In this paper , according as the technical parameters of autonomous power supply in full digital gun , the boost dc - dc converter and digital control of the full digital dc power supply is described , and the soft switching is also discussed . some key technology is mentioned , and a series of effective solutions are also gived 本論文針對數(shù)字化火炮自主供電系統(tǒng)的性能、特點,主要對其驅(qū)動直流電源進行了探索和研究,重點論述了升壓型直流?直流變換、數(shù)字化控制以及軟開關(guān)等關(guān)鍵技術(shù),給出了一系列有效的解決方案。