机载信号情报系统在现代战争中扮演着一个非常重要的角色：它能利用最先进的电子、光学设备来收集、分析敌方的各种武器、设备的战略、技术和经济情报，为决策者提供重要的决策依据。文章着重介绍世界各国现役机载信号情报系统的研制开发和改进情况，并对未来信号情报系统的发展提出了一些初浅看法。 Airborne Signaling Systems play an important role in modern warfare by utilizing state-of-the-art electronic and optical equipment to collect, analyze strategic, technical and economic intelligence on enemy weapons and equipment, Provide an important basis for decision-making. This article focuses on the research, development and improvement of on-air signaling intelligence systems in active service of all countries in the world and presents some preliminary ideas for the future development of signal intelligence systems.