Báo cáo hóa học: " Research Article Burst Format Design for Optimum Joint Estimation of Doppler-Shift and Doppler-Rate in Packet Satellite Communications" ppt
Báo cáo hóa học: " Research Article Burst Format Design for Optimum Joint Estimation of Doppler-Shift and Doppler-Rate in Packet Satellite Communications" ppt
... pagesdoi:10.1155/2007/29086 Research Article Burst Format Design for Optimum Joint Estimation of Doppler-Shift and Doppler-Rate in Packet Satellite CommunicationsLuca Giugno,1Francesca Zanier,2 and Marco Luise21Wiser ... alow-complexity DA Doppler-shift estimator for the optimal2P format. Extensions of this algorithm for joint carrierphase /Doppler-shift and Doppler-rate estimation for the 2P format, the 3P format, and the ... 2P burst format, 3P burst format, and 4P burst format. [12–14], but only for joint carrier phase /Doppler-shift es-timation. The novelty of the paper is to extend the anal-ysis to the joint...
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Báo cáo hóa học: "Research Article Block Iterative Methods for a Finite Family of Relatively Nonexpansive Mappings in Banach Spaces" docx
... denotesthe set of all fixed points of Pi(i = 1,2, ,m). Thus the problem of image recovery in thesetting of Hilbert spaces is a common fixed point problem for a family of nonexpansivemappings.A well-known ... Point Theory and Applications[23] S. Reich, “A weak convergence theorem for the alternating method with Bregman distances,” in Theory and Applications of Nonlinear Operators of Accretive and ... problem of finding acommon fixed point of a finite family of nonexpansive mappings in Banach spaces. Let CbeanonemptyclosedconvexsubsetofaBanachspaceE and let{Ti}mi=1be a finite family of nonexpansive...
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Báo cáo hóa học: " Research Article Ecological Acoustics Perspective for Content-Based Retrieval of Environmental Sounds" ppt
... events:deformation, impact, scraping, and rolling (for solids);explosion, whoosh and wind (for g a s); drip, pour, splash, and ripple (for liquids). We adopt this taxonomy in the present research, and ... database and a method for segmenting field recordings to assist sound design. 1. IntroductionSound designers have traditionally made extensive use of recordings for creating the auditory content of ... annotation of real recordings5 10152025300ImpactImpactImpactScrapingScraping Scraping Scraping ScrapingRollingDripWindWooshExplosionFigure 7: Segmentation of an artificial concatenation of basicevents...
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báo cáo hóa học:" Research Article Weak Convergence Theorems for a Countable Family of Strict Pseudocontractions in Banach Spaces" doc
... Theorems 3.5 and 3.6 extend and improve Theorems 3. 3and3 .4 of Chidume-Shahzad 17 in the following senses:i from real uniformly smooth and uniformly convex Banach spaces to real uniformlyconvex ... toa finite family of strict pseudocontractions by replacing the convex combination of thesemappings in the iteration under suitable conditions. The construction of fixed points for pseudocontractions ... sequence of Hindawi Publishing CorporationFixed Point Theory and ApplicationsVolume 2010, Article ID 632137, 16 pagesdoi:10.1155/2010/632137 Research Article Weak Convergence Theorems for a Countable...
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báo cáo hóa học:" Research Article An Ontological Framework for Retrieving Environmental Sounds Using Semantics and Acoustic Content" pdf
... Chapter of the Association for Computational Linguistics, Pittburgh, Pa,USA, 2001.[23] R. Mandala, T. Tokunaga, and H. Tanaka, “The use of wordnet in information retrieval,” in Proceedings of the ... remaining tags are returned in random order. This is how the approach of training aclassifier for each tag, for example, [7–9] would behave for out of vocabulary tags. From Figures 3(a) and 3(b) ... R. Liu, L. Barrington, and G. Lanckriet, “Agame-based approach for collecting semantic annotations of music,” in Proceedings of the International Symposium on MusicInformation Retrie val (ISMIR...
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báo cáo hóa học:" Research Article New Adaptive Method for IQ Imbalance Compensation of Quadrature Modulators in Predistortion Systems" ppt
... Therefore, one of the most challenging issues in designing PAs is thelinearity requirement. The linearization techniques improvethe linearity of PAs, and among them digital predistortionhas gained ... linearization performance of the MOP PD in the presence of IQ imbalance in terms of convergencebehavior, AM/AM, and AM/PM curves and EVM and ACPRperformances.The performance of the proposed ... between the input and output of the linearized PA. This will demonstratethe IQ imbalance effect on the accuracy of the MOP PD in linearizing the PA and increasing memory effects bythickening the...
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Báo cáo hóa học: "Research Article Advanced Receiver Design for Quadrature OFDMA Systems" doc
... detection and decoding techniques for Q-OFDMA and analyze the performance in Section 3. Finally, wedemonstrate the performance of Q-OFDMA systems usingvarious detection techniques by simulations in ... onthe received signaly and the a priori information of ˘x, thatis, E(˘x)andCov(˘x,˘x). After passing through a demappingmodule, the extrinsic information for each coded bit isdelivered ... Cancellation. In this section, as shown in Figure 3, we propose an iterativereceiver for joint estimation, equalization, and decoding for the Q-OFDMA systems based on the turbo processingprinciple....
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Báo cáo hóa học: " Research Article Implicit Iteration Process for Common Fixed Points of Strictly Asymptotically Pseudocontractive Mappings in Banach Spaces" doc
... mappings, by Lemma 1.5,itisa finite family of uniformly Lipschitzian mappings. Hence, the set F of common fixed points of {Sn} and {Tn} is closed and so x∗∈ F.This completes the proof of ... generalization and improvement of the corresponding results in Osilike et al. 8 and Liu 2 which is also an improvement of the corresponding results in 3, 5–7.The following theorem can be obtained ... Cauchy sequence in C.Letxn→ x∗∈ C. Since limn →∞dxn,F0, and so dx∗,F0. Again, since {Sn} is a finite family of nonexpansive mappings and {Tn}is a finite family of strictly asymptotically...
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Báo cáo hóa học: "Research Article Digital Receiver Design for Transmitted Reference Ultra-Wideband Systems" pptx
... interframe interference (IFI) and no intersymbol interference (ISI). The whole trainingsequence is assumed to be included in the observationwindow without knowing the exact starting point. Due ... reference. The position of the highest peak for each curve in Figure 5 indicates thetiming information and the area around this highest peakis the most interesting part, since it shows the estimatedchannel ... performance of different combinations of channel estimation and equalization schemes and try to find the best combination, that is, the one providing a good tradeoff between complexity and performance.Copyright...
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Báo cáo hóa học: " Research Article An Iterative Soft Bit Error Rate Estimation of Any Digital Communication Systems Using a Nonparametric Probability Density Function" pptx
... pdf of the soft output of the receiver and then calculate the BER by computing theappropriate integral given by (10).However, in a practical situation, the nature of thepdf of the observed random ... classification and speech coding. In this paper, we will focus on the use of the Kernel method and its use for estimating the BER.EURASIP Journal on Wireless Communications and Networking 7By using the ... long computing time depending on thecomplexity of the receiver. In this paper, we suggest a new means of estimating the BER. This method is based on an estimation, in an iterative and nonparametric...
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