US 12,308,906 B2
Radio astronomy interference signal reduction method, apparatus, and system and computer device
Yu Wang, Hangzhou (CN); Ran Duan, Beijing (CN); Yi Feng, Hangzhou (CN); and Di Li, Hangzhou (CN)
Assigned to ZHEJIANG LAB, Hangzhou (CN)
Filed by ZHEJIANG LAB, Hangzhou (CN)
Filed on Sep. 6, 2023, as Appl. No. 18/242,531.
Claims priority of application No. 202310276003.7 (CN), filed on Mar. 15, 2023.
Prior Publication US 2024/0313830 A1, Sep. 19, 2024
Int. Cl. H04L 5/12 (2006.01); H04B 7/0426 (2017.01); H04B 7/08 (2006.01); H04B 17/21 (2015.01)
CPC H04B 7/043 (2013.01) [H04B 7/0857 (2013.01); H04B 17/22 (2023.05)] 10 Claims
OG exemplary drawing
 
1. A radio astronomy interference signal reduction method, comprising:
acquiring at least two beam signals, and obtaining a covariance matrix between all the beam signals according to the beam signals, wherein the beam signals comprise subsignals from at least two directions;
performing eigen-decomposition processing on the covariance matrix to obtain signal eigenvectors and eigenvalues corresponding to the subsignals, and extracting interference eigenvectors corresponding to interference signals from the signal eigenvectors based on the eigenvalues;
obtaining a target reduction result for the interference signals according to the signal eigenvectors and the interference eigenvectors.