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Wireless sensor platform for harsh environmentsReliable and efficient sensing becomes increasingly difficult in harsher environments. A sensing module for high-temperature conditions utilizes a digital, rather than analog, implementation on a wireless platform to achieve good quality data transmission. The module comprises a sensor, integrated circuit, and antenna. The integrated circuit includes an amplifier, A/D converter, decimation filter, and digital transmitter. To operate, an analog signal is received by the sensor, amplified by the amplifier, converted into a digital signal by the A/D converter, filtered by the decimation filter to address the quantization error, and output in digital format by the digital transmitter and antenna.
Document ID
20090043115
Acquisition Source
Glenn Research Center
Document Type
Other - Patent
Authors
Garverick, Steven L.
Yu, Xinyu
Toygur, Lemi
He, Yunli
Date Acquired
August 24, 2013
Publication Date
July 21, 2009
Subject Category
Communications And Radar
Report/Patent Number
Patent Number: US-Patent-7,562,581
Patent Application Number: US-Patent-Appl-SN-11/537,488
Funding Number(s)
CONTRACT_GRANT: NCC3-1086
CONTRACT_GRANT: NCA3-201
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
Patent
US-Patent-7,562,581
Patent Application
US-Patent-Appl-SN-11/537,488
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