CN102221337A - Oil film thickness inversion device of ship borne microwave scatterometer - Google Patents
Oil film thickness inversion device of ship borne microwave scatterometer Download PDFInfo
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- CN102221337A CN102221337A CN 201110070616 CN201110070616A CN102221337A CN 102221337 A CN102221337 A CN 102221337A CN 201110070616 CN201110070616 CN 201110070616 CN 201110070616 A CN201110070616 A CN 201110070616A CN 102221337 A CN102221337 A CN 102221337A
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Abstract
The invention discloses an oil film thickness inversion device of a ship borne microwave scatterometer. The device comprises a microwave scattering transmitter, a microwave scattering receiver and a net device, wherein the microwave scattering transmitter transmits microwaves on the surface of a target object, and scattering lights of various angles are generated; the microwave scattering transmitter receives the scattering lights of the target object, and the obtained scattering lights are finally transmitted to the net device; the net device is an important device of microwave radio frequency circuit measurement, microwave scattering curves can be obtained through the analysis of the net device, and the oil film thickness inversion is carried out through utilizing the microwave scattering curves and a scattering electromagnetic model; and the whole device can be convenient and flexible to operate through mounting a movable window and a sliding-rail-type support on a ship. The microwave scatterometer can be applied to oil spilling detection on the sea all day and all weather, the ship borne microwave scatterometer is convenient and flexible to detect the oil spilling, and simultaneously the oil film inversion by the microwave scatterometer is relatively accurate.
Description
Technical field
The present invention relates to a kind of device of inverting oil film thickness, relate in particular to a kind of boat-carrying microwave scatterometer inverting oil film thickness device, be used to measure the marine oil overflow oil film thickness.
Background technology
Normal mode of using of monitoring marine oil overflow and means are that ship is maked an inspection tour in satellite spacecraft, remote sensing monitoring aircraft and ocean at present, but directly from the remotely-sensed data that satellite, aircraft receive, comprise bulk information, and influenced by objective condition such as weather, have many undesired signals.
Active microwave remote sensing has its important meaning in petroleum pollution in ocean monitoring, this be because it not only can round-the-clock, advantage such as round-the-clock observation, and the more important thing is that microwave remote sensing can be used for the quantitative oil film thickness that is finally inversed by.In order to measure oil spillage, at first must measurements and calculations slick thickness.At present, utilize information such as the main Wind Speed Inversion of microwave equipment microwave scatterometer, wind direction, also do not utilize microwave scatterometer to measure oil spilling thickness both at home and abroad.Measure the device that oil film thickness carries out inverting so be badly in need of a kind of microwave scatterometer that can utilize of development.
Summary of the invention
The present invention is directed to the proposition of above problem, develop a kind of microwave scatterometer that effectively utilizes and measure oil film thickness, and can carry on boats and ships, easy to install and use.
The technological means that the present invention adopts is as follows:
A kind of boat-carrying microwave scatterometer inverting oil film thickness device, comprise microwave scattering transmitter, microwave scattering receiver and lattice gauge, slide rail, sliding rail rack, it is characterized in that described microwave scattering transmitter, be modulated to the microwave of suitable theta alignment target object surface emitting different frequency, microwave irradiation produces the scattered light of each scattering angle in the object surface; The microwave scattering receiver is modulated to the scattered light of suitable angle receiving target thing scattering; Lattice gauge is arranged on the rear portion of the observation end of microwave scattering receiver, lattice gauge is used to analyze the scattered light that receives by the microwave scattering receiver, carry out the spectral signature analysis jointly by digital signal processor and ADS software, be finally inversed by the scattering spectrum curve, utilize scattering spectrum curve and scattering electromagnetic model inverting oil film thickness; Microwave scattering transmitter, microwave scattering receiver and lattice gauge are fixed on the slide rail; The sliding rail rack of slide rail correspondence is fixed on the boats and ships carrier.
Described microwave scattering transmitter is built-in with power controller, angle demodulator, polarization converter and emitting antenna; Power controller is used for the pulse power that the height regulating networks instrument according to boat-carrying platform and oil film object transmits, thereby guarantees the accuracy measured; Angle demodulator is used for regulating as required the incident angle of microwave scattering transmitter; Polarization converter is used for regulating as required the polarization mode (comprising horizontal polarization and vertical polarization) of microwave scattering transmitter; Emitting antenna is used for the launched microwave energy.
Described microwave scattering receiver is built-in with power amplifier, frequency mixer, directional coupler, calibrating device, polarization converter and receiving antenna; Power amplifier is used for calibrating signal is amplified in microwave frequency; Frequency mixer is used for the signal that receiving antenna receives and the mixing of local oscillated signal; Directional coupler is used to separate the incoming signal of scattered signal and other interfering object; Calibrating device is used to eliminate the influence that lattice gauge emitted power and receiving antenna gain shakiness are brought to measuring accuracy; Polarization converter is used for regulating as required the polarization mode (comprising horizontal polarization and vertical polarization) of microwave scattering receiver; Receiving antenna is used to receive the scattared energy of oil film object.
