1) principle of correlation analysis
互相关原理
1.
In order to extract the vibration value which indicates the same frequency as rotating speed from the lower S/N ratio signal and adapts to speed variety,the method of Narrowband Tracking Filtering was deduced by the principle of correlation analysis.
为了从强干扰噪声中提取出与转速同频的振动分量,且适应转速波动时的情形,利用互相关原理导出了跟踪滤波方法,并采用乘法数模转换器(MDAC)设计并实现了窄带跟踪滤波器。
2) correlation theory
相关原理
1.
On the basis of correlation theory to identify the magnitudes and phase values of unbalance.
介绍了微速差双转子系统的动平衡原理,根据相关原理准确得到内外转子不平衡量大小和相位,结合虚拟仪器技术在LabVIEW下开发的测试程序,实现微速差双转子系统的动平衡,并在卧螺离心机上进行了实验验证。
2.
A new method based on correlation theory to accurately measure phase difference between electrical signals and their frequency is proposed.
提出了一种基于相关原理的电信号相位差准确测量方法,在同步采样条件下,对电压、电流信号作归一化处理后得到的2信号的互相关函数在初始时刻的值直接反映了它们之间的相位差。
3.
On the basis of correlation theory,this paper presents a method named Single Point DFT" to identify the unbalance.
不平衡矢量的识别是小速差双转子系统现场动平衡的关键，文中根据相关原理提出了单点ＤＦＴ不平衡矢量识别方法，通过理论分析确定了相关积分时间及其可能的误差。
3) correlation principle
相关原理
1.
When measuring the electrical characteristics of periodic signals using intelligent instruments based on the correlation principle,errors caused by non-integer-period sampling cannot be eliminated completely due to hardware restrictions.
利用基于相关原理的智能仪器测量周期信号的各种电参数时,由于硬件条件的限制,非整周期采样所致误差无法被完全消除。
2.
Based on the Kirchhoff diffraction theory, the necessary condition for keeping the correlation of the complex amplitudes of the ultrasonic speckles back scattered from an interface in rigid body motion is deduced by applying the correlation principle.
在Kirchhoff衍射理论的基础上 ,应用随机信号相关原理 ,推导了作刚体运动的界面上反射超声散斑在空间运动时 ,保持其复振幅相关的必要条件 。
4) cross-correlation theorem
互相关定理
6) correlation principle
相关性原理
1.
High frequency parameter measurement of the power line trap based on the correlation principle;
提出了一种利用相关性原理测量高频电力阻波器的频率阻塞特性的方法,详细阐述和分析了利用一对同频正交参考信号对待检信号进行相位检测处理的过程,并总结出了一套实用的阻波器阻抗及电阻分量的计算公式,避免了繁琐的三角函数运算。
补充资料：分工负责、互相配合、互相制约的原则
见《中华人民共和国刑事诉讼法》、职权原则。
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