Zobrazeno 1 - 10
of 101
pro vyhledávání: '"Richard Q. Lee"'
Autor:
Robert R. Romanofsky, C.L. Kory, F. W. Van Keuls, K.M. Lambert, Felix A. Miranda, Richard Q. Lee, Carl H. Mueller
Publikováno v:
IEEE Transactions on Antennas and Propagation. 56:1236-1241
A small-sized active integrated antenna (AIA), consisting of a transmission feedback oscillator loaded with a microstrip antenna is presented in this paper. The oscillator antenna, which consists of a NEC super low noise high frequency field effect t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d460d54c5649233e65e36c59058d7d2a
https://doi.org/10.1109/tap.2008.922628
https://doi.org/10.1109/tap.2008.922628
Publikováno v:
IEEE Transactions on Antennas and Propagation. 48:954-960
A broad-band U-slot rectangular patch antenna printed on a microwave substrate is investigated. The dielectric constant of the substrate is 2.33. The antenna is fed by a coaxial probe. The characteristics of the U-slot patch antenna are analyzed by t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4a02eefbe292227cedf8d309930a59aa
https://doi.org/10.1109/8.865229
https://doi.org/10.1109/8.865229
Publikováno v:
Microwave and Optical Technology Letters. 13:213-216
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1680f1b5c9c49d4cc07d0713922dbc64
https://doi.org/10.1002/(sici)1098-2760(199611)13:4<213::aid-mop11>3.0.co
https://doi.org/10.1002/(sici)1098-2760(199611)13:4<213::aid-mop11>3.0.co
Publikováno v:
Microwave and Optical Technology Letters. 9:149-153
Results based on spectral-domain full-wave analysis are presented for several microstrip antennas with multidielectric layers. The geometries include (a) rectangular patch with two superstrates, (b) rectangular patch with a superstrate and an unwante
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5e386658e10603e9d25c64ac2123b867
https://doi.org/10.1002/mop.4650090313
https://doi.org/10.1002/mop.4650090313
Publikováno v:
Microwave and Optical Technology Letters. 8:212-215
Theoretical results illustrating the behavior of stacked electromagnetically coupled patch antennas are presented, using a recently developed rigorous model for probe-fed microstrip antennas. Examples of design guides are given and the need for compr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3b2f2b750a041696cd54620f46d84d5a
https://doi.org/10.1002/mop.4650080413
https://doi.org/10.1002/mop.4650080413
Publikováno v:
IEEE Transactions on Antennas and Propagation. 43:998-1002
This paper presents the design, fabrication, and numerical modeling of two new uniplanar microstrip-to-coplanar strip (CPS) line transitions and a new variant of the linearly tapered slot antenna (LTSA). This new variant with an integrated uniplanar
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9b5c11cc18fd211cfe0984a56ca61c3d
https://doi.org/10.1109/8.410217
https://doi.org/10.1109/8.410217
Publikováno v:
Microwave and Optical Technology Letters. 7:489-494
This article presents the effective dielectric constant (ϵeff) and attenuation constant (α) of an unshielded slot line and a coplanar strip line on a high-resistivity (5000–10,000 ω-cm) silicon wafer. The ϵeff (dc to 40 GHz) and α (dc to 26.5
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a5af80f5e8b2dc4caaded4b0a87a2d42
https://doi.org/10.1002/mop.4650071104
https://doi.org/10.1002/mop.4650071104
Publikováno v:
Journal of Electromagnetic Waves and Applications. 8:249-272
A full-wave spectral domain formulation for the probe-fed rectangular microstrip antenna is presented. The source is modelled by a magnetic-current frill and multiple modes are used in the probe surface current to account for axial and azimuthal vari
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d64c9dbb51a41e1d4e94c5d3bf258fd0
https://doi.org/10.1163/156939394x00074
https://doi.org/10.1163/156939394x00074
Autor:
Martin L. Zimmerman, Richard Q. Lee
Publikováno v:
International Journal of Microwave and Millimeter-Wave Computer-Aided Engineering. 4:58-66
The finite-difference time-domain (FDTD) method is a widely used numerical technique for computer-aided design (CAD) of printed antennas and arrays. This technique can accurately predict performance characteristics of complex microstrip antennas, inc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ee8fd5c5b0264cd943e3e6c260f85a1e
https://doi.org/10.1002/mmce.4570040109
https://doi.org/10.1002/mmce.4570040109
Publikováno v:
International Journal of Microwave and Millimeter-Wave Computer-Aided Engineering. 3:340-349
Curve-fitting formulas based on moment method results are presented for the normalized resonant frequencies of the TM01 and TM10 modes of a rectangular patch antenna covered with a superstrate. The formulas can be used for a wide range of substrate a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5f218c5a1e872cda63cdc9b83f606de2
https://doi.org/10.1002/mmce.4570030406
https://doi.org/10.1002/mmce.4570030406