Xinyue Niu, Yanran Gu, Xu Chu, Jinmei Yao, Muyu Yi, Langning Wang, Tao Xun. Primary study on time control technology of active phased array based on photoconductive microwave source[J]. High Power Laser and Particle Beams, 2024, 36(1): 013005
- High Power Laser and Particle Beams
- Vol. 36, Issue 1, 013005 (2024)
Fig. 1. Scheme of the optically controlled phased array system based on linear SiC devices, including thephotoelectric conversion components and the burst-mode operation pulse laser
Fig. 2. Scheme of the optically controlled phased array system in the future, where the optical signal is delayed first and then amplified
Fig. 3. Optical time delay architecture
Fig. 4. Theoretical model of phased array antenna
Fig. 5. Analysis results of OTTD phased array considering time delay step
Fig. 6. Analysis results of OTTD phased array considering time delay error
Fig. 7. Increment of beam sidelobe power, average beam squint and reduction of beam peak power against phase standard deviation in the simulation result in CST
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Table 1. Delay variance when the loss is less than 10% for a 1×n array antenna
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Table 2. Delay variance when the loss is less than 10% for a m ×n array antenna
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Table 3. Influence of phase variance on the key indicators of phased array
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