WorldCat Identities

Wu, Ke 1962-

Works: 52 works in 84 publications in 3 languages and 870 library holdings
Genres: Conference papers and proceedings  History  Biographies 
Roles: Contributor, Other, Author, Thesis advisor, Opponent, Editor
Publication Timeline
Most widely held works by Ke Wu
RAWCON 2003 : 2003 IEEE Radio and Wireless Conference : proceedings : Hilton Boston Logan Airport, Boston, Massachusetts, USA, August 10-13, 2003 by IEEE Radio and Wireless Conference( )

4 editions published in 2003 in English and held by 255 WorldCat member libraries worldwide

RAWCON Atlanta 2004 : 2004 IEEE Radio and Wireless Conference : Atlanta, Georgia, USA, 19-22 September, 2004 : proceedings by IEEE Radio and Wireless Conference( )

2 editions published in 2004 in English and held by 228 WorldCat member libraries worldwide

Terahertz and gigahertz photonics : 19-23 July 1999, Denver, Colorado( )

12 editions published in 1999 in English and held by 149 WorldCat member libraries worldwide

Terahertz and gigahertz electronics and photonics II : 31 July-2 August 2000, San Diego, USA( )

9 editions published in 2000 in English and held by 142 WorldCat member libraries worldwide

Dual polarization antenna fed by a dual mode substrate integrated NRD-guide( )

1 edition published in 2008 in English and held by 17 WorldCat member libraries worldwide

ISMOT 2001, Montreal, Canada, June 19-23, 2001 : proceedings of the 8th International Symposium on Microwave and Optical Technology by International Symposium on Recent Advances in Microwave and Optical Technology( Book )

2 editions published in 2001 in English and held by 6 WorldCat member libraries worldwide

Fu te by Ke Wu( Book )

4 editions published between 1997 and 2015 in Chinese and held by 5 WorldCat member libraries worldwide

Proceedings, 2004 IEEE Radio and Wireless Conference : Omni Hotel at CNN Center, Atlanta, Georgia, USA, 19-22 September, 2004 by IEEE Radio and Wireless Conference( Book )

2 editions published in 2004 in English and held by 4 WorldCat member libraries worldwide

Proceedings, 2003 RAWCON Radio & Wireless Conference : Hilton Boston Logan Airport, Boston, Massachusetts, USA, August 10-13, 2003 by IEEE Radio and Wireless Conference( )

1 edition published in 2003 in English and held by 4 WorldCat member libraries worldwide

On the design of novel compact broad-band planar filters( )

2 editions published between 2003 and 2008 in English and held by 3 WorldCat member libraries worldwide

Structures hybrides planaires en vue de la réalisation de déphaseurs variables intégrés by Ke Wu( Book )

3 editions published in 1987 in French and held by 3 WorldCat member libraries worldwide

Global solutions of Einstein-Dirac equation on the conformal space by Qikeng Lu( Book )

2 editions published in 2003 in English and held by 3 WorldCat member libraries worldwide

Conception et développement de supports imprimables souples pour filtrage et adaptation des ondes électromagnétiques radiofréquences by Alejandro Niembro Martin( )

1 edition published in 2015 in French and held by 2 WorldCat member libraries worldwide

Nowadays wireless communication systems are more and more present in our lives, and with them, electromagnetic waves associated to them. A need of products capable to control the range of the network has appeared, for data security reasons, for data rate increase in case of network interferences or for health reasons. On the opposite, in other cases, improving the transmission of these waves is desired. For instance, in new construction or renovated buildings, energy saving windows allows having more efficient buildings thermal speaking. Unfortunately, those windows also block radiofrequencies, including mobile phone signals. The aim of this thesis is the design and development of filtering structures printed on flexible substrate. First, stop band selective filtering solutions are proposed in order to block as much as possible transmission waves, for instance, WiFi in between different rooms of the same building. Secondly, a solution to improve electromagnetic wave transmission through energy saving windows is proposed. In addition to these studies, a characterization system for testing these FSS structures has been developed during this thesis work
Local loss model of dividing flow in a bifurcate tunnel with a small angle by Xin Zhang( )

