Measurement of Nonlinear RCS of Electronic Targets for Nonlinear Detectionopen accessMeasurement of Nonlinear RCS of Electronic Targets for Nonlinear Detection
- Other Titles
- Measurement of Nonlinear RCS of Electronic Targets for Nonlinear Detection
- Authors
- 오수영; 차규호; 홍하영; 박홍수; 홍순기
- Issue Date
- Jul-2022
- Publisher
- 한국전자파학회
- Keywords
- Harmonic Radar; Intermodulation; Nonlinear Detection; Nonlinear RCS.
- Citation
- Journal of Electromagnetic Engineering and Science, v.22, no.4, pp.447 - 451
- Journal Title
- Journal of Electromagnetic Engineering and Science
- Volume
- 22
- Number
- 4
- Start Page
- 447
- End Page
- 451
- URI
- http://scholarworks.bwise.kr/ssu/handle/2018.sw.ssu/42732
- DOI
- 10.26866/jees.2022.4.r.108
- ISSN
- 2671-7255
- Abstract
- The conventional radar technology is based on linear detection—i.e., the same transmit and receive frequencies are used. However, with linear radars, difficulties arise when detecting electronic objects with relatively small radar cross section (RCS). To overcome these limitations, a nonlinear radar that can detect nonlinear responses (i.e., harmonic and intermodulation) scattered by electronic devices due to nonlinear interaction can be utilized. Nonlinear radars require a different analysis from linear radars for analyzing RCS. In this paper, we present an experimental analysis of the nonlinear RCS of various electronic devices. Unlike linear radars, RCS in nonlinear radars is determined by the amount of nonlinear responses backscattered to the radar. Therefore, we derive a radar equation accustomed to harmonic radars that consists of nonlinear RCS. We then obtain and analyze the nonlinear RCS of various targets from the measured harmonic responses of the targets based on the nonlinear radar equation.
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