1) zero-crossing derivative ratio method
过零导数比法
1.
On the basis of modeling and analysis of the voltage and current signal in resistance welding transformer circuit,a current zero-crossing derivative ratio method was proposed to calculate the dynamic power factor online.
基于对交流电阻焊焊接变压器初级回路电压、电流信号的建模分析,提出电流过零导数比法测量电阻焊动态功率因数。
2) crossing zero comparison algorithm
过零比较法
3) over zero frequency percentagerγ0
过零频数比γ0
1.
The analysis theoretically presents a very fast and effective way to predict cutting charter parameter-over zero frequency percentagerγ0.
从预报参数能否准确反映出切削颤振的特征方面、预报参数的适应性方面及预报参数的预报速度方面进行了综合分析,提出了一种快速、有效的预报切削颤振的参数——过零频数比γ0。
4) zero cross point comparing method
过零点比较法
5) digitized zero cross point voltage comparing method
数字化过零点电压比较法
6) derivative ratio
比值导数法
1.
Analysis of mixture of glyoxal and glyoxalic acid by derivative ratio;
比值导数法对乙二醛和乙醛酸的二元混合物分析
补充资料：比色分析法(见紫外—可见分光光度法)
比色分析法(见紫外—可见分光光度法)
比色分析法见萦外一可见分光光度法。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条