The method 1, wherein {HEAD ~ the step} of adding the second analog sub signal to the analog input signal comprises {TAIL ~ a step} of adding the second analog sub signal having the polarity and an amplitude that are based on amplifications of the first and second analog sub signals 
comprises
The method 1 , wherein { HEAD ~ the step } of adding the second analog sub signal to the analog input signal comprises { TAIL ~ a step } of adding the second analog sub signal having the polarity and an amplitude that are based on amplifications of the first and second analog sub signals
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH