{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11520036","patent":{"patent_number":"US-11520036","title":"Method and apparatus for space-variance correction imaging of bistatic SAR, device and storage medium","assignee":null,"inventors":[],"filing_date":"2021-05-11T00:00:00.000Z","publication_date":"2022-12-06T00:00:00.000Z","cpc_codes":["G01S","G01S","G01S"],"num_claims":14,"abstract":"A method for space-variance correction imaging of BiSAR includes: motion parameters corresponding to a target point in an equivalent monostatic mode are calculated using a first motion trajectory, a second motion trajectory and an imaging parameter for focusing a radar echo signal, the target point at least including a center point of an imaging scene; azimuth Doppler center bias correction is performed on the radar echo signal by using the motion parameters corresponding to the center point; uniform and residual range cell migration correction is performed on a corrected signal, range blocking is performed, and range space-variance phase errors are corrected block by block; azimuth blocking is performed, and a corresponding number of filters are constructed for filtering processing; and inverse Doppler center bias correction is further performed to obtain a final imaging result graph."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method and apparatus for space-variance correction imaging of bistatic SAR, device and storage medium","description":"A method for space-variance correction imaging of BiSAR includes: motion parameters corresponding to a target point in an equivalent monostatic mode are calculated using a first motion trajectory, a s","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11520036","license":"CC-BY-4.0-like","license_terms":"AI-generated analysis on this page (summary, layman_explanation, technical_analysis, business_analysis, faqs) may be reused with attribution and a visible link back to the canonical URL above. Patent abstracts, claims, and bibliographic data are USPTO public domain.","required_link":"https://patentable.app/patents/US-11520036","citation_suggestion":"Patentable. \"Method and apparatus for space-variance correction imaging of bistatic SAR, device and storage medium\" (US-11520036). https://patentable.app/patents/US-11520036","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11520036","json":"https://patentable.app/api/llm-context/US-11520036","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T10:18:10.221Z"}