id	keyword
american_scientific_journal-5174	signal
american_scientific_journal-5174	system
american_scientific_journal-5174	resonance
american_scientific_journal-5174	stochastic
american_scientific_journal-5174	noise
american_scientific_journal-5174	model
american_scientific_journal-5174	error
american_scientific_journal-5174	output
american_scientific_journal-5174	rate