WO2019182467A1 - Ensemble mobile de mesures radio pour mesurer les paramètres de signaux rf dans un espace - Google Patents

Ensemble mobile de mesures radio pour mesurer les paramètres de signaux rf dans un espace Download PDF

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Publication number
WO2019182467A1
WO2019182467A1 PCT/RU2018/000175 RU2018000175W WO2019182467A1 WO 2019182467 A1 WO2019182467 A1 WO 2019182467A1 RU 2018000175 W RU2018000175 W RU 2018000175W WO 2019182467 A1 WO2019182467 A1 WO 2019182467A1
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WO
WIPO (PCT)
Prior art keywords
signal
carrier frequency
radio
amplitude
input
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/RU2018/000175
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English (en)
Russian (ru)
Inventor
Виталий Нигаматуллович МУНИРОВ
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Obschestvo S Ogranichennoi Otvetstvennostyu " Ursir"
Original Assignee
Obschestvo S Ogranichennoi Otvetstvennostyu " Ursir"
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Obschestvo S Ogranichennoi Otvetstvennostyu " Ursir" filed Critical Obschestvo S Ogranichennoi Otvetstvennostyu " Ursir"
Priority to DE212018000349.1U priority Critical patent/DE212018000349U1/de
Priority to PCT/RU2018/000175 priority patent/WO2019182467A1/fr
Publication of WO2019182467A1 publication Critical patent/WO2019182467A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • 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
    • G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
    • G01S13/76—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted
    • G01S13/765—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted with exchange of information between interrogator and responder
    • 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
    • G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
    • G01S13/76—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted
    • G01S13/78—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted discriminating between different kinds of targets, e.g. IFF-radar, i.e. identification of friend or foe
    • G01S13/785—Distance Measuring Equipment [DME] systems
    • G01S13/788—Coders or decoders therefor; Special detection circuits
    • 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
    • G01S13/88—Radar or analogous systems specially adapted for specific applications
    • G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
    • G01S13/933—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of aircraft or spacecraft
    • 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
    • G01S7/03—Details of HF subsystems specially adapted therefor, e.g. common to transmitter and receiver

