RU2008106390A - METHOD OF MULTI-SIGNAL DIRECTION OF THE SOURCES OF RADIO RADIATION ON A SINGLE FREQUENCY - Google Patents
METHOD OF MULTI-SIGNAL DIRECTION OF THE SOURCES OF RADIO RADIATION ON A SINGLE FREQUENCY Download PDFInfo
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- RU2008106390A RU2008106390A RU2008106390/09A RU2008106390A RU2008106390A RU 2008106390 A RU2008106390 A RU 2008106390A RU 2008106390/09 A RU2008106390/09 A RU 2008106390/09A RU 2008106390 A RU2008106390 A RU 2008106390A RU 2008106390 A RU2008106390 A RU 2008106390A
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Abstract
1. Способ многосигнальной пеленгации источников радиоизлучения на одной частоте, включающий в себя прием многолучевого сигнала посредством многоэлементной антенной системы, синхронное преобразование ансамбля принятых сигналов, зависящих от времени и номера элемента антенной системы, в цифровые сигналы, преобразование цифровых сигналов в сигнал амплитудно-фазового распределения, описывающий распределение амплитуд и фаз на элементах антенной системы, вычисление сигнала фазирующей функции, отличающийся тем, что получение углового спектра осуществляют введением переопределенного базиса посредством сетки пеленгов для формирования из исходной системы нелинейных уравнений системы линейных алгебраических уравнений и решением этой системы посредством минимизации регуляризирующего ℓp-функционала. ! 2. Способ по п.1, отличающийся тем, что для минимизации указанного ℓp-функционала в качестве начального приближения берут решение, полученное методом регуляризации Тихонова. ! 3. Способ по п.1 или 2, отличающийся тем, что определяют интервальную оценку углового спектра на основе ковариационной матрицы, полученной по теореме Крамера-Рао с использованием в качестве функции правдоподобия указанного ℓp-функционала.1. A method of multi-signal direction finding of radio-frequency sources at a single frequency, which includes receiving a multi-beam signal by means of a multi-element antenna system, synchronously converting an ensemble of received signals depending on the time and number of an antenna system element into digital signals, converting digital signals into an amplitude-phase distribution signal describing the distribution of amplitudes and phases on the elements of the antenna system, the calculation of the signal of the phasing function, characterized in that the angular KRA is carried out by introducing an overdetermined basis through a grid of bearings to form a system of linear algebraic equations from the original system of nonlinear equations and solving this system by minimizing the regularizing ℓp-functional. ! 2. The method according to claim 1, characterized in that in order to minimize the indicated ℓp-functional, the solution obtained by the Tikhonov regularization method is taken as an initial approximation. ! 3. The method according to claim 1 or 2, characterized in that they determine an interval estimate of the angular spectrum based on the covariance matrix obtained by the Cramer-Rao theorem using the indicated ℓp-functional as the likelihood function.
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RU2008106390/09A RU2382379C2 (en) | 2008-02-21 | 2008-02-21 | Method for multi-signal location of radio-frequency radiation sources at one frequency |
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RU2008106390/09A RU2382379C2 (en) | 2008-02-21 | 2008-02-21 | Method for multi-signal location of radio-frequency radiation sources at one frequency |
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RU2008106390A true RU2008106390A (en) | 2009-08-27 |
RU2382379C2 RU2382379C2 (en) | 2010-02-20 |
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RU2008106390/09A RU2382379C2 (en) | 2008-02-21 | 2008-02-21 | Method for multi-signal location of radio-frequency radiation sources at one frequency |
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- 2008-02-21 RU RU2008106390/09A patent/RU2382379C2/en not_active IP Right Cessation
Cited By (1)
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CN113191070A (en) * | 2021-03-24 | 2021-07-30 | 国网山东省电力公司泰安供电公司 | Particle swarm and genetic algorithm combined antenna array arrangement optimization method |
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