Báo cáo hóa học: " Efficient Fast Stereo Acoustic Echo Cancellation Based on Pairwise Optimal Weight Realization Technique" docx

... Corporation EURASIP Journal on Applied Signal Processing Volume 2006, Article ID 84797, Pages 1–15 DOI 10.1155/ASP/2006/84797 Efficient Fast Stereo Acoustic Echo Cancellation Based on Pairwise Optimal ... Accepted 4 October 2005 In stereophonic acoustic echo cancellation (SAEC) problem, fast and accurate tracking of echo path is strongly required for stable ech...

Ngày tải lên: 22/06/2014, 23:20

... stimulation-inhibition data without dynamic information. The concept is based on the functional network re- engineering concept (as described above), but the focus is on the development of additional ... representation of the activation function F . We will now show that the algebraic structure of the coefficients contains structural information regarding the interaction of functional pa...

Ngày tải lên: 21/06/2014, 02:20

... estimation of area is based on an area characteriza- tion of the available operations and on an estimation of the needed number of operations (e.g., ADD, MUL). The area consumption of an opera tion ... generation of the verification paths is presented by Poole [26] based on a modified depth-first search through the CFG. Definition 4 (control orientation metrics). The control ori- entati...

Ngày tải lên: 22/06/2014, 22:20

... minor modifi- cations. 2. BACKGROUND DECT is used to provide wireless-in-local-loop (WLL) based telephony in many developing countries. In India, about one million telephone connections are currently ... phase estimation algo- rithms. Further, in mDECT-SB, instead of a 16-symbol bi- nary synchronization word, a new 8-symbol complex syn- chronization word (see Section 8) is proposed. A second...

Ngày tải lên: 22/06/2014, 22:20

... Msps/W. 7. CONCLUSION Σ-Δ modulation offers high resolution and simplified hard- ware implementation making it suitable for various signal processing applications. In this paper, theory formulation of an ... comparison of FPGA im- plementations among various architectures is given in Sec- tion 6.4. 6.1. FPGA implementation of Kalman demodulator In this experimentation, the FPGA design and simul...

Ngày tải lên: 22/06/2014, 23:20

... optimizations, we achieve a 65% reduction on the execution time and a 67% reduction on the memory storage requirement for the minutiae extraction process, compared against the reference implementation. ... operations. The second step consists of identifying the computation bottle- necks and designing acceleration units for it. The third step consists of the memory optimization. 4.1. Minut...

Ngày tải lên: 22/06/2014, 23:20

... of a DCT-IV -based fast algo- rithm for the ELT is expected. A key point to the fast ELT im- plementation is the fact that the PR conditions imply an or- thogonal butterfly implementation. In order ... ideas, fast implementation structures for SMFBs are developed in Section 3. Section 4 gives the computational complexity cal- culations, in terms of the number of multiplications and a d-...

Ngày tải lên: 22/06/2014, 23:20

... 2005 The bidirectional decision feedback equalizer (DFE) performs two equalizations, one on the received signal and one on its time- reversed version. In this paper, we apply the bidirectional DFE to ... Transactions on Communications,vol.53,no.2, pp. 214–218, 2005. [14] J. Balakrishnan and C. R. Johnson Jr., “Time-reversal diversity in decision feedback equalization,” in Proceedings of...

Ngày tải lên: 22/06/2014, 23:20

... components, namely fast intraprediction mode selection, motion vector reestimation and intermode selec- tion, and enhanced rate control for H.264/AVC transcoding. The first two components focus on ... “A new diamond search algorithm for fast blockmatching motion estimation,” IEEE Transaction on Image Processing, vol. 9, pp. 287–290, 2000. [17] B. Jeon and J. Lee, Fast mode decision fo...

Ngày tải lên: 22/06/2014, 23:20

... output SNR. In contrast, the SVD -based or the conventional V-BLAST -based methods lead to two subchan- nels with unbalanced gains. For the systems with a fixed symbol constellation across al l the ... communications,” IEEE Transactions on Signal Processing, vol. 53, no. 11, pp. 4283–4294, 2005. [10] J K. Zhang, A. Kav ˇ ci ´ c, and K. M. Wong, “Equal-diagonal QR decomposition and its appl...

Ngày tải lên: 22/06/2014, 23:20