Modern Tendencies in the Development of Airborne Synthesized Aperture Radars for Remote Sensing of the Earth

Monostatic radar sensing of partially nonreciprocal mediums backscatter

“…Contact methods of earth surface and atmosphere monitoring are being actively supplemented by non-contact, remote methods. An ever-greater amount of information is supplied by lidar [1] and acoustic sensing [2], measurements in optical [3], terahertz and microwave ranges [4], radar evaluation of environmental parameters [5][6][7][8]. Information value of active monostatic radars in relation to radiophysical properties of the sounding medium is determined by their capabilities in evaluation of its backscattering matrix for each element of the sensor resolution.…”

Onboard equipment of L- and X-bands synthesized aperture radars for remote sensing of the Earth with higher resolution: requirements and implementation

“…The expansion of the frequency section of the X-band from 600 to 1200 MHz, reserved for aircraft remote sensing radar systems, gave a powerful impetus to the development of SAR operating in this frequency band, since the main trend in the development of such systems is to increase their informativiness, mainly determined by the its spatial resolution [1]. An example of such movement is the further development of the the concept of aviation SAR, developed in recent years in the Research Institute of Precision Instruments (NII TP, Moscow), which is today the main carrier of systems engineering competencies in technoolgy of RSA in Russia, and have them implemented in the experimental multi-band SAR "COMPACT" [2].…”