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Synthetic Aperture Radar (SAR, iSAR)

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SkyRadar's SAR system builds on the FMCW base module. Set on a linear high-precision conveyor, driven by a servo motor and controlled with an industrial drive system, it produces a variable number of radar images which are aggregated in a time-multiplex approach. 

 

General Features

SkyRadar FMCW SAR Hardware Features

Synthetic Aperture Radar (SAR) hardware setup, with servo controlled movement of the antenna on a linear rail.

  • Synthetic Aperture Radar (SAR) hardware setup, with step-motor driven the radar (FMCW) on a  linear rail (length on demand).
  • Phased-Array through a 2-segment patch antenna Default operation in at 24 GHz.

SkyRadar FMCW SAR Software Features

  • Wireless communication between Radar element and computers or CloudServer.
  • A –Scope, B-Scope with time-scale on the x-axis.
  • Very high resolution of the radar image through synthetic aperture image generation.

Step Motor

 A high precision brushless DC servo motor with integrated controller (stepper) actuates the linear drive.

high precision brushless DC servo motor with integrated controller (stepper)

Operating Voltage 12 V DC - 48 V DC
Peak Current (RMS) 6.3 A
Type Digital Inputs 24V, 5/24 V switchable
Type Analog Input 0-10 V
Type Digital Output Open-Drain (30 V max.)
Interface USB
Digital Outputs 1

 Table : Operative characteristics of the servo motor 

 

Linear Conveyor

The linear conveyor creates the defined and highly precise displacement, allowing the radar to shoot shifted images that will be aggregated into one high resolution images in a subsequent time-multiplex principle.

SAR-linear-cylinder

 

    Dimensions                   on project demand. Standard length: 1800 mm

 Table : Operative characteristics of the linear conveyor