本文就主要针对一种双频双极化天线进行研究。
In this thesis, one kind of the dual-band dual-polarized antenna is mainly researched.
四臂正弦天线是一种用途广泛的宽频带双极化天线。
As an important form of wide-band dual polarization antenna, the four-arm sinuous antenna has been widely used in EW equipments.
在量子点中,适当的约束势有利于双极化子的形成。
The effects of the confinement on bipolarons are different in quantum wells, quantum wires or quantum dots.
该文设计了共用一个物理孔径的双频双极化的微带天线。
The dual-frequency and dual-polarization microstrip antenna for space-borne SAR application is presented.
假设自旋极化子和不带自旋的双极化子为有机半导体中的载流子。
Self-trapped states, such as spin polarons as well as spinless bipolarons are assumed to be the main carriers in organic semiconductors.
最后,研究了降雨及去极化效应对频率复用双极化系统性能的影响。
Finally, the effect of the rainfall depolarization on the dual-polarization frequency reuse system is analyzed.
本文主要对一种单端口馈电的缝隙加载双频双极化微带天线进行研究。
The research of this article is mainly on a single feed slot loaded dual-band dual-polarized antenna.
该天线可应用于宽频带单极化、双极化阵列天线单元或反射面天线馈源。
The antenna is applicable to the array antenna element with broadband single polarization and dual polarization or antenna feed source with reflecting surface.
为了克服目标效应,将常规旁瓣对消系统的辅助天线改为双极化正交天线。
To overcome the signal effect, we renovate the auxiliary antenna in the conventional side lobe canceller system to two-orthogonal-channel polarization antenna.
本文用量子化学的PPP法讨论了双极化子的稳定构型,得到了较好的结果。
In this paper, we calculate the stable configuration of the bipolaron with PPP method, and gain a good result.
用自洽迭代的方法研究了顺式聚乙炔中双极化子的能谱及其附近的局域振动模。
We have studied the energy spectra of bi-polaron and the localized modes around a bi-polaron in cis - (ch), by using a self-consistent approach.
本文建议以双极化子微观模型,根据多声子晶格弛豫理论解释顺式聚乙炔的喇曼谱。
A bipolaron microscopic model is proposed in this paper to interpret theoretically the Raman scattering data in cis-polyacetylene on the basis of lattice relaxation theory.
从烃与水的T1差异着手,针对双极化时间核磁共振测井,可以建立含烃饱和度方程。
Hydrocarbon saturation equation was set up according to T1 difference between hydrocarbon and water in dual polarization time NMR log.
在强电场下,反向极化消失,极化子单激发态解离为一个单极化子和一个双极化子态。
The inversed polarization will disappear under a strong electric field and the single excited state of a polaron will dissociate into a polaron and a bipolaron.
详细介绍一个适用于中小尺度区域海洋遥感图像采集和科学研究的双极化X波段机载真实孔径雷达。
This paper presents a dual-polarized X-band airborne real-aperture radar (RAR) that is suitable for submesoscale ocean imaging and research.
针对某型双极化高交叉极化鉴别度天线进行了实际测量,测量结果表明该方法具有很高的工程实用价值。
The practical measurements of dual polarization antennas are presented. This new approach is of great practical value in engineering.
应用微扰理论计算了双极化子和自由极化子的能带,以能带结构讨论了单重态和三重态双极化子的稳定性。
We have used the perturbation theory to calculate the energy bands of the bipolaron and the free-polaron, in order to investigate the stabilities of the singlet and the triplet bipolaron states.
这种天线集合了双频天线和双极化天线的优点,不仅能大大提高天线的性能,而且在很大程度上能降低系统的成本。
This kind of antenna combines the advantages of dual-band antenna and dual-polarized antenna, can not only improve the antenna performance greatly, but also reduce the cost of the system.
本文结果为使用双极化雷达研究云降水机制提供了方法,表明双极化雷达在云降水物理的研究中具有广阔的应用前景。
The studies provide the method for dual-polarization radar application to cloud and precipitation physics studies, and indicate its broad potential application prospect.
在基本原理讨论的基础上,本文重点研究了宽带双极化微带平面阵天线,提出了一种结构简单性能较为良好的天线形式。
Based on the theoretic analysis, a study is made on broadband and dual-polarized microstrip planar array antennas and a mode of simple structure with good antenna performance is proposed.
本论文从理论和实验上对几种适合于有源集成的微带天线单元和具有高隔离度的双极化微带天线阵列进行了较深入的研究。
In this dissertation, both theoretical and experimental studies on several microstrip antenna elements and dual-polarized antenna arrays suitable for active integration are presented.
这是链间耦合对共轭聚合物中双激子的反向极化作用。
It's the effect of interchain coupling on the inversed polarization of a biexciton in conjugated polymers.
而在通过DNA双链密集层后,多达60%的电子发生了极化。
However, after travelling through the DNA, the electrons became polarized by as much as 60%.
质子交换膜燃料电池双极板导流场的不同区域极化研究可以诊断导流场工程设计的合理性。
The study of different area polarization of bi-polar plate flow field PEM fuel cell could be a very good diagnosing tool to verify the engineering design of flow field of bi-polar plate.
提出了一种新型宽带8路双圆极化和差波束形成网络,推导了网络的基本原理并给出了设计实例。
A new type of dual circular polarization ultra-wide-band 8 ports beam forming network is proposed in this paper.
介绍的X波段收发共用双圆极化馈源是为了拓展海外市场新研制开发的产品。
The product of X-band couple circular polarization feed is researched in order to exploit the oversea market.
玻色子极化和t(?)自旋关联在t(?)双轻子衰变道中的蒙特卡罗研究。
The Monte Carlo Study of W Boson Polarization and t(?) Spin Correlation int(?) Dileptonic Decay Channel;
研究了双磁垒量子结构中,磁场强度和偏压大小对电子自旋极化输运的影响。
The effects of magnetic field and bias voltage on spin polarized electron transport through a dual magnetic barriers quantum structure are investigated in this paper.
提出了一种新型圆极化天线形式——双圆环形印刷天线。
A new circularly polarized (CP) antenna with dual-circinal loop is designed.
提出了一种新型圆极化天线形式——双圆环形印刷天线。
A new circularly polarized (CP) antenna with dual-circinal loop is designed.
应用推荐