second harmonics restraint 二次谐波制动
second-harmonics 二次谐波
the second harmonics 二阶谐波项
enhancement of the second harmonics 增强二次谐波信噪比
Focus on the causes, hazards, and suppression method of second harmonic interference of Z source inverter bus voltage.
重点分析了Z源型逆变器的母线电压的二次谐波干扰问题的产生原因、危害以及抑制方法。
参考来源 - 基于Z拓扑的光伏并网逆变器研究Signal to noise ratio (SNR) is improved by using wavelength modulation and second harmonic detection.
同时结合波长调制和锁相放大器的二次谐波探测技术,提高了系统的信噪比,得到了较高的检测极限灵敏度。
参考来源 - 基于光纤激光器和光纤放大器的光声光谱仪·2,447,543篇论文数据，部分数据来源于NoteExpress
This "second" article refers to the inheriting section of the "first" one, it firstly introduces six kinds of active measures to reduce harmonics pollution;
本文“二谈”系“一谈”的继篇，首先介绍了减小谐波污染的六类主动措施；
The key point of structure design and accuracy analysis in precision mount which is needed in the procession to obtain second and third harmonics generation is introduced.
介绍了实现倍频和混频过程所需的精密调整架的结构设计要点及其精度分析。
Approximate analytic expressions of the second, fourth, and sixth harmonics on the strength are presented in concise forms.
得到了二、四、六次谐波幅度与吸收强度的关系的近似解析表达式。
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