Báo cáo hóa học: " Research Article Particle Filter with Integrated Voice Activity Detection for Acoustic Source Tracking" pot

... Signal Processing Volume 2007, Article ID 50870, 11 pages doi:10.1155/2007/50870 Research Article Particle Filter with Integrated Voice Activity Detection for Acoustic Source Tracking Eric A. Lehmann ... 2006. [22] E. A. Lehmann and A. M. Johansson, “Experimental perfor- mance assessment of a particle filter with voice activity data fusion for acoustic spe...

Ngày tải lên: 22/06/2014, 23:20

... of the speech and noise sources, which allows for an estimation of the desired clean speech component. The algorithm relies on a voice activity detection (VAD) mechanism for estimation of the second- order ... 2010, Article ID 840294, 12 pages doi:10.1155/2010/840294 Research Ar ticle The Effect of a Voice Activity Detector on the Speech Enhancement Performance of the Binaur...

Ngày tải lên: 21/06/2014, 08:20

... adopts the constant velocity model, SIR particle filter (SIR PF) is with 1000 particles, and RBPF using stream field-based motion model (RBPF-SF) with 1000 particles. Ta ble 1 and Figure 9 summarize ... the Kalman Filter: Particle Filters for Tracking Applications,ArtechHouse, Boston, Mass, USA, 2004. [6] M.S.Arulampalam,S.Maskell,N.Gordon,andT.Clapp,“A tutorial on particle filters...

Ngày tải lên: 21/06/2014, 20:20

... mixture com- ponents for the acoustic transfer function, the localization accuracy is improved. We can expect that the GMM for the acoustic transfer function is effective for carrying out localization ... mm Microphone Sound source Figure 4: Experiment room environment for simulation. After calculating the frame sequence data of the acoustic transfer function for all training...

Ngày tải lên: 21/06/2014, 22:20

... Corporation Boundary Value Problems Volume 2008, Article ID 735846, 14 pages doi:10.1155/2008/735846 Research Article Global Existence and Uniqueness of Strong Solutions for the Magnetohydrodynamic Equations Jianwen ... following compatibility conditions hold for the initial data: λu 0xx −  Rρ γ 0  1 2   b 0   2  x  ρ 1/2 0 f for some f ∈L 2 Ω, 1.9 μw 0xx  b 0x  ρ 1/...

Ngày tải lên: 22/06/2014, 06:20

... transmission u → v (therefore, these nodes belong in S v ∪{v}−{u})in time slot i for which i/ ∈ Ω χ (therefore, these nodes belong in O c i,u →v ) and for which nodes the most recent attempt for transmission ... P D increases with λ and P P is significantly higher than P D . The system throughput under the A-Policy (P A )forlargevaluesofp (e.g., p = 1.0) appears not to be a good choice...

Ngày tải lên: 22/06/2014, 19:20

... in PP. For example, a node with 8 normal and a single super particle consisting of 10 particles, would have a total of 18 PIDs. Using super particles will gradually reduce the number of particles ... batched in a single super particle. The super particle which is the aggregation of all the particles on the node has a new PID that is known to the PP processes. The super particle ca...

Ngày tải lên: 21/06/2014, 17:20

... modulus are unstable. We begin with the case of an eigenvalue λ 1 of maximal modulus with multiplicity 2. For each N ∈ N,N>1, one may consider the solution with initial conditions x 0 ,y 0  λ 2 1 − ... solution, which occurs for α 2  β 2  0 and therefore these cases will be neglected. Since we will not assume nonnegativeness for neither the coefficients nor the initial co...

Ngày tải lên: 21/06/2014, 05:20

... ransmit- ted waveforms. We show the performance of zero forcing (ZF), minimum mean squared error (MMSE) and sequence detection based receivers with S RRC pulse shapes and show that the performance is ... scheme like VBLAST with the proposed scheme is shown in Table 3. The main source of complexity increase is shown along with the performance gain. The performance gain is shown for...

Ngày tải lên: 21/06/2014, 05:20

... nonexpansive. Furthermore, for x ∈ H and u ∈ C, u  p c x, ⇔x − u, u − y≥0, for all y ∈ C. It is widely known that H satisfies Opial’s condition 11, that is, for any sequence {x n } with x n x, the ... y   , 2.2 holds for every y ∈ H with y /  x. In order to solve the equilibrium problem for a bifunction φ : C × C → R, let us assume that φ satisfies the following conditi...

Ngày tải lên: 21/06/2014, 05:20