Báo cáo hóa học: " Research Article Broadband Beamspace DOA Estimation: Frequency-Domain and Time-Domain Processing " potx

... Advances in Signal Processing Volume 2007, Article ID 16907, 10 pages doi:10.1155/2007/16907 Research Article Broadband Beamspace DOA Estimation: Frequenc y-Domain and Time-Domain Processing Approaches Shefeng ... T s h 11 h 21 h N1 h 12 h 22 h N2 h 1K h 2K h NK  R y R v . . . . . . . . . . . . . . . Narrowband DOA estimator (e.g., MUSIC) (b) Figure 2: Broadband DO...

Ngày tải lên: 22/06/2014, 23:20

... Signal Processing Volume 2009, Article ID 896284, 8 pages doi:10.1155/2009/896284 Research Article 2-D DOA Estimation via Matrix Partition and Stacking Technique Nan-Jun Li, Jian-Feng Gu, and Ping ... between R and JR, it can be similarly shown that rank of JR is K if M +1>K. 3.2. Estimating 2-D DOA. From (13 )and( 16), we can see that R and JR are constructed from the s...

Ngày tải lên: 21/06/2014, 19:20

... covariance is again fixed to (43), and the MSEs and the CRB are plotted with respect to the SNR of the 1st sensor. Figures 7 and 8 show the the MSEs and CRBs of DOA1 and DOA2 , respectively. Again the ... wide-band sources,” IEEE Transactions on Acoustics, Speech, and Signal Processing, vol. 33, no. 4, pp. 823–831, 1985. [11] P. M. Schultheiss and M. Messer, “Optimal and sub...

Ngày tải lên: 22/06/2014, 06:20

... covariance is again fixed to (43), and the MSEs and the CRB are plotted with respect to the SNR of the 1st sensor. Figures 7 and 8 show the the MSEs and CRBs of DOA1 and DOA2 , respectively. Again the ... 2 and 3) are assumed where DOA1 and DOA2 are set to be at 90 ◦ and 120 ◦ , respectively. The re- ceived waveforms from two sources overlap both in time and frequency an...

Ngày tải lên: 22/06/2014, 19:20

... execution time curves for M ∈{2, 3, ,20} and M ≥ G ∈{2,4, 8,12},where each point was obtained from 20000 trials and randomly generated matrices C 1 , C 2 ,andR xx . Note that even though the original ... of  B,whose columns match those of B to within scale and permutation, one can freely proceed to beamforming or DOA estimation as described in [1, 2]. In the case of DOA estimation,...

Ngày tải lên: 21/06/2014, 05:20

... 000000, and we assume that there are about 100000 candidates between c x and c y as the candidates related to some books Hindawi Publishing Corporation EURASIP Journal on Wireless Communications and ... 2011, Article ID 541283, 9 pages doi:10.1155/2011/541283 Research Article A Salient Missing Link in RFID Securit y Protocols Imran Erguler, 1, 2 Emin Anarim, 2 and Gokay Saldamli...

Ngày tải lên: 21/06/2014, 05:20

... Control (MAC) and Physical Layer (PHY) specifications: Enhance- ments for HigherThroughput,” IEEE Std., February 2007. [4] “IEEE 802.16e: Air Interface for Fixed and Mobile Broadband Wireless Access ... Systems Amendment 2: Physical and Medium AccessControl Layers for Combined Fixed and Mobile Opera- tion in Licensed Bands,” IEEE Std., 2006. [5] M. Dohler, E. Lefranc, and H. Aghvam...

Ngày tải lên: 21/06/2014, 05:20

... Tz. On the other hand, Bianchini and Grandolfi proved in 29 the following fixed point theorem. Theorem 3.2 Bianchini and Grandolfi 29. Let X, d be a complete metric space and let T : X → X ... Corporation Fixed Point Theory and Applications Volume 2011, Article ID 603861, 10 pages doi:10.1155/2011/603861 Research Article Q-Functions on Quasimetric Spaces and Fixed Point...

Ngày tải lên: 21/06/2014, 05:20

... invariant under T, f and g, T, f and T, g are Banach operator pairs on cent K {y 1 ,y 2 }, Ff and Fg are q-starshaped with q ∈ Ff ∩ Fg, f and g are continuous under weak and strong topologies, ... Chen and Li 5,Choetal.27, Khan and Akbar 22, 23, Pathak and Hussain 8,Schu28 and Vijayraju 2 are extended to the class of asymptotically f-pseudocontracti...

Ngày tải lên: 21/06/2014, 07:20

... My  t 0    t t 0 Ng  τ  e −α  τ,t 0  Δτ. 2.18 Combining 2.12 and 2.18,andusing8, Theorems 2.36 and 2.48 yields 2.13 and completes the proof. Remark 2.4. If α  0andN  1/2, then Theorem 2.3 reduces to Theorem ... Inequalities and Applications Volume 2010, Article ID 275826, 15 pages doi:10.1155/2010/275826 Research Article Gronwall-OuIang-Type Integral Inequali...

Ngày tải lên: 21/06/2014, 07:20