m ary modulation 多元调制
M-ary quadrature amplitude modulation 制正交幅度调制 ; 正交幅度调制 ; 元正交幅度调制 ; 阶正交幅度调制
M-ary Pulse Amplitude Modulation M进制脉冲幅度调制
m-ary digital modulation 多进制数字调制
m-ary digital modulation signals 多进制数字调制
m-ary digital modulation technique 多元制数字调制枝未
In practice, communication is usually working under band limited channels, so it is very important to investigate the performance of m-ary modulation and its decoding.
在实际应用中,通信在很多情况下必须在频带受限的信道下进行,所以对多进制调制和译码的研究就变得非常重要。
参考来源 - LDPC码的编码调制研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The performances of different coded M-ary orthogonal modulation are simulated and evaluated on the basis of the soft bits output of M-ary orthogonal modulation.
基于M进制正交调制的软比特输出特性，对不同编码条件下的M进制正交调制性能进行了仿真评估。
From this point, M-ary Quadrature Amplitude modulation (MQAM), MultiCarrier modulation (MCM) and adaptive modulation techniques are good candidates in next generation mobile radio system.
从这一点出发，多元正交幅度调制(MQAM)、多载波调制(MCM)及自适应调制技术成为下一代移动无线系统中最有竞争力的几种候选技术。
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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