Báo cáo hóa học: " Research Article 60 GHz Indoor Propagatio

Báo cáo hóa học: " Research Article 60 GHz Indoor Propagation Studies for Wireless Communications Based on a Ray-Tracing Method" docx

... Corporation EURASIP Journal on Wireless Communications and Networking Volume 2007, Article ID 73928, 6 pages doi:10.1155/2007/73928 Research Article 60 GHz Indoor Propagation Studies for Wireless Communications ... Y. Miura, and T. Ihara, “Eﬀects of antenna direc- tivity and polarization on indoor multipath propagation characteristics at 60 GHz, ” IEEE J...

Ngày tải lên : 22/06/2014, 22:20

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Báo cáo hóa học: " Research Article 60-GHz Millimeter-Wave Radio: Principle, Technology, and New Results" pptx

... Figure 4 is a transmitter conﬁguration with a phased ar- ray and a bank of PAs, where each branch contains a phase rotator, a PA, and an antenna element. If each branch can emit a certain amount of ... and P. Constantinou, Indoor channel measure- ments and characterization at 60 GHz for wireless local area network applications,” IEEE Transactions on Antennas and Propag...

Ngày tải lên : 22/06/2014, 22:20

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Báo cáo hóa học: "Research Article ISAR Imaging of Ship Target with Complex Motion Based on New Approach of Parameters Estimation for Polynomial Phase Signal" docx

... and Z. Bao, “Experimen- tal research of unsupervised Cameron/maximum-likelihood classiﬁcation method for fully polarimetric synthetic aperture radar data,” IEE Proceedings Radar, Sonar and Navigation, ... R. Vincelette, C. Tameze, and F. Liu, “Automatic algorithm for inverse synthetic aperture radar images recognition and classiﬁcation,” IEE Proceedings Radar, Sonar and Navigation, vol....

Ngày tải lên : 21/06/2014, 05:20

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Báo cáo hóa học: " Research Article Some Shannon-McMillan Approximation Theorems for Markov Chain Field on the Generalized Bethe Tree" docx

... pages doi:10.1155/2011/470910 Research Article Some Shannon-McMillan Approximation Theorems for Markov Chain Field on the Generalized Bethe Tree Kangkang Wang 1 and Decai Zong 2 1 School of Mathematics and Physics, Jiangsu ... random transition probability for second-order Markov chains indexed by a tree. In this paper, we study a class of Shannon-McMillan random approximation t...

Ngày tải lên : 21/06/2014, 05:20

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Báo cáo hóa học: " Research Article Validity-Guided Fuzzy Clustering Evaluation for Neural Network-Based Time-Frequency Reassignment" potx

... learn based on the data given for training and performs well on complicated test cases of a similar nature [4]. We consider a signal containing parallel chirps and another signal containing a sinusoidal ... Neural Network -Based Time-Frequency Reassignment Imran Shaﬁ, 1 Jamil Ahmad, 1 Syed Is mail Shah, 1 Ataul Aziz Ikram, 1 Adnan Ahmad Khan, 2 and Sajid Bashir 3 1 Information...

Ngày tải lên : 21/06/2014, 08:20

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Báo cáo hóa học: " Research Article An Unsupervised and Drift-Adaptive Spike Detection Algorithm Based on Hybrid Blind Beamforming" doc

... SEA algorithm applied on the initialization data was calculated and used for spike detection on the drift and end data. The threshold was also kept constant to the value obtained on the initialization ... temporally constant waveforms and served as initialization data for the spike detection algorithms. Afterwards, the waveforms started to change for the next 2.5 minutes according...

Ngày tải lên : 21/06/2014, 09:20

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báo cáo hóa học:" Research Article Accurate Bit Error Rate Calculation for Asynchronous Chaos-Based DS-CDMA over Multipath Channel" pptx

... from a deterministic generator, the Gaussian approximation can be valid for high spreading factors but suﬀers from precision for small ones [29]. A mathematical calculation of BER for single and ... Journal on Advances in Signal Processing Volume 2009, Article ID 571307, 12 pages doi:10.1155/2009/571307 Research Article Accurate Bit Error Rate Calculation for Asynchronous...

Ngày tải lên : 21/06/2014, 20:20

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Báo cáo hóa học: " Research Article Detection and Parameter Estimation of Multicomponent LFM Signal Based on the Cubic Phase Function" pptx

... signals is a constant, it is disadvantageous. The similar transformations include the polynomial-phase transform [11]. 3.2. Accuracy The performance of parameter estimation is usually evaluated ... statistical characteristics of the estimates. Here, the asymptotic statistical results are derived for all the estimated parameters based on the ﬁrst-order perturbation analysis of maxima...

Ngày tải lên : 21/06/2014, 22:20

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Báo cáo hóa học: " Research Article Automatic Target Recognition in Synthetic Aperture Sonar Images Based on Geometrical Feature Extraction" pot

... ATR system to various conﬁguration parameters, for example, sonar height or aspect angle of the target. The variations in performance caused by diﬀerences in grazing and aspect angles are evaluated ... synthetic data— and validation on the limited available real samples—have 4 EURASIP Journal on Advances in Signal Processing potential positions of targets are inferred by assuming they p...

Ngày tải lên : 21/06/2014, 22:20

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Báo cáo hóa học: " Research Article Cross Layer PHY-MAC Protocol for Wireless Static and Mobile Ad Hoc Networks" pot

... [1], standard for wireless local area networks (WLANs) speciﬁes as contention -based MAC mechanism the DCF, which is based on carrier sense multiple access with collision avoidance (CSMA/CA). The CSMA/CA ... Indoor and Mobile Radio Communications (PIMRC ’01), vol. 2, pp. F59–F66, San Diego, Calif, USA, September- October 2001. [8] A. Acharya, A. Mishra, and S. Bansal, “MACA-P:...

Ngày tải lên : 21/06/2014, 22:20

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