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利用EGUN软件设计了一把导流系数为0.07μP的Ka波段空间行波管双阳极电子枪。该枪为皮尔斯型电子枪,双阳极分别为控制阳极(2.58 kV)和离子拒止阳极(9 kV)。该设计应用综合迭代法的计算结果进行初步设计,通过调整设计第一阳极,建立考虑导流系数、注腰半径和层流性的电子注性能优化目标函数,应用量子粒子群算法结合MATLAB与EGUN软件对电子枪阳极头位置进行了优化,优化结果满足了空间行波管对电子注的注腰半径和层流性的设计要求。
Using EGUN software, a dual-anode electron gun of Ka-band space wave tube was designed with a conductivity coefficient of 0.07μP. The gun is a Pierce-type electron gun with dual anodes as control anode (2.58 kV) and ion rejection anodes (9 kV). Based on the calculation results of the integrated iterative method, the design of the first anode was established. The objective function of electron injection performance was established considering the diversion coefficient, waist radius and laminar flow. The quantum particle swarm optimization algorithm was used in combination with MATLAB and EGUN The software optimizes the position of the anode of the electron gun, and the optimization result meets the design requirements of the space-traveling wave tube for the waist radius and laminar flow of the electron injection.