天线理论

用天线理论对用于GIS局部放电检测的超高频传感器频率响应特性进行了分析及实测。

The frequency response ( FR ) characteristics of the ultra high frequency ( UHF ) sensors used for detecting partial discharge in GIS are analyzed by the antenna theory and measured in laboratory .

根据Hallen方法和天线理论，研究了线模型的等效依据及其计算偏差随频率增大而增大的原因。

Based on the Hallen method and antenna theory , the equivalent principle of wire model , and the reasons for its increasing error at high frequency were researched .

通过对微带天线理论的研究，本文设计了一款适用于超高频读写器的PCB微带天线。

An onboard antenna based on the theory of microstrip patch antenna is put forward for UHF interrogator in this article .

RF-MEMS天线理论、建模仿真及特性研究

Study of Theory , Model , Simulation and Characteristic of RF-MEMS Antennas

天线理论中的第二类积分方程

Fredholm integral equation of the second kind in antenna theory

赋形波束双弯曲反射器天线理论研究

Study on Doubly Curved Shaped - beam Reflector Antenna Theory

基于近代天线理论的钻孔电磁波法正常场

The Normal Field in Borehole Electromagnetic Wave Method Based on the Modern Antenna Theory

最后对天线理论的发展趋势作了一些展望。

Finally , we give some ideas of the future developments of antenna theories .

智能天线理论一经提出来之后，就引起了人们的普遍关注。

Smart antenna theory was proposed , it has aroused people ' suniversal attention .

微带天线理论和技术的进展

Advances in microstrip antenna theory and technology

近代天线理论及其发展趋势

Modern Antenna Theories and Their Future Developments

本文所做工作，对丰富超宽带天线理论和技术有重要的意义。

The study works done in this paper have the vital significance to the UWB antenna theory and the technology .

利用广义二端口网络法和天线理论求解视频电缆的辐射；

In this paper , calculations of the radiation are introduced on the basis of the generalized two-port network method and antenna theory .

根据天线理论，将激励线圈近似为螺线管，模拟为一系列电磁源。

According to the antenna theory , an excitation coil similar to a helix was modeled as a stack of electric and magnetic sources .

圆极化技术作为微带天线理论和应用的一个重要分支，近年来在通信及电子对抗等领域中得到广泛应用。

Nowdays circularly polarized technology is one of important branchs in the microstrip antenna of field , it is used in the communications and electric antagonizes .

应用天线理论中的电流分布法，首次推导了具有连续位相结构的反射式毫米波衍射天线的远场衍射图计算公式。

The far field diffractive pattern calculating formula for diffraction antenna with continuous phase structure is derived by current distribution method in antenna theory for the first time .

用天线理论对该传感器的特性加以分析并在实验室中进行了性能实测，结果表明该传感器具有良好的使用特性。

Then the characteristics of this sensor are analyzed by the antenna theory and measured in laboratory , and it is shown that the sensor has superior performance characteristics .

本文介绍用近代天线理论的矩量法分析并用计算机进行辅助设计的一种直扩与跳时混合扩频的小型宽带通信天线。

This paper introduce a kind of minitype wideband communication antennae Integrating straight extend frequency with hopping time extend frequency and how to design this antennae with computer and neoteric antennae theoretical matrix-measure method .

尽管天线理论主要是基于对远场的研究，但是在网络及通信技术的飞速发展的今天，近距无线技术正在成为关注的焦点，应用场合也在不断扩大。

The antenna theories are mainly based on study of far field , but with the development of the network and communication technology today , the short-range radio communication technologies are becoming more and more focused , and their applications are becoming wider and wider .

移动电话与人体相互作用的研究是一项牵涉面很广的电磁兼容复杂课题，需要综合应用电磁场与天线理论、计算技术和生物医学等方面的最新研究成果，具有很强的学科交叉特征。

The research on coupling of mobile with human body is a complex EMC topic involving extensive factors , which should use synthetically new achievements of electromagnetism and antenna theory , computing technology and biomedicine etc , so it has a strong performance of multi-subjects crossed .

以有线通信理论、无线通信理论及天线理论为核心理论体系，对适用于闭域或半闭域空间实现双工无隙通信用泄漏电缆的基本理论体系和可行性进行了定性和定量的分析与研究。

Taking the theories of wire communication , radio communication and antennas as the core theory system , the basic theory system and feasibility of leaky coaxial cable ( LCX ) used for duplex continuous communication in the blind or semi-blind zone qualitatively and quantitatively are analyzed .

本文首先介绍了天线理论的物理基础和数学基础，然后综合论述了几种近代天线理论，尤其对天线理论在60年代发生的两次突破（几何绕射理论和矩量法）作了比较详细的论述。

In this paper , we introduce first the physical and mathematical foundations of antenna theories , and then discuss synthetically modern antenna theories , including especially thorough treatment of the two outstanding theories ( geometrical theory of diffraction and moment method ) initiated in the sixties .

从圆极化微带天线设计理论着手，分别设计了两种结构简单、增益较高的卫星定位导航单元天线：A类单点馈电天线和B类单点馈电天线。

From the theory of circular polarization microstrip antenna design , two kinds of element antennas are proposed which are simple and high-gain , including A-type single-fed antenna and B-type single-fed antenna .

本文研究内容主要有二个方面：FDTD用于天线计算理论研究和FDTD在天线计算中的应用研究。

The purpose of this thesis is to investigate the theory of finite-difference time-domain ( FDTD ) and its application to antenna analysis .

由于WSN波束合成研究的需要，本文重新拾起对随机分布天线阵理论的研究，并根据WSN节点任意分布的特点建立了一套适用于WSN的随机分布天线阵综合技术。

In order to build up WSN beamforming theory , we take up the research of randomly spaced antenna arrays again and make a synthesis theory of randomly spaced arrays for WSN .

目前智能天线的理论分析对象一般是直线阵列天线，而我国的TD-SCDMA系统采一用的是圆环阵列天线，本文对圆环阵列天线进行了分析并建立了圆环阵列天线输入输出信号模型；

The research of smart antenna at present is usually about theory discussion , and the theory analyzing object is usually linear array antenna , but TD-SCDMA adopt circinal array antenna .

应用反射面天线基本理论与几何光学理论，得到了波束在Vlasov准光模式变换器中传输的变化规律。

With the basic theory of reflector antennas and the geometrical optics , the law of the beam transmission in the Vlasov quasi-optical mode converter is obtained .

多天线信息理论揭示了多输入一多输出（MIMO：Multi-inputmulti-Output）技术所具有的远远超越于传统单天线系统的高效传输性能，为空时编码技术的产生与应用奠定了坚实的理论基础。

The establishment and development of the multi-antenna information theory have revealed that the MIMO ( Multi-Input Multi-Output ) technique can provide extraordinarily high spectral efficiency gain over the traditional single antenna systems , which have also laid the theoretical foundation for the invention and applications of space-time codes .

介质覆盖矩形微带天线的理论与实验

Theory and Experiment of Rectangular Microstrip Antennas with Dielectric Cover

加载短路钉微带天线的理论分析

Theoretical Analysis of Microstrip Antennas Loaded with Shorting - pin