短波发射机的脉阶调制器设计与改进_电子资料文库 关键词:脉冲阶跃调制;脉宽调制;等效面积法 [gap=871]Key words: Pulse step modulation;Pulse width modulation;Eequivalent area
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temperature equivalent principle 时温等效原理 Area Equivalent Principle 等效面积法 time-temperature equivalent principle 温等效原理 ..
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直接面积等效法 directly area equivalent algorithmic
采用等效面积法产生的SPWM 波形具有精度高、输出波形谐波小，对称性好等优点。
They also show that the SPWM waves generated by equiarea algorithm have advantages of high precision, small harmonic value of output waves and good symmetry.
介绍了一种基于面积等效原理，采用查表法产生正弦脉宽调制(SPWM)波的方法。
Introduction was made to the method of sine pulse width modulation (SPWM) wave generated by table searching, which is based on area equivalence principle.
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