VLF noise in TEM data

MSK signals

Framework overview

Repairsignal

Lowpassfilter

Down-converter

Up-converter

Restoreoriginal

parameters

+-

Parameterest. and

correction

Repairsignal

Lowpassfilter

Down-converter

Decoder

Up-converter

Restoreoriginal

parameters

Encoder

+-

Bit sequence estimate

Noisy TEM data with MSK interference

Complex BB signals

Isolated MSKBB signals

Corrected MSKBB signal

Synthetic MSKBB signals

Synthetic BBsignals withparameterdeviations

Repaired samples

EstimatedMSK

interference

Output

Pow

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0 fcFreq.

0 Freq.

Pow

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Pow

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0 fcFreq.

0 Freq.

Pow

er

...0100110100110...

0 Tsym1 2 0 Tsym1 2

Signalcombiner

Signalsplitter

Data collection

ResultsPSD

ResultsStack and gated