RU2011134103A

RU2011134103A - LARGE-DIFFERENCE-DIFFERENCE-LONG-DIMENSIONAL METHOD FOR DETERMINING THE COORDINATES OF THE LOCATION OF RADIO EMISSION SOURCES AND IMPLEMENTING ITS DEVICE

Info

Publication number: RU2011134103A
Application number: RU2011134103/07A
Authority: RU
Inventors: Юрий Иванович Логинов; Олег Борисович Екимов; Борис Маврович Антипин; Андрей Аркадьевич Гриценко; Владимир Николаевич Павлов; Людмила Борисовна Портнаго
Original assignee: Юрий Иванович Логинов; Олег Борисович Екимов; Борис Маврович Антипин; Андрей Аркадьевич Гриценко; Владимир Николаевич Павлов; Людмила Борисовна Портнаго
Priority date: 2011-08-12
Filing date: 2011-08-12
Publication date: 2013-02-20
Also published as: RU2510038C2

Abstract

1. Способ определения координат местоположения источников радиоизлучения, основанный на измерении уровней и разности времени прихода сигнала от ИРИ на разнесенные антенны сканирующими радиоприемными устройствами и преобразованных в систему уравнений, отличающийся тем, что используют два стационарных радиоконтрольных поста, один из которых принимают за ведущий, соединяя с другим линией связи, калибруют измеритель величины запаздывания прихода сигналов на посты, используя эталонные РЭС с известными параметрами сигналов и координатами местоположения, на постах осуществляют квазисинхронное сканирование для выявления ИРИ, а затем выполняяют измерение уровней сигналов на заданных фиксированных частотах настройки и величин запаздывания прихода сигналов ИРИ, передачу их на ведущий пост, где вычисляют отношение уровней и разность запаздывания прихода сигналов ИРИ с использованием результатов калибровки измерителей, а также составляют два уравнения, каждое из которых описывает окружность с радиусом равным расстоянию от поста до ИРИ, причем эти расстояния определяют через отношение уровней сигналов и разность величин запаздывания прихода сигнала, измеренных на постах с использованием только одной пары антенн с известными азимутом осей главного лепестка и диаграммами направленности, главный лепесток каждой из которых расположен в разных полуплоскостях относительно линии базы, а координаты ИРИ определяют численным методом решения составленных уравнений, принимая за истинные лишь координаты, относящиеся к той полуплоскости относительно линии базы, в которой находится главный лепесток антенны с наиб�1. The method of determining the coordinates of the location of sources of radio emission, based on measuring the levels and the difference in the time of arrival of the signal from the IRI to spaced antennas by scanning radio receivers and converted into a system of equations, characterized in that they use two stationary radio monitoring posts, one of which is taken as the leader, connecting with another communication line, calibrate the meter of the delay value of the arrival of signals to the posts using reference RES with known signal parameters and coordinates locations, at posts, they perform quasi-synchronous scanning to detect IRI, and then they measure signal levels at given fixed tuning frequencies and delay values of arrival of IRI signals, transfer them to the leading post, where the ratio of levels and difference of delay of arrival of IRI signals are calculated using the results of calibration of meters , and also make up two equations, each of which describes a circle with a radius equal to the distance from the post to the IRI, and these distances determine the Without the ratio of signal levels and the difference in the values of the signal arrival delay measured at the posts using only one pair of antennas with the known azimuth of the main lobe axes and radiation patterns, the main lobe of each of which is located in different half-planes relative to the base line, and the IRI coordinates are determined by a numerical solution method equations, taking for true only the coordinates related to that half-plane relative to the base line in which the main antenna lobe with the most

Claims

1. The method of determining the coordinates of the location of sources of radio emission, based on measuring the levels and the difference in the time of arrival of the signal from the IRI to spaced antennas by scanning radio receivers and converted into a system of equations, characterized in that they use two stationary radio monitoring posts, one of which is taken as the leader, connecting with another communication line, calibrate the meter of the delay value of the arrival of signals to the posts using reference RES with known signal parameters and coordinates locations, at posts, they perform quasi-synchronous scanning to detect IRI, and then they measure signal levels at given fixed tuning frequencies and delay values of arrival of IRI signals, transfer them to the leading post, where the ratio of levels and difference of delay of arrival of IRI signals are calculated using the results of calibration of meters , and also make up two equations, each of which describes a circle with a radius equal to the distance from the post to the IRI, and these distances determine the Without the ratio of signal levels and the difference in the values of the signal arrival delay measured at the posts using only one pair of antennas with the known azimuth of the main lobe axes and radiation patterns, the main lobe of each of which is located in different half-planes relative to the base line, and the IRI coordinates are determined by a numerical solution method equations, taking for true only the coordinates related to that half-plane relative to the base line in which the main antenna lobe with the most lshim level of the received signal.

2. The method according to claim 1, characterized in that for a priori the uncertainty of the calculated coordinates of the PXR location is used instead of directional antennas, and the coordinates are calculated according to the equations made, without resorting to numerical methods for solving them.

3. A device for determining the location coordinates of radio emission sources, comprising posts connected by bi-directional communication lines, including receiving antennas, scanning radio receivers controlled by a computer, characterized in that it contains two identical radio monitoring posts, one of which is the leading one, and a meter at each station the values of the delay in the arrival of signals, and the antenna outputs are connected to the inputs of the scanning radios, the control computer is connected by bi-directional communications with the device PTO connection, and scanning receiver meter values delay arrival of the signals, whose input is connected to the output of the scanning receiver.