CN106125084A - Ocean based on the buoy long-term on-Line Monitor Device of the cloud level and method - Google Patents
Ocean based on the buoy long-term on-Line Monitor Device of the cloud level and method Download PDFInfo
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- CN106125084A CN106125084A CN201610645208.8A CN201610645208A CN106125084A CN 106125084 A CN106125084 A CN 106125084A CN 201610645208 A CN201610645208 A CN 201610645208A CN 106125084 A CN106125084 A CN 106125084A
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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
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
- G01S17/06—Systems determining position data of a target
- G01S17/08—Systems determining position data of a target for measuring distance only
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01W—METEOROLOGY
- G01W1/00—Meteorology
- G01W1/08—Adaptations of balloons, missiles, or aircraft for meteorological purposes; Radiosondes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/10—Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation
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Abstract
A kind of ocean based on buoy long-term on-Line Monitor Device of the cloud level, including buoy, buoy is provided with Laser-ceilometer, buoy attitude measurement module, cloud level correction-compensation module, communication module and meteorological hydrological observation subsystem;Buoy attitude measurement module is for measuring the bow of buoy platform to, roll and the attitude parameter of pitching, and cloud level correction-compensation module, according to the attitude parameter of ceilometer, it is achieved the correction of cloud level observation and compensation, communication module is for uploading data, for user.Present invention laser radar based on the buoy cloud level is observed, measurement result is accurately and reliably, can realize that long-term, continuous, the real-time high accuracy away from seashore, the high-spatial and temporal resolution cloud level, cloud be thick and the marine environmental monitoring of the conventional maritime meteorology hydrology, thering is provided data supporting accurately and reliably for marine atmosphere scientific research, weather forecast, ocean shipping, marine military affairs etc., the development to multiple fields such as marine economy, ocean science and marine right-safeguarding is significant.
Description
Technical field
The present invention relates to marine environmental monitoring field, particularly relate to a kind of ocean based on buoy long-term on-line monitoring of the cloud level
Device and method.
Background technology
Cloud is a kind of common weather phenomenon, and cloud is thermal procession and the external presentation of dynamic process in air, the most also
It it is the important step of Water Cycle.Cloud is not only the significant weather phenomenon affecting routine work life, is also identified as being to threaten
Air force's system and Mission Success most significantly limit one of factor.The observation of cloud in atmospheric science research and weather service (as
Analyze weather, Climate and Environment Variation, steam phase transition process, weather forecast etc.) play vital effect.
The method of cloud level observation at present mainly has artificial range estimation, balloon sounding, airplane sounding, space base moonscope and ground
Observation etc..Artificial observation personal error is big the most on the bank, and can only observe on the bank with the offshore cloud level, it is impossible to realize the off-lying sea cloud level and see
Survey;The pibal observation time is long, and cost is high, and spatial and temporal resolution is relatively low, it is impossible to cloud carries out long-time consecutive variations observation, and in sea
On be more difficult to operate;Airplane sounding is generally airborne microwave radiometer form, can flexible realize some region of quickly
Observation, but cost is high, is affected greatly by strong convective weather;Space base moonscope mainly includes visible ray, infrared, microwave passive remote sensing
With spaceborne radar active remote sensing, there is space and cover the advantages such as wide, but it is the best for low clouds Effect on Detecting, it is difficult to local
Specified sea areas carries out the observation that becomes more meticulous, and this exactly marine vessel navigate by water particularly open sea aeroplane flight special concern, and
And space-based observation is easily affected by various atmospheric substances and earth surface feature;Ground based observa tion mainly includes millimetre-wave radar, swashs
The modes such as optical radar, microwave radiometer and all-sky image-forming radiation instrument, wherein laser radar is the most portable with it, it is many to measure
Layer (3 layers) vertical stratification of cloud, spatial resolution advantages of higher increasingly come into one's own, and are suitable for marine boat-carrying observation,
But the observation of the boat-carrying cloud level needs to employ boat trip observation, somewhat expensive, and can not realize marine continuous monitoring.
