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Within the synthetic aperture radar (SAR) family, the W-band (75GHz-110GHz) stands out as a "detail hunter" in the field of precise perception due to its unique high-frequency advantages. Compared to traditional band SAR, the W-band achieves ultra-high imaging accuracy at the 0.1-meter level thanks to its extremely short wavelength, while also possessing lightweight characteristics, making it particularly suitable for airborne platform applications. This has opened up broad application prospects in both military and civilian fields, becoming an important support for technology to empower security and development.

Synthetic Aperture Radar (SAR) holds an irreplaceable position in the field of moving target detection due to its unique advantages of all-weather, all-day, and penetrating imaging. From vehicle and ship tracking in military reconnaissance to traffic flow control and disaster emergency response in civilian fields, SAR moving target detection technology has always been a core support for improving perception capabilities. Unlike static target detection, moving targets produce unique Doppler frequency shifts and positional offsets in SAR imaging, which constitute the core basis for detection but also bring many technical challenges.

By leveraging flexible platforms such as drones, high-resolution radar data can be acquired 24/7 under all weather conditions, providing a complete remote sensing data solution from acquisition and processing to analysis and application. Its core value lies in breaking the deployment limitations of traditional large-scale SAR systems, extending high-resolution radar remote sensing capabilities to small-scale civilian applications, and providing efficient and accurate spatial information support for various industries.

On the vast ocean, swells, as long-distance propagating wave phenomena, not only affect maritime navigation safety and port facility construction, but are also closely related to the global ocean energy cycle. How to accurately capture these movement trajectories hidden beneath the sea surface? L-band synthetic aperture radar (SAR) is becoming a "space-based eye" for monitoring ocean swells, thanks to its unique advantages.

Tianjing Yunhu: Technology Empowers a Magnificent Chapter, Steadfast Journey Embarks on a New Journey

In a dangerous section of the middle reaches of the Yangtze River, night fell over the surging waters, and continuous torrential rain rendered traditional optical monitoring methods nearly ineffective. At this critical moment, several drones equipped with synthetic aperture radar (SAR) silently took off, piercing the thick rain curtain to perform millimeter-level precision "scans" of the riverbanks stretching dozens of kilometers below. Hours later, a precise deformation analysis report was delivered to the flood control headquarters, clearly identifying two potential seepage points. The emergency response team then deployed precisely, averting a possible dike breach. This is not science fiction, but a revolutionary change brought about by the integration of low-altitude economics and advanced remote sensing technology to the ancient field of riverbank monitoring.