WO2011065868A1 - Способ определения диэлектрической проницаемости диэлектрического объекта - Google Patents
Способ определения диэлектрической проницаемости диэлектрического объекта Download PDFInfo
- Publication number
- WO2011065868A1 WO2011065868A1 PCT/RU2010/000724 RU2010000724W WO2011065868A1 WO 2011065868 A1 WO2011065868 A1 WO 2011065868A1 RU 2010000724 W RU2010000724 W RU 2010000724W WO 2011065868 A1 WO2011065868 A1 WO 2011065868A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- dielectric
- dielectric object
- microwave
- reflector
- video image
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N22/00—Investigating or analysing materials by the use of microwaves or radio waves, i.e. electromagnetic waves with a wavelength of one millimetre or more
-
- 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
- G01S13/887—Radar or analogous systems specially adapted for specific applications for detection of concealed objects, e.g. contraband or weapons
Definitions
- the invention relates to the field of electrical engineering, in particular, to remote measurement of the dielectric constant of dielectrics.
- a known method for determining the dielectric constant of a material which consists in irradiating the test sample with an electromagnetic wave by a two-arm radiator, changing the phase difference of the signals in the arms of the radiator and measuring the amplitude of the transmitted angle wave and determining the dielectric constant; simultaneously with the change in the phase difference in the arms of the emitter, the dependence of the amplitude of the transmitted wave on the arm length is removed, and the dielectric 9
- permeability is determined by the formula where ⁇ 0
- ⁇ b - wavelength in a two-arm emitter ⁇ is the period of zeros of the amplitude of the transmitted wave, and the angle ⁇ is selected from the relation where d k is the limiting
- a known method for determining the dielectric constant of a dielectric object by irradiating a dielectric object with coherent microwave radiation at N frequencies; Irradiation is performed against the background of reflectors, which are the boundaries of the layers of the object, or the boundary of the dielectric object and air, or the physical body on which the studied dielectric object is placed.
- the signal reflected from the dielectric object and the reflector is recorded, the received signals are converted to the time domain, the peak time components in the time spectrum are extracted, the times of the selected peak time components are measured, and the dielectric permeability and layer thickness; sounding and reception are carried out in the sector of angles, and the dielectric constant and layer thickness are determined by the formulas:
- i is the layer number
- 8j ⁇ ⁇ is the dielectric constant of the i and p layers
- E is the dielectric constant of the medium in which the sounding and reception of signals are carried out
- ⁇ 1 (- thick i-ro layer; A1 ⁇ --- - wherein h] and p 2 - height from the interface between the first and second layers to places where sensing is performed and the place of reception signals, respectively
- a ⁇ rA - angle receiving a signal reflected from the interface of the i and ill layers, c is the speed of light
- lj is the frequency of the i-th peak component of the time spectrum corresponding to the reflection of the signal from the interface of the i and 5 M layers
- d is the projection on the sensed surface of the distance between the place from where the sounding is made and the place of reception of signals, RU 2039352 C 1.
- the present invention is the ability to remotely determine the dielectric constant of a moving dielectric object of irregular shape.
- the distance Z 3 between the microwave source is determined in the general coordinate system, the distance Z
- the implementation of the distinguishing features of the invention leads to important new properties of the object, namely, the ability to remotely determine the dielectric constant of a moving dielectric object of irregular shape.
- the applicant has not identified sources of information that would contain information about the influence of the distinguishing features of the invention on the achieved technical result.
- These new properties of the object determine, according to the applicant, the invention meets the criterion of "Inventive step"("IS").
- a mannequin imitating a human body with a dielectric object attached to it — beeswax, whose dielectric constant was required to be determined — was taken as a reflector.
- a mannequin with a dielectric object attached to it was irradiated with coherent microwave radiation at 14 equidistant frequencies in the frequency range from 8 to 12 GHz. Irradiation was carried out using a switched flat antenna array with a hexagonal arrangement of radiating elements and consisting of 256 elementary radiators.
- the reflected signal in the form of two quadrature components in two parallel receiving channels recorded by 12-bit analog-to-digital converters. From the output of the receiving channels, the data corresponding to the electrical component of the registered scattered electromagnetic field was sent to a computer, where a microwave image was formed by the focusing (coherent processing) method corresponding to only one three-dimensional surface formed from points corresponding to the maximum intensities of the reconstructed configuration of the diffusers of the dielectric object and reflector. Synchronously with microwave irradiation, a video image of the dielectric object and the reflector was obtained using two digital spatially separated video cameras SDU-415 and a three-dimensional video image of the region including the dielectric object and the reflector was built.
- the microwave image and the three-dimensional video image were converted into a common coordinate system - in this case, the general coordinate system is defined by the plane of the antenna array and the perpendicular to it, drawn through its center. Then two images were analyzed - a microwave image and a three-dimensional video image - in a common coordinate system.
