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Three Median Relations of Target Azimuth in one Dimensional Equidistant Double Array
DOI:
https://doi.org/10.30564/jeisr.v1i2.1771Abstract
Before this paper, the authors have obtained the tangent median relation by using the trigonometric function equation. In this paper, on the basis of the linear positioning solution of one-dimensional equidistant double-base linear array, by proper approximate treatment of the strict solution, and by using the direction finding solution of single base path difference, the sinusoidal median relation of azimuth angle at three stations of the linear array is obtained. By using the sinusoidal median relation, the arithmetic mean solution of azimuth angle at three stations is obtained. All these results reveal the intrinsic correlation between the azimuth angles of one-dimensional linear array.
Keywords:
Azimuth; Double-base array; Single base direction finding; Arithmetic mean; Median relationship; Passive locationReferences
[1] Tao Yu . Technology of Passive detection loca-tion[M]. National defense industry press, 2017
[2] Tao Yu. Accurate Solution of DF Formula for Phase Interference with One-Dimensional Double Base-line[J]. Journal of Antennas, 2012,1(01): 8-11.
[3] Tao Yu. An Ultra-precision Time Difference DF Al-gorithm Based on Long Baseline[J]. Radio Engineer-ing, 2015, 45(9): 34-36.
[4] Jianhua Shao. Short baseline time difference di-rection finding technology and its application prospect[J]. Aerospace Electronic Warfare, 1997(4): 23-25.
[5] Tao Yu. Arithmetical Average Method of DF for Phase Interference One-Dimensional Double Base-line[J]. Modern Navigation, 2013, 4(5): 371-374.
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Copyright © 2020 Yu Tao
This is an open access article under the Creative Commons Attribution-NonCommercial 4.0 International (CC BY-NC 4.0) License.