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The purpose of this study was to analyze and compare the digital citizenship behavior of college students from differing socioeconomic regions of origin. Data was collected with the Digital Citizenship Scale from 712 college students in central China. The results showed students from higher socioeconomic regions of origin displayed more appropriate digital citizenship behaviors than students from...
A 1-D self-consistent fluid model was employed to investigate the effect of driving frequency on the discharge characters of a dielectric barrier discharge at atmospheric pressure in argon excited by a periodic Gaussian voltage. The simulation results indicate that there are two discharge modes: 1) Townsend and 2) glow modes in the multipulse discharge and different transitions between them during...
The purpose of this study was to examine the relationships between personality types and vocational choices in terms of educational technology undergraduates and postgraduates in China. A valid sample of 209 undergraduates and 194 postgraduates responded to the research instrument, including 8 items about vocational choices and the Personal Globe Inventory-Short which was employed to measure personality...
The purpose of this study was to investigate the effects of interactive whiteboard (IWB)-based instruction on students' learning achievement. A quasi-experiment study was conducted using a sample of 93 students from two 10th grade classes in a secondary school in central China. While students in one class employed the IWB-based instructional approach, students in the other class employed the traditional...
School technology leadership plays a key role on the integration of technology into education. Developing professional preparation programs to meet the technology needs of school leaders in the 21st century is a complex challenge. This paper provides a glimpse into two national school technology leadership programs respectively in the UK and USA in terms of the background, features, and sustainability...
Wireless communication is an indispensable tool in our daily life. Due to the open nature of wireless channels, wireless communication is more vulnerable to attacks than wired communication. Security is paramount in wireless communication to overcome these attacks. A reconfigurable convolutional encoder/decoder based physical layer security mechanism, named ReConv, is proposed in this paper. ReConv...
The purpose of this study is to explore the acceptance of Tablet PCs in K-12 education among parents and communities. Because of the obstacles and controversies existed in world-wide "One Tablet PC per Child" projects, the authors used the Technology Acceptance Model to identify the potential factors that may influence the acceptance of Tablet PCs from the perspectives of parents and communities,...
Effective monitor and control to tension loading, pressure loading, system pressure, temperature, positive stop, travel speed, proportional regulation of hydraulic proportion valve are the preconditions that can ensure force loading system working normally force loading monitor system based on the preconditions is developed. The monitor system takes MITSUBISHI PLC controller as core. As remote part,...
In the process of inter-organizational cooperation in knowledge aliiance??Cthere exists two power structures, which are core enterprise-led structure and agent-led structure. Our research indicates that in the two structures??Cthe agent's required unit pay of innovative products is positive correlation to its marginal innovative cost, and is negative correlation to its technical capacity growth earnings...
We develop a recognition-oriented SAR image formation framework from a Bayesian perspective. In our framework, the prior knowledge of the targets and scene will be treated as restriction to the expected image based on Bayesian inference within an inverse problem frame. As a result, an image beneficial for recognition with background suppression and the important feature enhancement can be achieved...
While the event extraction and event based natural language processing system have been extensively studied, very little of the work has been done on the annotation of Chinese event. Annotating Chinese event in the text is a complex task. This paper focuses on the taggability of Chinese event, the pre-requisite of annotating Chinese event. A comprehensive questionnaire for tagging Chinese event is...
The rotatory piezoelectric motor(PZT) with micro-angle, based on inchworm motion, is presented. By the flexible machinery, the displacement of the piezoelectric actuators is transformed into angle. The clampers and actuators which are made of piezoelectric ceramic are both disposed in symmetrical relationship. By clamping or releasing of clampers and extending or retracting of actuators, it could...
Signal parameter estimation is a crucial issue in SAR/ISAR imaging, especially for multicomponent linear frequency modulated (LFM) signal with single degree of freedom. A new method of parameter estimation based on sparse signal representation is presented in this paper, which expands signal on a set of over-complete basis. The method is analyzed and validated for performance through simulation, with...
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