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An Approach for Simultaneous Multi-Beam Fitting Angle Measurement in Digital Array Radar at Subarray Level
Pages: 215-219
Year: Issue:  2
Journal: Radar Science and Technology

Abstract: Aiming at the application of digital simultaneous multi-beam technology in subarray-level digital array radar,a multi-beam fitting angle measurement method for subarray-level digital array radar is proposed.First,an approach to form simultaneous multiple beams by digital weighting is introduced.Then a fitting angle estimation model based on amplitude comparison method is established,and its implementation flow and steps are described.At last the simulation and analysis are carried on.The angle estimation precision is equal to that of digital monopulse angle estimation according to simulation results.And the angle estimation method can provide a wider range of angle measurement under the condition of keeping certain angle measuring accuracy.It is valuable for engineering application.
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