Moreover, with the consideration of DDC and DUG, orthogonal modulation and demodulation algorithms of AM, FM, FSK, BPSK, QPSK are explored and implemented based on traditional algorithms.

• 再次论文在总结了传统的调制解调基础上，结合软件无线电器件的特点，系统的探讨并实现了基于正交思想的AM、FM、ASK、FSK、BPSK、QPSK的正交调制解调算法。