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- W2364754657 abstract "Oblique sounding of ionosphere works in high frequency band. The external dense interferences in the HF band,such as shortwave communication,broadcast,air noise and so on,contaminate the received data,affect the trace extraction from oblique ionogram. Aiming at these problems above,a method of trace extraction from oblique ionogram is proposed. The method is composed of three steps. Firstly,it suppresses interference in frequency domain,and then it extracts signal by OS-CFAR method, finally it removes false signal by digital image process method. The method is applied to the measured data,and results show that the proposed method is efficient and practical." @default.
- W2364754657 created "2016-06-24" @default.
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- W2364754657 date "2014-01-01" @default.
- W2364754657 modified "2023-09-23" @default.
- W2364754657 title "Algorithm Study of Trace Extraction from Oblique Ionogram" @default.
- W2364754657 hasPublicationYear "2014" @default.
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