This paper discusses the concept and instrumentation principle of Same Beam Interferometry (SBI) technology for deep space spacecraft by American Deep Space Network(DSN), and describes the application and development of this technology.

• 讨论了美国NASA深空网(DSN)对深空飞船所采用的同波束干涉(SBI)技术概念和测量原理,并介绍了这一技术的应用和发展情况。