RU2016114998A - Radar method for detecting and determining motion parameters of low-altitude, low-observable objects in the decameter range of radio waves - Google Patents

Radar method for detecting and determining motion parameters of low-altitude, low-observable objects in the decameter range of radio waves Download PDF

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RU2016114998A
RU2016114998A RU2016114998A RU2016114998A RU2016114998A RU 2016114998 A RU2016114998 A RU 2016114998A RU 2016114998 A RU2016114998 A RU 2016114998A RU 2016114998 A RU2016114998 A RU 2016114998A RU 2016114998 A RU2016114998 A RU 2016114998A
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signal
low
sight
target
detecting
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RU2016114998A
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RU2669702C2 (en
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Александр Евгеньевич Ченцов
Валерий Васильевич Замараев
Игорь Витальевич Лютиков
Андрей Михайлович Гончаров
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Федеральное государственное казенное военное образовательное учреждение высшего профессионального образования "Военная академия воздушно-космической обороны имени Маршала Советского Союза Г.К. Жукова Министерства обороны Российской Федерации (ФГКВОУВПО ВА ВКО)
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/50—Systems of measurement based on relative movement of target
    • G01S13/52—Discriminating between fixed and moving objects or between objects moving at different speeds
    • G01S13/56—Discriminating between fixed and moving objects or between objects moving at different speeds for presence detection
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
    • G01S3/72—Diversity systems specially adapted for direction-finding
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/36—Means for anti-jamming, e.g. ECCM, i.e. electronic counter-counter measures
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/41—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00 using analysis of echo signal for target characterisation; Target signature; Target cross-section

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  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar Systems Or Details Thereof (AREA)

Claims (9)

Радиолокационный способ обнаружения и определения параметров движения маловысотных малозаметных объектов в декаметровом диапазоне радиоволн, основанный на приеме в двух удаленных от источника излучения точках зондирующего сигнала и сигналов вторичного излучения объекта, выделении из них полезного сигнала в системе ЛЧМ-фильтров, имеющих разные доплеровские частоты и разные частотные девиации, выделении фильтра, в котором сигнал максимален, а параметры соответствуют моменту пересечения целью линии визирования передатчик-приемник υr=0, и отличающийся тем, что на основании значений параметров этих фильтров оцениваются моменты пересечения траекторией цели двух линий визирования передатчик-приемник и значения частотной девиации сигнала в эти моменты времени, что позволяет рассчитать положение и скорость цели по формулам:A radar method for detecting and determining the motion parameters of low-altitude, low-observable objects in the decameter range of radio waves, based on the reception at two points of the probing signal and the secondary radiation signals of the object at two remote locations from the radiation source, the selection of a useful signal from them in the system of LFM filters having different Doppler frequencies and different frequency deviations, filter selection in which the signal is maximum, and the parameters correspond to the moment the target crosses the line of sight of the transmitter-receiver υ r = 0, and characterized in that, based on the values of the parameters of these filters, the moments of the intersection of the target path of the two lines of sight of the transmitter-receiver and the frequency deviation of the signal at these time points are estimated, which allows you to calculate the position and speed of the target using the formulas:
Figure 00000001
Figure 00000001
 где t0 - оценка момента времени пересечения целью линии визирования Пер А - Пр А0 (по результатам обнаружения сигнала в фильтре с максимальным сигналом);where t 0 is the estimate of the time the target crosses the line of sight Per A - Pr A 0 (according to the results of detecting a signal in the filter with the maximum signal); t1 - оценка момента времени пересечения целью линии визирования Пер А - Пр A1 (по результатам обнаружения сигнала в фильтре с максимальным сигналом);t 1 - assessment of the time point when the target crosses the line of sight Per A - Pr A 1 (according to the results of detecting a signal in the filter with the maximum signal); Rб - расстояние между приемными позициями, при этом расстояние до цели вдоль линии визирования от Пр А0 на момент пересечения линии визирования равноR b is the distance between the receiving positions, while the distance to the target along the line of sight from Pr A 0 at the moment of crossing the line of sight is
Figure 00000002
Figure 00000002
 где
Figure 00000003
- оценка частотной девиации сигнала (на основании параметров фильтра, в котором произошло обнаружение сигнала при fд=0), при этом R11 определяется аналогично R00, а скорость цели вдоль оси 0х определяется соотношениемWhere
Figure 00000003
- estimation of the frequency deviation of the signal (based on the filter parameters in which the signal was detected at f d = 0), while R 11 is determined similarly to R 00 , and the target speed along the 0x axis is determined by the ratio
Figure 00000004
Figure 00000004
 что позволяет повысить характеристики обнаружения и измерения параметров движения маловысотных малозаметных целей.which improves the detection and measurement of motion parameters of low-altitude stealth targets.
RU2016114998A 2016-04-18 2016-04-18 Radar method for detecting and determining parameters of movement of low-attitude and low-visibility objects in decameter range of waves RU2669702C2 (en)

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RU2711115C1 (en) * 2019-02-14 2020-01-15 Акционерное общество Центральное конструкторское бюро аппаратостроения Radar method of detecting low-visibility targets in pulse-doppler radar station with paa
RU2737279C1 (en) * 2020-04-03 2020-11-26 Федеральное государственное бюджетное учреждение "3 Центральный научно-исследовательский институт" Министерства обороны Российской Федерации Method of determining range of a target in a two-way passive location system using probing signals of an ionospheric over-the-horizon rs
RU2751999C1 (en) * 2020-08-24 2021-07-21 Акционерное общество "Научно-исследовательский институт современных телекоммуникационных технологий" Method for semiactive-passive bistatic determination of location of target
RU2754770C1 (en) * 2020-09-08 2021-09-07 Российская Федерация, от имени которой выступает Министерство промышленности и торговли РФ Method for over-the-horizon target detection

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