And marine environmental monitoring buoy is one is anchored to sea, it is possible to lay marine site carry out long-term, continuous, see in real time
The modernization automatic ocean environment observation platform surveyed, has the ability resisting the exceedingly odious weather such as typhoon.Therefore proposition is needed badly
A kind of ocean based on buoy cloud level continuous monitoring apparatus and method, it is possible to combine marine environmental monitoring buoy and laser thunder
The advantage reaching ceilometer, it is achieved thick isoparametric long-term, the Continuous Observation of marine multilamellar (3 layers) cloud level, cloud, for maritime meteorological science
Research, weather service observation and forecast, ship, aircraft navigation etc. provide data supporting.
Summary of the invention
It is an object of the invention to provide a kind of ocean based on buoy long-term on-Line Monitor Device of the cloud level and method, to overcome
The most marine cloud level is difficult to the deficiency of continuous monitoring.
A kind of ocean based on buoy long-term on-Line Monitor Device of the cloud level, it is characterised in that include pacifying on buoy, this buoy
Equipped with Laser-ceilometer, described Laser-ceilometer is also associated with buoy attitude measurement module, cloud level correction-compensation module, communication
Module and meteorological hydrological observation subsystem;
Described buoy is used for installing Laser-ceilometer, buoy attitude measurement module, meteorological model observation subsystem, communication mould
Block, and provide power supply for each device;
Being provided with optical filter before the camera lens of described Laser-ceilometer, described optical filter uses the arrowband of 905nm half-band width 2nm to do
Relate to optical filter, be placed between reception lens and the photodetector of Laser-ceilometer;Laser-ceilometer is a length of to overhead transmitted wave
The near infrared band laser pulse of 905nm;
Described Laser-ceilometer includes hermetic housing, and housing has the upper surface of inclination, and upper surface is provided with two
Microlens window;And it is externally provided with full-automatic brush at microlens window, to realize according to the setting time, camera lens being cleared up;
Described buoy attitude measurement module is high-precision attitude measuring instrument, for measure the bow of buoy platform to, roll and
The attitude parameter of pitching,
Described meteorological model observation subsystem, lays the temperature including wind speed and direction, Layer Near The Sea Surface in marine site for observing buoy
Degree, humidity, pressure and wave, ocean current, in interior conventional meteorological model parameter, provide synthetic marine for marine laser cloud height observation
Atmospheric reference;
Described cloud level correction-compensation module, according to the attitude parameter of ceilometer, it is achieved the correction of cloud level observation and compensation,
Described communication module, for encoding the cloud level, the thick and conventional meteorological model ambient parameter of cloud of observation, and lead to
Cross conventional communications mode and be transferred to data receiver processing center on the bank, for user.
The mode that described power supply sampling solar panel and accumulator combine.
Described full-automatic brush-system includes electricity brush drive motor, and the rotating shaft front end of motor connects electricity by hinge member
Brush, drives brush back and forth to clean on microlens window by motor.
Described electricity brush drive motor uses 36HSY type low-power consumption motor;Described brush uses small-size multifunction rain brush.
Described buoy attitude measurement module uses XW-GI5651 type high-precision attitude measuring instrument.
