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| Citation: | SHI Longfei, QUAN Yuan, FAN Jintao, et al. Communicational radar detection technology[J]. Journal of Radars, 2020, 9(6): 1056–1063. doi: 10.12000/JR20088
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Abstract
With the emergence of stealth and jamming technology, traditional radar systems are facing great challenges in terms of innovation, number, and energy. It is necessary to develop novel detection systems, explore the initiative of cooperative detection, and utilize the dimensions of information to adapt to new air defense operations in the future. In this study, a new radar system, communicational radar, is proposed. The radar detection ability under the conditions of long-range and strong confrontation can be significantly improved by embedding synchronization information such as the transmitter position, the antenna direction, and the launch time of the emission into the waveform; the embedded information can then be extracted for target detection, reorganization, interference suppression, and multi-target identification. The proposed system is illustrated from the aspects of architecture, detection principle, and performance analysis. -
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References
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- Figure 1. System structure of communicational radar
- Figure 2. Definitions expansion of transmitter, target and receiver
- Figure 3. Signal processing procedure
- Figure 4. Schematic diagram of inner and outer layer compound modulation waveform and the embedded information
- Figure 5. Location method of communicational radar
- Figure 6. Comparison of location performance
- Figure 7. Influence of baseline length on GDOP
- Figure 8. Influence of transmitting time information precision on GDOP
- Figure 9. Influence of site measurement error on GDOP