变送器触发源电路保证产生的脉冲串具有改善的波形，单稳态电路实现输出波形的稳定。
Pulse train produced by clock circuit of the transducer has improved waveform and output waveform is stable implemented by mono-stability circuit.
根据SPWM的基本原理与付立叶级数理论，建立了SPWM电压型逆变器输出波形的数学模型。
Based on SPWM basic principle and Fourier series theory, the mathematical model of output waveform of SPWM voltage source inverter is built.
编码式传感器应用于精密测量时，由于旋转轴的晃动可能引起传感器输出波形的抖动，从而导致计数错误。
When using encoder sensor in precise measurement, the shaking of rotation axis can cause change of output waveform of sensor and wrong count.
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