A Hybrid Rx/Tx Phased Array Antenna With a Spiral Lattice for Sidelobe Level Reduction

2020 ◽  
Author(s):  
Shubham Singh ◽  
Hengyi Zhou ◽  
Benjamin Falkner ◽  
Amit Mehta ◽  
Alessandro Modigliana
Keyword(s):  
Phased Array ◽  
Array Antenna ◽  
Sidelobe Level ◽  
Phased Array Antenna ◽  
Sidelobe Level Reduction ◽  
Level Reduction

scholarly journals An Improved Peak Sidelobe Reduction Method for Subarrayed Beam Scanning

2015 ◽  
Vol 2015 ◽  
pp. 1-6 ◽  
Author(s):  
Hang Hu ◽  
Xuepeng Luan ◽  
Guanglei Zhang ◽  
Ke Song ◽  
Weihui Liu ◽  
...  
Keyword(s):  
Phased Array ◽  
Reduction Method ◽  
Ideal Space ◽  
Sidelobe Level ◽  
Beam Scanning ◽  
Array Pattern ◽  
Element Number ◽  
Sidelobe Level Reduction ◽  
Remarkable Reduction ◽  
Level Reduction

This paper focused on PSL (peak sidelobe level) reduction for subarrayed beam scanning in phased array radars. The desired GSP (Gaussian Subarray Patterns) are achieved by creating a subarray weighting network. The GSP-based method could reduce PSL of array pattern; compared with the method based on the desired subarray pattern which is defined by ideal space-domain filter, the PSL reduction performance is improved remarkably. Further, based on the concept adopting superelement patterns to approximately express original subarray patterns, the simplified GSP-based method is proposed. So the dimension of each matrix required for creating the weighting network, which was originally the same as the element number, could be reduced to the same as the subarray number. Consequently, we achieve remarkable reduction of the computation burden; simultaneously, the PSL mitigation performance is degraded slightly. Simulation results demonstrate the validity of the introduced methods.

Phase Control and Calibration Characteristics of Optically Controlled Phased Array Antenna Feed Using Multiple SMFs

2011 ◽  
Vol E94-C (10) ◽  
pp. 1634-1640 ◽  
Author(s):  
Daiki TAKEUCHI ◽  
Wataru CHUJO ◽  
Shin-ichi YAMAMOTO ◽  
Yahei KOYAMADA
Keyword(s):  
Phased Array ◽  
Phase Control ◽  
Array Antenna ◽  
Antenna Feed ◽  
Phased Array Antenna
Sign in / Sign up

Export Citation Format

Share Document