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RU2004114671A - METHOD FOR DETERMINING THE TRACK SPEED OF THE AIR TARGET IN A TERRESTRIAL RADAR STATION - Google Patents

METHOD FOR DETERMINING THE TRACK SPEED OF THE AIR TARGET IN A TERRESTRIAL RADAR STATION Download PDF

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Publication number
RU2004114671A
RU2004114671A RU2004114671/09A RU2004114671A RU2004114671A RU 2004114671 A RU2004114671 A RU 2004114671A RU 2004114671/09 A RU2004114671/09 A RU 2004114671/09A RU 2004114671 A RU2004114671 A RU 2004114671A RU 2004114671 A RU2004114671 A RU 2004114671A
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Russia
Prior art keywords
radar
ground
target
determining
doppler frequency
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RU2004114671/09A
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Russian (ru)
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RU2273033C2 (en
Inventor
зев Игорь Николаевич Кн (RU)
Игорь Николаевич Князев
зев Роман Игоревич Кн (RU)
Роман Игоревич Князев
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Тамбовский военный авиационный инженерный институт (RU)
Тамбовский военный авиационный инженерный институт
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Priority to RU2004114671/09A priority Critical patent/RU2273033C2/en
Publication of RU2004114671A publication Critical patent/RU2004114671A/en
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Publication of RU2273033C2 publication Critical patent/RU2273033C2/en

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Claims (1)

Способ определения путевой скорости воздушной цели в наземной РЛС, заключающийся в том, что измеряют частоту Доплера отраженных от движущейся цели сигналов в наземной РЛС fдРЛС, отличающийся тем, что измеряют частоту Доплера fдR отраженных сигналов в дополнительной приемной позиции, разнесенной в пространстве относительно наземной РЛС на базовое расстояние RВ, угол θ между направлениями "дополнительная приемная позиция R - цель Ц" и "дополнительная приемная позиция R - РЛС", угол γ между направлениями "РЛС - цель Ц" и "РЛС - дополнительная приемная позиция R", вычисляют бистатический угол β=180°-(θ+γ), при этом путевую скорость полета воздушной цели определяют по формуле:A method for determining the ground speed of an air target in a ground-based radar, which consists in measuring the Doppler frequency of signals reflected from a moving target in a ground-based radar f DRLS , characterized in that they measure the Doppler frequency f dR of the reflected signals in an additional receiving position spaced in space relative to the ground radar on base distance R B, θ the angle between the "additional desk position R - C goal" and "additional desk position R - radar", γ the angle between the "radar - target C" and "radar - extra pr emnaya position R ", calculated bistatic angle β = 180 ° - (θ + γ), wherein the aerial target ground speed of flight is determined by the formula:
Figure 00000001
Figure 00000001
 где λ - рабочая длина волны, используемая в наземной РЛС; fдРЛС - частота Доплера, измеряемая в наземной РЛС; fдR - частота Доплера, измеряемая в дополнительной приемной позиции R; β - бистатический угол между направлениями "цель Ц - дополнительная приемная позиция R" и "цель Ц-РЛС".where λ is the working wavelength used in the ground radar; f DLS - Doppler frequency, measured in ground-based radar; f дR - Doppler frequency, measured in the additional receiving position R; β is the bistatic angle between the directions "target C - additional receiving position R" and "target C-radar".
RU2004114671/09A 2004-05-13 2004-05-13 Method for determining traveling speed of airborne target at ground-based radiolocation station RU2273033C2 (en)

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RU2389039C1 (en) * 2008-12-10 2010-05-10 Государственное образовательное учреждение высшего профессионального образования "Военная академия войсковой противовоздушной обороны Вооруженных Сил Российской Федерации" Method of measuring air target radial velocity in carrier frequency adjustment mode from pulse to pulse in accordance with random law at low signal-to-noise ratio
RU2427003C2 (en) * 2010-03-16 2011-08-20 Дмитрий Геннадьевич Митрофанов Method of measuring radial velocity of aerial object in random pulse-wise carrier frequency tuning mode with limited number of frequencies used
RU2489730C2 (en) * 2011-03-03 2013-08-10 Федеральное государственное военное образовательное учреждение высшего профессионального образования "Военный авиационный инженерный университет" (г. Воронеж) Министерства обороны Российской Федерации Method for determining linear speed of aircraft using non-radar information
RU2741400C2 (en) * 2019-06-19 2021-01-25 Закрытое акционерное общество "Научно-исследовательский центр "Резонанс" (ЗАО "НИЦ "Резонанс") Method and device for determining the track speed of a nonmaneuvering object based on the range products selection on the radial velocity

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GB2305322B (en) * 1987-10-10 1998-01-07 Gen Electric Co Plc Motion compensation in synthetic aperture radar
RU2154840C1 (en) * 1999-09-23 2000-08-20 Нижегородский научно-исследовательский институт радиотехники Device determining parameters of movement of object
US6236352B1 (en) * 1999-10-28 2001-05-22 Eaton-Vorad Technologies, L.L.C. Heterodyned double sideband diplex radar
JP3477133B2 (en) * 2000-01-07 2003-12-10 三菱電機株式会社 Radar equipment
RU2206102C1 (en) * 2001-10-25 2003-06-10 НИИ Приборостроения им. В.В. Тихомирова Procedure measuring range and velocity by pulse-doppler radar

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Effective date: 20060514