Definitions

  • the group of inventions relates to radio engineering and can be used to perform flight settings and inspections of ground-based radio-technical flight support equipment, to conduct flight radio measurements in space, to take antenna radiation patterns and to determine radio emission sources using an unmanned aerial vehicle.
  • the prior art various solutions aimed at providing checks of various means of radio flight support.
  • the closest solution is the method of flight testing of ground-based radio-technical flight support equipment described in RU 2 501 031 C2, publ. 12/10/2013.
  • UAV remotely piloted aircraft
  • the coordinates of the UAV are measured by an optical device, and at the same time, when working with the said radio equipment, they form on-board receivers measuring radio navigation signals that encode, radiate into free space, receive on the Earth with ground devices, decode , process together with the signals from the output of the optical device, display and record the results of measurements and signal processing s.
  • the technical problem which is aimed by the claimed group of inventions, is to increase the efficiency of flight testing of ground-based means of radio-technical support of flights and flight radio measurements in space.
  • the technical result is to simplify the design of a mobile radio measuring complex while improving the reliability of signal transmission.
  • a transmitter for transmitting an RF signal, configured to generate an RF signal by direct digital synthesis, and the modulation of the signal is carried out by digitally multiplying the amplitude of the carrier frequency by a modulation signal.
  • a receiver has also been developed for receiving an RF signal, configured to demodulate a signal modulated by digitally multiplying the amplitude of the carrier frequency by a modulation signal.
  • the aforementioned receiver and transmitter can be used in a mobile radio measuring complex for measuring the parameters of radio signals in a space containing an unmanned aerial system (UAS) and in various methods of conducting flight inspections of ground-based radio-technical flight support equipment (such as ILS, VOR, DME, Marker, NDB, RDF, light-signaling equipment and others) and flight radio measurements in space using at least one UAS.
  • UAS unmanned aerial system
  • FIG. 1 is an example of a receiver circuit diagram.
  • FIG. 2 is an example of a technical diagram of a transmitter.
  • the claimed mobile radio measuring complex for measuring the parameters of radio signals in space contains an unmanned aerial system (BAS) equipped with a transmitter and receivers for transmitting and receiving an RF signal.
  • BAS unmanned aerial system
  • the UAS is equipped with an appropriate transmitter for transmitting an RF signal.
  • the transmitter is capable of generating an RF signal by direct digital synthesis, and the signal is modulated by digitally multiplying the amplitude carrier frequency to the modulation signal.
  • the transmitter in the particular case of its implementation, in accordance with the example shown in FIG.
  • a central processor 1 DSP
  • DDS digital synthesizer 2
  • DAC digital-to-analog converter 2.3
  • the input of the carrier frequency signal generating unit 2.1 is connected to the output of the central processor 1; low-pass filter 3 (low-pass filter), the input of which is connected to the output of the DAC 2.3; signal amplifier 4, the inputs of which are connected to the central processor 1 and the low-pass filter 3, and the output to the transmitter antenna through an attenuator 5 controlled by the central processor 1; clock generator
  • the transmitter elements can be powered by the voltage stabilizer shown in FIG. 1.
  • the voltage stabilizer forms the supply voltage of all transmitter nodes, in combination with the power supervisor 11 (Power Supervisor), the stabilizer forms certain sequences of supply and removal of supply voltage when turning it on and off, as well as device reset signals
  • the transmitter can be equipped with an additional signal amplifier 4 connected to the output of the attenuator 5, the output of which is connected to an additional attenuator 5 controlled by the central processor 1.
  • the Central processor 1 in accordance with a predetermined flight test program for receivers of ground-based radio flight support equipment sends commands to block 2.1 to generate a carrier frequency signal in accordance with the parameters specified by the program.
  • the generated carrier signal is then fed to the amplitude, frequency and phase modulator 2.2, configured to modulate the signal by digitally multiplying the amplitude of the carrier frequency by the modulation signal.
  • the parameters of the modulation signal to the specified modulator 2.2 are received from the central processor 1.
  • ec is the carrier frequency
  • the modulated signal is fed to the DAC 2.3, where it is converted into an amplitude analog spectrum.
  • the synchronization in the operation of the central processor, the carrier signal generating unit 2.1 and the DAC 2.3 is provided by a clock 6.
  • a low-pass filter is used 3.
  • the generated and filtered signal is fed to an adjustable amplifier 4.
  • the gain control performed by the central processor in accordance with the specified program the initial value of the output is set. on signal when calibrating.
  • the attenuator is used to set the desired output level. The resolution of the installation is 0.5 dB.
  • the RF signal processed by the attenuator is sent to the output of the transmitter.
  • the generated HF signal is recorded by the receivers of ground-based radio-technical flight support equipment, processed by a computer system to determine the parameters of the received HF signal.
  • the obtained parameters of the RF signal are compared with the reference values of the parameters and a decision is made on the status of the receivers of ground-based radio-technical flight support equipment.
  • the claimed device since the formation of the RF signal is carried out by direct digital synthesis, which provides the most accurate signal synthesis, and the signal is modulated by digitally multiplying the amplitude of the carrier frequency by the modulation signal, the claimed device does not require additional filters and signal amplifiers, which simplifies the design and the reliability of signal transmission of both the transmitter and the mobile radio measuring complex in which this transmitter is used is increased.
  • the BAS is equipped with an appropriate receiver for receiving the RF signal.
  • the UAS receiver is capable of demodulating a signal modulated by direct digital synthesis by multiplying in digital as the amplitude of the carrier frequency to the modulation signal.
  • the receiver in the particular case of its implementation, in accordance with the FIG.
  • 2 as an example contains: connected in series: at least one switch 20 to which an RF input signal is supplied; an amplifier with adjustable gain 21, the input of which is connected to the signal processor 27; a mixer 22, the input of which is connected to the output of the local oscillator 23; a band-pass filter 24, a low-noise intermediate frequency amplifier 25 (UPCH), the input of which is connected to the signal processor 27; quadrature detector 26, combined with the ADC; and a signal processor 27, wherein the input of the local oscillator 23 is connected to the output of the signal processor.
  • UPCH low-noise intermediate frequency amplifier
  • an RF signal with predetermined parameters which are recorded by the antenna of the UAS receiver, is generated by transmitters of ground-based radio-technical flight support transmitters. Accordingly, the signal is fed to the corresponding input of the switch 20 and then transmitted to the amplifier 21 with a gain controlled by the signal processor 27. If necessary, to ensure the possibility of registering the RF signal at different operating frequencies, the receiver can be equipped with input bandpass filters tuned to the required frequency of the radio signals. To switch the filters in accordance with the set operating frequency of the device, additional switches are used, after which the filtered RF signal is fed to a low-noise amplifier 21 with an adjustable gain. The adjustment can be carried out in the range from 0 to 26 dB depending on the input signal level by the signal processor 27. Next, the signal is supplied to the mixer 22.
  • the local oscillator 23 of the mixer 22 has a tuning step of less than 1 Hz, which allows the carrier phase measurement method to measure the carrier frequency of the input signal.
  • the RF signal from the mixer through a band-pass filter 24 is fed to a low-noise amplifier 25 with a gain control range of about 80 dB.
  • the band-pass filter 24 in the above diagram is designed to highlight the useful signal from the output of the mixer and suppress the mirror component of the signal.
  • the amplified signal is fed to a quadrature detector 26, combined with an ADC, at the output of which two orthogonal components of the signal I and Q are obtained.
  • these components are processed by the signal processor 27 in accordance with a given program, extracting from the signal all methods necessary for measurement that are widely known from the level components and the condition of the transmitters of ground-based radio-technical equipment is determined flights. Processing of these components can be performed, for example, by spectral analysis of the signal due to the fast Fourier transform and wavelet analysis.
  • the power of the UAS receiver is provided either from an external 24 V power supply, or from the built-in rechargeable battery.
  • the voltage stabilizer forms all the necessary voltages to power the device modules.
  • the charge controller monitors the battery status and charge / discharge modes.