Utilize the method that said apparatus carries out the long-term on-line monitoring of the ocean cloud level, it is characterised in that comprise the following steps:
The first step, initialization Laser-ceilometer, the detection height, spatial resolution and the data that arrange Laser-ceilometer update
Rate parameter;
Second step, the ceilometer being secured on buoy by buoy attitude measurement module bow to, roll and pitching
Attitude parameter;Meanwhile, the maritime meteorology hydrological observation subsystem passed through, it is thus achieved that include buoy lay marine site wind speed and direction,
The temperature of Layer Near The Sea Surface, humidity, pressure and wave, ocean current are in interior conventional meteorological model parameter;
3rd step, Laser-ceilometer launch laser pulse quick, low-energy in air, above explorer portion receives
From cloud and aerocolloidal back scattering laser signal, convert optical signals to the signal of telecommunication by highly sensitive photelectric receiver,
It is stored in microprocessor after high rate photon enumerator collection, and then is calculated the cloud level, cloud thickness information;
The bow of the Laser-ceilometer that the 4th step, cloud level correction-compensation module obtain according to second step is to, roll and pitching
The cloud amount compensation for information that 3rd step is obtained by attitude parameter, and then obtain the actual cloud level in buoy platform overhead, Yun Houcan
Number;
The above-mentioned cloud level, cloud thickness parameter and conventional maritime meteorology hydrologic parameter are encoded by the 5th step, communication module, and
Sent to data receiver processing center on the bank by communication antenna, for user.
The cloud level in above-mentioned steps three, four is measured as follows with compensation method:
Following cloud level measure equation is utilized directly to measure the cloud level:
In formula, h ' directly measures the cloud level;
PrEcho power on photo-detector;
PtThe laser pulse power that laser instrument is launched;
ArThe effective area of receiving optics;
The transmitance of Kt optical transmitting system;
The transmitance of Kr receiving optics;
The reflection coefficient of ρ cloud body;
Ta 2Round trip atmospheric transmittance;
aTThe angle of divergence loss coefficient of optical transmitting system;
For a Laser-ceilometer, the effective area A of receiving opticsr, launch and the passing through of receiving optics
Rate Kt and Kr, the angle of divergence loss coefficient a of optical transmitting systemTFor given value, the laser pulse power P that laser instrument is launchedtAlso may be used
Determine, use local geographical position and weather condition according to Laser-ceilometer, it may be determined that the reflection coefficient ρ of cloud body and round trip
Atmospheric transmittance Ta 2, and can be modified, therefore, only according to the measured value of meteorological model observation subsystem conventional on buoy
Echo power P on photo-detector to be detectedr, bringing formula into can be in the hope of the ceilometer cloud level measured directly numerical value;
By the roll of buoy attitude measurement module, pitching attitude parameter, inclined at three dimensions synthetic laser ceilometer laser
From deviation angle θ of axle vertically upward, then cloud level actual value h=h ' × cos θ when buoy rocks, it is achieved the correction of cloud level observation
And compensation;H represents the actual cloud level value after overcompensation.
Invention advantage
Ceilometer is usually the fixing use in land, it is desirable to vertical or inclination fixed angle is installed.Buoy is that one is anchored to
Marine, it is possible to carry out modernization long-term, continuous, real-time monitored automatic ocean environment observation platform to laying marine site, it is a kind of
With the wind, wave, stream wave, pitching, the floating platform of heave movement, also have the impact of the marine adverse circumstances such as salt fog, stormy waves, and this
On bright buoy, the technology of cloud level observation solves above-mentioned problems.
Present invention laser radar based on the buoy cloud level is observed, and measurement result accurately and reliably, can realize the length away from seashore
Phase, continuous, real-time high accuracy, the high-spatial and temporal resolution cloud level, cloud be thick and the marine environmental monitoring of the conventional maritime meteorology hydrology, for
Marine atmosphere scientific research, weather forecast, ocean shipping, marine military affairs etc. provide data supporting accurately and reliably, fill up marine
For a long time, continuously, in real time, the blank of cloud-cover observation in high precision, to multiple fields such as marine economy, ocean science and marine right-safeguarding
Develop significant.
Accompanying drawing explanation
The principle schematic of Fig. 1 present invention
The agent structure schematic diagram of Fig. 2 present invention
The schematic diagram (ceilometer front view) of Fig. 3 ceilometer cleaning microlens window.
The optical filtering schematic diagram (ceilometer side sectional view) of Fig. 4 ceilometer.
The cloud level rectification building-out schematic diagram of Fig. 5 present invention.
Fig. 6 real-time cloud evolution and primary signal profile figure,
Wherein, ceilometer measurement result figure on (A) buoy, (B) ceilometer measurement result figure on the bank.
