Antennas for Portable Devices doc
... http://www.simpopdf.com ANTENNAS FOR PORTABLE DEVICES Zhi Ning Chen Institute for Infocomm Research Singapore Simpo PDF Merge and Split Unregistered Version - http://www.simpopdf.com 2 Handset Antennas Brian ... always outperforms the PC card version. This chapter emphasizes practicality by extensive measure- ments and using actual laptop antennas. Chapter 5 introduces the anten...
Ngày tải lên: 27/06/2014, 00:20
... this in- terface in Ogg Theora format 1 can be viewed at http://www.cs.cmu.edu/˜dhuggins/touchcorrect.ogg. 1 For Mac OS X: http://xiph.org/quicktime/download.html For Windows: http://www.illiminable.com/ogg/downloads.html 18 3 ... (O T 1 ) = α t (w)β t (w) P (O T 1 ) This algorithm has a straightforward extension to trigram language models which has been omitted here for simplicity. Thi...
Ngày tải lên: 20/02/2014, 09:20
... price; Build Mobile Websites and Apps for Smart Devices (www.sitepoint.com) Build Mobile Websites and Apps for Smart Devices6 Chapter 2 Design for Mobile Before we leap into designing our application, ... and Apps for Smart Devices (www.sitepoint.com) Build Mobile Websites and Apps for Smart Devices4 Figure 2.13. Viewing a single Star The detail view for a star is basicall...
Ngày tải lên: 17/03/2014, 21:21
Short for Portable Document Format, a file format developed by Adobe Systems
... rotation, and conforms to the formula in the previous table. Transformations can be defined in terms of a transform matrix. Such a matrix is stored in a trans- form variable. For example: transform t ; ... familiar for loop' of all programming languages. for i=0 step 2 until 20 : draw (0,i) ; endfor ; As explained convincingly in Niklaus Wirth's book on algorithms and datastruct...
Ngày tải lên: 15/04/2014, 14:26
Báo cáo hóa học: " Editorial Smart Antennas for Next Generation Wireless Systems" docx
... and the ex- pected performance is evaluated by means of initial proto- typing of a precision coupler circuit for a 2 × 2array. The design of uniform rectangular arrays for MIMO communication ... systems. For such purposes two optimisation criteria are considered: one based on the minimization of the average interference power at the out- put of a conventional beamformer, for which a c...
Ngày tải lên: 22/06/2014, 00:20
Báo cáo hóa học: " Research Article Optimal and Approximate Approaches for Deployment of Heterogeneous Sensing Devices" docx
... at different time(s), and therefore en- hance the overall coverage performance. For example, cov- erage performances of 5340 and 5000 coverage units are ob- served for 10% state-switching by GA ... outperform the simulated annealing algorithm in terms of the objective func- tion. On average, the recorded objective performance for the SA algorithm is almost 96% of the genetic algorithm pe...
Ngày tải lên: 22/06/2014, 19:20
Báo cáo hóa học: " Editorial Embedded Systems for Portable and Mobile Video Platforms" docx
... accelerator architectures for the most computa- tionally demanding algorithms of MPEG-4 encoding, name- ly motion estimation and the forward/inverse discrete-cosine transforms, integrating shape-adaptive ... and is thus a suitable framework in which to de- velop motion estimators for portable, mobile, and battery- supplied devices. Kristof Denolf et al. consider the design methodology...
Ngày tải lên: 22/06/2014, 19:20
Báo cáo hóa học: " Towards a Fraud-Prevention Framework for Software Defined Radio Mobile Devices" doc
... Although SDR mobile devices are constrained by nature, encryption and decryption operations are only executed for small pieces A Fraud-Prevention Framework for SDR Mobile Devices 405 Table 3: ... L.B.Michael,M.J.Mihaljevic,S.Haruyama,andR.Kohno, “A framework for secure download for software-defined ra- dio,” IEEE Commun. Mag., vol. 40, no. 7, pp. 88–96, 2002. [5] C. Castelluccia an...
Ngày tải lên: 23/06/2014, 00:20
Batteries in a Portable World: A Handbook on Rechargeable Batteries for Non-Engineers docx
... household batteries; suitable for low-power applications. Its limited cycle life is compensated by low self-discharge, making this battery ideal for portable entertainment devices and flashlights. ... lowest energy density. For the purpose of analysis, we use the term ‘sealed lead acid’ to describe the lead acid batteries for portable use and ‘valve regulated lead acid’ for...
Ngày tải lên: 27/06/2014, 14:20