imaginary axis
英 美
[数] 虚轴
极坐标的横 轴为实轴(ReAl Axis)，标以Re，纵轴为 虚轴(imaginary axis)，标以IM。频率特 性的几种表示方式如以下各式所示。
虚数轴
... 直线叫做数轴 number line 虚数轴,虚轴 imaginary axis 垂直且有公共原点的数轴组成平面直角坐标系 rectangular coordinates in two demensions ...
The symmetric values about the imaginary axis of zero-poles which the unstable process lies in the open and closed right-half plane are defined as their mirror-injection.
非稳定过程在开右半平面的零极点关于虚轴的对称值称为该零极点的镜像映射。
The tilt of the earth's axis, that imaginary pole that runs through the center of the earth.
地轴是我们虚构的穿过地心的一个倾斜的直线轴。
The Earth's axis of rotation is tilted in relation to the ecliptic plane, an imaginary surface through Earth's orbit around the sun.
地球的自转轴与黄道面呈一定角度。黄道面是地球公转轨道所在的一个假想平面。
The vertical axis is therefore called the imaginary axis.
因而纵轴称为虚轴.
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