Broadband MVDR beam forming calculation method
CN120386973AActive Publication Date: 2025-07-29ZHEJIANG UNIV
Patent Information
- Application Number
- CN202510746527.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-06-05
- Publication Date
- 2025-07-29
- Estimated Expiration
- 2045-06-05
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Figure CN120386973A_ABST
Abstract
The invention discloses a broadband MVDR beam forming calculation method, and the method comprises the steps: firstly building a spatial spectrum estimation matrix of an initial frequency point through reconstructing a spatial spectrum calculation process of an MVDR algorithm; through pre-calculating a frequency increment matrix, independent calculation of frequency points in a traditional algorithm is converted into increment updating of a Hadamard product. Aiming at the problem that the calculation complexity of the broadband MVDR algorithm is sharply increased due to a large amount of exponential operation, the number of times of complex exponential operation is reduced from MFK to 2MK by utilizing the combinable characteristic of the Hadamard product, and the calculation time consumption of the array is reduced while the beam forming precision is kept.
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Citation Information
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