期刊
SENSORS
卷 22, 期 9, 页码 -出版社
MDPI
DOI: 10.3390/s22093343
关键词
scanning radar; radar resolution; frequency coding; FMCW
资金
- Open Access Publication Funds of the Ruhr-Universitat Bochum
This contribution presents a single-channel radar method that utilizes frequency-coded sub-channels to achieve cross-range resolution. By using sub-channel coding, the entire area of interest can be scanned within a single radar measurement. In order to enhance the cross-range resolution, the antenna beams of the sub-channels are overlaid, resulting in multiple coding signatures. Hardware components and signal processing methods are discussed in detail. A measurement campaign confirms the high detection properties and applicability of the proposed radar method.
This contribution handles a single-channel radar method that utilizes frequency-coded sub-channels for enabling cross-range resolution. Because of the sub-channel coding, the whole area of interest (AOI) is scanned within a single radar measurement. To further enhance the cross-range resolution, the sub-channels' antenna beams are overlaid in this work, resulting in multiple coding signatures. Next to the operation theory, hardware components, such as coding filters and antennas, as well as signal processing methods, are presented and discussed in detail. A final measurement campaign that investigates several radar scenarios reveals high detection properties and proves the applicability of the proposed radar method.
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