... 非调谐性 aperiodicity 非调制方式 non-modulation system 非对称（特性电路）元件 asymmetric element ...
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分析了传统的PWM_ON调制方式对无刷直流电动机在非换相期间由于截止相的反并联二极管续流而导致转矩脉动的原因。
The torque ripple caused by diode freewheeling of the inactive phase during non-commutation state of PM brushless DC motor(BLDCM)when using the PWM_ON type of pulse width modulation was analyzed.
梁德群教授提出了非正交多重调制技术（NMT），是一种多载波调制方式，它突破了正交性限制。
Professor Liang Dequn invented non-orthogonal multi-modulation technique (NMT), which is a multi-carrier modulation; it breaks through the orthogonal limitation.
这种非连续的功率分配方案，在功率分配的同时自适应确定了调制方式。
The discontinuous power allocation scheme determines the allocated power and modulation constellation on each subchannel simultaneously.
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