Communications: directive radio wave systems and devices (e.g. – Return signal controls external device – Missile or spacecraft guidance
Patent
1991-11-04
1993-06-15
Blum, Theodore M.
Communications: directive radio wave systems and devices (e.g.,
Return signal controls external device
Missile or spacecraft guidance
343705, 343786, 342374, G01S 1300
Patent
active
052203301
ABSTRACT:
A missile guidance antenna that is conformal to the missile surface, dual-polarized and broadband. Slotline notch array elements (30, 52) are inclined toward boresight for both the E and H-planes. This inclination directs a greater portion of the energy toward the front of the missile. The additional energy directed forward reduces the nullifying effects of the metallic skin on the tangential E-field and enhances the performance of the other polarization. The slotline elements (30, 52) can be packed with spacing close enough to allow for electronic beam steering without creating grating lobes in the field at the highest frequency of operation.
REFERENCES:
patent: 3373430 (1968-03-01), Croswell et al.
patent: 4101895 (1978-07-01), Jones, Jr.
patent: 4125839 (1978-11-01), Kaloi
patent: 4287518 (1981-09-01), Ellis, Jr.
patent: 4843403 (1989-06-01), Lalezari et al.
patent: 4980692 (1990-12-01), Rudish et al.
patent: 5070339 (1991-12-01), Chu et al.
Bartley Steven W.
Salvail Gary
Blum Theodore M.
Brown Charles D.
Densow-Low Wanda K.
Heald Randall M.
Hughes Aircraft Company
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