The modified traveling wave monopole model is employed in simulating the electron beam in CRT of computer VDU. Meanwhile acceleration fields of the electron beam are studied in details and its expression given for the first time with measured results.

• 采用经修正的行波单极子模型模拟计算机阴极射线管显示器电子束，并详细研究了电子束的加速场，首次给出了其计算公式和实验测试结果；