On Fig. 7 buoy, ceilometer and ceilometer measurement result on the bank are than mapping, and (a) is that cloud level ratio is surveyed, and (b) is cloud thickness rate
Survey.
Wherein, 1. buoy attitude measurement module, 2. Laser-ceilometer, 3. cloud level correction-compensation module, 4. buoy, 5. sea
Water, 6. anchor system, 7. cloud, 8. communication module, 9. conventional meteorological model observation system;21, rotating shaft, 22, microlens window, 23, photoelectricity
Receptor, 24, motor, 25, rain brush, 26, receive lens, 27, narrow-band interference filter lens.
Detailed description of the invention
Such as Fig. 2-4, a kind of ocean based on buoy long-term on-Line Monitor Device of the cloud level, it is characterised in that include buoy 4, be somebody's turn to do
Being provided with Laser-ceilometer 2 on buoy 4, described Laser-ceilometer 2 is also associated with buoy attitude measurement module 1, cloud level correction
Compensating module 3, communication module 8 and meteorological hydrological observation subsystem 9;
Described buoy 4 is used for installing Laser-ceilometer 2, buoy attitude measurement module 1, meteorological model observation subsystem 9, leading to
News module 8, and provide power supply for each device;The mode that power supply sampling solar panel and accumulator combine;Buoy platform
Use band point mooring mode, there is the ability resisting the rough seas such as marine typhoon;
, owing to waving of buoy 4 is rocked, inevitably there is sunlight straight in the Laser-ceilometer 2 being arranged on buoy 4
Penetrate the situation of ceilometer, in order to solve the sun direct projection infringement to instrument, design the link that suitably filters, when sun direct projection,
Filter a large amount of sunlight;During other situations, reduce optical filter as far as possible and the cloud level is measured the decay of signal;Described Laser-ceilometer 2
Photelectric receiver 23 camera lens before be provided with narrow-band interference light microscopic 27 (abbreviation optical filter), described optical filter uses 905nm half-band width
The spike interference filter of 2nm, is placed between the reception lens 26 of Laser-ceilometer 2 and photelectric receiver 23;
Described Laser-ceilometer 2 is used for the cloud level, the cloud thickness information observing on laser beam propagation path, described Laser-ceilometer 2
Launch laser pulse to overhead, described optical maser wavelength is 905nm and is affected little near infrared band by natural environment light, described
Laser-ceilometer 2 realizes detection analysis air by reception air to the back scattering of laser pulse and becomes at the composition of differing heights
Point, because steam composition is very big, such that it is able to analyze cloud level information to the backward scattered contribution of light.The work of Laser-ceilometer
Process is: instrument launches laser pulse quick, low-energy in air, probe portion receive above from cloud and aerocolloidal after
To scattering laser signal, convert optical signals to the signal of telecommunication by highly sensitive photelectric receiver 23, counted by high rate photon
It is stored in datatron after device collection, and then calculates the information such as the cloud level, cloud thickness.
