稀疏金属化通孔阵列的电磁特性分析

项目名称： 稀疏金属化通孔阵列的电磁特性分析

项目编号： No.61501033

项目类型： 青年科学基金项目

立项/批准年度： 2016

项目学科： 无线电电子学、电信技术

项目作者： 金城

作者单位： 北京理工大学

项目金额： 22万元

中文摘要： 基片集成波导（SIW）因其物理形态和特性兼备金属波导和微带线的优点而备受关注。SIW常用于系统级封装（SiP）中，然而由于加工工艺的限制常使SIW在高频通信/雷达系统中的金属化通孔比较稀疏而造成信号传输损耗。因此，本项目以SIW的信号完整性分析为研究目标之一，采用闭合曲线积分法分析稀疏金属化通孔阵列的电磁特性，并研究稀疏的金属化通孔对SIW信号完整性的影响。.近年学者们利用稀疏金属化通孔设计了侧稀疏准半模基片集成波导（LS-SIW）构成新型电路用于特殊的天线设计，并通过实验推论出其相位常数与衰减常数独立可控，但对其理论研究并不成熟。因此，项目以分析LS-SIW为第二个研究目标，在稀疏金属化通孔的电磁特性研究的基础上，对LS-SIW的传播机理和辐射特性进行研究，从理论上证明LS-SIW相位常数和衰减常数独立可控，并将基于这一特性设计圆极化漏波天线和机载/弹载共型天线来证明理论正确性与实用性。

中文关键词： 稀疏金属通孔阵列；不连续面分析；准半模波导；传输特性；集成天线

英文摘要： Recently, the development of substrate integrated waveguide (SIW) has witnessed explosive growth because their physical configuration and electromagnetic characteristics combine the advantages of both metallic waveguide and microstrip line, especially driven by their usefulness in system-in-a-package (SiP) technologies. However, the processing technology often causes the metallic via-holes of SIW to be sparse and the waveguide to be lossy in high frequency communication and radar systems. Therefore, the characteristics study of sparse metallic via-holes array is becoming very significant. This project will analyze the electromagnetic characteristics of sparse metallic via-holes array by using the Contour Integral Equation (CIE) method at first. The signal integrity of sparse substrate integrated waveguide will be studied, and the detailed design guidelines of SIW at high frequency system will be given...Taking advantage of sparse metallic via-holes array, the lateral sparse half mode substrate integrated waveguide (LS-SIW) is proposed. The propagation characteristics and radiation properties of the periodical LS-SIW will be studied based on the analysis of electromagnetic characteristics of the sparse metallic via-holes array. It will be theoretically proved that the phase constant and attenuation constant of LS-SIW can be independently controlled. Radiation mechanism of LS-SIW based antenna will be investigated, the design guideline for the antenna will be given, and a circularly polarized leaky-wave antenna and an airborne conformal antenna will be designed. In addition, the study of sparse metallic via-holes array will be extended to the principle analysis of the coupler design for the filter based on SIW...In summary, this project will replenish the analysis of SIW by studying the sparse metallic via-holes array, and the results are important for guiding the designers to utilize or avoid using the sparse metallic via-holes array when designing SIW.

英文关键词： Sparse Metallic Via-Holes Array;Discontinuty Analysis;Quasi-Half Mode Waveguide;Propagation Characteristics;Integrated Antenna