modem modulation and demodulation 调制解调器
MODEM Modulation &Demodulation 调变解调器
Modulation and demodulation modem 调制解调器
quadrature amplitude modulation modem 正交调幅调制解调器
adaptive delta modulation voice modem 自适应增量调制话音调制解调器
Modem signals will be transferred through the VHF communications system has a second modulation, through VHF communication system access to data communications.
调制解调器的已调信号通过VHF通信系统进行二次调制，通过VHF通信系统的信道实现数据通信。
Paper focuses on the use of all-digital technology design GMSK modem for a more extensive use of GMSK modulation and demodulation technology.
论文重点研究利用全数字化技术设计gmsk调制解调器，以便更广泛地使用gmsk调制解调技术。
An underwater acoustic modem system is built by employing DSP Software based on M-ary frequency-shift-key (MFSK) modulation and non-coherent detection.
采用DSP软件方法，研制了一套基于MFSK调制和非相干能量检测的水声调制解调系统。
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