use of multithreshold decoders in earth remote sensing systems
DESCRIPTION
USE OF MULTITHRESHOLD DECODERS IN EARTH REMOTE SENSING SYSTEMS. Ovechkin G.V., Ovechkin P.V. The Ryazan state radio engineering university. The specialized site of SRI RSA on multithreshold decoders : www.mtdbest.iki.rssi.ru. Earth remote sensing. - PowerPoint PPT PresentationTRANSCRIPT
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USE OF MULTITHRESHOLD DECODERS IN EARTH REMOTE SENSING SYSTEMS
The Ryazan state radio engineering universityThe Ryazan state radio engineering university
OvechkinOvechkin G.V.,G.V., OvechkinOvechkin P.V.P.V.
The specialized site of SRI RSA on multithreshold decodersThe specialized site of SRI RSA on multithreshold decoders:: www.mtdbest.iki.rssi.ruwww.mtdbest.iki.rssi.ru
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Earth remote sensingEarth remote sensing
The specialized site of SRI RSA on multithreshold decodersThe specialized site of SRI RSA on multithreshold decoders::www.mtdbest.iki.rssi.ruwww.mtdbest.iki.rssi.ru
Earth remote sensing (ERS) is used for observing Earth remote sensing (ERS) is used for observing the Earth’s surface by the aviation and space the Earth’s surface by the aviation and space
systemssystems
CartographyCartographyCity planningCity planningNatural resourcesNatural resourcesAgricultureAgricultureForestryForestryEcologyEcologyTransportTransportCommunicationCommunication
ERS data can be used for the decision of tasks in various ERS data can be used for the decision of tasks in various areas:areas:
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The equipment of reception-transmission The equipment of reception-transmission data in ERS systemsdata in ERS systems
The specialized site of SRI RSA on multithreshold decodersThe specialized site of SRI RSA on multithreshold decoders:: www.mtdbest.iki.rssi.ruwww.mtdbest.iki.rssi.ru
Requirements to the equipment of reception-transmission Requirements to the equipment of reception-transmission data in ERS systemsdata in ERS systems::
High transferring speed of transferHigh transferring speed of transferEffective error correction algorithmsEffective error correction algorithms
Noise
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Multithreshold decodersMultithreshold decoders
The specialized site of SRI RSA on multithreshold decodersThe specialized site of SRI RSA on multithreshold decoders:: www.mtdbest.iki.rssi.ruwww.mtdbest.iki.rssi.ru
Simplicity of practical realization Simplicity of practical realization ((Low costLow cost, , High reliabilityHigh reliability, , high-high-speed performancespeed performance););Effective error correction algorithm;Effective error correction algorithm;Decoding complexityDecoding complexity O(n);O(n);Decoding speed up to several Gbit/sDecoding speed up to several Gbit/sCoding gain - Coding gain - 7-8 7-8 dBdB
The multithreshold decoder is the majority decoderThe multithreshold decoder is the majority decoder
The basic advantages of multithreshold decodersThe basic advantages of multithreshold decoders
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A scheme of the A scheme of the multithreshold decodermultithreshold decoder
The specialized site of SRI RSA on multithreshold decodersThe specialized site of SRI RSA on multithreshold decoders:: www.mtdbest.iki.rssi.ruwww.mtdbest.iki.rssi.ru
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Performance of multithreshold decoderPerformance of multithreshold decoder
The specialized site of SRI RSA on multithreshold decodersThe specialized site of SRI RSA on multithreshold decoders:: www.mtdbest.iki.rssi.ruwww.mtdbest.iki.rssi.ru
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The scheme of non-binary multithreshold The scheme of non-binary multithreshold decoderdecoder
The specialized site of SRI RSA on multithreshold decodersThe specialized site of SRI RSA on multithreshold decoders:: www.mtdbest.iki.rssi.ruwww.mtdbest.iki.rssi.ru
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Performance of non-binary multithreshold Performance of non-binary multithreshold decoderdecoder with RR=1/2=1/2
The specialized site of SRI RSA on multithreshold decodersThe specialized site of SRI RSA on multithreshold decoders:: www.mtdbest.iki.rssi.ruwww.mtdbest.iki.rssi.ru
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Performance of non-binary multithreshold Performance of non-binary multithreshold decoderdecoder with RR=19/20=19/20
The specialized site of SRI RSA on multithreshold decodersThe specialized site of SRI RSA on multithreshold decoders:: www.mtdbest.iki.rssi.ruwww.mtdbest.iki.rssi.ru
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The cascade coding scheme consisting from non-The cascade coding scheme consisting from non-binary MTD and Hamming code decoderbinary MTD and Hamming code decoder
The specialized site of SRI RSA on multithreshold decodersThe specialized site of SRI RSA on multithreshold decoders:: www.mtdbest.iki.rssi.ruwww.mtdbest.iki.rssi.ru
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Performance of the cascade coding scheme Performance of the cascade coding scheme consisting from non-binary MTD and Hamming code consisting from non-binary MTD and Hamming code
decoderdecoder
The specialized site of SRI RSA on multithreshold decodersThe specialized site of SRI RSA on multithreshold decoders:: www.mtdbest.iki.rssi.ruwww.mtdbest.iki.rssi.ru
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Thanks for attentionThanks for attention
Big volume scientific and teaching materials on multithreshold Big volume scientific and teaching materials on multithreshold decoders can be found on the specialized site of SRI RSAdecoders can be found on the specialized site of SRI RSA: :
www.mtdbest.iki.rssi.ruwww.mtdbest.iki.rssi.ru