Advanced Materials Research Vols. 1049-1050

Abstract: In this paper, we present our implementation and evaluation of multi-node transmission over Content Centric Networking, which is realized by CCNx project. As there are no client-server connections in CCN, it offers the possibility to transfer data from multiple nodes as well as multiple links in parallel. However, in the current strategy of CCNx, even if there are many nodes who store the video files the client needs, the CCNx may choose one node to transfer the resource at one point, resulting the waste of other links .Thus we try to split video files into fragments. Multi-nodes will cooperate together to transfer the fragments As there are more than one nodes transferring the different fragments at the same time, each link can be made fully used and the transfer performance can be improved in some ways.

Abstract: Aiming at modeling and simulation, the study of improving the performance of the method of multi-domain based on multiple interfaces of satellites by the IOCP technology were focused on. The satellite's attitude and orbit controlling simulation platform was build, with the server based on the IOCP technology build, and the designation problem of interfaces between different software solved, while the model of the satellite build, by using software , such as MATLAB / Simulink, ADAMS, Pro/E, STK and VS. Finally, the model of satellite's attitude maneuver was simulated, and the result proved the efficiency of the method of multi-domain based on multiple interfaces of satellites improved by the IOCP technology.

Abstract: To solve the problems such as randomness user behavior, effective privacy protection and massive data processing shortage, this paper has proposed a household load data processing method with privacy protection, combined data mining and cloud computing. First, it gave the platform architecture and individual protection model. Then, it proposed Mask-k_means database encryption method, algorithm parallelization was implemented by MapReduce. Finally, this paper varied the method was and implemented household load data processing based on statistics and real-measured data respectively. One conclusion is that feasibility of cluster analysis for multi-user was low, while single-user load analysis is high. The other is that this method is simple and practical. This can provide a new way to household load big data under smart electricity consuming.

Abstract: In the big data era, the security and protection of users’ privacy have become a research focus of libraries, especially the protection for users’ data privacy is of vital importance. This paper analyzes and discusses the features of libraries in big data era, discusses the influence of big data era on information security of libraries, and proposes big data-related scientific problems which shall be solved in terms of information security.

Abstract: Based on the research of Linux kernel file system and embeded development environment, to build the Linux root file system from the bottom, to complete the development environment of Qt and Opencv dynamic library transplantation, through the efficient development platform and streamlined building the file system, realize the use of fewer resources to complete the application of machine vision in the ARM development board, make contributions to the future development of intelligent mobile terminal.

Abstract: This paper introduces the ontology as the basic description of the domain feature model and defines the description methods of static semantics and behavior protocols. On this basis, it proposes the Architectural Pattern based on the feature model and searching and matching methods of the Design Pattern. Variable point information on the domain feature model could guide the specific application-oriented architecture to cutting and customization so as to lay a solid foundation for the establishment of trace relationships and the system evolution management based on feature tracking.

Abstract: As we all known, the physical education and sports training are inseparable from the sports action, and the standardization of action is the key to raise the standard of sports. Meantime, in the scientific training process, the analysis and comparison of technical movements’ morphology are essential. And traditional motion analysis technology uses high-speed photography and video image analysis, which cannot accurately determine the action features, therefore cannot meet the needs of quantitative analysis and morphological analysis. In this paper, using the computer image processing and multimedia databases and other computer technology to do quantitative research on sports action characteristics, and establishing the motion feature model, all these will provide a scientific basis and action paradigm for sports teaching and training.

Abstract: We always use projection transformation to display and draw 3D object. With the aid of matrix transformation algorithm, this paper deduces projection transformation matrix of 3D object’s three views, gets these points’planar coordinate, then we can present the three views. It has practical application value.

Abstract: Minimum shift keying (MSK) signal is constant envelope modulation technology, It has the characteristics of continuous phase, high frequency band utilization, is very attractive in the field of wireless communications digital modulation mode, the current in short wave, microwave and satellite communications have been adopted. This paper studies the working principle of MSK modulation and demodulation, and then build simulation module based on Simulink environment, through the simulation design to render the MSK system performance advantages.

Abstract: For implementing jewelry weigh with balance in web environment, based on web service, an online balance weigh service is developed by encapsulating RS232 interface with ActiveX technology, and then other web services can call the weigh service to get quality of jewelry ornament with SOAP message request. Practicability and validity of the online balance weigh service is verified through the application in jewelry business management system.