Báo cáo hóa học: " Blind Synchronization in Asynchronous UWB Networks Based on the Transmit-Reference Scheme" ppt

... Leus, and A J. van der Veen, Blind synchroniza- tion in asynchronous UWB networks based on the transmit- reference scheme,” in Proceedings of 38th Asilomar Conference on Signals, Systems, and Computers ... low-complexity, blind packet synchronization in multiuser TR -UWB systems. Its foremost application could be the fast initial code exchange in multiuser async...

Ngày tải lên: 22/06/2014, 22:20

... neglecting tasks, which is consistent with the description pointed out by the author in the pre- vious section. When using the intersection between the negations of the primitive end-terms as the intermediate ... deterioration in the way they deal with situations owing to their lack of confidence. Within the framework of this theory, we can understand the lessening of...

Ngày tải lên: 20/06/2014, 00:20

... difference plane, the region classification, the edge direction estimation, and the directional interpolation for each green and red/blue channel interpolation. In the following subsections, the way of interpolating ... direction estimation, the diagonal directional edge is considered as the combination of the horizontal and vertical directional edges. According to the deter...

Ngày tải lên: 21/06/2014, 08:20

... textures based on the SSIM index. Furthermore, missing texture reconstruction maximizing the SSIM index can be realized by reformulating the nonconvex problem as a quasi convex problem. Then the proposed method ... patch f . The order of the value M is explained in Section 4. In the reconstruction algorithm shown in the following subsection, the target patch f is r...

Ngày tải lên: 21/06/2014, 08:20

... ···L is the filter number index, k is the frequency bin index, M is the number of frequency bins, n is the frame index in the variance calculation window, W is the number of frames in the variance ... to the mentioned value we can, in such a case, successfully determine the beginning of the speech segment. The whole framework works online. The delay of the syste...

Ngày tải lên: 21/06/2014, 19:20

... sufficient. These facts show the reason for the interest in using subspaces in many applications. 3. Constrained Projection Approximation Subspace Tracking A well-known method for computing the principal ... minimization is the PAST cost function, (5) leads to the signal subspace. In addition, the aforementioned constraint guarantees the orthonormality of the signal subspa...

Ngày tải lên: 21/06/2014, 22:20

... dE) is included in the upper level set N u (E). Let us underline again that the first interlevel sets contain the shading and dark pixels. In opposition, the last ones are likely to contain specular reflection ... sets are included in the corresponding color sets. Theoretically, the RGB components of the pixels belong- ing to a color set N (E) are located along the straigh...

Ngày tải lên: 21/06/2014, 22:20

... rical engineering at the Massachusetts Institute of Technology. His research interests in- clude source coding theory, sampling, quantization, and informa- tion gathering and dispersal in networks. ... systems, information theory, estimation, and control theory. Vivek K Goyal received the B.S. degree in mathematics and the B.S.E. degree in elec- trical engineering (both with hi...

Ngày tải lên: 22/06/2014, 23:20

... distortion. As demonstrated in the analysis in this section and in Section 5, it is the temporal variation in the rotation (i.e., ω(t)), not the amplitude of the rotation, that introduces the severe ... approximation. The trun- cation of the Taylor series is valid only in the limiting case where the fluctuation in the time-varying motion of the tar- get is n...

Ngày tải lên: 22/06/2014, 23:20

... solution to obtain slot synchronization, a solution that is based on synchronization in biological systems. In this method, two synchronization words are used to synchronize: one transmitted by the ... obtained by using the information from the downlink signal, a low-complexity compensation technique for fine carrier frequency synchronization in the uplink is proposed....

Ngày tải lên: 21/06/2014, 22:20