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With the rapid development of electronic devices. There are more and more high performance, multi-functional electronic components, at the same time, their size is getting smaller and smaller. This demand has a greatly promoted the development of electronic packaging. Due to the precision of electronic devices, leading to a sharp increase in the current density through the lead wire, can reach the...
The reflection, transmission, and absorption coefficients of a dusty plasma slab at terahertz frequency are simulated using the shift operator finite-difference time-domain (SO-FDTD) method. The problem which incorporates both frequency dispersion and dust particles' contribution is solved for the electromagnetic waves propagation in dusty plasmas. The numerical verification of the approach is performed...
With the approach of the aging society, collecting medical data of old patients becomes more and more important. Currently, there are a wide range of personal health devices (PHD), however, many of these devices have not been standardized and can't be compatible with the same manager. ISO/IEEE 11073 standard is a popular standard in collecting measurement data. In this paper, we propose a design of...
The volume reflectivity and the irregularity of electron density occurring Polar Mesosphere Summer Echoes (PMSE) have close relation. A preliminary result is given by analyzing the data obtained from the experiment of ECT-02. The small-scale structure of electron density caused by charged dust particles may have some great effect on PMSE.
Internet data is massive, heterogeneous, dynamic, and data is increasingly complex. Through data mining and analysis, we are able to obtain potentially valuable information, but traditional data mining system has bottleneck in data storage and computing power. To solve the problem, by using technology of cloud computing, we design a massive web log data mining and analysis platform based on cloud...
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