Báo cáo hóa học: " Research Article Multicarrier Communications Based on the Affine Fourier Transform in Doubly-Dispersive Channels" pot

... introduced in Section 2, followed by the optimal parameters modeling in Section 3. Practical implementation in aeronautical and LMS channels are presented in Section 4. Finally, conclusions are given in Section ... high-spectral efficiency. 1. Introduction The multicarrier system based on the affine Fourier trans- form (AFT-MC), a generalization of the Fourier (FT) and...

Ngày tải lên: 21/06/2014, 07:20

... ∈ APPR  ,X. The following two results on C 0 -semigroup will be used in our investigation, among which the first is due to Ingham see, e.g., 7,Section1 and the second is known as Countable Spectrum Theorem ... DA. In the present paper, we investigate strong stability and asymptotical almost periodicity of the solutions. For more information and related topics about the...

Ngày tải lên: 21/06/2014, 05:20

... pseudocontractive mappings and the class of asymptotically pseudocontractive mappings in the intermediate sense as special cases, Theorem 2.1 improves the corresponding results in Marino and ... asymptotically nonexpansive in the intermediate sense, then T has a fixed point. It is worth mentioning that the class of mappings which are asymptotically nonexpansive in the inter...

Ngày tải lên: 21/06/2014, 05:20

... significantly prolongs the network lifetime without affectingtheQoSofthenetwork. In addition, the adaptation of the transmitted power on the main link improves the secrecy of the network and efficiently ... observation is that, for θ ∗∗ ≡ 1, the processing cost is the main energy cost at the transmitter (the second term dominates the expression in (18)) and therefore t...

Ngày tải lên: 21/06/2014, 05:20

... Journal on Advances in Signal Processing line whereas d n is the length of the considered in- domain disturbed line. To evaluate the impact of the out-of-domain crosstalk, we introduce the following ... the number of bits on each tone for VDSL (bit clipping). The value of Γ includes the nonideality of QAM constel- lation at a given bit error rate, the coding gain and...

Ngày tải lên: 21/06/2014, 08:20

... containing rich information in both the spatial and the spectral domain, and this information can be used to address detection tasks in many applications. In many surveillance applications, the ... resolving memory issues in the cluster- based implementations and optimizing the parallel design of the algorithms in the GPU -based implementations. Regard- ing the cl...

Ngày tải lên: 21/06/2014, 18:20

... compares convergence speed in the first 15000 iterations of the related algorithms. The projection order P = 1. Therefore, the related algorithms degrade into their corresponding NLMS versions. It ... than the NLMS algorithm with only a modest increase in computational complexity. It exploits more information from the input signal, not only the current input vector but also...

Ngày tải lên: 21/06/2014, 20:20

... Variational Inequalities In this section, we will introduce a new system of generalized nonlinear mixed variational inclusions which contains some classes of system of variational inclusions and ... generalized nonlinear mixed variational inclusions. The results in this paper unify, extend, and improve some known results in literature. 1. Introduction Variational inclusion problems ar...

Ngày tải lên: 21/06/2014, 20:20

... (6) ItcanbeseeninFigure 3 that there are large variations in the values of the bins. The bins in the histograms can be ordered according to their size. Small bins will not be contributing significantly to the ... selected to be the training sets. Every training set contains 50 pairs of image (all are different from other training sets); the remaining 944 images in FA and 942...

Ngày tải lên: 21/06/2014, 22:20

... mixing of the interfering sources s int ,asdefinedinSection 2.2. ˘ H int can be defined in a similar way and describes the mixing of the interfering sources introduced by the feedback loop. In the ... efficient binaural configuration combining AFC and BAF is described in Section 2. Generic vector/matrix notations are introduced for each part of the processing chain. Interaction e...

Ngày tải lên: 21/06/2014, 22:20