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Simple Pre-Steering Constraints for Wideband LCMV-beamformer
The LCMV-beamformers are widely used in many applications but to steer array pattern in some direction we need to use phase shifters or additional delay lines for pre-steering. In this paper, we introduce simple constraints ...
Multiband Three-Layer GNSS Microstrip Antenna
There are various receiving antennas of satellite radio navigation systems. As a rule, the qualitative polarization characteristics (axial ratio) are achieved by efficiency degradation or frequency ranges decreasing. In ...