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Center Independent Research & Development: GSFC IRAD

Frequency Diversity Technique for Space-borne Radar Doppler Measurements

Completed Technology Project

Project Introduction

Frequency Diversity Technique for Space-borne Radar Doppler Measurements

Doppler velocity measurement has been challenging for radars onboard fast moving platforms (such as spacecrafts) or radars with rapid scanning antennas due to the spacecraft ground speed or antenna motion. This proposed effort will focus on the development of a unique frequency diversity technique for extending the Doppler Nyquist range of remote sensing radars. Technology advance from this task has the potential to enable new science capability of Doppler radars.

Doppler measurements from a rapid moving platform, such as spacecraft, or radars using fast scanning antennas have been especially challenging due to spectrum broadening and rapid decorrelation between successive pulses.

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