Báo cáo hóa học: " Research Article Channel Impulse Response

Báo cáo hóa học: " Research Article Channel Impulse Response Length and Noise Variance Estimation for OFDM Systems with Adaptive Guard Interval" docx

... Communications and Networking Volume 2007, Article ID 24342, 13 pages doi:10.1155/2007/24342 Research Article Channel Impulse Response Length and Noise Variance Estimation for OFDM Systems with Adaptive Guard ... algorithm estimating channel impulse response (CIR) length and noise variance for orthogonal frequency-division multi- plexing (OF...

Ngày tải lên : 22/06/2014, 22:20

13
357
0

Báo cáo hóa học: " Research Article Channel Equalization in Filter Bank Based Multicarrier Modulation for Wireless " doc

... 11: Coded FER and BER performance: (a) 2-PAM/FBMC and QPSK /OFDM; (b) 4-PAM/FBMC and 16-QAM /OFDM; and (c) 8- PAM/FBMC and 64-QAM /OFDM. where N c and Δ f are the number of subcarriers and frequency ... bank with 2M = 128 subchannels can be considered. For 4-PAM and 8-PAM, 2M = 256 subchannels are required to keep the performance beneﬁt with respect to the OFDM refe...

Ngày tải lên : 22/06/2014, 23:20

18
339
0

Báo cáo hóa học: " Research Article Long-Term Propagation Statistics and Availability Performance Assessment for Simulated Terrestrial Hybrid FSO/RF System" pdf

... attenuation due to fog only, fog with snow, fog with rain, and fog with rain and snow. It can be seen in Figure 11. It follows from Figure 11 that both fog with rain events and fog-only events have a ... impact on visibility, while fog with snow events and fog with rain and snow events are insigniﬁcant due to their occurrence for only small percentages of time, and t...

Ngày tải lên : 21/06/2014, 05:20

9
344
0

Báo cáo hóa học: " Research Article Signal Processing by Generalized Receiver in DS-CDMA Wireless Communication Systems with Optimal Combining and Partial Cancellation" docx

... AF and PF. There are two linear systems at the GR front end that can be presented, for e xample, as bandpass ﬁlters, namely, the PF with the impulse response h PF (τ)andtheAFwith the impulse response ... regarding the noise forming at the PF and AF outputs. If the Gaussian noise n(t) comes in at the AF and PF inputs (the GR linear system front end), the noise forming...

Ngày tải lên : 21/06/2014, 05:20

15
421
0

Báo cáo hóa học: " Research Article High-Quality Time Stretch and Pitch Shift Effects for Speech and Audio Using the Instantaneous Harmonic Analysis" pdf

... s ( n ) ∗  2  0.5 0 cos  2πfn  df  = s ( n ) ∗ ⎡ ⎣ L  k=1 2 F s  F k F k−1 cos  2πf n F s  df ⎤ ⎦ = L  k=1 s ( n ) ∗  2 F s h k ( n )  = L  k=1 s k ( n ) , (12) where h k (n)—the impulse response of the band-pass ﬁlter with passband [F k−1 , F k ], s k (n)—bandlimited output signal. The impulse response can be written in the following ... system for making audio and...

Ngày tải lên : 21/06/2014, 08:20

10
465
0

báo cáo hóa học:" Research Article Viscosity Approximation to Common Fixed Points of Families of Nonexpansive Mappings with Weakly Contractive Mappings" docx

... T n x m   0, for all n ∈{1, 2, }. 2 Fixed Point Theory and Applications where x,y ∈ X and ψ : 0, ∞ → 0, ∞ is a continuous and nondecreasing function such that ψt0 if and only if t  0 and lim t ... Analysis. Fixed Point Theory and Its Applications, Yokohama, Yokohama, Japan, 2000. 5 Z. B. Xu and G. F. Roach, “Characteristic inequalities of uniformly convex and uni...

Ngày tải lên : 21/06/2014, 11:20

8
324
0

báo cáo hóa học:" Research Article On the Well Posedness and Reﬁned Estimates for the Global Attractor of the TYC Mod" docx

... Priori Estimates for m, r,ands The a priori estimates for m, r and s are very similar to the estimates for f. We omit the details here and present the results. The truncation for m satisﬁes the ... Problems Volume 2010, Article ID 405816, 29 pages doi:10.1155/2010/405816 Research Article On the Well Posedness and Reﬁned Estimates for the Global Attractor of the TYC Model...

Ngày tải lên : 21/06/2014, 11:20

29
407
0

Báo cáo hóa học: " Research Article Coincidence Point, Best Approximation, and Best Proximity Theorems for Condensing Set-Valued Maps in Hyperconvex Metric Spaces" pptx

... Point Theory and Applications Volume 2008, Article ID 543154, 8 pages doi:10.1155/2008/543154 Research Article Coincidence Point, Best Approximation, and Best Proximity Theorems for Condensing Set-Valued ... A and b 0 ∈ B such that dA, Bda 0 ,b 0 . Therefore, in this case dA, B0 ⇐⇒ A ∩ B /  ∅. 1.7 Let X and Y be topological spaces with A ⊆ X and B ⊆ Y.LetF : X ...

Ngày tải lên : 21/06/2014, 23:20

8
183
0

Báo cáo hóa học: " Research Article Automatic Generation of Spatial and Temporal Memory Architectures for Embedded Video Processing Systems" docx

... Embedded Systems Volume 2007, Article ID 75368, 10 pages doi:10.1155/2007/75368 Research Article Automatic Generation of Spatial and Temporal Memory Architectures for Embedded Video Processing Systems H ˚ akan ... grouping (vertically and horizontally) and dimensional transformation (array widening and array narrowing). Array widening is useful for read-only arrays and...

Ngày tải lên : 22/06/2014, 22:20

10
291
0