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LAMOST is an innovative active reflecting Schmidt telescope in combining a large aperture with a wide field of view, and releasing more than 5,000,000 spectra in DR3. A considerable part of the low SNR spectra are not released or measured parameters, some of these can improve the SNR by the method of spectra stacking. Firstly, targets are selected whose distances of latitude or longitude are less...
Power minimization is a traditional method for interference suppression in satellite navigation systems. It works when the interferences are much stronger than the desired signals and noise, and its main advantage is that the direction of arrival (DOA) information of the desired signals is not required. In this paper, a new method for suppressing strong interferences for satellite navigation based...
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