نتایج جستجو برای: microwave technology

تعداد نتایج: 515497  

2007
Zuowei SHEN Lu YANG N. C. LUHMANN P. ZHANG

Millimeter wave technology advances have made possible active and passive millimeter wave imaging for a variety of applications including advanced plasma diagnostics, radio astronomy, atmospheric radiometry, concealed weapon detection, all-weather aircraft landing, contraband goods detection, harbor navigation/surveillance in fog, highway traffic monitoring in fog, helicopter and automotive col...

2007
Jiri Polivka

In which r is the distance between the antenna and object (meters) and c is the speed of light (3 × 108 meters/sec). Such a system can measure the distance between the antenna and a selected object by the delay T in (1), and the position of that object is determined by antenna poniting. Because the antenna must be switched from Here is a comprehensive review of the current types of microwave se...

Journal: :IEICE Transactions 2015
Jiasheng Hong Jia Ni Francisco Cervera Laura Hepburn

This invited paper aims to present an overview of our recent research and development (R&D) of advanced microwave planar filters, in particular with miniaturization and/or electronically tunable/ reconfigurable functionalities, which are in demand for future communication/radar systems as well as emerging wireless applications. key words: microwave filters, planar filters, multilayer filters, t...

2012
Hong Liu Lei Zhang

Microwave dielectric heating was firstly reported on the use in organic chemistry by Gedye (Gedye, R. et al., 1986) and Giguere/Majetich (Giguere, R. J. et al., 1986) in the mid-1980s. However, it takes a long time before the wide application of this technology in the late 1980s and early 1990s. This has been principally attributed to the lack of controllability and reproducibility of the initi...

2015
Amita Singh

In this paper, we present the concept of transmitting power without using wires i.e., transmitting power as microwaves from one place to another is in order to reduce the transmission and distribution losses. A wireless power transmission using microwave is a system which contains satellite based solar power system (SPS), microwave generator, microwave transmitter (magnetron) and microwave rece...

2015
Fenghua Zhang Tianyang Zhou Yanju Liu Jinsong Leng

Microwave technology is a highly effective approach to fast and uniform heating. This article investigates that the microwave heating as a novel method is used to rapidly foam and actuate biocompatible and biodegradable shape memory crosslinked-polycaprolactone (c-PCL) foams. The optical microscope proves that the resulting c-PCL foams have homogenous pore structure. Mechanical behavior and sha...

Journal: :Bioelectromagnetics 2004
James C Lin

This d'Arsonval Medal acceptance presentation highlights several research themes selected from Dr. Lin's published works, focusing on the microwave portion of the nonionizing electromagnetic spectrum. The topics discussed include investigation of microwave effects on the spontaneous action potentials and membrane resistance of isolated snail neurons, effects on the permeability of blood brain b...

2014
Wei Meng

Title of Dissertation: SYNTHESIS AND DESIGN OF MICROWAVE WIDEBAND FILTERS AND COMPONENTS Wei Meng, Doctor of Philosophy, 2014 Directed By: Professor Kawthar A. Zaki, Department of Electrical and Computer Engineering In the development of modern communication systems, various stringent requirements are imposed on the hardware components to support emerging applications. There is broad interest i...

2015
Yashwant Kumar

Microwave is the machine, which is very helpful for the food sector. The modern age of life as well as the increasing number of working women requires simplified routines and standardization of foods with lesser preparation time and convenience in usage. The demands of the consumers are the real factor for the success or failure of any food items in the present scenario. The increasing consumer...

2012
Barbora Vrbova J. Vrba

Medical applications of microwaves (i.e., a possibility to use microwave energy and/or microwave technique and technology for therapeutical purposes) are a quite new and very rapidly developing field. Microwave thermotherapy is being used in medicine for cancer treatment and treatment of some other diseases since early eighties. This paper is a contribution to a theory of phase array applicator...

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