摘要
Abstract
This paper takes the budget of the U.S.Defense Advanced Research Projects Agency(DARPA)in the field of nuclear technology from fiscal year 2014 to 2025 as the core data,aiming to reveal its strategic layout and technological development trends of nuclear technology,and provide references for China's nuclear technology development.Using a tripartite screening framework-budget intensity threshold,strategic goal alignment,and technological disruptive potential-and combining U.S.national security strategy documents and technical achievements,the study systematically analyzes the funding directions,budget allocation,and project cycle characteristics of DARPA's nuclear technology.The results show that DARPA has identified four core areas,Nuclear Thermal Propulsion(NTP),radioisotope energy,neutron source detection,and nuclear threat response.It has built a two-way system of"budget-driven strategy and technology-enabled scenarios"through the combination of"long-term high-investment projects and short-term verification projects".Its technological path features"full-chain coverage",and future development will focus on the deep-space practical application of NTP,while facing challenges such as nuclear fuel safety.For China,it is necessary to build an integrated development paradigm of"strategy-innovation-system",strengthen civil-military collaboration and a global nuclear security barrier,and proactively deploy the commanding heights of deep-space nuclear technology competition.关键词
美国/DARPA/核科技/战略布局/预算分析/国家安全Key words
the United States/DARPA/nuclear technology/strategic layout/budget analysis/national security分类
社会科学
