The planar monopole antennas not only have these merits but also have the properties of wideband, low profile, and easily connecting to microstrip line feeding network. 平面单极天线以其结构尺寸小、工作频带宽、全向性能好、生产制作工艺简单等优点,广泛地应用于无线通信系统中。
By inserting a slot at the edge of the rectangular slot on the ground plane and loading a C-shaped resonator near the microstrip line, dual band-notched characteristic at the central frequency at3. 通过在地板上的矩形槽的边缘开槽和在馈线旁加载C形谐振器,该天线实现在中心频率3。
A Low-Pass Filter Based on Novel Defected Ground Structure and Compensated Microstrip Line 基于缺陷地面结构和补偿微带线的低通滤波器
The Method of Moment ( MoM) is used first for calculating the input impedance of microstrip patch antennas fed by microstrip line. 本文首先利用矩量法计算平面馈电型微带贴片天线的输入阻抗,并对其进行实验测量;
Hilbert curve fractal defected ground structure for microstrip line 基于Hilbert曲线分形的DGS微带线
In order to improve the gain of millimeter wave ( MMW) microstrip antenna array, a novel method based on active circuits and phase adjustment by dielectric loaded microstrip line was presented. 提出了利用有源电路和介质加载微带线调相技术提高毫米波微带阵列天线增益的方法,设计并实现了一个具有高增益的有源毫米波微带天线阵列。
In chapter 2, the basic characteristics of millimeter wave microstrip line are analyzed, and we have introduced the calculating formula of its valid permittivity and resistance speciality the discontinuity of the microstrip and the parallel coupling microstrip. 第二章分析了微带线的基本特性,介绍了它的有效介电常数和特性阻抗的设计公式,并对微带不连续性及平行耦合微带线进行分析。
Some microstrip structures such as microstrip line, patch antenna and microstrip branch line coupler have been simulated and the characters of these elements have been analysed. 利用FDTD法分别对微带传输线、矩形微带贴片天线和微带分支耦合器进行了仿真和特性分析。
In this paper, with the structure size of coupling micro-strip line defined as input samples and the characteristic impedance and the normalized wavelength defined as output samples, a kind of coupling microstrip line is designed by the method. 文中采用该方法进行了一种耦合微带线设计,以耦合微带线的结构尺寸作为输入样本,奇偶模特性阻抗和归一化波长作为输出样本。
A detail analysis on the circuits of optical modulator and photodetector designed with microstrip line is presented. 对采用微带线结构的光调制器和光检测器电路作了详细分析。
The analysis of the characteristic of the planar whispering-gallery modes dielectric resonator and the coupling of it and the microstrip line was introduced in this paper. A novel substructure of the millimeter wave equalizer was given. 文章在分析了平面回音壁模介质谐振器的特点以及它和微带线耦合的基础上,给出了一种新型的基于平面回音壁模介质谐振器的毫米波均衡器子结构。
Method to modify dispersion and fringing effect of microstrip line has been mentioned. 讨论了微带电路数值计算时色散效应和边缘效应的修正方法;
Based on this method, a C-band single stage microstrip line end-coupled filter has been designed and fabricated. 基于这种方法,制作了一个C波段的单级微带端耦合滤波器。
Ultrathin ( or zero-thickness) microstrip line is a key part in microwave circuit design. 超薄(或说零厚度)微带线是微波电路设计的重要组成部分。
A novel microstrip slot antenna was presented here, which located on the arris of polyhedron and was fed by microstrip line inside the polyhedron. 本文提出了一种新型的、位于金属多面体棱上、由多面体内部微带线馈电的缝隙微带天线。
Generally, microstrip antenna array is fed by microstrip line. 一般用微带线对微带天线阵进行馈电。
The physical mechanism of leaky-wave on microstrip line is briefly introduced at the beginning of the thesis. 论文首先简要介绍了微带线漏波的物理机制。
Experiment results of low-pass filter using microstrip line with DGS and simulation results are given at last. 最后给出采用DGS微带线设计的低通滤波器的仿真结果和实验测试结果。
In this paper, the structure and its design optimization of microstrip line and stripline in the multilayer substrate are discussed, the manufacturing process and its key technology are also introduced. 讨论了多层基板中微带线和带状线的结构及其优化设计技术,介绍了制造工艺流程和关键工艺难点。
This method is especially suitable for the determination of Qu of the dielectric resonator coupled to a microstrip line. 此法尤其适用与微带线相耦合的介质谐振器的Qu值的确定。
Microstrip line matching network are used for input match, output match and inter-stage matching networks. 利用微带电路实现射频输入、输出和级间匹配。
The Microstrip Line with the PBG Structure 光子带隙结构在微带线中的应用
And it is suggested that several problems should be considered tor designing a high performance superconducting microstrip line filter. 文中还讨论了设计制作高性能微带滤波器应注意的问题。
In addition, two methods for extracting the scattering parameters of microwave circuits are studied in this paper, with the emphasis on the matched load termination method. And a further research of the FDTD modeling of matched load terminating a microstrip line is made. 另外,本文还研究了FDTD分析微波电路时散射参数的两种提取方法,着重研究了端接匹配负载提取散射参数的方法,并对微带线端接匹配负载模型作了进一步的研究。
Taking the calculation of a shielded microstrip transmission line at the low frequency for example, this paper presents an application method of ANSYS in characteristic analysis of microstrip line, elaborates the related theory and working process. 文中以计算低频屏蔽微带线为例,给出了ANSYS在微带线特性分析中的应用方法,阐述了其计算原理和计算过程。
The feeding network formed of microstrip line can match with the radiating slots expediently; 利用微带线构成馈电网络可以方便地与辐射缝隙进行匹配;
The two stages of whole circuit use the same circuit structure to cascade directly through the short microstrip line. 整体电路采用两级相同的电路结构,通过短微带线直接进行级联。
Based on three-line microstrip line structure, a novel UWB filter with wide stopband is designed. 在此基础上,结合三线微带线结构设计了具有宽阻带特性的超宽带带通滤波器。
The accuracy and validity of this method is verified by the results obtained with other methods in the literate. Then, the leakage phenomena on microstrip line are analyzed. 该方法的有效性和精确性已被文献中用其他方法得到的结果所证实。随后,论文对微带线的漏波现象进行了深入的研究。
As a result of new materials production and filter theory unceasing development, now filter is turning to high performance, integration and miniaturization. Thereafter, it introduces microstrip line theory and the basic principle of the filter. 由于新材料的产生和滤波器理论的不断发展,现在滤波器正向高性能、小型化和集成化的方向发展。其后,介绍了微带线理论和滤波器的基本原理。