1 edition published in 2019 in English and held by 2 WorldCat member libraries worldwide

Optimisation des matériaux cellulosiques pour des applications en radiofréquences et térahertz by Cyril Guers( )

1 edition published in 2019 in French and held by 2 WorldCat member libraries worldwide

This thesis work deals with the optimization of cellulosic materials (papers, cardboard and cellulosic based materials). We seek to upgrade those materials for high frequencies applications: radiofrequency and terahertz. Actually the dielectric properties of cellulosic materials, and specifically their dielectric losses, are very high. It means that the efficiency and the yield of those applications are limited. In this work, we first study individually the properties and the dielectric parameters of the different component of cellulosic materials. Using radiofrequencies measuring techniques like the resonant cavity and terahertz measuring techniques like spectroscopy THz-TDS, we point our interest on the impact of those constituents upon the dielectric losses of papers. Thanks to the results, we then present method and techniques allowing to optimize paper reducing its losses. Eventually, we discuss of the transposition effects of those techniques on a paper industrial production line and propose transversal solutions to the exploitation of paper properties in its actual state. During this work, we show specifically the crucial effect of density on the paper losses and present studies upon crystallinity, length and orientation, of cellulose fibers. Two deeper studies present the impact of fillers and moisture on paper dielectric properties. We show moreover that the fillers are very interesting to reduce the losses of cellulosic materials and we highlight the impact of moisture on measured losses. In those studies, we present two effective medium models of filled papers and moist papers. Those predictive models allow the prediction of the evolution of paper properties in function of fillers and moist content. Thanks to those results we determine, in terahertz, the parameters of bound water to cellulose, unknown yet
Prognostic nomogram for bladder cancer with brain metastases: a National Cancer Database analysis by Zhixian Yao( )

1 edition published in 2019 in English and held by 2 WorldCat member libraries worldwide

Guides d'onde Intégrés au Substrat (SIW) multicouches à haute performance pour des circuits millimétriques à faible coût by Frédéric Parment( )

1 edition published in 2016 in English and held by 2 WorldCat member libraries worldwide

The substrate integrated waveguide (SIW) technology, introduced in the early 2000s, has presently trigged a huge interest from academia to industry with the focus on the design and development of low-loss, compact, integrated, self-packaged and low-cost microwave and millimeter-wave circuits, antennas and systems. However, the classical metallic waveguide technology, which offers better performances such as lower insertion loss and higher power handling, has still been used in the design of microwave and millimeter-wave systems, despite its higher cost and bulky structure. To offer a highly integrated, further loss-reduced, low-cost alternative to the conventional waveguide and also to allow a wide-spread use of the millimeter-wave spectrum, this thesis research introduces a new SIW structure called Air-Filled SIW (AFSIW). This new structure has been theoretically and experimentally studied in details with a substantial amount of results. At millimeter wave frequencies, compared to the SIW topologies, the proposed AFSIW scheme exhibits a substantially lower insertion loss (three times, for example) and a much higher average power handling capability (four times, for example). Numerous AFSIW passive components have been investigated designed and demonstrated, which take advantages of the well-established multilayer printed circuit board (PCB) fabrication process. Couplers, phase shifters, power dividers, antennas and filters have been modeled, designed, prototyped and measured based on the introduced technology. Their performances have theoretically and experimentally been compared with their SIW counterparts to demonstrate and validate the benefits of the proposed technology
Electromagnetic analysis of multiconductor losses and dispersion in high-speed interconnects by Ke Wu( )

1 edition published in 1994 in English and held by 2 WorldCat member libraries worldwide

Conception d'antennes et méthode de caractérisation des systèmes RFID UHF en champ proche et en champ lointain by Aline Coelho de Souza( )

1 edition published in 2015 in French and held by 2 WorldCat member libraries worldwide