Described Laser-ceilometer 2 includes hermetic housing, and housing has the upper surface of inclination, and upper surface is provided with two
Microlens window 22;Use hermetically sealed shell with realization marine protection against the tide, mildew-resistant, Defend salt fog and complete certainly in the outer outfit of microlens window 22
Dynamic brush-system, to realize clearing up camera lens according to the setting time;
Described full-automatic brush-system includes electricity brush drive motor 24, and rotating shaft 21 front end of motor 24 is by hinge member even
Connect brush 25, drive brush back and forth to clean on microlens window 22 by motor 24;Described electricity brush drive motor 24 uses 36HSY
Type low-power consumption motor, controls simple, overall dimensions 36 × 36mm, rated power 5W;Described brush 25 uses small-sized many merits
Energy rain brush, can effectively scrape off rain, snow dust, keep ceilometer camera lens clean and tidy;
Described buoy attitude measurement module 1 for measuring the bow of buoy platform to, roll and the attitude parameter of pitching, due to
Ceilometer 2 is fixedly mounted on buoy platform, and this is also the attitude parameter of ceilometer 2, to realize correction and the benefit of cloud level observation
Repay;
Described buoy attitude measurement module 1 is high-precision attitude measuring instrument, uses XW-GI5651 type high-precision attitude to measure
Instrument, use multisensor Data Fusion technology satellite fix is combined with inertia measurement, heading measure precision up to 0.1 °, appearance
State certainty of measurement is up to 0.1 °, and data update rate, up to 100Hz, can realize the quick and precisely measurement of ceilometer attitude;
Described meteorological model observation subsystem 9, for observe buoy lay the wind speed and direction in marine site, the temperature of Layer Near The Sea Surface,
Conventional meteorological model parameter such as humidity, pressure and wave, ocean current etc., provides synthetic marine environment ginseng for marine laser cloud height observation
Examine.The ocean wind speed and direction ambient parameter observed by buoy, it can be determined that go out the direction of motion of cloud, in conjunction with letters such as cloud level cloud thickness
Breath, and then it is how many to calculate cloud amount in sky;Therefore, cloud level data are according to conventional meteorological model observation subsystem 9 observation
Wind speed and direction statistical computation cloud amount information;
Described cloud level correction-compensation module 3, according to the attitude parameter of ceilometer 2, by surveying the calibration of cloud result, data
Quality control and inversion algorithm, it is achieved the correction of cloud level observation and compensation, eliminate the impact that the cloud level is observed by buoy movement platform;
Described communication module 8, for the cloud level, the thick and conventional meteorological model ambient parameter of cloud of observation are encoded, and
It is transferred to data receiver processing center on the bank, for user by certain communication modes.
As it is shown in figure 1, use the method that the said apparatus of the present invention carries out the long-term on-line monitoring of the ocean cloud level, its feature exists
In comprising the following steps:
The first step, initialization Laser-ceilometer 2, arrange detection height, spatial resolution and the data of Laser-ceilometer 2 more
New rate parameter;
Second step, the ceilometer 2 being secured on buoy by buoy attitude measurement module 1 bow to, roll and vertical
The attitude parameter shaken;Meanwhile, the maritime meteorology hydrological observation subsystem 9 passed through, it is thus achieved that include that buoy lays the wind speed and wind in marine site
To, the temperature of Layer Near The Sea Surface, humidity, pressure and wave, ocean current be in interior conventional meteorological model parameter;
3rd step, Laser-ceilometer 2 launch laser pulse quick, low-energy in air, on explorer portion receives
Fang Ziyun and aerocolloidal back scattering laser signal, convert optical signals to telecommunications by highly sensitive photelectric receiver 23
Number, it is stored in microprocessor after high rate photon enumerator collection, and then is calculated the cloud level, cloud thickness information by existing method;
The bow of the Laser-ceilometer that the 4th step, cloud level correction-compensation module 3 obtain according to second step is to, roll and pitching
The cloud amount compensation for information that 3rd step is obtained by attitude parameter, and then obtain the actual cloud level in buoy platform overhead, Yun Houcan
Number;
The above-mentioned cloud level, cloud thickness parameter and conventional maritime meteorology hydrologic parameter are encoded by the 5th step, communication module 8,
And sent to data receiver processing center on the bank by communication antenna, for user.