The built-in pulse producer of described lattice gauge, pulse-modulator, signal converter, digital signal processor, ADS software and LCD display; Pulse producer and impulse regulator can provide tone pulse modulation signal and double-tone synchronizing pulse modulation signal, and pumping signal is carried out a frequency and frequency sweep output in the test; Signal converter, being used for resulting analog signal conversion is digital signal; Digital signal processor is used for from the amplitude information and the phase information of the tested network of digital signal extraction; ADS software is used to finish the function such as index planning, principle diagram design, parameters simulation, parameter optimization, domain generation of microwave radio element circuit; LCD display is used to show the microwave scattering curve of generation.
Patent of the present invention has the following advantages:
1, a kind of active microwave remote sensing device can carry out round-the-clock, round-the-clock remote sensing survey;
2, the microwave region electromagnetic wavelength is grown (1mm-30cm), has very strong transmission capacity, can penetrate cloud, rain, mist;
3, microwave scatterometer receives the scattering microwave energy by to sea launched microwave pulse, extracts object information.Because it is water body and oil film are more much smaller than region of ultra-red to the microwave region absorption of electromagnetic wave, highly beneficial to measuring slick thickness with scatterometer;
4, be different from optical sensor be, microwave energy penetrates dark, cloud layer, dust, fog, therefore, it can be worked under any weather condition.
Description of drawings
2 in the total accompanying drawing of the present invention.
Fig. 1 is a structural representation of the present invention;
Fig. 2 is a structure composition frame chart of the present invention.
Wherein, 1, the microwave scattering transmitter, 2, the microwave scattering receiver, 3, lattice gauge, 4, pulse producer, 5, pulse-modulator, 6, signal converter, 7, word signal processor, 8, ADS software, 9, LCD display, 10, power controller, 11, angle demodulator, 12, polarization converter, 13, emitting antenna, 14, power amplifier, 15, frequency mixer, 16, directional coupler, 17, calibrating device, 18, polarization converter, 19, receiving antenna, 20, slide rail, 21, sliding rail rack.
Embodiment
Microwave scatterometer inverting oil film thickness device as shown in Figure 1, 2, comprise the microwave scattering transmitter 1 that is used for to target object surface emitting microwave pulse, be used for the microwave scattering receiver 2 of receiving target thing surface scattering light and be used to analyze the lattice gauge 3 of the scattered light that receives by microwave scattering receiver 2.Utilize digital signal processor 7 and ADS software 8 to carry out the spectral signature analysis jointly behind lattice gauge 3 receiving scattered lights, be finally inversed by the scattering spectrum curve.Utilize scattering spectrum curve and scattering electromagnetic model inverting oil film thickness.
Ship running fixes sliding rail rack 21 and hull to the oil spilling place, instrument is moved to hull by slide rail 20 measure outward.Open microwave scattering transmitter 1, microwave scattering receiver 2 and lattice gauge 3.Operational network instrument 3 is transferred in the microwave scattering transmitter 1 for the 18GHZ-40GHZ microwave pulse with the frequency by its internal pulses generator 4 and impulse regulator 5 actings in conjunction.The transmission pulse energy is by the pulse power of power controller 10 according to the height modulated microwave scattering transmitter 1 of equipment and oil film object, thus the accuracy that assurance is measured.Control emitting antenna 13 launched microwave energy according to the feature of oil film with certain incident angle and polarization mode by angle demodulator 11 and polarization converter 12.Microwave irradiation produces the scattering microwave energy of all angles to the oil film object, and portion of energy is received by microwave scattering receiver 2, and is subjected to the control (comprise horizontal polarization receives and vertical polarization reception) of polarization converter 18.The signal that receives is eliminated lattice gauge 3 emitted power and the unstable influence that brings to measuring accuracy of receiving antenna 19 gains by calibrating device 17 calibrations.The incoming signal that separates scattered signal and other chaff interference then by directional coupler 16.The signal that receiving antenna 19 is received by frequency mixer 15 and the oscillator signal mixing of instrument itself.Amplify in microwave frequency by 14 pairs of calibrating signals of power amplifier.Is digital signal by lattice gauge 3 built-in signal converters 6 with resulting analog signal conversion.From the gained digital signal, extract the amplitude information and the phase information of tested network by digital signal processor 7.Draw out the scattering wave spectral curve of oil film by ADS software 8, finally demonstrate curve by LCD display 9.
