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A Novel High-Precision Range Estimation Method Based on Phase of Wideband Radar Echo.
- Source :
-
IEEE Transactions on Geoscience & Remote Sensing . Jun2019, Vol. 57 Issue 6, p3392-3403. 12p. - Publication Year :
- 2019
-
Abstract
- High-precision parameter estimation is crucial for micromotion feature acquisitions. A method of high-precision range estimation based on phase of wideband radar echo is proposed in this paper. After the proposed processing, unwrapped signal phases without any ambiguity can be obtained to calculate the relative range of the target. No constraint condition for phase ambiguity resolution is imposed on the proposed method, which means that it could still work well in low signal-to-noise ratio situations. Cramér–Rao lower bound for the root-mean-squared error of the range estimation is derived in analytical expression. Results of several simulations and experiment with FEKO generated data are presented to show the effectiveness and antinoise performance of the proposed method. [ABSTRACT FROM AUTHOR]
- Subjects :
- *RADAR
*PARAMETER estimation
*ECHO
*SIGNAL-to-noise ratio
*FEATURE extraction
Subjects
Details
- Language :
- English
- ISSN :
- 01962892
- Volume :
- 57
- Issue :
- 6
- Database :
- Academic Search Index
- Journal :
- IEEE Transactions on Geoscience & Remote Sensing
- Publication Type :
- Academic Journal
- Accession number :
- 137270750
- Full Text :
- https://doi.org/10.1109/TGRS.2018.2884446