... AP-32, NO. 10, OCTOBER 1984 where T, = kl cos kld + jk2 sin kld, 11////11///I///1///// 1//11/... more ... AP-32, NO. 10, OCTOBER 1984 where T, = kl cos kld + jk2 sin kld, 11////11///I///1///// 1//11/ //// to&JlouNo rnk Fig. 1. Geometry of an intinite array of microstrip patches. ... (29)l): (frkt - k3k2 cos kld +jk,(k; - k:) sin kld . Qxx = sin k,d (2) Te Tm ...
... D. The Moment Method Solution for the Radar Cross Section The radar cross section of amicrost... more ... D. The Moment Method Solution for the Radar Cross Section The radar cross section of amicrostrip patch has recently been treated [9], although the effect of the terminating impedance (antenna mode scattering) was not considered. ... Let the microstrip patch antenna of Fig. ...
Standard Chebyshev and Taylor reduced sidelobe synthesis techniques ignore mutual coupling, and s... more Standard Chebyshev and Taylor reduced sidelobe synthesis techniques ignore mutual coupling, and so can lead to pattern errors where the resulting array pattern departs significantly from the desired pattern. Two methods for correcting this error are described and examples of their application to eight-element dipole arrays are presented. One approach uses characteristic modes, while the other method employs a simpler array mode and point matching. The techniques can also be applied to synthesis of nonuniform arrays.
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, VOL. AP-34, NO. 12, DECEMBER 1986 ... A Reciprocit... more IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, VOL. AP-34, NO. 12, DECEMBER 1986 ... A Reciprocity Method of Analysis. for Printed Slot ... Abstract-A method is presented for the analysis of slot-type disconti-nuities in microstripline. The approach is based on ...
The optimum solution for the transient radiation from a dipole array is derived in terms of the t... more The optimum solution for the transient radiation from a dipole array is derived in terms of the time-domain voltages which are required at the input terminals of dipoles in an array so that the amplitude of the transient radiated field at a specified time and far-field position is maximized. Constraints are placed on the energy and bandwidth of the input
IEEE Transactions on Antennas and Propagation, 1978
A moment method solution to the problem of radiation or scattering from geometries consisting of ... more A moment method solution to the problem of radiation or scattering from geometries consisting of open or closed surfaces, wires, and wire/surface junctions is presented. The method is based on the sinusoidal reaction formulation. Several examples of input impedance calculations illustrate the versatility, accuracy, and computational efficiency of the method.
IEEE Transactions on Antennas and Propagation, 1982
Abstract-A moment method solution to the problem of input im-pedance and mutual coupling of recta... more Abstract-A moment method solution to the problem of input im-pedance and mutual coupling of rectangular microstrip antenna ele-ments is presented. The formulation uses the grounded dielectric slab Green's function to account rigorously for the presence of the sub-strate ...
IEEE Transactions on Antennas and Propagation, 1985
... Fig. 1. Geometry of an N X N array of printed dipoles on a grounded dielectric slab. where Q(... more ... Fig. 1. Geometry of an N X N array of printed dipoles on a grounded dielectric slab. where Q(km ky) - (crk;-k3k2 cos k,d+jkl(ki-k:) sin kld - Te Tm sin kld. (2) T, = kl cos k,d+ jk2 sin kld, (3) T,=erk2 cos kld+jkl sin kld, (4) k? = €,kg - P2, Im (k,) < 0, (5) k: = ki - P2, Im (k2) < 0, (6) (7) ...
IEEE Transactions on Antennas and Propagation, 1984
... eikx(x-xO)dky(Y-J&#x27;O) dkx dk,, (2) where (erki - k3k2 COS kld+]&#x27;kl(k% - kt )... more ... eikx(x-xO)dky(Y-J&#x27;O) dkx dk,, (2) where (erki - k3k2 COS kld+]&#x27;kl(k% - kt ) Sin k1d TeTm m x , k,) = sin kld, T, = kl cos kld + jk2 sin kld, T, = epk2 cos kld + jklin kld, (3) k:=E,k:-f12, Im(k1)&lt;0 k2 - 2 2&#x27;- ko - f12, Im (k3 &lt; 0 f12 = k: + k;, ko =a== 2n/X, zo = mo . (4) ...
IEEE Antennas and Propagation Society International Symposium. 1998 Digest. Antennas: Gateways to the Global Network. Held in conjunction with: USNC/URSI National Radio Science Meeting (Cat. No.98CH36194), 1998
This paper will describe the development of a dual-frequency SAR array operating in the L and C b... more This paper will describe the development of a dual-frequency SAR array operating in the L and C bands, with dual linear polarization capability in both bands. This array shares the same radiating aperture for both bands and both polarizations, resulting in the smallest possible aperture area for a given gain specification. A critical constraint in this project was the requirement
... AP-32, NO. 10, OCTOBER 1984 where T, = kl cos kld + jk2 sin kld, 11////11///I///1///// 1//11/... more ... AP-32, NO. 10, OCTOBER 1984 where T, = kl cos kld + jk2 sin kld, 11////11///I///1///// 1//11/ //// to&amp;JlouNo rnk Fig. 1. Geometry of an intinite array of microstrip patches. ... (29)l): (frkt - k3k2 cos kld +jk,(k; - k:) sin kld . Qxx = sin k,d (2) Te Tm ...
