Effect of rocket flame on high-frequency echo and its frequency energy agglomerated detection method | Zendy

Wu Xia | Zendy; Chen Jian-Wen | Zendy; Bao Zheng | Zendy; Guo De-Yang | Zendy

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Effect of rocket flame on high-frequency echo and its frequency energy agglomerated detection method

Author(s) -

Wu Xia,

Chen Jian-Wen,

Bao Zheng,

Guo De-Yang

Publication year - 2014

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.63.119401

Subject(s) - rocket (weapon) , attenuation , acoustics , electromagnetic radiation , radar , materials science , physics , optics , aerospace engineering , engineering

According to the problem that the mass matter from rocket flame consumes the electron density in atmosphere and disturbs high-frequency electromagnetic wave propagation, based on the characteristic of high-frequency radar echo from rocket flame, this paper reports the physical mechanism of high-frequency electromagnetic wave attenuation and flame electromagnetic characteristics, and analyses the radar cross section characteristic of the flame and the procreant time of flame's high-frequency echo. Then the detection method of frequency energy agglomerated for flame is put forward. By simulation analysis and experimental observation, the relations among flame high-frequency echo, altitude, flame electromagnetic characteristic, electric wave frequency, angle of incidence are obtained. The detection method is reliable and can decrease false-alarm and missing-alarm.

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