{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11947003","patent":{"patent_number":"US-11947003","title":"High-accuracy velocity and range estimation of a moving target using differential Zadoff-Chu codes","assignee":null,"inventors":[],"filing_date":"2020-04-16T00:00:00.000Z","publication_date":"2024-04-02T00:00:00.000Z","cpc_codes":["G01S","G01S","G01S"],"num_claims":18,"abstract":"A method for estimating a range of a moving target includes emitting, from a target, a first ultrasound signal T, wherein the first ultrasound signal T is generated based on a first differential Zadoff-Chu sequence x; receiving, at a receiver, a second ultrasound signal R, which corresponds to the first ultrasound signal T, wherein the second ultrasound signal R includes a second differential Zadoff-Chu sequence y; applying a maximum likelihood estimator to the first ultrasound signal T and the second ultrasound signal R to calculate an initial time of flight estimate taucorr; and calculating an initial range estimate dcorr of the target by multiplying the initial time of flight estimate taucorr with a speed of sound c. A differential Zadoff-Chu sequence is different from a Zadoff-Chu sequence."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"High-accuracy velocity and range estimation of a moving target using differential Zadoff-Chu codes","description":"A method for estimating a range of a moving target includes emitting, from a target, a first ultrasound signal T, wherein the first ultrasound signal T is generated based on a first differential Zadof","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11947003","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-11947003","citation_suggestion":"Patentable. \"High-accuracy velocity and range estimation of a moving target using differential Zadoff-Chu codes\" (US-11947003). https://patentable.app/patents/US-11947003","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11947003","json":"https://patentable.app/api/llm-context/US-11947003","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T11:54:03.306Z"}