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With growing popularity of mobile devices and wireless communications, in-vehicle navigation system has changed substantially in recent years. How to real-time dynamic display on spatial data in telematics terminals is one of the key problems in car navigation services. In this paper, first, we present a vector map data channel based on distributed tri-tier client-server system architecture to transmit...
We study the correlation in the shifted key induced by the dead time of Geiger-mode avalanche photodiodes (APDs) in quantum cryptographic systems. A simultaneous hold-off of the APDs (SHA) technique eliminates these correlations.
Due to the temporal drift of the fiber birefringence in an optical fiber transmission system, the polarization mode dispersion (PMD) effects measured in a time window can be quite different for different time windows of the same duration. Every 10 s for 10 days, the accumulated differential group delay (DGD) was repeatedly measured at 5000 km in a 107-km recirculating loop with loop-synchronous polarization...
Analysis of elastic laminae provides vital information on both the gross and fine structures of the arterial wall, which is vital to assess issues such as mechanical damage caused by cardiovascular disease or clinical treatment. For example, the distribution of thickness, and distance between them, of the elastic laminae within the aorta can provide important clues on how hypertension affects aortic...
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