Báo cáo hóa học: " Research Article Multichannel Coding of A

Báo cáo hóa học: " Research Article Multichannel Coding of Applause Signals Gerard Hotho, Steven van de Par, and Jeroen Breebaart" doc

... pages doi:10.1155/2008/531693 Research Article Multichannel Coding of Applause Signals Gerard Hotho, Steven van de Par, and Jeroen Breebaart Dig ital Signal Processing Group, Philips Research, High Tech ... audio coders analyse at the encoder side and reinstate at the decoder side. Time and intentensity diﬀerences between channels are estimated, encoded, an...

Ngày tải lên : 22/06/2014, 19:20

9
261
0

Báo cáo hóa học: " Research Article Perceptual Coding of Audio Signals Using Adaptive Time-Frequency Transform" pot

... for wideband audio signals. The proposed approach demon- strated the application of adaptive time-frequency transform for audio coding and the development of a novel psychoa- coustics model adapted ... intro- ducedinthenumberofTFfunctionsrequiredtomodelasig- nal is one of the highlig hts of using ATFT. Hence, we choose to present comparison of the coders in the VBR mode. The re...

Ngày tải lên : 22/06/2014, 19:20

14
221
0

báo cáo hóa học:" Research Article Dynamical Analysis of a Delayed Predator-Prey System with Birth Pulse and Impulsive Harvesting at Different Moments" pdf

... xt is the density of the population. d is the death rate. The population is birth pulse as intrinsic rate of natural increase and density dependence rate of predator population are denoted by ... the choice of q is independent of the positive solution, and we proved that any positive solution of 2.3 satisﬁes x 2 t ≥ q for all suﬃciently large t. This completes the proof...

Ngày tải lên : 21/06/2014, 11:20

15
289
0

Báo cáo hóa học: " Research Article Performance Evaluation of WiMAX Broadband from High Altitude Platform Cellular System and Terrestrial Coexistence Capability" ppt

... Communications and Networking Volume 2008, Article ID 348626, 9 pages doi:10.1155/2008/348626 Research Article Performance Evaluation of WiMAX Broadband from High Altitude Platform Cellular System and Terrestrial Coexistence ... the desired directions and decrease the power radiated towards undesired directions, on both the HAP and ground user. Antenna models are presented in...

Ngày tải lên : 21/06/2014, 23:20

9
324
0

Báo cáo hóa học: " Research Article The Method of Subsuper Solutions for Weighted p r -Laplacian Equation Boundary Value Problems" doc

... the de nition of t 0 ,sout ≤ βt, for any t ∈ T 1 ,T 2 . 3. Proofs of main results In this section, we will deal with the proofs of main results. Proof of Theorem 1.1. From Lemmas 2.5 and ... of Inequalities and Applications, vol. 2008, Article ID 279306, 8 pages, 2008. 18 V. V. Zhikov, “Averaging of functionals of the calculus of variations and elasticity theo...

Ngày tải lên : 22/06/2014, 03:20

19
357
0

Báo cáo hóa học: " Research Article Network Coding-Based Retransmission for Relay Aided Multisource Multicast Networks" pot

... feedback from the destinations, the relay knows what destinations are waiting for the lost packets to be retransmitted and then decides how to combine and forward the data to the intended destinations. ... diﬀerent sources to the destinations. To achieve the best performance, multiuser detection (MUD) techniques, such as optimum detector, linear decorrelating detector, decision-feedback d...

Ngày tải lên : 21/06/2014, 05:20

10
356
1

Báo cáo hóa học: " Research Article The Effect of a Voice Activity Detector on the Speech Enhancement Performance of the Binaural Multichannel Wiener Filter" ppt

... statistics of speech and noise were calculated using the entire signal of 8 seconds of which about 2 seconds were noise. It is likely that head movement and movement of noise sources will degrade algorithm ... IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP ’99) , pp. 2965–2968, March 1999. [7]T.VanDenBogaert,T.J.Klasen,M.Moonen,L.VanDeun, and...

Ngày tải lên : 21/06/2014, 08:20

12
505
0

Báo cáo hóa học: " Research Article Cooperative Coding and Caching for Streaming Data in Multihop Wireless Networks" ppt

... shown in [17], the probability of linear independency is over 99.6% for q = 2 8 , and this is almost independent of N. As such, for the network -coding- based data storage and collection scheme, the ... Our coding scheme enables the combination of only part of the original data segments, and we refer to it as Cooperative Coding and Caching (C 3 ); compre for example Networ...

Ngày tải lên : 21/06/2014, 17:20

10
415
0

báo cáo hóa học:" Research Article Multichannel Texture Segmentation Using Bamberger Pyramids" ppt

... Implementation of the BDFB Using Ladder Str uctures. Given the tree structure of the BDFB, the design of the filter bank devolves to the design of the FFB. In practice, the FFB filters are designed to ... designed independently at each resolution. For instance, the number of subbands and the order of the β i (z) filters can be chosen independently at each resolution. Since the pola...

Ngày tải lên : 21/06/2014, 20:20

15
188
0

Báo cáo hóa học: " Research Article Identiﬁcation of Sparse Audio Tampering Using Distributed Source Coding and Compressive Sensing Techniques" docx

... the decoder side. Therefore, we can perform lossy encoding with side information at the decoder, where the source to be encoded is y and the “noisy” random projections y = Ax play the role of ... of video coding under the name of distributed video coding (DVC), where the source X (pixel values or DCT coeﬃcients) is quantized with 2 J levels, and the J bitplanes are independent...

Ngày tải lên : 22/06/2014, 00:20

12
189
0