1) polarization A/B conversion
A/B极化转换
1.
The fundamental concepts about satellite polarization are introduced,the operation principles of antenna feed network and tracking receiver presented,and the mechanism of polarization A/B conversion described.
简要介绍了卫星通信极化的基本概念,对测量船天线馈源网络和跟踪接收机工作原理以及A/B极化转换的机理进行了描述,分析了天线跟踪系统相位变化的原因及关键问题,给出了海上动态A/B极化转换的方法,尤其是对海上动态校相的操作过程进行了较为详细的描述,最后举证了实际应用情况。
2) A and B polarization switching
A、B极化切换
1.
This article makes an analysis for the plan A and B polarization switching in the state of circular polarization in ship satellite communication aerial,sums up the shortcomings of present switching plan that might change communication characteristics of sum-difference channel.
对船载卫通天线圆极化状态下A、B极化切换方案进行了分析,阐述了现行切换方案会改变和差通道传输特性,致使跟踪接收机校相值全部作废的缺点。
3) polarization conversion
极化转换
1.
According to the antenna function requiring the feed network polarization be adjusted and the characteristics of feed network, the key point of the design is the selection of polarization conversion system which moved balanced and positioned accurately.
依据天线功能对馈源网络极化调整的要求及馈源网络的特点,运动平稳和准确定位的极化转换运动系统是设计的关键。
4) B to Z transition
B-Z转换
5) Cross-polarized transformation
交叉极化转换
6) B-spline transform
B样条转换
1.
Fast image interpolation is implemented by means of fast B-spline transform.
采用快速B样条转换实现快速图像插值可以提高运算速度。
补充资料:[3-(aminosulfonyl)-4-chloro-N-(2.3-dihydro-2-methyl-1H-indol-1-yl)benzamide]
分子式:C16H16ClN3O3S
分子量:365.5
CAS号:26807-65-8
性质:暂无
制备方法:暂无
用途:用于轻、中度原发性高血压。
分子量:365.5
CAS号:26807-65-8
性质:暂无
制备方法:暂无
用途:用于轻、中度原发性高血压。
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