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Vector control system is mainly on items management and positioning, it is essentially the management of RFID tag attached to items. For the problems of the data transmission security which is not guaranteed and relatively low transmission efficiency of the large data flow when tag data stream transfers from the data collection terminal to the upper business end for general RFID systems. This paper...
ECG signal is a very weak signal acquired on the surface of body. In traditional ECG signal acquisition system, to get a high-SNR ECG signal, it must use all kinds of high-performance op-amp, which leads to the acquiring circuits complex and unstable. Furthermore, almost all op-amps more or less have nonlinear distortion and other disadvantages. In this paper, a non-amplifying method to acquire a...
With the rapid development of Internet, a number of new resources of IPv6 have emerged. But some local area networks can not use these resources as it does not support the IPv6. So how to achieve communication between IPv4 and IPv6 is a problem to be resolved urgently. Combining NAT-PT with DNS_ALG, this system makes it possible to realize IPv4 and IPv6 communications between applications. Finally,...
To simulate the internal pressure numerically for the horizontal rotating bioreactor at 15rpm and to study its effect on the cells culture. Using both the theoretical calculation and the FLUENT 6.0 software to calculate and to simulate respectively the pressure inside the bioreactor, we verified experimentally the calculation result by bone marrow-derived mesenchymal stem cells cultured in the bioreactor...
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