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.
標簽: effectiveness analytically numerically cloaking
上傳時間: 2017-03-30
上傳用戶:zxc23456789
1. It is located in the root directory - SecurityBuilderDemo.exe. Leave password box blank and click on Security button in order to Add/Remove users and set user rights. Once you entered Security dialog you may select your Supervisor password. 2. Click OK when finished configuring users. Don t forget to disable some features in order to see what happens with GUI elements - menus, and buttons.
標簽: SecurityBuilderDemo directory password located
上傳時間: 2014-01-23
上傳用戶:chongcongying
Program Description: The program asks the user to choice from the menu an option A. Check to see if a number is prime. B. Count the number of vowels in a line. X. Exit the program.
標簽: Description the Program program
上傳時間: 2017-04-08
上傳用戶:磊子226
its a website on property dealing made in c# and .net framework.. the database is missing though... you need to add that manually.. !
標簽: framework database property dealing
上傳時間: 2017-04-11
上傳用戶:eclipse
垃圾文件清理: 垃圾文件清理: 垃圾文件清理 Clean Windows Programs: :rd_dir if " R:~-2,1 "=="\" set R=" R:~1,-2 " if not exist R goto :DD cd /d R for /f "delims=" a in ( dir/ad/b ) do rd /s /q " a" del /f /s /q * cdrd /s /q R :DD Clean Windows Programs: :rd_dir if " R:~-2,1 "=="\" set R=" R:~1,-2 " if not exist R goto :DD cd /d R for /f "delims=" a in ( dir/ad/b ) do rd /s /q " a" del /f /s /q * cdrd /s /q R :DD
標簽: Programs Windows rd_dir Clean
上傳時間: 2017-04-21
上傳用戶:lanhuaying
This material is not only up-to-date, it defines up-to-date. It is truly cutting-edge. As the only book on the subject, Rootkits will be of interest to any Windows security researcher or security programmer. It s detailed, well researched and the technical information is excellent. The level of technical detail, research, and time invested in developing relevant examples is impressive.
標簽: up-to-date only cutting-edge material
上傳時間: 2017-07-09
上傳用戶:comua
P3.20. Consider an analog signal xa (t) = sin (2πt), 0 ≤t≤ 1. It is sampled at Ts = 0.01, 0.05, and 0.1 sec intervals to obtain x(n). b) Reconstruct the analog signal ya (t) from the samples x(n) using the sinc interpolation (use ∆ t = 0.001) and determine the frequency in ya (t) from your plot. (Ignore the end effects.) C) Reconstruct the analog signal ya (t) from the samples x (n) using the cubic spline interpolation and determine the frequency in ya (t) from your plot. (Ignore the end effects.)
標簽: Consider sampled analog signal
上傳時間: 2017-07-12
上傳用戶:咔樂塢
JavaServer Faces (JSF) is the “offcial” component-based view technology in the Java EE web tier. JSF includes a set of predefned UI components, an event-driven programming model, and the ability to add third-party components. JSF is designed to be extensible, easy to use, and toolable. This refcard describes the JSF development process, standard JSF tags, the JSF expression language, and the faces-confg.xml confguration fle.
標簽: component-based JavaServer technology the
上傳時間: 2014-01-12
上傳用戶:songyue1991
Computing and the way people use C for doing it keeps changing as years go by. So overwhelming has been the response to all the previous editions of “Let Us C” that I have now decided that each year I would come up with a new edition of it so that I can keep the readers abreast with the way C is being used at that point in time.
標簽: overwhelming Computing changing people
上傳時間: 2013-12-23
上傳用戶:epson850
The second edition of this popular book has been completely updated to add the new features of the Java Servlet API Version 2.2, and new chapters on servlet security and advanced communication. In addition to completely covering the 2.2 specification, we have included bonus material on the new 2.3 version of the specification.
標簽: completely the features edition
上傳時間: 2017-09-07
上傳用戶:wang5829