The Radiofrequency Identification technology (RFID) has had a huge growth these last years, due to its versatility and the uncountable possibilities to integrate this technology in many different application (tracking and inventory of goods, access control, supply chain, etc.), and in particular the brand new context of internet of things projects. For some years, the near field UHF RFID applications has been developed in order to overcome the problems related to degradations of tag's read range when needing to use it in a perturbing environment. The research work presented in this thesis come as a study of the UHF RFID in near field and far field zones. This study focus more particularly on the design of reader and tag antennas and on the characterization method in near field and far field zones. A study on the characteristics of fields outgoing from an antenna has been made, in order to underline the important criteria for the design of performant UHF RFID reader antennas in near field zone. From the state of art about tag antennas design and classical methodologies, we propose a new approach that aims improving the design of tag antennas in a more suitable point of view that is getting the expected power level in a given application. Finally, with an objective to characterize UHF RFID tags, we first propose a new approach enabling the identification of tag families, and then propose a new innovating power transfer efficiency measurement procedure, that has been validated experimentally
Conception et réalisation d'un nouveau transpondeur DSRC à faible consommation by Bruno Franciscatto( )

1 edition published in 2014 in English and held by 2 WorldCat member libraries worldwide

To increase the efficiency and safety of the road traffic, new concepts and technologies have been developed in Europe since 1992 for RTTT applications (Road Traffic & Transport Telematics). These applications use the Dedicated Short Range Communications (DSRC) devices at 5.8 GHz (ISM band). In view of the reliability and success of this technology, the use of such equipment is thus extended to the EFC (Electronic Fee Collection) or e-toll and also in many other application areas such as fleet management, public transport and parking management. Due to the broad applications, these equipments are subject to various standards CEN/TC 278, CEN ENV (EN) 12253, ETSI, etc.... The DSRC system consists in a transceiver (reader) and transponders (tags). Industrial approaches are oriented to semi-passive transponder technology, which uses the same signal sent by the reader to retransmit, performing a frequency shift and encoding data to be transmitted. This design avoids the use of the local oscillators to generate the RF wave, as in active transponders, and save electrical energy of batteries. This allows the development of relatively low cost and small size transponders. Despite advances in integrated low-power circuits technology, this concept still requires a lithium battery to operate the transponder for a period of 4-6 years. However, with the expansion of these facilities, it appears that over the years the amount of lithium to destroy has become a crucial problem for the environment. Nowadays designing a completely autonomous DSRC transponder is not feasible, since the amount of energy required is still high (8 mA/3.6 V active mode). Nevertheless, reducing the transponder electrical power consumption, as a solution to at least double the battery life, could be a good start point to improve environment protection.In this thesis we propose a new DSRC transponder with an original statechart that considerably reduces the power consumption. After validation of the new low-power consumption mode, we studied the possibility to recharge the battery of the transponder by means of Wireless Energy Harvesting. The DSRC Toll Collection RF link budget was carried out in order to estimate the amount of energy available when a car with a transponder passes through a toll system. However, RF link budget at 5.8 GHz presents a low power density, since the car does not stay enough on the DSRC antenna's field to proceed to energy harvesting. Therefore we explored another ISM frequency, the 2.45 GHz. Thus the Wireless Energy Harvesting chapter aims to further the state of the art through the design and optimization of a novel RF harvesting board design. We demonstrated that an optimum RF-DC load is required in order to achieve high RF-DC conversion efficiency. Several rectifiers and rectennas were prototyped in order to validate the numerical studies. Finally, the results obtained in this thesis are in the forefront of the State-of-the-Art of Wireless Energy Harvesting for very low available power density
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Audience Level
Audience Level
  Kids General Special  
Audience level: 0.58 (from 0.48 for RAWCON 200 ... to 0.97 for Local loss ...)

Alternative Names
Ke Wu Canadees ingenieur

Ke Wu Canadian engineer

Ke Wu enginyer canadenc

Ke Wu ingeniero canadiense

Ke Wu innealtóir Ceanadach

Ke Wu inxenieru canadianu

Ke Wu inxhinier kanadez

Ke Wu kanadischer Ingenieur

كيه وو مهندس كندي