Claims (4)
1. boat-carrying microwave scatterometer inverting oil film thickness device, comprise microwave scattering transmitter (1), microwave scattering receiver (2) and lattice gauge (3), slide rail (20), sliding rail rack (21), it is characterized in that described microwave scattering transmitter (1), be modulated to the microwave of suitable theta alignment target object surface emitting different frequency, microwave irradiation produces the scattered light of each scattering angle in the object surface; Microwave scattering receiver (2) is modulated to the scattered light of suitable angle receiving target thing scattering; Lattice gauge (3) is arranged on the rear portion of the observation end of microwave scattering receiver (2), lattice gauge (3) is used for analyzing the scattered light that receives by microwave scattering receiver (2), carry out the spectral signature analysis jointly by digital signal processor (7) and ADS software (8), be finally inversed by the scattering spectrum curve, utilize scattering spectrum curve and scattering electromagnetic model inverting oil film thickness; Microwave scattering transmitter (1), microwave scattering receiver (2) and lattice gauge (3) are fixed on the slide rail (20); The sliding rail rack (21) that slide rail (20) is corresponding is fixed on the boats and ships carrier.
2. a kind of boat-carrying microwave scatterometer inverting oil film thickness device according to claim 1 is characterized in that described microwave scattering transmitter (1) is built-in with power controller (10), angle demodulator (11), polarization converter (12) and emitting antenna (13); Power controller (10) is used for the pulse power that the height regulating networks instrument (3) according to boat-carrying platform and oil film object transmits, thereby guarantees the accuracy measured; Angle demodulator (11) is used for regulating as required the incident angle of microwave scattering transmitter (1); Polarization converter (12) is used for regulating as required the polarization mode (comprising horizontal polarization and vertical polarization) of microwave scattering transmitter (1); Emitting antenna (13) is used for the launched microwave energy.
3. a kind of boat-carrying microwave scatterometer inverting oil film thickness device according to claim 1 is characterized in that described microwave scattering receiver (2) is built-in with power amplifier (14), frequency mixer (15), directional coupler (16), calibrating device (17), polarization converter (18) and receiving antenna (19); Power amplifier (14) is used for calibrating signal is amplified in microwave frequency; Frequency mixer (15) is used for the signal that receiving antenna (19) receives and the mixing of local oscillated signal; Directional coupler (16) is used to separate the incoming signal of scattered signal and other interfering object; Calibrating device (17) is used to eliminate lattice gauge (3) emitted power and the unstable influence that brings to measuring accuracy of receiving antenna (19) gain; Polarization converter (18) is used for regulating as required the polarization mode (comprising horizontal polarization and vertical polarization) of microwave scattering receiver (2); Receiving antenna (19) is used to receive the scattared energy of oil film object.
4. a kind of boat-carrying microwave scatterometer inverting oil film thickness device according to claim 1 is characterized in that the built-in pulse producer of described lattice gauge (3) (4), pulse-modulator (5), signal converter (6), digital signal processor (7), ADS software (8) and LCD display (9); Pulse producer (4) and impulse regulator (5) can provide tone pulse modulation signal and double-tone synchronizing pulse modulation signal, and pumping signal is carried out a frequency and frequency sweep output in the test; Signal converter (6), being used for resulting analog signal conversion is digital signal; Digital signal processor (7) is used for from the amplitude information and the phase information of the tested network of digital signal extraction; ADS software (8) is used to finish the function such as index planning, principle diagram design, parameters simulation, parameter optimization, domain generation of microwave radio element circuit; LCD display (9) is used to show the microwave scattering curve of generation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100706162A CN102221337B (en) | 2011-03-23 | 2011-03-23 | Oil film thickness inversion device of ship borne microwave scatterometer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100706162A CN102221337B (en) | 2011-03-23 | 2011-03-23 | Oil film thickness inversion device of ship borne microwave scatterometer |
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| CN102221337A true CN102221337A (en) | 2011-10-19 |
| CN102221337B CN102221337B (en) | 2012-07-04 |
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| CN2011100706162A Expired - Fee Related CN102221337B (en) | 2011-03-23 | 2011-03-23 | Oil film thickness inversion device of ship borne microwave scatterometer |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104775498A (en) * | 2015-04-20 | 2015-07-15 | 中国石油化工股份有限公司 | Method for controlling water environmental risks for petrochemical industries |
| CN108802119A (en) * | 2018-05-30 | 2018-11-13 | 中国科学院东北地理与农业生态研究所 | A kind of free space wave method measuring device |
| CN111412844A (en) * | 2020-04-30 | 2020-07-14 | 重庆交通大学 | Oil film thickness detection method based on oil spill expansion experiment |
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2011
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| CN1300453A (en) * | 1997-12-29 | 2001-06-20 | 钟信贤 | Low-cost high-performance portable phased array antenna system |
| WO2006003076A2 (en) * | 2004-06-30 | 2006-01-12 | Robert Bosch Gmbh | Method and device for a material-penetrative localisation of a measurement signal |
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| CN104775498A (en) * | 2015-04-20 | 2015-07-15 | 中国石油化工股份有限公司 | Method for controlling water environmental risks for petrochemical industries |
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| CN111412844A (en) * | 2020-04-30 | 2020-07-14 | 重庆交通大学 | Oil film thickness detection method based on oil spill expansion experiment |
| CN111412844B (en) * | 2020-04-30 | 2021-06-15 | 重庆交通大学 | Oil film thickness detection method based on oil spill expansion experiment |
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| CN102221337B (en) | 2012-07-04 |
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