by Sharpless [1946], Crawford and Sharpless [ 1946], and Straiton and Gerhardt [1948]. The measurements by Sharpless give an upper bound of 6' to angle-of-arrival fluctuations over a 24-mile path over water between Holmdel, N.J., and New York, while the later measurements of Crawford and Sharpless with improved precision reported horizontal angle-of-arrival deviations never exceeding 1.8 1 over the same 24-mile path.…”

Section: Comparison With Other Beam-scintillation Measurementsmentioning

confidence: 99%

Angle‐of‐Arrival Measurements Performed Over a 296‐km Troposcatter Path

Kieburtz

Fantera

1966

Radio Science

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Angle‐of‐arrival measurements have been performed on a troposcatter path by simultaneous reception in angle diversity using antenna beams of 19.2‐min beamwidth. The transmitting beamwidth is also 19.2 min, permitting measurement of the beam broadening due to the variable refractive index along the propagation path. The results of these measurements have indicated that the antenna beam may sometimes undergo an rms horizontal deflection as great as 17 min of arc over the half‐path length of 148 km.

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“…References (6) and (12) have reported multiple-path transmission caused by refraction rather than reflection. Two, three, and sometimes more signal components were found to arrive at differing angles in the vertical plane.…”

Section: Refractionmentioning

confidence: 99%

Experimental Evaluation of a 1000-Wavelength Antenna

Fitzgerald¹,

Lynn²,

Keeping³

1963

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The recent demands of space surveillance and space communications have Sgreatly increased the need for very high-gain, narrow-beam antennas. Until recently, this need has been fulfilled by increasing the physical aperture of reflectors operating at wavelengths of 3 cm or longer. However, the higher frequencies of the millimeter band can improve gain and beamwidth with relatively small structures, while simultaneously permitting extremely wide bandwidths, relatively unused spectrum, small size of waveguide components and reduced interference. ,rESD -TDR 1J3

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Measurement of the Angle of Arrival of Microwaves

Cited by 33 publications

References 3 publications

Holographic reconstruction of source distributions from microwave height-gain curves

Holographic reconstruction of source distributions from microwave height-gain curves

Angle‐of‐Arrival Measurements Performed Over a 296‐km Troposcatter Path

Experimental Evaluation of a 1000-Wavelength Antenna

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