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Electromagnetism (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)

Abstract

Le groupe d'inventions concerne les équipements radio et peut être utilisé pour effectuer des réglages en vol et des vérifications au sol de moyens d'accompagnement radiotechnique des vols, de réalisation de mesures en vol dans l'espace aérien, le prélèvement de diagramme de directivité d'antennes et des repérage des sources de rayonnement radio au moyen d'un aéronef sans pilote. Le résultat technique consiste à simplifier la conception de l'ensemble mobile de mesures radio et assurer la fiabilité de transmission de signaux. Pour obtenir ce résultat technique, on a mis au point un émetteur pour transmettre le signal RF réalisé de manière à permettre la formation d'un signal RF par procédé de synthèse numérique directe, la modulation de signal s'effectue par la multiplication sous forme numérique de l'amplitude de fréquence de porteuse par le signal de modulation. On a également mis au point un récepteur destiné à recevoir les signaux HF réalisé de manière à permettre la démodulation du signal modulé par multiplication sous forme numérique de l'amplitude de porteuse par le signal de modulation.
PCT/RU2018/000175 2018-03-21 2018-03-21 Ensemble mobile de mesures radio pour mesurer les paramètres de signaux rf dans un espace Ceased WO2019182467A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE212018000349.1U DE212018000349U1 (de) 2018-03-21 2018-03-21 Mobiles Funkmesssystem zur Messung von Funksignalparametern im Raum
PCT/RU2018/000175 WO2019182467A1 (fr) 2018-03-21 2018-03-21 Ensemble mobile de mesures radio pour mesurer les paramètres de signaux rf dans un espace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/RU2018/000175 WO2019182467A1 (fr) 2018-03-21 2018-03-21 Ensemble mobile de mesures radio pour mesurer les paramètres de signaux rf dans un espace

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WO2019182467A1 true WO2019182467A1 (fr) 2019-09-26

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DE (1) DE212018000349U1 (fr)
WO (1) WO2019182467A1 (fr)

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CN115184881B (zh) * 2022-06-23 2023-07-07 石家庄银河微波技术股份有限公司 一种脉冲应答机的老炼测试台、老炼测试方法及系统

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2282944C2 (ru) * 1999-12-21 2006-08-27 Рудольф БАННАШ Способы и устройства для передачи и приема информации
RU2501031C2 (ru) * 2011-08-05 2013-12-10 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Южно-Уральский государственный университет" (национальный исследовательский университет) (ФГБОУ ВПО "ЮУрГУ" (НИУ)) Способ летных проверок наземных средств радиотехнического обеспечения полетов и устройства для его применения
RU170728U1 (ru) * 2016-12-27 2017-05-04 Акционерное общество "Ульяновский механический завод" Радиолокационная станция для самоходной огневой установки

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2282944C2 (ru) * 1999-12-21 2006-08-27 Рудольф БАННАШ Способы и устройства для передачи и приема информации
RU2501031C2 (ru) * 2011-08-05 2013-12-10 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Южно-Уральский государственный университет" (национальный исследовательский университет) (ФГБОУ ВПО "ЮУрГУ" (НИУ)) Способ летных проверок наземных средств радиотехнического обеспечения полетов и устройства для его применения
RU170728U1 (ru) * 2016-12-27 2017-05-04 Акционерное общество "Ульяновский механический завод" Радиолокационная станция для самоходной огневой установки

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