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Angle‐domain common‐image gathers are an important tool in the post‐processing of seismic images and for reservoir characterization. The generation of angle gathers is a very important issue when dealing with angle‐domain images. Efficiency and robustness are the main concerns in the generation of angle gathers. In this paper, we propose two methods for producing angle gathers based on the implementation...
Real time performance is in rigorous demand in substation. IEC 61850, the only international standard in substation automation system, makes clear requirements on it. However, the standard doesn't give any instructive suggestions on security. Therefore, this paper puts forward an idea of encryption mixed by Data Encryption Standard (DES) and RSA public-key encryption algorithms to further ensure the...
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