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Earth Science Technology Office

High Efficiency, Digitally Calibrated TR Modules Enabling Lightweight SweepSAR Architectures for DESDynI-Class Radar Instruments

Completed Technology Project

Project Introduction

Develop and demonstrate a next-generation digitally calibrated, highly scalable, L-band Transmit/Receive (TR) module to enable a precision beamforming SweepSAR architecture for interferometric radar applications and phase-stable electronically steered arrays.
0.01 dB amplitude, 0.06 degrees phase.
Develop technologies to enable real-time on-board beamforming capability for use in phase-stable array antennas:
High efficiency L-band TR module.
Closed-loop transmit and receive calibration circuitry.
On-board real-time digital calibration and beamforming.

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