1) approximate rotational invariance relation
近似旋转不变关系
1.
The new method firstly obtains two approximate rotational invariance relations about distributed sources central DOA by the Taylor series expansion of array steering vector.
新方法首先通过阵列方向矢量的泰勒级数展开获得关于分布源中心DOA的两个近似旋转不变关系。
2) Rotating-wave approximation
旋转波近似
1.
With rotating-wave approximation, the non-dam ped solutions of the dynamic population equations with resonance excitation were deduced.
利用旋转波近似方法给出了共振激发和无衰减时粒子数运动方程的解析解 。
3) non-rotation approxition
非旋转近似
4) approximate invariance
近似不变性
1.
The approximate invariance of the middle frequencies energy relationship between video adjacent frames under photometric distortion and spatial desynchronization is discovered by analysis.
通过分析发现了视频帧问中频能量关系对于光度失真和空间同步失真的近似不变性。
5) nearly invex
近似不变凸
补充资料：近似
相近或相像但不相同：这两个地区的方音有些～。
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