Then, the paper introduces the math module and achieving method of software modulation and demodulation of common digital modulating signals used in telecontrol & telemetry system 接著介紹了遙控遙測常用的數(shù)字調(diào)制信號的軟件調(diào)制解調(diào)的數(shù)學(xué)模型和實現(xiàn)方法。