- the value Z) was determined - the distance between the microwave radiation source and the portion of the microwave image of the reflector free from the dielectric object and the distance Z 2 between the microwave source and the portion of the microwave image of the reflector in the zone of the dielectric object, the distance Z 3 between the source was determined from the video image Microwave radiation and a video image of a dielectric object, while the dielectric constant of the dielectric object against the background of the reflector was determined from the relation: ⁇
- this object does not belong to the common and currently used explosives, such as TNT, hexagen, tetryl, plastid.
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- Physics & Mathematics (AREA)
- Remote Sensing (AREA)
- Radar, Positioning & Navigation (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Pathology (AREA)
- Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Immunology (AREA)
- Analytical Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Computer Networks & Wireless Communication (AREA)
- Measurement Of Resistance Or Impedance (AREA)
- Radar Systems Or Details Thereof (AREA)
- Length-Measuring Devices Using Wave Or Particle Radiation (AREA)
- Geophysics And Detection Of Objects (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
Description
Claims
Priority Applications (17)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012541048A JP5260799B2 (ja) | 2009-11-26 | 2010-11-24 | 誘電体の誘電率の決定方法 |
ES10833645.4T ES2557457T3 (es) | 2009-11-26 | 2010-11-24 | Método para la determinación de la permitividad dieléctrica de un objeto dieléctrico |
BR112012012587-7A BR112012012587B1 (pt) | 2009-11-26 | 2010-11-24 | Método para determinar a permissividade dielétrica de um objeto dielétrico. |
UAA201207509A UA102197C2 (ru) | 2009-11-26 | 2010-11-24 | Способ определения диэлектрической проницаемости диэлектрического объекта |
DK10833645.4T DK2505995T3 (en) | 2009-11-26 | 2010-11-24 | Method for determining the dielectric permittivity of a dielectric object |
US13/120,494 US8228374B2 (en) | 2009-11-26 | 2010-11-24 | Method to determine dielectric permeability of dielectric object |
MX2012006103A MX2012006103A (es) | 2009-11-26 | 2010-11-24 | Metodo para determinar la permitividad dielectrica de un objeto dielectrico. |
CN201080053656.XA CN102630300B (zh) | 2009-11-26 | 2010-11-24 | 确定电介质物体的电介质介电常数的方法 |
KR1020127013648A KR101332957B1 (ko) | 2009-11-26 | 2010-11-24 | 유전체 물체의 유전율을 결정하기 위한 방법 |
AU2010325268A AU2010325268B2 (en) | 2009-11-26 | 2010-11-24 | Method for determining the dielectric permittivity of a dielectric object |
PL10833645T PL2505995T3 (pl) | 2009-11-26 | 2010-11-24 | Sposób wyznaczania przenikalności dielektrycznej obiektu dielektrycznego |
EP10833645.4A EP2505995B1 (en) | 2009-11-26 | 2010-11-24 | Method for determining the dielectric permittivity of a dielectric object |
CA2781590A CA2781590C (en) | 2009-11-26 | 2010-11-24 | Method for determining the dielectric permittivity of a dielectric object |
NZ599725A NZ599725A (en) | 2009-11-26 | 2010-11-24 | Method for determining the dielectric permittivity of a dielectric object |
ZA2012/03382A ZA201203382B (en) | 2009-11-26 | 2012-05-08 | Method for determining the dielectric permittvity of a dielectric object |
IL219999A IL219999A (en) | 2009-11-26 | 2012-05-24 | A method for determining the dielectric coefficient of dielectric bone |
HK13103753.6A HK1176404A1 (en) | 2009-11-26 | 2013-03-26 | Method for determining the dielectric permittivity of a dielectric object |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2009145423/07A RU2408005C1 (ru) | 2009-11-26 | 2009-11-26 | Способ определения диэлектрической проницаемости диэлектрического объекта |
RU2009145423 | 2009-11-26 |
Publications (1)
Publication Number | Publication Date |
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WO2011065868A1 true WO2011065868A1 (ru) | 2011-06-03 |
Family
ID=44055871
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/RU2010/000724 WO2011065868A1 (ru) | 2009-11-26 | 2010-11-24 | Способ определения диэлектрической проницаемости диэлектрического объекта |
Country Status (19)
Country | Link |
---|---|
US (1) | US8228374B2 (ru) |
EP (1) | EP2505995B1 (ru) |
JP (1) | JP5260799B2 (ru) |
KR (1) | KR101332957B1 (ru) |
CN (1) | CN102630300B (ru) |
BR (1) | BR112012012587B1 (ru) |
CA (1) | CA2781590C (ru) |
DK (1) | DK2505995T3 (ru) |
ES (1) | ES2557457T3 (ru) |
HK (1) | HK1176404A1 (ru) |
IL (1) | IL219999A (ru) |
