Báo cáo " Congestion control of Wavelet image compression over wireless networks " docx

... Journal of Science, Mathematics - Physics 23 (2007) 55-62 55 Congestion control of Wavelet image compression over wireless networks Ho Anh Tuy 1 , Nguyen Vinh An 2,* 1 Hanoi University of ... advantages of Wavelet are high compression ratio, avoiding “blockness artifact” and better quality. The multiresolution of Wavelet is very meaningful characteristi...

Ngày tải lên: 28/03/2014, 13:20

... tracial), we denote by e ∆ (x) the spectral projection of x corresponding to the Borel subset ∆ of the real line R. 2. Convergence of weighted sums of independent measurable operators Let A be a von ... spaceL r (A,τ) of (possibly unbounded) operators as the non-commutative analogue of the Lebesgue spaces of r t h integrable random variables. If B is a von Neumann subalgebra of...

Ngày tải lên: 13/02/2014, 04:20

... Many control strategies have been proposed, such as LQR/LQG control [2,3], H 2 /H ∞ control [4,5], sliding mode control [6], saturation control [7], reliability-based control [8], fuzzy control ... active control system. Fig. 1. Diagram of a structural control system. It consists of 3 main parts: sensors to measure either external excitations or system responses o...

Ngày tải lên: 28/03/2014, 13:20

... Many control strategies have been proposed, such as LQR/LQG control [2,3], H 2 /H ∞ control [4,5], sliding mode control [6], saturation control [7], reliability-based control [8], fuzzy control ... active control system. Fig. 1. Diagram of a structural control system. It consists of 3 main parts: sensors to measure either external excitations or system responses o...

Ngày tải lên: 28/03/2014, 13:20

... result were not reported in any of previously investigated species of Lauraceae family in Vietnam. This was a new species of Lauraceae family in Vietnam. The name of this species was Machilus ... chemical composition of essential oil of Machilus Japonica Siebold & Zucc. (Lauraceae) from Vietnam will be discussed. The essential oil composition of the different species...

Ngày tải lên: 12/02/2014, 17:20

... Experimental 2.1. Synthesis of Ni-Co powder ferrite A series of cobalt doped nickel ferrite with composition of Ni 1-X Co X Fe 2 O 4 with x ranges from 0.0 to 0.8 (in steps of 0.2) was prepared by ... indications of the presence of a spinel cubic structure. The diffraction lines corresponding to a cubic, spinel-type and crystalline phase provides clear evidence of the form...

Ngày tải lên: 13/02/2014, 04:20

... UTC(VMI). One of the important problem during maintaining a time system is to control the clocks performance. Ofcouse when it calculates the average time scale the calculating procedure of weight ... can be applied to control the clock performance. One of them is to measure the spectrum of clock output by a spectrum analyzer but this method does not give us the information of...

Ngày tải lên: 13/02/2014, 04:20

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Ngày tải lên: 13/02/2014, 12:20

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Ngày tải lên: 13/02/2014, 12:20

... December 2008 The name of Red River: an evidence of cultural diversity in Vietnam history Prof. Tran Tri Doi Department of Linguistics and Vietnamese Studies College of Social Sciences and ... toponym of Cái is also named after the essential role of the river in inhabitants’ life. Obviously, the same naming method of Thao and Cái is a reflection of similar reality-m...

Ngày tải lên: 27/02/2014, 03:20