Noise removal in ionograms by neural network

被引:0
|
作者
M. Hagenbuchner
J. Fulcher
机构
[1] University of Wollongong,Department of Computer Science
来源
关键词
Back propagation; Image processing; Ionogram; Noise filtering;
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暂无
中图分类号
学科分类号
摘要
A neural network approach to the extraction of 1hop F-layer traces from oblique-incidence ionograms is shown to offer performance at least comparable with conventional filtering techniques. Preprocessing in the form of background noise and vertical (horizontal) line removal is utilised prior to training a 110∶7∶100 MLP using backpropagation with momentum. It is further demonstrated that such successful trace extraction can be achieved with just 50 ionogram training exemplars.
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页码:165 / 172
页数:7
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