1) instantaneous polarization descriptor
瞬态极化描述子
1.
The polarization variation regular of parabolic reflection antenna in different azimuthal and elevational direction of radar coordinate system is researched basing on the analysis of the spatial instantaneous polarization descriptors such as the distribution of spatial polarization degree and instantaneous polarization projection vector etc.
以天线的空域指向为变化因素来分析研究抛物面天线的空域极化特性,采用表面电流法计算了天线远场的主极化和交叉分量,进而利用空域极化比分布,瞬态极化投影集等空域瞬态极化描述子研究了雷达坐标系下不同方位角和俯仰角下典型抛面天线极化特性的变化规律。
2) polarization descriprors
极化描述子
3) instantaneous polarization
瞬态极化
1.
The polarization characteristics of active decoy of any elliptic polarized antenna were analyzed,and the analytic expression of its instantaneous polarization projection vector(IPPV) was given.
分析了任一椭圆极化天线有源假目标的极化特性,导出了其瞬态极化投影矢量(IPPV)的解析表达式,分析了不同极化电磁波激励下雷达目标散射回波IPPV的起伏特性。
2.
Then,the instantaneous polarization description of radar target,which irradiated by time-varied electromagnetic wave,is studied,and some new polarization parameters,such as similarity degree of instantaneous polarization,are presented.
阐述和深化了在时变极化波激励下雷达目标的瞬态极化表征方法,提出了瞬态极化相似系数和瞬态极化相似度等概念。
3.
Statistical characteristics of non-zero mean random polarized waves are studied based on the instantaneous polarization theory.
在正态分布假设条件下,首先导出了随机电磁波幅度、功率和相位的概率密度分布及联合概率密度分布,然后重点分析了能够完备表征电磁波极化特性的瞬态极化投影矢量(IPPV)的概率密度分布,并分析了极化通道之间相互独立的随机极化波IPPV各分量的概率密度与独立通道方差比的变化关系等。
4) instantaneous description ,ID
瞬时描述
5) instantaneous polarization STFT
瞬态极化STFT
6) instantaneous polarization projection
瞬态极化投影
1.
The statistical characteristics of the instantaneous polarization projections (IPP) of partially polarized waves are studied on the basis of the theory of instantaneous polarization.
在电磁波瞬态极化理论的基础上,研究了部分极化波的瞬态极化投影的统计特性。
补充资料：极化子
见固体中的元激发。
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