A Cramer Rao analysis on receiver placement in a FM band Commensal Radar system based on Doppler only measurements
| Autor: | Michael Inggs, Roaldje Nadjiasngar, F.D.V. Maasdorp |
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| Rok vydání: | 2014 |
| Předmět: |
Engineering
Radar tracker business.industry Pulse-Doppler radar law.invention Passive radar Continuous-wave radar Bistatic radar law Electronic engineering ComputerSystemsOrganization_SPECIAL-PURPOSEANDAPPLICATION-BASEDSYSTEMS Radar business Cramér–Rao bound Computer Science::Information Theory Low probability of intercept radar |
| Zdroj: | 2014 International Radar Conference. |
| DOI: | 10.1109/radar.2014.7060298 |
| Popis: | This paper investigates the theoretical placement of receivers in an Commensal Radar (CR), Doppler only tracking system with a single transmitter multiple receiver configuration. Theory, based on the Fisher Information matrix (FIM), is developed to derive the theoretical achievable bound for a given receiver configuration and used as a basis to select the optimal receiver placement. Theoretical concepts such as Shannon entropy and Cramer-Rao analysis are explained and used in the selection process of receiver positions. Further, we show that time history information of a target can cumulatively be used together with FIM that will improve the Cramer-Rao bound. Lastly, we use the theory developed to evaluate receiver placement combinations by means of a simulation and provide insight on the method of selecting receivers that would minimise the error performance of a Doppler only tracking system. The demonstrations used here are typical of a CR using FM Broadcast emissions. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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