A comparative study of the electron density estimated with MF radar DAE method and cosmic noise absorption at poker flat, Alaska

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作者：

Environment Sensing and Network Group, Applied Electromagnetic Research Center ^{[1
]}

不详 ^{[2
]}

不详 ^{[3
]}

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来源：

J. Natl. Inst. Inf. Commun. Technol. | 2007年 / 1-2卷 / 57-65期

关键词：

Carrier concentration - Cosmic rays - Radio waves - Spurious signal noise;

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摘要：

The method to estimate electron density from partial reflection of medium or high frequency radio waves from the ionospheric D-region was proposed in 1950s and established in 1970s. This method, which is applied for MF radar observations, is called Differential Absorption Experiment (DAE), and is now used without significant improvements though many years have passed. In this paper, we compare the electron density from MF radar and Cosmic Noise Absorption (CNA) from imaging riometer, both instruments are installed at Poker Frat, Alaska. The accuracy and validity of electron density estimated with the MF radar are discussed.

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页码：57 / 65