本文报道了一个X波段18腔衍射输出相对论磁控管的初步模拟研究结果。利用高频场分析软件和粒子模拟软件,通过分析和优化器件的结构参数,合理选取电磁场取值大小,最终得到:在二极管电压350 k V,外加磁场0.41T条件下,可以得到输出功率1.09...本文报道了一个X波段18腔衍射输出相对论磁控管的初步模拟研究结果。利用高频场分析软件和粒子模拟软件,通过分析和优化器件的结构参数,合理选取电磁场取值大小,最终得到:在二极管电压350 k V,外加磁场0.41T条件下,可以得到输出功率1.09 GW、功率转换效率为22%、频率9.59GHz的微波。展开更多
As for single mode symmetric step refractive index structure dielectric planar optical waveguide, when its output end is restricted, the diffractive field distribution is derived. It can be expressed as the convolutio...As for single mode symmetric step refractive index structure dielectric planar optical waveguide, when its output end is restricted, the diffractive field distribution is derived. It can be expressed as the convolution between the Dirac function and the Sinc and Lorenz functions. It is helpful to deepen the recognition of the restricted diffraction. The characteristic of the diffractive field is discussed. The variational curve of the full angle width at half maximum intensity of central bright fringe versus the half width of slit is presented by numerical calculation, and the fitting curve with the exponential function is close to it.展开更多
文摘本文报道了一个X波段18腔衍射输出相对论磁控管的初步模拟研究结果。利用高频场分析软件和粒子模拟软件,通过分析和优化器件的结构参数,合理选取电磁场取值大小,最终得到:在二极管电压350 k V,外加磁场0.41T条件下,可以得到输出功率1.09 GW、功率转换效率为22%、频率9.59GHz的微波。
基金Natural Science Foundation of Fujian Province(A0540001)The Program of the Science and Technology Depart ment of Fujian Province(K04022)
文摘As for single mode symmetric step refractive index structure dielectric planar optical waveguide, when its output end is restricted, the diffractive field distribution is derived. It can be expressed as the convolution between the Dirac function and the Sinc and Lorenz functions. It is helpful to deepen the recognition of the restricted diffraction. The characteristic of the diffractive field is discussed. The variational curve of the full angle width at half maximum intensity of central bright fringe versus the half width of slit is presented by numerical calculation, and the fitting curve with the exponential function is close to it.
