Applied Electromagnetics and Advanced Antennas

应用电磁学和先进天线

• 批准号: RGPIN-2015-06570
• 负责人: Shafai, Lotfollah
• 金额: $ 6.34万
• 依托单位: University of Manitoba
• 依托单位国家: 加拿大
• 项目类别: Discovery Grants Program - Individual
• 财政年份: 2018
• 资助国家: 加拿大
• 起止时间: 2018-01-01 至 2019-12-31
• 项目状态: 已结题
• 来源: https://www.nserc-crsng.gc.ca/ase-oro/Details-Detailles_eng.asp?id=664794
• 关键词: Applied; Electromagnetics; Advanced; Antennas

The objective of my proposed research is to use electromagnetic principles for developing mathematical tools for investigating the wave interactions with surrounding media, and to enable the design of electromagnetic devices, such as antennas, sensors, and other components for applications in emerging areas in science and engineering. It will have several groundbreaking advances in communication and remote sensing. ***I will conduct research on the development of low loss engineered materials. The conductor losses have been "the source of all evil" in radio science and anything dealing with electromagnetic waves, and created the dream of superconductivity. Recently, in a modest way, I have demonstrated loss reduction in layered structures, and this research will investigate it in detail, using physical principles, and develop mathematical models for its minimization. Conductive loss reduction will launch a new wave of innovation in many areas of science and technology.***I propose to advance my research on virtual antenna arrays, which replaces multiple antennas with only one, with the aid of electromagnetic modeling and signal processing. With further development, I intend to investigate its applications in synthetic aperture radars and satellite observations, using high gain antennas. I will also study applications where device miniaturization has a transformative impact, by hardware minimization, or replacement with software.***I plan to further study the electromagnetic response of Arctic sea ice, and develop dedicated algorithms for scattering by its special features, such as frost flowers and brine inclusions. The results of this research will be invaluable for improving our understanding of the sea ice, and predictions by large-scale satellite observations, and sustainable development of the North.***I propose investigating the symmetric properties of electromagnetic waves scattered from objects and tissue anomalies. This research will relate the received response to the object's location, rather than the source contrast, used currently in microwave imaging. Its features will be similar to MRI imaging and the latter's signal processing can be used to improve the detection and identification of the anomalies.**

我提出的研究的目标是使用电磁原理开发数学工具，用于研究波与周围介质的相互作用，并使电磁设备的设计，如天线，传感器和其他组件在科学和工程的新兴领域的应用。它将在通信和遥感方面取得几项突破性进展。 * 我将研究开发低损耗工程材料。在无线电科学和任何与电磁波有关的领域，导体损耗一直是“万恶之源”，并创造了超导的梦想。最近，在一个温和的方式，我已经证明了在分层结构的损失减少，这项研究将详细调查，使用物理原理，并开发其最小化的数学模型。降低传导损耗将在许多科技领域掀起新一轮的创新浪潮。*我建议推进我的研究虚拟天线阵列，取代多个天线只有一个，电磁建模和信号处理的帮助。随着进一步的发展，我打算研究它在合成孔径雷达和卫星观测中的应用，使用高增益天线。我还将研究设备小型化具有变革性影响的应用，通过硬件最小化或软件替代。我计划进一步研究北极海冰的电磁响应，并开发专门的算法，通过其特殊功能，如霜花和盐水夹杂物散射。这项研究的结果对于提高我们对海冰的认识、通过大规模卫星观测进行预测以及北方的可持续发展都将是非常宝贵的。我建议研究从物体和组织异常散射的电磁波的对称特性。这项研究将接收到的响应对象的位置，而不是源的对比度，目前在微波成像中使用。它的功能将类似于MRI成像，后者的信号处理可用于改善异常的检测和识别。