NDLI: Bernoulli filter for range and Doppler ambiguous radar

Content Provider	IET Digital Library
Author	Cai, Fei Fan, Hongqi Lu, Zaiqi Fu, Qiang
Abstract	A pulse Doppler radar worked in medium or high pulse repetition frequency (PRF) may suffer from range and Doppler ambiguities. The common method to solve ambiguities is to use multiple PRFs and do correlation between them. The ghosting problem may be caused by the false alarms in the correlation. When the signal-to-noise ratio is low, a low detection threshold is needed to guarantee the probability of detection, which may create a large amount of false alarms that are intractable for existing techniques. This study uses a Bayesian method to detect and track a single target in a range and Doppler ambiguous radar. The authors’ method is formulated based on the finite set representation of the target state and the recently developed Bernoulli filter. Besides, a sequential Monte Carlo implementation of the Bernoulli filter is proposed for the problem of range and Doppler ambiguous measurement. Simulation results show that the proposed filter can simultaneously detect and track the target using the ambiguous measurements in the presence of dense false alarms.
Starting Page	647
Ending Page	654
Page Count	8
ISSN	17519675
Volume Number	9
e-ISSN	17519683
Issue Number	Issue 9, Dec (2015)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-spr/9/9
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-spr.2015.0013
Journal	IET Signal Processing
Publisher Date	2015-12-01
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Bayes Method Bernoulli Filter Dense False Alarms Detection Probability Doppler Ambiguous Radar Doppler Radar Finite Set Representation Monte Carlo Method Pulse Doppler Radar Pulse Repetition Frequency Radar Detection Radar Equipment Radar Signal Processing Radar Theory Sequential Monte Carlo Signal Detection Signal to Noise Ratio System And Application
Content Type	Text
Resource Type	Article
Subject	Signal Processing Electrical and Electronic Engineering

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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