... D. The Moment Method Solution for the Radar Cross Section The radar cross section of amicrost... more ... D. The Moment Method Solution for the Radar Cross Section The radar cross section of amicrostrip patch has recently been treated [9], although the effect of the terminating impedance (antenna mode scattering) was not considered. ... Let the microstrip patch antenna of Fig. ...
Standard Chebyshev and Taylor reduced sidelobe synthesis techniques ignore mutual coupling, and s... more Standard Chebyshev and Taylor reduced sidelobe synthesis techniques ignore mutual coupling, and so can lead to pattern errors where the resulting array pattern departs significantly from the desired pattern. Two methods for correcting this error are described and examples of their application to eight-element dipole arrays are presented. One approach uses characteristic modes, while the other method employs a simpler array mode and point matching. The techniques can also be applied to synthesis of nonuniform arrays.
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, VOL. AP-34, NO. 12, DECEMBER 1986 ... A Reciprocit... more IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, VOL. AP-34, NO. 12, DECEMBER 1986 ... A Reciprocity Method of Analysis. for Printed Slot ... Abstract-A method is presented for the analysis of slot-type disconti-nuities in microstripline. The approach is based on ...
The optimum solution for the transient radiation from a dipole array is derived in terms of the t... more The optimum solution for the transient radiation from a dipole array is derived in terms of the time-domain voltages which are required at the input terminals of dipoles in an array so that the amplitude of the transient radiated field at a specified time and far-field position is maximized. Constraints are placed on the energy and bandwidth of the input
IEEE Transactions on Antennas and Propagation, 1978
A moment method solution to the problem of radiation or scattering from geometries consisting of ... more A moment method solution to the problem of radiation or scattering from geometries consisting of open or closed surfaces, wires, and wire/surface junctions is presented. The method is based on the sinusoidal reaction formulation. Several examples of input impedance calculations illustrate the versatility, accuracy, and computational efficiency of the method.
IEEE Transactions on Antennas and Propagation, 1982
Abstract-A moment method solution to the problem of input im-pedance and mutual coupling of recta... more Abstract-A moment method solution to the problem of input im-pedance and mutual coupling of rectangular microstrip antenna ele-ments is presented. The formulation uses the grounded dielectric slab Green&amp;amp;#x27;s function to account rigorously for the presence of the sub-strate ...
IEEE Transactions on Antennas and Propagation, 1985
... Fig. 1. Geometry of an N X N array of printed dipoles on a grounded dielectric slab. where Q(... more ... Fig. 1. Geometry of an N X N array of printed dipoles on a grounded dielectric slab. where Q(km ky) - (crk;-k3k2 cos k,d+jkl(ki-k:) sin kld - Te Tm sin kld. (2) T, = kl cos k,d+ jk2 sin kld, (3) T,=erk2 cos kld+jkl sin kld, (4) k? = €,kg - P2, Im (k,) < 0, (5) k: = ki - P2, Im (k2) < 0, (6) (7) ...
IEEE Transactions on Antennas and Propagation, 1984
... eikx(x-xO)dky(Y-J&#x27;O) dkx dk,, (2) where (erki - k3k2 COS kld+]&#x27;kl(k% - kt )... more ... eikx(x-xO)dky(Y-J&#x27;O) dkx dk,, (2) where (erki - k3k2 COS kld+]&#x27;kl(k% - kt ) Sin k1d TeTm m x , k,) = sin kld, T, = kl cos kld + jk2 sin kld, T, = epk2 cos kld + jklin kld, (3) k:=E,k:-f12, Im(k1)&lt;0 k2 - 2 2&#x27;- ko - f12, Im (k3 &lt; 0 f12 = k: + k;, ko =a== 2n/X, zo = mo . (4) ...
IEEE Antennas and Propagation Society International Symposium. 1998 Digest. Antennas: Gateways to the Global Network. Held in conjunction with: USNC/URSI National Radio Science Meeting (Cat. No.98CH36194), 1998
This paper will describe the development of a dual-frequency SAR array operating in the L and C b... more This paper will describe the development of a dual-frequency SAR array operating in the L and C bands, with dual linear polarization capability in both bands. This array shares the same radiating aperture for both bands and both polarizations, resulting in the smallest possible aperture area for a given gain specification. A critical constraint in this project was the requirement
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