求翻译：本文从提高电压利用率和电压、电流谐波分析等性能上将常规 SPWM、准优化SVPWM、单零矢量SVPWM、双零矢量SVPWM、最优零矢量SVPWM调制策略进行了比较研究，指出了它们之间的区别和联系。是什么意思？

Performance will improve the voltage utilization and voltage and current harmonic analysis the conventional spwm, prospective to to optimize svpwm, single-zero vector svpwm double zero vector svpwm optimal zero the vector svpwm modulation strategy, a comparative study that them the difference betwee

Increase the voltage from the voltage, current utilization and performance such as harmonic analysis, the conventional SPWM SVPWM optimization, zero, double zero vector SVPWM SVPWM vector, the optimal zero vector SVPWM modulation strategy through a comparative study, noted that the distinction betwe

This article from raised performance General and so on voltage use factor and voltage, current harmonics analysis conventional SPWM, optimizes SVPWM, single null vector SVPWM, double null vector SVPWM, the most superior null vector SVPWM modulation strategy has conducted the comparison research, has

This article improve the utilization ratio of voltage, current and voltage harmonic analysis on the performance of conventional SPWM and quasi-optimizing SVPWM vector SVPWM SVPWM vector, single zero and double zero, best zero compares SVPWM vector modulation strategy study, pointed out the differenc

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