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Robot localization can be considered as a cognition process that takes place during a robot estimating metric coordinates with vision. It provides a natural method for revealing the true autonomy of robots. In this paper, a kernel principal component analysis (PCA)-regularized least-square algorithm for robot localization with uncalibrated monocular visual(More)
Flower-shaped silver nanoparticles have been successfully synthesized by a simple aqueous phase silver nitrate reduction by ascorbic acid in the presence of polyvinylpyrrolidone (PVP) surfactant. The nanoparticles diameters were adjusted from 450 to 1000nm with surface protrusions up to 10-25nm. The growth direction of silver nuclei is controlled by their(More)
It is of great significance to acquire seismic signal accurately in seismic observation and research. A seismic data acquisition system based on high-precision data acquisition card NI USB-4432 and LabVIEW platform is designed and implemented. Firstly, the seismic signal is modulated by the front-end conditioning circuit composed of AD620 and MAX292, then,(More)
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