Covariance Matrix Synthesis Using Maximum Ratio Combining in Coherent MIMO Radar with Frequency Diversity
- Authors
- Jeon, Hyeonmu; Chung, Yongseek; Chung, Wonzoo; Kim, Jongmann; Yang, Hoongee
- Issue Date
- 1월-2018
- Publisher
- KOREAN INST ELECTR ENG
- Keywords
- Covariance matrix; RCS; Frequency diversity; DOA; Multicarrier; MIMO
- Citation
- JOURNAL OF ELECTRICAL ENGINEERING & TECHNOLOGY, v.13, no.1, pp.445 - 450
- Indexed
- SCIE
SCOPUS
KCI
- Journal Title
- JOURNAL OF ELECTRICAL ENGINEERING & TECHNOLOGY
- Volume
- 13
- Number
- 1
- Start Page
- 445
- End Page
- 450
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/78088
- DOI
- 10.5370/JEET.2018.13.1.445
- ISSN
- 1975-0102
- Abstract
- Reliable detection and parameter estimation of a radar cross section(RCS) fluctuating target have been known as a difficult task. To reduce the effect of RCS fluctuation, various diversity techniques have been considered. This paper presents a new method for synthesizing a covariance matrix applicable to a coherent multi-input multi-output(MIMO) radar with frequency diversity. It is achieved by efficiently combining covariance matrices corresponding to different carrier frequencies such that the signal-to-noise ratio(SNR) in the combined covariance matrix is maximized. The value of a synthesized covariance matrix is assessed by examining the phase curves of its entries and the improvement on direction of arrival(DOA) estimation.
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