Coherent Doppler Processing Using Interpolated Doppler Data in Bistatic Radar
- Authors
- Youn, Jaehyuk; Yang, Hoongee; Chung, Yongseek; Chung, Wonzoo; Jeong, Myungdeuk
- Issue Date
- 8월-2013
- Publisher
- IEICE-INST ELECTRONICS INFORMATION COMMUNICATIONS ENG
- Keywords
- bistatic radar; range walk; coherent detection; Doppler processing
- Citation
- IEICE TRANSACTIONS ON FUNDAMENTALS OF ELECTRONICS COMMUNICATIONS AND COMPUTER SCIENCES, v.E96A, no.8, pp.1803 - 1807
- Indexed
- SCIE
SCOPUS
- Journal Title
- IEICE TRANSACTIONS ON FUNDAMENTALS OF ELECTRONICS COMMUNICATIONS AND COMPUTER SCIENCES
- Volume
- E96A
- Number
- 8
- Start Page
- 1803
- End Page
- 1807
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/102538
- DOI
- 10.1587/transfun.E96.A.1803
- ISSN
- 0916-8508
- Abstract
- In order to execute coherent Doppler processing in a high range-rate scenario, whether it is for detection, estimation or imaging, range walk embedded in target return should be compensated first. In case of a bistatic radar geometry where a transmitter, a receiver and a target can be all moving, the extent of range walk depends on their relative positions and velocities. This paper presents a coherent Doppler processing algorithm to achieve target detection and Doppler frequency estimation of a target under a bistatic radar geometry. This algorithm is based on the assumption that a target has constant Doppler frequency during a coherent processing interval (CPI). Thus, we first show under what condition the assumption could be valid. We next develop an algorithm, along with its implementation procedures where the region of range walk, called a window, is manipulated. Finally, the performance of a proposed algorithm is examined through simulations.
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