Pattern detection , signal identification

Hi all. i need to distinguish 4 different signals among a set of 10 signals samples . Actually I have 10 independent components with their associated coefficients ( results from independent Component Analysis) , and what I need to do is to separate and identify 4 signals among the set of 10.

The procedure needs to be completely automatic. Attached you can find a sample of the expected shape of the signal (one of the 4 ) Can anyone tell me which is the most efficient and robust procedure to do that analysis? Thank you in advance

[Rahul J Hirur]

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