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In order to find periodic motion characteristics of height time series clearly, the methods of robust least square iteration and power spectrum estimation are used to analyze height time series of Chinese 6 IGS tracking stations lasting nearly 11 years. The accurate main period item and amplitude of height direction motion of base stations are isolated using the power spectrum estimation method. With...
Many previous studies have shown that traditional TCP slow-start algorithm suffers performance degradation in high-speed and long-delay networks. This paper presents a sender-side enhancement, which makes use of TCP Vegas congestion-detecting scheme to monitor the router queue, and accordingly refines slow-start window evolution by introducing a two-phase approach to probe bandwidth more efficiently...
This paper presents a new over complete ICAMM to make decomposition the basis for low-bit high-speed image compression on image sub-blocks. Although the over complete independent component analysis basic number is much larger than the original data dimension, most of the coefficients will be zero after performing the basis transform so that this algorithm reaches the low bit-rate compression goal...
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