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Mobile Ad Hoc Network consists of a large number of nodes. When we work with a large network with dense nodes, there are some nodes that have to bear the heavy traffic load, then over the time such nodes become weak and they start losing the packet. This packet loss is bearable up to some threshold value, but as the packet loss exceed this level, it disturb the whole network and now any kind of data...
In order to develop the communication competencies of the mechanical engineering students, a written technical report consisting of three documents (a report, a set of slides and a script for the slides) is used. Complex aspects of electronics equipments related to EMC, reliability and safety are learned not only by reading information, but also by creating a report. This tutorized task also helps...
In order to improve the ignition reliability of small scale liquid rocket, a multipoint electric ignition method has been proposed. A pulse electric ignition device with the sequence circuit is designed which is composed of ignition sequence circuit model and boosting circuit model. The operational principle of the pulse ignition device has been analyzed.
Gear reducer is one of the most widely used methods in mechanical transmission, optimization of which is of great significance in improving the bearing capacity, prolonging service life and reducing its size and quality. By Visual Basic programming mixed with MATLAB, automatic optimization design for gear reducer is realized in the paper, design efficiency and quality greatly improved. Genetic algorithm...
The influence path of relationship marketing on the transaction trust in e-commerce is discussed in this paper, with the net-shop reputation used as intermediate variable. Empirical analysis reveals that the communication and relationship investment in relationship marketing affect the net-shop reputation significantly, and net-shop reputation affects the network trust. Furthermore, the direct influence...
In the mobile communications market, the homogeneity phenomenon of product's service appears. The paper combines the Technology Acceptance Model (TAM) and Switching Cost Theory to construct the Convert Selection Model about the mobile communication services for users, which mainly analyzed from five dimensions: perceived switching costs, differences in perceived usefulness, differences in perceived...
The concrete structure is the most widely used engineering structure. It is very important to have the durability detection and evaluation of the concrete structure. This article describes the conditions of the durability research of concrete structure in home and abroad, the factors affecting the durability of concrete structure and some measures to improve the durability of concrete structure and...
The development of a SOPC for matching fingerprint images is presented in this paper. The major motivation for this work is to develop a fingerprint image matching handheld module, which can overcome the limitation of original phase correlation based algorithm and has more reliability performance to rotated and noisy images. By aid of Fourier-Mellin transform (FMT), frequency domain features are extracted...
Wind can be considered as an interesting alternative to fossil fuels, but as a power source, is both intermittent and diffuse. It is necessary to calculate wind equivalent capacities in order to introduce a coherent evaluation of wind production in the management of the centralized production park. Base on the sequential Monte Carlo simulation technique for wind speeds, an auto-regressive and moving...
Microgrid has lots of advantages and effective methods in usage and control of DGs, and has developed rapidly at each country. Electric Vehicles regarded as new traffic method has been paid more common attention. Batteries of electric vehicles can be regarded as mobile power storage devices, which will affect the stability of the power grid when paralleled in the grid. A common structure of the microgrid...
How will information from online banks influence the choice of customers? This research uses information processing theory, WOM theory, perceived risk theory and trust theory, in order to find the flow of information from online banks to customers, and the relationships among those issues. Moreover, online banks in Mainland China are the targets of this research.
With the different parameters selection, Beta distribution can be transformed into various other distribution, ranging from simple distribution to complex distribution, from symmetrical distribution to asymmetrical distribution of the distribution. So Beta distribution is of highly adaptable, Beta Distribution is recommended to fit for the types of random variables distribution of Geotechnical Engineering...
This article takes the Life Cycle Cost (LCC) of power generation equipment as the Optimization object, to establish a complete optimization program for equipment management in the equipment life cycle. The key links of the life cycle will be found by the technical and economical methods, and then certain technical and management methods will be used to realize the optimization of the key links. The...
Analysis of the composition of medical care service encounter quality, in order to find out specific measures. Effective scale is designed by using the interview questionnaires. Questionnaires were designed for investigation in outpatient clients of public hospital within Anhui. Finally the results are testified by reliability testing, validity testing and regression analysis from using the SPSS16...
Based on the sample of manufacturing enterprises of Guangxi Zhuang Autonomous Region, empirical study is carried out to explore the relationships of supply chain partnership, financial management and enterprise performance. The results show that partnership has significantly and positively influenced on financial management; financial management has also significant and positive influence on enterprise...
Logistics Network is an important way for resources' integration and sharing. As important parts of Logistics Network, Logistics Organization Network (LON) and Logistics Information Network (LIN) are closely linked. With help of the Structural Equation Model (SEM), we attempt to find the LON's influence on the "LIN's effect" by dividing the empirical data into two groups, according to the...
An automatic exchange device for manipulators is proposed based on multi-sensor considering the application background of the space robot in this paper. A micro-regulator is installed in the robot's wrist. Rough positioning with vision guiding, precise positioning by optical guiding, posture adjustment and active-passive hybrid compliant control strategy are used in docking. Both geometric constraint...
This paper summarizes three failure models of pre-stressed pipe pile under horizontal load. From the view of reliability, the author has established corresponding performance functions of two failure models. And on the basis of functions, various factors affecting the reliability of pile's bearing capacity are analyzed. After calculation of four field examples, the results reveal that the thickness...
This paper designs and makes a questionnaire based on a deep interview, and analyzes those data by SPSS11.5, then constructs recognition model of the network learning by EFA, on basis of these, it tests the validity of recognition factors and the reliability of recognition model by CFA empirical study and Cronbach'a coefficient. Results show that knowledge acquisition, knowledge absorption and knowledge...
Since the concept of "integrity" was proposed, the integrity tests have received extensive attention. This paper will review the researches and literature on this topic around five themes: (1) The definition of integrity test and the way of pencil-and-paper test. (2) The factors influencing integrity. (3) The criterion-related validity studies of integrity. (4) The faking of integrity tests...
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