Báo cáo hóa học: " Research Article Rain Attenuation at 58 GHz: Prediction versus Long-Term Trial Results" docx
... rain attenuation and on polarization dependence of rain attenuation at 58 GHz. ACKNOWLEDGMENTS The work on recording and processing of both rainfall in- tensity data and rain attenuation data ... Corporation EURASIP Journal on Wireless Communications and Networking Volume 2007, Article ID 46083, 7 pages doi:10.1155/2007/46083 Research Article Rain Attenuation at 5...
Ngày tải lên: 22/06/2014, 19:20
... rain attenuation and on polarization dependence of rain attenuation at 58 GHz. ACKNOWLEDGMENTS The work on recording and processing of both rainfall in- tensity data and rain attenuation data ... Corporation EURASIP Journal on Wireless Communications and Networking Volume 2007, Article ID 46083, 7 pages doi:10.1155/2007/46083 Research Article Rain Attenuation at 5...
Ngày tải lên: 22/06/2014, 22:20
... Attenuation Gaseous attenuation due to oxygen and attenuation due to rain are the dominant contributors to excess attenuation on the link path from the transmitter to the receiver. Water va- por attenuation ... and prediction of rain- induced bistatic scattering at 60 GHz. The bistatic radar equation together with Mie theory is applied as the basis for calculating the scatter...
Ngày tải lên: 22/06/2014, 19:20
Báo cáo hóa học: "Research Article PAPR and the Density of Information Bearing Signals in OFDM" docx
... contribution to the mathematical under- standing of peak-to-average power ratio and, in particular, tone reservation. We have shown that tone reservation is inherently related to such mathematical areas ... densit y that violates the norm relation. Compare t his conjecture with the following observation. Paley’s Theorem (Theorem I.B.24 in [15]) states th at there exists a constant C such th...
Ngày tải lên: 21/06/2014, 05:20
Báo cáo hóa học: " Research Article Lyapunov Stability of Quasilinear Implicit Dynamic Equations on Time Scales" docx
... and t ∈ noting that t 0, Hindawi Publishing Corporation Journal of Inequalities and Applications Volume 2011, Article ID 979705, 27 pages doi:10.1155/2011/979705 Research Article Lyapunov Stability ... occur in a natural way of using discretization techniques for solving DAEs and partial differential-algebraic equations, and so forth, which have already attracted much attention from re...
Ngày tải lên: 21/06/2014, 05:20
Báo cáo hóa học: " Research Article Constant False Alarm Rate Sound Source Detection with Distributed Microphones" docx
... sums at nonsource locations, which leads to noise coherence, distribution skewness, and false target identification. The coherent sums in this case relate to the spatial coherence length, in that ... a random variable associated with the differential path lengths for location r i .Itcanbeshown that for Gaussian distributed differential path lengths with standard deviation σ Δ and mean zero, .....
Ngày tải lên: 21/06/2014, 06:20
Báo cáo hóa học: " Research Article Lagrangian Stability of a Class of Second-Order Periodic Systems" docx
... Value Problems 3 where c is a constant. Note that here and below we always use c to indicate some constants. Assume that there exists σ ∈ 0,α− 1 such that x k ∂ kl F x, t ∂x k ∂t l ≤ ... p-Laplacian-type differential equations of the form 1.9.Themain idea is similar to that in 6. We will assume that the functions F and e have some parities such that the differenti...
Ngày tải lên: 21/06/2014, 07:20
Báo cáo hóa học: " Research Article Complexity-Aware Quantization and Lightweight VLSI Implementation of FIR Filters" docx
... quantization level. Hence, the new SF exploration avoids the possibility of stepping through multiple candidates with ident ical quantization results or missing any candidate that has new quantization ... because the quantization result cannot be improved an ymore. Note that the approximation strategy can strongly affect the quantization quality. We will show in Section 5 that approximation wi...
Ngày tải lên: 21/06/2014, 07:20
Báo cáo hóa học: "Research Article A Decentralized Approach for Nonlinear Prediction of Time Series Data in Sensor Networks" pptx
... ψ ∗ (·)definedon X that best models the spatial temperature distribution. The latter is learned from the information coupling sensor locations and measurements. The information from the n sensors located at x i ∈ ... circular heat sources dissipating 20 W. In order to estimate the spatial distribution of temperature at any location, 100 sensors were randomly deployed according 10 −2 10 −1...
Ngày tải lên: 21/06/2014, 17:20
Báo cáo hóa học: " Research Article Joint NC-ARQ and AMC for QoS-Guaranteed Mobile Multicast" docx
... in information theory which has attracted a lot of research interests. The original idea of NC is to allow the information received from multiple senders to be combined at some intermediate nodes ... limits the transmission data rate under the desired Quality-of-Service (QoS) constraints. If Automatic Repeat reQuest (ARQ) schemes are applied, the selection of Adaptive Modulation and Codin...
Ngày tải lên: 21/06/2014, 17:20