MX (1) | MX2012006103A (ru) |
NZ (1) | NZ599725A (ru) |
PL (1) | PL2505995T3 (ru) |
PT (1) | PT2505995E (ru) |
RU (1) | RU2408005C1 (ru) |
UA (1) | UA102197C2 (ru) |
WO (1) | WO2011065868A1 (ru) |
ZA (1) | ZA201203382B (ru) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
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RU2669190C1 (ru) | 2013-11-19 | 2018-10-09 | Апстек Системс Юэсэй Ллс | Метод дистанционого обнаружения и анализа объектов |
ES2908832T3 (es) * | 2013-11-19 | 2022-05-04 | Apstec Systems Ltd | Barrera de evaluación inteligente |
WO2015077169A1 (en) * | 2013-11-19 | 2015-05-28 | Apstec Systems Usa Llc | Standoff detection and analysis of objects |
CN104931797B (zh) * | 2015-07-16 | 2017-08-25 | 上海无线电设备研究所 | 基于透波机制的有耗媒质介电常数的测量方法 |
RU2652530C1 (ru) * | 2017-05-05 | 2018-04-26 | Алексей Андреевич Калмыков | Трехмерная система голографического радиовидения для досмотра |
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GB2458764A (en) * | 2008-03-18 | 2009-10-07 | Univ Manchester Metropolitan | Remote detection and measurement of a metallic or dielectric object |
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2009
- 2009-11-26 RU RU2009145423/07A patent/RU2408005C1/ru active
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2010
- 2010-11-24 CN CN201080053656.XA patent/CN102630300B/zh active Active
- 2010-11-24 NZ NZ599725A patent/NZ599725A/en not_active IP Right Cessation
- 2010-11-24 BR BR112012012587-7A patent/BR112012012587B1/pt not_active IP Right Cessation
- 2010-11-24 PT PT108336454T patent/PT2505995E/pt unknown
- 2010-11-24 UA UAA201207509A patent/UA102197C2/ru unknown
- 2010-11-24 DK DK10833645.4T patent/DK2505995T3/en active
- 2010-11-24 WO PCT/RU2010/000724 patent/WO2011065868A1/ru active Application Filing
- 2010-11-24 CA CA2781590A patent/CA2781590C/en active Active
- 2010-11-24 EP EP10833645.4A patent/EP2505995B1/en active Active
- 2010-11-24 ES ES10833645.4T patent/ES2557457T3/es active Active
- 2010-11-24 KR KR1020127013648A patent/KR101332957B1/ko active IP Right Grant
- 2010-11-24 US US13/120,494 patent/US8228374B2/en active Active
- 2010-11-24 JP JP2012541048A patent/JP5260799B2/ja active Active
- 2010-11-24 PL PL10833645T patent/PL2505995T3/pl unknown
- 2010-11-24 MX MX2012006103A patent/MX2012006103A/es active IP Right Grant
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2012
- 2012-05-08 ZA ZA2012/03382A patent/ZA201203382B/en unknown
- 2012-05-24 IL IL219999A patent/IL219999A/en active IP Right Grant
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2013
- 2013-03-26 HK HK13103753.6A patent/HK1176404A1/xx not_active IP Right Cessation
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RU1800333C (ru) | 1990-08-01 | 1993-03-07 | Институт Проблем Машиностроения Ан Усср | Способ определени диэлектрической проницаемости и устройство дл его осуществлени |
RU2039352C1 (ru) | 1992-04-30 | 1995-07-09 | Научно-исследовательский центр "Резонанс" | Способ определения диэлектрических проницаемостей и толщин слоев многослойной среды |
JPH09243577A (ja) * | 1996-03-13 | 1997-09-19 | Hino Motors Ltd | 誘電材料の識別装置 |
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GB2458764A (en) * | 2008-03-18 | 2009-10-07 | Univ Manchester Metropolitan | Remote detection and measurement of a metallic or dielectric object |
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Title |
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See also references of EP2505995A4 |
Also Published As
Publication number | Publication date |
---|---|
JP2013512430A (ja) | 2013-04-11 |
EP2505995A4 (en) | 2013-06-26 |
UA102197C2 (ru) | 2013-06-10 |
BR112012012587A2 (pt) | 2017-12-12 |
KR20120112421A (ko) | 2012-10-11 |
PT2505995E (pt) | 2016-01-26 |
CA2781590A1 (en) | 2011-06-03 |
US20110304698A1 (en) | 2011-12-15 |
US8228374B2 (en) | 2012-07-24 |
RU2408005C1 (ru) | 2010-12-27 |
KR101332957B1 (ko) | 2013-11-25 |
ES2557457T3 (es) | 2016-01-26 |
IL219999A (en) | 2016-03-31 |
AU2010325268A1 (en) | 2012-08-16 |
CN102630300B (zh) | 2014-11-26 |
HK1176404A1 (en) | 2013-07-26 |
CN102630300A (zh) | 2012-08-08 |
CA2781590C (en) | 2013-10-01 |
PL2505995T3 (pl) | 2016-04-29 |
EP2505995A1 (en) | 2012-10-03 |
EP2505995B1 (en) | 2015-11-04 |
JP5260799B2 (ja) | 2013-08-14 |
ZA201203382B (en) | 2013-01-30 |
MX2012006103A (es) | 2012-10-05 |
NZ599725A (en) | 2014-11-28 |
DK2505995T3 (en) | 2016-01-11 |
BR112012012587B1 (pt) | 2019-09-17 |
IL219999A0 (en) | 2012-07-31 |
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