We analyze, both analytically and numerically, the effectiveness of cloaking an infinite cylinder from observations by electromagnetic waves in three dimensions. We show that, as truncated approximations of the ideal permittivity and permeability tensors tend towards the singular ideal cloaking fields, so that the anisotropy ratio tends to infinity, the D and B fields blow up near the cloaking surface. Since the metamaterials used to implement cloaking are based on effective medium theory, the resulting large variation in D and B will pose a challenge to the suitability of the field averaged characterization of " and 碌. We also consider cloaking with and without the SHS (softand- hard surface) lining, shown in [6] to be theoretically necessary for cloaking in the cylindrical geometry. We demonstrate numerically that cloaking is significantly improved by the SHS lining, with both the far field of the scattered wave significantly reduced and the blow up of D and B prevented.
标签: effectiveness analytically numerically cloaking
上传时间: 2017-03-30
上传用户:zxc23456789
Creating barcodes in Microsoft庐 Office has never been easier. With BarCodeWiz Toolbar you can add barcodes to Microsoft庐 Office applications with a click of a button. In Microsoft庐 Word, create single barcodes, pages of labels, or mail merge documents. In Microsoft庐 Excel庐, select a range of cells and automatically convert each cell to a barcode. In Microsoft庐 Access庐, create reports with barcodes based on your data tables.
标签: BarCodeWiz Microsoft Creating barcodes
上传时间: 2013-12-18
上传用户:asddsd
Use the crypto module to encrypt sensitive data using a key you generated yourself... This is quite handy with INI files which you can use to get and set data for you applications. You can also check out some dates related to passwords and expiry dates. Send emails using Microsoft Email client. No need to cater for SMTP nor Exchange mail accounts. If you can send email with your outlook, you can send email with your application. Get some windows info with the sysinfoctrls member.
标签: generated sensitive yourself encrypt
上传时间: 2017-04-04
上传用户:yuanyuan123
These are matlab and simulink files to model the membrane crystallization system, including the matlab file to get the optimation point of this system, and 3 simulink files, which are static model and 2 dynamic models. There has PID control and feed forward control for the dynamic models.
标签: crystallization including the simulink
上传时间: 2017-04-13
上传用户:ljt101007
u can get vacation days, u put diaslaborales(first date, last day, working day (*)) (*) 5 monday to friday 5.5 monday to saturday (half day)
标签: diaslaborales day vacation working
上传时间: 2017-04-18
上传用户:小眼睛LSL
A Convex Hull is the smallest convex polygon that contains every point of the set S. A polygon P is convex if and only if, for any two points A and B inside the polygon, the line segment AB is inside P. One way to visualize a convex hull is to put a "rubber band" around all the points, and let it wrap as tight as it can. The resultant polygon is a convex hull.
上传时间: 2013-12-23
上传用户:it男一枚
I was trying to develope a programme to make a slide show of all the pictures of a folder using vb.net. I have spent lot of time in net for searching this but all in vain, I didn t get a simple programme to solve the same and lastly I gave myself a try for the same and developed the code, I have used there a folderbrowserdialogue and a timer with a picture box control and in coding I have used IO name spaces to get the pathe and folder info here is the code. Enjoy Subhankar
标签: programme develope pictures trying
上传时间: 2017-04-24
上传用户:a3318966
YFast is a PHP class developed to use on this blog, it gives you the possibility to use all modern technics of web development (etags, gzip, exipire headers) on your site in a very simple way -- and get A on YSlow.
标签: possibility developed use modern
上传时间: 2013-12-11
上传用户:gut1234567
one of video tool Skype only in windows mobile5.0 more than running, but my task is to let it run Skype in WINCE only in windows mobile5.0 more than running, but my task is to let it run in WINCE . Leave no stone unturned when I can not get windows mobile, they thought would be needed for skype all library files to my WINCE, so perhaps will be able to run skype. 1. Used depend Show skype depends on which files. In fact, not many documents, I can remember only under the following: core.dllcommctr.dllaygeshell.dllhtmlview.dll In addition to htmlview.dll, the other documents in WINCE have (if your system does not, please IMAGE Canada on the corresponding module). Therefore, I find on the Internet htmlview.dll, the results really find
标签: running windows mobile Skype
上传时间: 2014-01-17
上传用户:miaochun888
a great book for those who want to learn about the math behind grapics software. it s a great place to get the fundamentals of graphics
标签: great software grapics behind
上传时间: 2017-06-05
上传用户:璇珠官人