Báo cáo hóa học: " Joint Frequency Ambiguity Resolution and Accurate Timing Estimation in OFDM Systems with Multipath Fading" doc
... y Ambiguity Resolution and Accurate Timing Estimation in OFDM Systems with Multipath Fading Jun Li, 1 Guisheng Liao, 1 andShanOuyang 2 1 National Laboratory of Radar Signal Processing, Xidian ... spacing, and the estimated TO is also prone to exceeding the ISI-free interval within the cyclic prefix (CP). This paper presents a method for joint CFO ambiguity resoluti...
Ngày tải lên: 22/06/2014, 22:20
... 1954–1958, Beijing, China, September 2003. [6] C. Suh, C. S. Hwang, and H. Choi, “Comparative study of time-domain and frequency- domain channel estimation in MIMO -OFDM systems, ” in Proceedings of the ... QAM Channel coding/decoding Turbo coding (R = 1/2, k = 4)/ (FEC) Max-Log-MAP decoding (Iterations =8) Channel interleaving Random interleaving Interpolation in time directio...
Ngày tải lên: 21/06/2014, 20:20
... wFPP. Recently in 2008 Cowell and Kalton 6 studied properties au and au ∗ in a Banach space X, where au coincides with WORT H if X is separable and au ∗ in X coincides with WORTH ∗ in X ∗ if X ... define the property which interests us in this paper, it was given by Garc ´ ıa- Falset and Llor ´ ens Fuster in 1990 7. Hindawi Publishing Corporation Fixed Point Theory...
Ngày tải lên: 21/06/2014, 20:20
Báo cáo hóa học: " Research Article Practical Approaches to Adaptive Resource Allocation in OFDM Systems" docx
... in OFDM- based systems. We study both single- and multiuser systems and show that the single-user system performance can be improved by a suitable power loading and an algorithm based on the in- complete ... Resource Allocation in OFDM Systems N. Y. Ermolova and B. Makarevitch Department of Electrical and Communications Engineering, Helsinki University of Technology,...
Ngày tải lên: 22/06/2014, 19:20
báo cáo hóa học:" Function of anterior talofibular and calcaneofibular ligaments during in-vivo motion of the ankle joint complex" docx
... They demonstrated increased strain in the ATFL with increasing plantarflexion, inversion and internal rotation. Strain in the CFL was found to increase in dorsiflexion and inver- sion. Ozeki et al.[7] investigated ... measure the change in apparent length of the ATFL and CFL, in- vivo, in uninjured healthy ankles during a dorsiflexion-plantarflexion and supination-pro- na...
Ngày tải lên: 20/06/2014, 01:20
Báo cáo hóa học: " Joint Downlink Power Control and Multicode Receivers for Downlink Transmissions in High Speed UMTS" pot
... iteratively in the algorithm de- scribed in the next section. 4. COMBINED DOWNLINK POWER CONTROL AND JOINT MULTICODE RECEIVERS In this section, we propose to combine the downlink power control and the joint ... Ulukus, and A. Ephremides, “Probability one con- vergence in joint stochastic power control and blind MMSE interference suppression,” in Proceedings of 37th Con...
Ngày tải lên: 22/06/2014, 22:20
Báo cáo hóa học: " Time-Frequency Signal Synthesis and Its Application in Multimedia Watermark Detection" potx
... unique properties and advantages of watermarking in joint time- frequency domain. In [15], watermark insertion and extraction are both done in time -frequency domain. In the embedding process, watermark ... watermark applications in joint time -frequency domain. 2. TIME -FREQUENCY DIGITAL WATERMARKING Digital watermarking is the process involving integrating a special m...
Ngày tải lên: 22/06/2014, 23:20
Báo cáo hóa học: " The effects of diabetes and/or peripheral neuropathy in detecting short postural perturbations in mature adults" pptx
... control between individuals with diabetes with- out peripheral neuropathy a nd healthy controls. We reported similar findings using a composite index for measuring quiet standing postural sway ... reliabi lity and validity for determining sensory impairment in peo- ple with diabetes [24,25]. A trained research assistant performed Berg Balance and SWM testing. A trained clinical ne...
Ngày tải lên: 19/06/2014, 08:20
báo cáo hóa học: " Quantification of functional weakness and abnormal synergy patterns in the lower limb of individuals with chronic stroke" pdf
... leads to weakness and discoordination in individuals with acute hemiparetic stroke. IEEE Engineering in Medicine and Biology Society, Cancun, Mexico; 2003. 28. Craig JJ: An Introduction to Robotics: ... seizure, that would inhibit exercise in a standing position. Informed consent was obtained before testing and all protocols were approved by the local institutional review board...
Ngày tải lên: 19/06/2014, 10:20
báo cáo hóa học: " Increased levels of HMGB1 and pro-inflammatory cytokines in children with febrile seizures" pot
... of cytokines in epileptogenesis remains to be elucidated. Cytokines may contribute initi- ally to incite seizures in the developing brain after being induced by seizure or tissue injury, and they ... is induced by pro- inflammatory cytokines during infection, and pro-inflammatory cytokines may trigger the development of febrile seizures. In order to determine whether active inflamma...
Ngày tải lên: 19/06/2014, 22:20