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Scan impedance of RSW microstrip antennas in a finite array

IEEE Transactions on Antennas and Propagation, 2005
Scan impedances of finite reduced surface wave (RSW) arrays are studied. Center element scan impedances of linear arrays and two-dimensional (2-D) square lattice arrays are calculated and compared with those of conventional microstrip arrays. Results show that compared with conventional microstrip arrays, broadside scan impedance of RSW arrays has less
David R Jackson   +2 more
exaly   +2 more sources

A Case Study of Reinforced Self-Supported Retaining Wall (RSW)

Applied Mechanics and Materials, 2013
With increasing land prices and a lack of space in urban areas, urban construction sites are requiring deeper and larger excavations. For this reason, excavation is becoming more important. With deeper excavation, the retaining wall system needs to be adjusted, and a support system for retaining walls needs to be established so that the construction ...
Gwang-Hee Kim   +2 more
exaly   +2 more sources

Effect of Gap on AHSS RSW Weldability

SAE Technical Paper Series, 2009
<div class="htmlview paragraph">When a gap exists in a resistance spot welded (RSW) joint, the lack of intimate contact between the members at the faying interface can have a significant influence on sheet steel spot weldability, especially for advanced high strength steels.
Wenkao Hou   +2 more
openaire   +1 more source

On Computer Simulation Models of RSW Process

2009 International Conference on Computer Engineering and Technology, 2009
Due to its high complicacy and transitoriness and closeness, resistance spot welding (RSW), which is widely employed as a major sheet metal joining technology in automotive industry, has attracted specific attentions for computer simulations since last century. In this paper, four major RSW numerical models, namely thermal model, electro-thermal model,
Haining Zheng, Yongbing Li
openaire   +1 more source

A via-loaded annular-ring RSW antenna

2008 IEEE Antennas and Propagation Society International Symposium, 2008
Microstrip antennas excite surface waves and produce lateral radiation, and these fields deteriorate the radiation pattern due to diffraction and also couple with neighboring patches in an array environment. Recently, microstrip antennas denoted as ldquoreduced-surface-waverdquo (RSW) antennas were developed that minimize the surface-wave excitation ...
V. Shete, D.R. Jackson, J.T. Williams
openaire   +1 more source

Multimedia Communication: RSW Control Protocol and IAX

2008 International Symposium on High Capacity Optical Networks and Enabling Technologies, 2008
Multimedia communication has become basic necessity of internet users. It has become more and more relevant in distributed environments. There are many protocols available in IP telecommunication world for signaling and control of Internet telephone calls.
Manjur S Kolhar   +3 more
openaire   +1 more source

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