China’s coastal security radar technology has evolved from importing and imitating to independent innovation. Key technologies such as high-frequency surface wave radar and phased array radar have significantly enhanced monitoring and anti-jamming capabilities, providing crucial support for safeguarding national maritime rights and coastal security.

As a critical equipment for safeguarding national maritime rights and interests, coastal security radar plays an increasingly vital role in the complex international environment. This article systematically analyzes its types, performance, and challenges, while also exploring future development trends with the deep integration of artificial intelligence. It aims to provide technical references for enhancing China’s coastal security capabilities.