This article systematically explores the evolution of radar technology from its military origins to its applications in maritime security, with a focus on analyzing the technological breakthroughs of phased array radar and its innovative uses in fields such as maritime management and fisheries protection. It highlights the transformative value of technological integration across multiple domains.

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.

The new-generation perimeter security system integrates radar and optical fiber sensing technologies to deliver all-weather active protection. It supports precise monitoring, intelligent tracking, and multiple alarm functions, significantly enhancing security capabilities and response efficiency.

This article systematically elaborates on the structural composition and functional characteristics of border and coastal defense radar, with a focus on analyzing its multiple technical advantages in security applications. These include wide-area surveillance, multi-target tracking, high-precision detection, and user-friendly operation, making it suitable for all-weather intelligent protection of borders, airports, and critical infrastructure.

The S, C, and X-band phased array weather radar developed by China Electronics Technology Group Corporation enables efficient monitoring of severe weather events such as storms and heavy rainfall, significantly enhancing early warning capabilities. This technology is also applied in civil aviation for low-altitude wind shear detection, greatly improving scanning speed and resolution, thereby strongly ensuring aviation and meteorological safety.

This article provides an overview of the definition and classification of civil radar, as well as its applications in fields such as meteorology, aviation, and transportation. It analyzes the global and Chinese market scales, technological trends, and key enterprises, highlighting the industry’s high added value, high efficiency, and development prospects.