Jingchang Nan, Xinyuan Cao, Mingming Gao, Peihong Zhang. Improved Fruit Fly Algorithm to Optimize Generalized Regression Neural Network of Double Notch Ultra-Wideband Antenna Modeling[J]. Laser & Optoelectronics Progress, 2021, 58(4): 0420001
- Laser & Optoelectronics Progress
- Vol. 58, Issue 4, 0420001 (2021)
Fig. 1. Structure diagram of generalized regression neural network
Fig. 2. Structure diagram of dual notch UWB antenna
Fig. 3. HFSS simulation results of dual notch UWB antenna. (a) S11 characteristic curve; (b) VVSWR characteristic curve
Fig. 4. Flow chart of improved FOA-GRNN double notch UWB antenna modeling
Fig. 5. Optimization process of FOA algorithm
Fig. 6. Optimization process of improved FOA algorithm
Fig. 7. Fitting situation of S11 corresponding to output frequency f of three modeling methods with actual output of HFSS simulation
Fig. 8. Fitting situation of VVSWR corresponding to output frequency f of three modeling methods with actual output of HFSS simulation
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Table 1. Partial prediction results of antenna S11 parameters by three modeling methods and relative prediction errors
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Table 2. Partial prediction results of antenna VVSWR parameters by three modeling methods and relative prediction errors
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