Báo cáo hóa học: "Research Article Residue Number System Arithmetic Assisted Coded Frequency-Hopped OFDM" ppt

... Communications and Networking Volume 2009, Article ID 263695, 11 pages doi:10.1155/2009/263695 Research Article Residue Number System Arithmetic Assisted Coded Frequency-Hopped OFDMA Dalin Zhu and ... according to the RNS arithmetic. For practical OFDMA cellular systems, the proposed “bottom-up” approach is more feasible. For example, in downlink OFDMA cellular systems, a fi...

Ngày tải lên: 21/06/2014, 23:20

... Corporation EURASIP Journal on Advances in Signal Processing Volume 2009, Article ID 694850, 5 pages doi:10.1155/2009/694850 Research Article Determining Number of Independent Sources in Undercomplete Mixture Ganesh ... analysis (ICA) requires prior knowledge of the number of independent sources. Performing ICA when the number of recordings is greater than the number of sources ca...

Ngày tải lên: 21/06/2014, 19:20

... Journal of Infrastructure Systems, vol. 11, no. 3, pp. 154–164, 2005. [6] M. T. Obaidat and S. A. Al-kheder, “Integration of geo- graphic information systems and computer vision systems for pavement ... input neurons number, let P (P ∈ R l ) be the input feature vector, let m be the number of hidden neurons, Z (Z ∈ R m ) be the middle hidden feature vector, let n be the output neurons num...

Ngày tải lên: 21/06/2014, 05:20

... transmit antennas of a virtual transmitter, then the whole system can be viewed as a MIMO system. This system is also known as the virtual MIMO system [5 ]. Carrier frequency offset (CFO) is caused ... multiuser MIMO-OFDM system grows exponentially with the number of users [15, 16]. A low-complexity algorithm was proposed in [16] for CFO estimation in the uplink of multiuser MIMO OF...

Ngày tải lên: 21/06/2014, 05:20

... phase parameters, J(b) was minimized by iterating the BFGS algorithm up to some maximum number of steps. The maximum number of steps was set to values 4, 6, 8, 10, 14, 20, and 26 respectively and for ... APA method, denoted by APA1, the number of phase iterations for the minimization of f b (b) was taken as the half of that used for minimization of J(b). The number of alternating cycl...

Ngày tải lên: 21/06/2014, 06:20

... Publishing Corporation Fixed Point Theory and Applications Volume 2010, Article ID 107182, 7 pages doi:10.1155/2010/107182 Research Article Intuitionistic Fuzzy Stability of a Quadratic Functional Equation Liguang ... the stability problems of several functional equations have been extensively investigated by a number of authors. Using the idea of intuitionistic fuzzy metric spaces intr...

Ngày tải lên: 21/06/2014, 07:20

... Inequalities and Applications Volume 2010, Article ID 543061, 17 pages doi:10.1155/2010/543061 Research Article Solvability Criteria for Some Set-Valued Inequality Systems Yingfan Liu Department of Mathematics, ... regarding these inequality systems are obtained. 1. Introduction Arising from considering some multivalued von Neumann model, this paper aims to study three set-valued inequali...

Ngày tải lên: 21/06/2014, 07:20

... Davis laws of large numbers,” Journal of Mathematical Analysis and Applications, vol. 248, no. 1, pp. 233–246, 2000. 5 C. C. Heyde, “A supplement to the strong law of large numbers,” Journal ... Corporation Journal of Inequalities and Applications Volume 2010, Article ID 972324, 9 pages doi:10.1155/2010/972324 Research Article Second Moment Convergence Rates for Uniform Empirical Proces...

Ngày tải lên: 21/06/2014, 07:20

... measurement system. There are many types of omnidirectional vision system, which based on rotating cameras, fish-eye lens or mirrors. This paper is mainly concerned with the omnidirectional vision systems ... dA Figure 7: The geometry to derive spatial resolution of catadioptric system. time; (3) a uniform Gaussian sphere coordinate system is presented for image capturing, 3D matching,...

Ngày tải lên: 21/06/2014, 08:20

... Publishing Corporation Advances in Difference Equations Volume 2010, Article ID 261290, 11 pages doi:10.1155/2010/261290 Research Article The Relational Translators of the Hyperspherical Functional ... 2010 Academic Editor: Roderick Melnik Copyright q 2010 Dusko Letic et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestric...

Ngày tải lên: 21/06/2014, 11:20