3G communication technology has three main wireless interface standards which are WCDMA,CDMA2000 and *** 3G devices and software of devices are different between different manufacturers and *** order to manage the dif...
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3G communication technology has three main wireless interface standards which are WCDMA,CDMA2000 and *** 3G devices and software of devices are different between different manufacturers and *** order to manage the different devices and many users in the training process of vocational education in communication profession,we designed and developed the software,"comprehensive communication network training platform".Combining the device controlling software,this software packed the communication devices and users into a platform for unified management with some key technologies such as soft routing,Network Address Translation(NAT).Giving full consideration to the training process,the software can not only meet the requirements of vocational training,but also deploy the communication devices,resources and protect the security of the devices,so it is of great significance to the professional teaching of the mobile communication.
The paper first introduces the current accounting information system and analyzes its *** a future framework of accounting information system based on event accounting theory in the era of IoT is ***,XBRL is introduce...
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The paper first introduces the current accounting information system and analyzes its *** a future framework of accounting information system based on event accounting theory in the era of IoT is ***,XBRL is introduced in this framework to improve data accuracy and *** a combination of the above features,the framework can meet the various needs from different ***,the data security and XBRL format supporting mechanism are subject to further development before this framework can be implemented and applied.
Based on the research on embedded camera user's attention level,a novel blind image quality ranking and poor appearance detection algorithm for low lighting environment are proposed for the first *** from the trad...
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Based on the research on embedded camera user's attention level,a novel blind image quality ranking and poor appearance detection algorithm for low lighting environment are proposed for the first *** from the traditional algorithms,the proposed one mixed model composed of detecting lowlight,grading blur degree and noise level,and figuring out the under-or *** reaches the real time performance even on low level embedded devices with the detail feedback of quality *** experiments show the proposed method performs well and is consistent with human perception.
The selection and extraction of characteristics item is an important part of the web filtering features sets *** paper presents a method of feature extraction based on information gain which can construct the query fe...
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The selection and extraction of characteristics item is an important part of the web filtering features sets *** paper presents a method of feature extraction based on information gain which can construct the query feature library effectively during on study of web filtering in vector space *** results show that this method is superior to traditional one in feature extraction,and improved the accuracy of the web filtering,reduced the computational complexity effectively.
Users of mobile devices face the problem of guarding their gadgets every time they are outdoors. Theft of laptops is the 3rd most frequent computer crime after virus and hacking. The really scary part is that accordin...
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Distributed systems play a vital role in the improvement of high performance *** primary concern when analyzing these systems is DAG *** problem of DAG scheduling can be stated as scheduling and mapping of the precede...
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Distributed systems play a vital role in the improvement of high performance *** primary concern when analyzing these systems is DAG *** problem of DAG scheduling can be stated as scheduling and mapping of the precedence-constrained task graph to processors so that the completion time can be *** is known to be a NP-complete *** studies have demonstrated that genetic algorithm based on the principles of evolution perform better than others *** this paper,we will propose an modified genetic algorithm by improving genetic operators and experimental studies show that the modified genetic algorithm converge quickly and can get optimal solution.
As the rapid development and wide application of Radio Frequency Identification (RFID) technology,the increasing data rates have imposed a heavy burden on interaction of the middleware system and network ***,the lack ...
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As the rapid development and wide application of Radio Frequency Identification (RFID) technology,the increasing data rates have imposed a heavy burden on interaction of the middleware system and network ***,the lack of uniform standard for corresponding interfaces between the components of RFID system has seriously restricted performance of data interaction and processing in system *** order to overcome these problems,in this paper,we propose a framework of the RFID middleware system extended from Application Level Event (ALE) ***,we design three modules and introduce them into the middleware system so that the abilities of data processing and intelligence of the system can be improved.
At the view of bidder to consider what tender offer could be taken when the employer take evaluating of the lowest evaluated price method,and use game theory to build multiplayer *** to the tender offer is the functio...
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At the view of bidder to consider what tender offer could be taken when the employer take evaluating of the lowest evaluated price method,and use game theory to build multiplayer *** to the tender offer is the function of cost,and the distribution function of cost can satisfy with independent distribution,so the tender offer can be provided for the different distribution function of cost under the condition of the maximum profit and probability,and also concluded the empirical formula for the *** last,according to the model to deal with the factors what influence the tender offer.
Grey prediction is suitable for such kinds of system objective with few data,short time and little *** chain is just suitable for predicting stochastic fluctuating dynamic *** connecting with the non-linear fluctuatio...
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Grey prediction is suitable for such kinds of system objective with few data,short time and little *** chain is just suitable for predicting stochastic fluctuating dynamic *** connecting with the non-linear fluctuation characteristic of international copper prices,a grey metabolism Markov chain (GMMC) method is proposed for the middle and long term prediction of the *** prediction effect of the new method is examined with the international copper prices of 1990-2011 as a testing data *** results show that the prediction effect of the new model is better than GM(1,1) model and grey Markov chain(GMC) *** is indicated that the GMMC method has a quite high application value for international copper price prediction without considering the affect of economic crisis .
This paper proposes a algorithm method of RBF neural network based on RSSI localization *** solves the question which through traditional filter algorithm,redundancy algorithm can not solve base on effect of multi-rou...
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This paper proposes a algorithm method of RBF neural network based on RSSI localization *** solves the question which through traditional filter algorithm,redundancy algorithm can not solve base on effect of multi-route propagation,and the complexity of signal attenuation *** results demonstrate the validity of the algorithm,it can mitigate the effect of multi-route propagation,and localization precision can reach one meter or *** the side,this algorithm have higher convergence speed,it fits in embedded *** can be designed as self-study and closed loop neural network in future.
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