PHOTONIC WIDE-BAND ARRAY ANTENNAS

被引:67
作者
LEE, JJ
LOO, RY
LIVINGSTON, S
JONES, VI
LEWIS, JB
YEN, HW
TANGONAN, GL
WECHSBERG, M
机构
[1] HUGHES AIRCRAFT CO,DEPT ANTENNA,LOS ANGELES,CA 90009
[2] HUGHES AIRCRAFT CO,DIV FIELD SUPPORT,LOS ANGELES,CA 90009
关键词
D O I
10.1109/8.410214
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Presented in this paper is an introduction to the optical control of array antennas by using fiber optic links for remote control and a photonic time shift network for wide instantaneous bandwidth, An overview of the development of a wideband conformal array designed for airborne surveillance radars is given, The paper will cover the system design and the performance of an L-band 96-element array controlled by photonics. Packaging techniques of the photonic components and the array aperture are discussed, The wideband performance of the system will be highlighted. A nano-second impulse response has been measured to demonstrate a 50% instantaneous bandwidth (550 MHz, 30 cm range resolution) for target ID and imaging. A built-in signal injection technique based on time-domain impulse measurement was used to calibrate the wideband components in the time-shift beamforming network.
引用
收藏
页码:966 / 982
页数:17
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