1) per-unit curve
标幺曲线
2) per unit system
标幺值法
1.
DSP2407 controller is adopted to complete the research & development of three-phase PWM rectifier based on the per unit system and the current decoupled control.
采用DSP2407控制器、基于标幺值法及电流解耦控制完成了三相两电平PWM整流电源的研制。
3) per-unit system
标幺制
1.
A novel EKF model in per-unit system was developed to make the matrix parameters in EKF position equations and speed estimation system independent of the parameters of the motor,therefore the model can be used in wider range and reduce the difficulties.
为满足潜艇侧推系统快速启动性和高可靠性要求,解决机械传感器的海水密封问题,研究了扩展卡尔曼滤波器无位置传感器永磁同步电动机控制系统,建立了标幺制下的EKF位置和转速估算模型,使应用扩展卡尔曼滤波器估算电机位置和转速时,矩阵的参数不依赖于电机参数,具有更广范围的适用性,降低了使用难度。
2.
A tuning method based on the per-unit system of the EKF algorithm representation is presented in the paper.
采用扩展卡尔曼滤波器(EKF)在估算永磁同步电动机(PMSM)转子位置以及转速时,协方差参数的确定一直是一个难点,必须通过多次仿真实验才可以确定,本文提出了一种基于标幺制的参数调试方法,只需要在一定范围内调试两个参数,即可确定协方差矩,阵保证系统稳定工作。
4) per unit
标幺化
1.
An example of process to vector control was presented to analyze the Q15 format of per unit.
在实现SVPWM算法的汇编程序中采用了一种新型的定标法对标幺化的数值进行定标,这种定标法能直观的表示数值的大小范围,可以实时的对数值进行定标提高了SVPWM算法执行的精度和速度。
5) calibration curve
定标曲线
1.
The laser_induced breakdown spectroscopy(LIBS) calibration curves of the Fe and Ni trace elements are also determined in buffer gases He,Ar,Air and in vacuum.
实验上研究了最佳实验条件下铅黄铜合金中Ni,Fe两种杂质元素的LIBS分析谱线,在氦气、氩气、空气和真空等4种环境中,测定了Ni,Fe两种杂质元素分析中的LIBS定标曲线,定标曲线的拟合标准偏差在0。
2.
The calibration curves of Pb content were constructed with the spectrogram acquired in experiments.
利用实验光谱图建立了Pb含量的定标曲线。
3.
The calibration curve method for LIBS quantitative analysis is introduced.
介绍了用于激光感生击穿光谱技术定量分析的定标曲线方法,并以5种煤样作为实验对象,选取激光击穿煤粉时碳元素505。
6) curvilinear coordinate
曲线坐标
1.
The computation of temperature field under nonorthogonal curvilinear coordinate systems;
非正交曲线坐标系下的梯形物体导热过程温度场的数值计算
2.
The computation of fluid field under nonorthogonal curvilinear coordinate systems;
非正交曲线坐标系下的流场计算
3.
Study of Hamilton system in curvilinear coordinates;
曲线坐标系下哈密顿体系的建立
补充资料：弦幺
1.即幺弦，最细的弦。一般指琵琶的第四根弦。
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