Conceptual design of a spaceborne radar for rain and cloud sensing

Eastwood Im

doi:10.1117/12.137943

1 August 1992 Conceptual design of a spaceborne radar for rain and cloud sensing

Eastwood Im

Proceedings Volume 1688, Atmospheric Propagation and Remote Sensing; (1992) https://doi.org/10.1117/12.137943
Event: Aerospace Sensing, 1992, Orlando, FL, United States

Abstract

A conceptual design for a mid-latitude orbiting precipitation and cloud mapping radar is discussed. In this conceptual design the radar utilizes a narrow, dual-frequency beam, electronically scanned antenna to achieve 4-km spatial resolution and 300-km cross-track swath. Vertical resolution of 500 m is achieved by short-pulse transmission. It is expected that such system can measure rain rates up to 100 mm/hr for precipitation at the cloud base, surface precipitation up to 20 mm/hr, and cloud reflectivities as low as -39 dBz. By averaging over 100 independent samples, signal reflectivities can be estimated to better than 20 percent. Other rain and cloud characteristics, such as height, thickness, and cell size, can also be extracted from the data.

Citation Download Citation

Eastwood Im "Conceptual design of a spaceborne radar for rain and cloud sensing", Proc. SPIE 1688, Atmospheric Propagation and Remote Sensing, (1 August 1992); https://doi.org/10.1117/12.137943

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