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The wavelet transform technology was used for the analysis of serum ultraviolet-visible (UV) absorption spectra. The experimental results show that the absorption spectra are of serious noise in the wave band from 200 nm to 300 nm, which covers some useful spectral characteristics. Serum absorption spectra were broken down into four layers by db4 wavelet. The shapes of the low-frequency signals are...
In many intelligent transportation system applications, understanding vehicle activity patterns of probe vehicles is becoming increasingly important for determining congestion levels on different roadways. Vehicle activity patterns can be characterized at a microscale level as vehicle velocity trajectories. Many ITS applications now use probe vehicles that are constantly monitoring and recording these...
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