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Numerous studies have shown that nuclear localization of BLM protein, a member of the RecQ helicases, mediated by nuclear localization signal (NLS) is critical for DNA recombination, replication and transcription, but the mechanism by which BLM protein is imported into the nucleus remains unknown. In this study, the nuclear import pathway for BLM was investigated. We found that nuclear import of BLM...
Based on the requirements of cognitive antijamming, this paper proposes a method to accurately estimate sweeping spectrum range and the instantaneous frequency of the nonlinear chirp signal. Considering the lack of study in nonlinear chirp signal, we utilize Short Time Fourier Transform(STFT) to analyze the non-linear chirp signal, then obtain the time-frequency distribution. The transferred results...
Under the global background of technical advantage being corporate core competence, the most important motivation for M & A is acquiring relevant technology for technological leapfrogging to improve technical efficiency and technological competitive advantages. This paper takes technological competence as an example to demonstrate the path choosing of implementing technological leapfrogging. The...
This paper proposes a method to accurately estimate sweeping spectrum range and the instantaneous frequency of the nonlinear chirp signal. Considering the lack of study in nonlinear chirp signal, we utilize SPWVD to analyze the non-linear chirp signal, then obtain the time-frequency distribution. The transferred results are utilized to estimate the sweeping spectrum range and the instantaneous frequency,...
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