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| Paper: | SAM-P3.5 |
| Session: | Beamforming and Space-Time Processing |
| Time: | Wednesday, May 19, 09:30 - 11:30 |
| Presentation: |
Poster |
| Topic: |
Sensor Array and Multichannel Signal Processing: Beamforming, direction-of-arrival estimation, and space-time adaptive processing |
| Title: |
A NEW CLASS OF BROADBAND ARRAYS WITH FREQUENCY INVARIANT BEAM PATTERNS |
| Authors: |
Wei Liu; University of Southampton | | |
| | Stephan Weiss; University of Southampton | | |
| Abstract: |
In this paper, a new class of broadband arrays with frequency-invariant beam pattern is proposed. By suitable substitutions, the beam pattern of a continuous sensor array with continuous temporal processing can be regarded as the Fourier transform of its spatio-temporal distribution. Based on this principle, starting from the desired frequency-invariant beam pattern, and by a series of substitutions, a simple design method is derived. This method can be applied to one-dimensional (1-D) , 2-D, or 3-D broadband arrays, either with continuous arrays and signal processing or with discrete arrays and signal processing. A 2-D discrete design example is presented. |
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