signals Directory Reference

Files
	electric.h
	electric specific classes current/voltage/power that inherit from signals class while adding thier specific properties
	operational_blocks.h
	signal.cpp
	signal.h
	this file includes the base class "signal" for signals modeling and analysing thier time-domain / frequency-domain properties
	signal_operation.cpp
	signal_operation.h
	this file includes the basic signal_operation class responsible for doing any required manipulation or state-altering functions to signals