Download Advanced Research on Electronic Commerce, Web Application, by Zeeshan Sabir, Syed Abdul Rehman Yousaf (auth.), Gang Shen, PDF

By Zeeshan Sabir, Syed Abdul Rehman Yousaf (auth.), Gang Shen, Xiong Huang (eds.)

The two-volume set CCIS 143 and CCIS a hundred and forty four constitutes the refereed complaints of the foreign convention on digital trade, net software, and communique, ECWAC 2011, held in Guangzhou, China, in April 2011. The 148 revised complete papers offered in either volumes have been rigorously reviewed and chosen from various submissions. supplying a discussion board for engineers, scientists, researchers in digital trade, internet software, and verbal exchange fields, the convention will positioned designated concentration additionally on facets equivalent to e-business, e-learning, and e-security, clever info purposes, database and method safeguard, picture and video sign processing, trend acceptance, info technological know-how, business automation, approach keep an eye on, user/machine platforms, safeguard, integrity, and safeguard, in addition to cellular and multimedia communications.

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Additional info for Advanced Research on Electronic Commerce, Web Application, and Communication: International Conference, ECWAC 2011, Guangzhou, China, April 16-17, 2011. Proceedings, Part I

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Therefore, this essay introduces the DEA relative efficiency evaluation method to have a comprehensive evaluation on enterprise organizational learning efficiency. Data envelopment analysis(DEA) is a kind of operational methods put forward in 1978 , which was based on "relative efficiency evaluation “concept by the famous operational research experts A. W. Copper etc. It is used to assess a group of relative efficiency possessing multiple inputs and output decision making units. , n (1) 28 T. Jiang and Z.

By this function Matlab can accept a single character string (Command), run it and return the results as a character string. (2) PutFullMatrix This method will put a designated array into the work space. (3) GetFullMatrix By GetFullMatrix, one integrated array can be retrieved from a designated work space[2]. Through these three methods, Matlab executive commands can be used to help VB put into or get data from Matlab conveniently. 1 Variation Curve Fitting of Drilling Fluid Density by Least Square Method Well wall instability, which often happens in drilling engineering, is a complex problem.

This performance degradation is due to the close placement of the constellation points as we move towards higher modulation schemes. The channel estimation strategy was pilot-assisted with ratio of the pilot to data symbol as 1:6. 0 Comparative curve for OFDM with PACE for different modulation schemes 10 --OFDM-64QAM --OFDM-16QAM --OFDM-QPSK --OFDM-BPSK -1 Average BER 10 -2 10 -3 10 5 10 15 20 SNR (dB) 25 30 35 Fig. 7. Uncoded OFDM with PACE through Rayleigh fading Channel Test Case-2. Turbo-coded OFDM with PACE Here we will discuss the results of our proposed model of OFDM implemented with turbo codes and with the aid of Pilot-assisted Channel Estimation.

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