Estimation of the required energy for a channel of high-precision phase direction finding of low-earth orbit space debris based on large scale antenna array

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To solve the problem of radar observations of small-sized space debris of natural and artificial origin, a multi-antenna distributed structure based on adaptive antenna arrays is proposed. A method for estimating noise errors of the phase method of low-Earth orbit space debris bearing for a channel of high-precision phase direction finding based on elements of a multi-antenna field is presented. The results obtained characterize the potential accuracy of the system. Based on the specified dispersion of phase fluctuations, the required signal-to-noise ratio at the input of the device is determined according to the proposed method.

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作者简介

A. Baskakov

National Research University “Moscow Power Engineering Institute”

Email: KomarovALA@mpei.ru
俄罗斯联邦, Krasnokazarmennaya, 14, build 1, Moscow, 111250

А. Komarov

National Research University “Moscow Power Engineering Institute”

编辑信件的主要联系方式.
Email: KomarovALA@mpei.ru
俄罗斯联邦, Krasnokazarmennaya, 14, build 1, Moscow, 111250

P. Shimkin

National Research University “Moscow Power Engineering Institute”

Email: KomarovALA@mpei.ru
俄罗斯联邦, Krasnokazarmennaya, 14, build 1, Moscow, 111250

参考

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  7. Радиоинтерферометрия и новые технологии в приложении к космической связи, навигации и управлению космическими аппаратами: Сб. ст. / Под ред. В.Г. Грачева. М., 2022.

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2. Fig. 1. Direction finding by two separated antennas (on a plane).

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3. Fig. 2. The effect of noise on the signal phase.

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4. Fig. 3. Simplified diagram of the phase difference transfer unit.

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5. Fig. 4. Dependence of the noise reduction coefficient p(qsh): curve 1 — rectangular noise spectrum, K = 1; curve 2 — bell noise spectrum, K = ; curve 3 — noise spectrum at the output of the resonant amplifier, K = 2.

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