Synthetic Aperture Radar (SAR) Remote Sensing: Challenges and Future Direction

Dear Colleagues,

Synthetic aperture radar (SAR) is an active microwave imaging system that offers the advantage of being able to image in all weather and lighting conditions. SAR operates by transmitting a series of pulses and subsequently processing the received echoes to generate two-dimensional images for observing specific areas. And it plays a pivotal role in various domains, including Earth observation, environmental monitoring, disaster management, resource management, and national security. The rapid advancement in SAR technology is driven by multiple factors such as application needs, sensor design, signal processing algorithms, data analysis methods, and satellite platform technologies. Currently, SAR data acquisition methods are transitioning from single-band, single-polarization, and single-angle approaches to encompass multi-frequency, multi-polarization, multi-angle, and multi-temporal capabilities. This advancement is shaping a multi-dimensional signal processing system of SAR to meet the needs of high-resolution imaging, three-dimensional information acquisition, vegetation inversion, and other applications. Research focused on the signal processing and data processing technology of advanced SAR plays a pivotal role in promoting the development of the design and application of a new system.

The focus of this Special Issue lies in advanced SAR and signal processing technology, with the aim of fostering the development of novel radar signal processing and data processing techniques within a new paradigm. Specifically, it welcomes manuscripts that include, but are not limited to, the following topics:

• Advanced radar system technology;
• Ultra-high-resolution imaging technology;
• High-resolution wide-swath imaging technology;
• Interferometric synthetic aperture radar technology;
• Dual/multi-station technology;
• Intelligent radar and processing technology;
• Advanced radar application technology.

Prof. Dr. Qingjun Zhang
Guest Editor

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• synthetic aperture radar (SAR)
• radar system
• SAR signal processing