Báo cáo hóa học: " Research Article Underwater Noise Modeling and Direction-Finding Based on Heteroscedastic Time Series" docx

... pages doi:10.1155/2007/71528 Research Article Underwater Noise Modeling and Direction-Finding Based on Heteroscedastic Time Series Hadi Amiri, 1 Hamidreza Amindavar, 1 and Mahmoud Kamarei 2 1 Department ... present the GARCH time series. The proposed noise modeling as the underwater noise and the DOA estimation based on the new noise model is provided...

Ngày tải lên: 22/06/2014, 23:20

... issues in a general position- based tracking system. One is the estimation/prediction of the target position from noisy sensory measurements and the other is the motion control of the tracker to ... 5] to gather traffic information to better understand how traffic knots, and point out the situation in order to reduce conges- tion, minimize emission, decrease fuel consumption, or fos- ter tr...

Ngày tải lên: 22/06/2014, 19:20

... Ishizuka, and T. Nakatani, “A voice activity detection based on the adaptive integration of multiple speech features and a signal decision scheme,” in Proceedings o f IEEE International Conference on ... Station Figure 7: Performance comparison in terms of VuV ER% versus SNR in different noise conditions using noise types other than those used during training. “nonstationary voic...

Ngày tải lên: 21/06/2014, 20:20

... Corporation EURASIP Journal on Wireless Communications and Networking Volume 2011, Article ID 259253, 16 pages doi:10.1155/2011/259253 Research Article QoS-Guaranteed Power Control Mechanism Based on the Frame ... derived from [8, 20] for configuration with one transmitting antenna and varies between 25.8% and 27.6% depending on the selected bandwidth. The system model cont...

Ngày tải lên: 21/06/2014, 05:20

... the optimal decomposition and reconstruction QMF pair for length M = 6andM = 8. n QMF of length = 6QMFoflength= 8 Decomposition Reconstruction Decomposition Reconstruction h[n]g[n] h 1 [n]g 1 [n] ... representation of QMF bank [14, 15], the constrained optimization problem (31) is converted into an unconstrained one. The use of lattice QMF representation for converting the constrained optim...

Ngày tải lên: 21/06/2014, 05:20

... A.M.Neto,L.Rittner,N.Leite,D.E.Zampieri,R.Lotufo ,and A. Mendeleck, “Pearson’s correlation coefficient for discarding redundant information in real time autonomous navigation system,” in Proceedings of the 16th IEEE International Conference on ... International Conference on Computer and Information Technology (CIT ’07), pp. 645–650, October 2007. [45] J. E. Fowler, “Compressive-projec...

Ngày tải lên: 21/06/2014, 05:20

... collusion attack and is further distorted by other attacks such as addition of noise and lossy compression. The addition of noise and lossy compression distort the whole attacked image, not only ... fingerprint sequence, the time consumption is constant. On the other hand, our scheme and Wang’s scheme depend on the number of detected group IDs, and its hierarchical detectio...

Ngày tải lên: 21/06/2014, 05:20

... Xu, C. H. Chang, and C. C. Jong, “Contention resolution—a new approach to versatile subexpressions sharing in multiple constant multiplications,” IEEE Transactions on Circuits and Systems I: Regular ... Systems—Design and Implementation, John Wiley & Sons, New York, NY, USA, 1999. [4]M.Potkonjak,M.B.Srivastava,andA.P.Chandrakasan, “Multiple constant multiplications: efficient and...

Ngày tải lên: 21/06/2014, 07:20

... Estimation. From (9), (12), and (30), it is found that estimating the inverse filters h, t,andc consumes the major computation of crosstalk cancellation filter estima- tion. Thus only the computation ... cancellation filter is designed based on the CAPZ model. Since the CAPZ model has advantages in storage and computation, the proposed method is more efficient than conventional ones. Simul...

Ngày tải lên: 21/06/2014, 08:20

... described in Section 2. We examine the effect of these schemes on energy consumption and network lifetime by incorporating a link quality metric and the communication load distribution based on the empirical ... different tree construction schemes on energy consumption. Then, to obtain the insight into the above trade-off and derive criteria to reach longer network lifetime, the en...

Ngày tải lên: 21/06/2014, 17:20