{"number":"US20180106889A1","kindCode":"A1","documentType":"publication","title":{"original":"System and method for radar based threat determination and classification","english":"System and method for radar based threat determination and classification"},"abstract":{"original":"A method for classifying an airborne object detected by a radar system is disclosed. The method includes the steps of identifying quefrency peaks in a quefrency cepstrum generated from a received radar return signal, the quefrency peaks indicative of a rotating physical feature of the airborne object. A rotational velocity of the physical feature is determined based on the quefrency peaks. The method further includes determining at least one parameter or characteristic of a physical feature of the airborne object.…","english":"A method for classifying an airborne object detected by a radar system is disclosed. The method includes the steps of identifying quefrency peaks in a quefrency cepstrum generated from a received radar return signal, the quefrency peaks indicative of a rotating physical feature of the airborne object. A rotational velocity of the physical feature is determined based on the quefrency peaks. The method further includes determining at least one parameter or characteristic of a physical feature of the airborne object.…"},"applicants":["Lockheed Martin Corporation"],"inventors":["Tod M. Schuck","David B. Reese","Mark A. Friesel"],"filingDate":"2017-10-16","publicationDate":"2018-04-19","grantDate":null,"verifiedWithOffice":true,"pdfUrl":"https://downloadpatent.com/pdf/US20180106889A1.pdf","pages":{"en":"https://downloadpatent.com/patent/US20180106889A1","zh-Hant":"https://downloadpatent.com/zh-Hant/patent/US20180106889A1","ja":"https://downloadpatent.com/ja/patent/US20180106889A1"}}