Development of a Satellite Communication Emulator for the Hyperspectral Microwave Atmosphere Sounder (HYMAS)

Development of a Satellite Communication Emulator for the Hyperspectral Microwave Atmosphere Sounder (HYMAS)

Giti Javidi (College of Engineering and Technology, Virginia State University, Petersburg, VA, USA), Ehsan Sheybani (College of Engineering and Technology, Virginia State University, Petersburg, VA, USA) and Janelle Williams (College of Engineering and Technology, Virginia State University, Petersburg, VA, USA)
DOI: 10.4018/IJITN.2015040105
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Abstract

Major weather facilities around the world recognize microwave atmospheric sounding is the key to developing technology for forthcoming weather and climate missions. The mission for Hyperspectral Microwave Atmospheric Sounder (HyMAS) Emulator is to produce a model for demonstrating the hyperspectral techniques that retrieve data near 118 and 183 GHz through a 52 channel Intermediate Frequency processor. This project establishes a test bed that mimics the functionality of the instrument such as how data is retrieved and processed through computers in the instrument. The computers are programmed using a new framework application called Interoperable Remote Component. This software allows flexibility to program computers on how to communicate with each other, what devices to connect to and other factors.
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Background

HyMAS Instrument

NASA Goddard Flight Space Center (GSFC) has built the CoSMIR instrument aircraft to test the technology of microwave image sounding using a radiometer for validating and calibrating only a limited amount of high frequency channels. Their new work, Hyperspectral Microwave Atmospheric Sounder (HyMAS), will demonstrate microwave receiver subsystem performance equipped with 52 channels operating near 118 and 183 GHz enabled by a compact Intermediate Frequency (IF) processor module. This new IF Processor technology contains multiple channel bandwidths that are fairly broad, eliminating high-rate analog to digital (A/D) conversions and high processing requirements. HyMAS offers temperature and humidity sounding improvements with insensitivity to clouds. The hyperspectral microwave process is accomplished by using Radio Frequency (RF) antenna/receiver arrays that sample the same area and volume of the Earth’s surface and atmosphere at several different frequencies.

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