As it is shown in figure 5, the cloud level in above-mentioned steps three, four is measured as follows with compensation method:
Following cloud level measure equation is utilized directly to measure the cloud level:
In formula, h ' directly measures the cloud level;
PrEcho power on photo-detector;
PtThe laser pulse power that laser instrument is launched;
ArThe effective area of receiving optics;
The transmitance of Kt optical transmitting system;
The transmitance of Kr receiving optics;
The reflection coefficient of ρ cloud body;
Ta 2Round trip atmospheric transmittance;
aTThe angle of divergence loss coefficient of optical transmitting system;
For a Laser-ceilometer, the effective area A of receiving opticsr, launch and the passing through of receiving optics
Rate Kt and Kr, the angle of divergence loss coefficient a of optical transmitting systemTFor given value, the laser pulse power P that laser instrument is launchedtAlso may be used
Determine, use local geographical position and weather condition according to Laser-ceilometer, it may be determined that the reflection coefficient ρ of cloud body and round trip
Atmospheric transmittance Ta 2, and can be modified, therefore, only according to the measured value of meteorological model observation subsystem conventional on buoy
Echo power P on photo-detector to be detectedr, bringing formula into can be in the hope of the ceilometer cloud level measured directly numerical value;
By roll, the pitching attitude parameter of buoy attitude measurement module 1, at three dimensions synthetic laser ceilometer 2 laser
Deviate deviation angle θ of axle vertically upward, then cloud level actual value h=h ' × cos θ when buoy rocks, it is achieved repairing of cloud level observation
Just and compensate;H represents the actual cloud level value after overcompensation.
Principle for cloud thickness compensation for information is similar with cloud level information compensation, is to make use of buoy attitude measurement equally
The deviation angle that module 1 obtains, and it is not difficult to draw how to utilize above-mentioned deviation angle to mend based on existing cloud method for measuring thickness
Repay.
Embodiment
As in figure 2 it is shown, a kind of ocean based on buoy long-term on-Line Monitor Device of the cloud level, install including Laser-ceilometer 2
On buoy on meteorological plat, unobstructed to camera lens, also it is prevented effectively from the wave splashing impact on ceilometer, buoy attitude
On the stainless steel stent that measurement module 1 is installed on buoy on meteorological plat, it is prevented effectively from steel standard type and attitude is sensed
The electromagnetic effect of device, cloud level correction-compensation module 3 is installed in buoy instrument room, and conventional meteorological model observation subsystem 9 is installed
On buoy on meteorological plat, for the observation of conventional marine environment, cloud level observed result is seen together with conventional marine environment
Survey result to be sent to data receiver processing center on the bank, for user by communication module 8.
During sea examination on March 5th, 2016, above formula ceilometer directly measuring cloud level numerical value h ' is 3500 meters, attitude
Measurement module records laser and deviates θ=6.3 °, axle offset angle vertically upward, then cloud level actual value h=3500 × cos6.3 °=
3478 meters.
The present invention and bank base ceilometer real-time cloud evolution and primary signal profile figure as shown in Figure 6, the buoy of the present invention
Upper ceilometer (A) and bank base ceilometer (B) measurement result than mapping as it is shown in fig. 7, dotted line represents ceilometer experiment curv on the bank,
Solid line represents ceilometer experiment curv on buoy, it is seen that the effect of the present invention compared with bank base ceilometer compare, both cloud levels
Fine with cloud thickness measurement result concordance, thus illustrate the design based on buoy of the present invention apply in ocean be effectively, can
Lean on.
Claims (7)
1. ocean based on the buoy long-term on-Line Monitor Device of the cloud level, it is characterised in that include buoy (4), this buoy (4)
On Laser-ceilometer (2) is installed, described Laser-ceilometer (2) is also associated with buoy attitude measurement module (1), cloud level correction
Compensating module (3), communication module (8) and meteorological hydrological observation subsystem (9);
Described buoy (4) is used for installing Laser-ceilometer (2), buoy attitude measurement module (1), meteorological model observation subsystem
(9), communication module (8), and for each device provide power supply;
Being provided with optical filter before the camera lens of described Laser-ceilometer (2), described optical filter uses the arrowband of 905nm half-band width 2nm to do
Relate to optical filter, be placed between reception lens and the photodetector of Laser-ceilometer (2);Laser-ceilometer (2) is launched to overhead
Wavelength is the near infrared band laser pulse of 905nm;
(2 include hermetic housing to described Laser-ceilometer, and housing has the upper surface of inclination, and upper surface is provided with two thoroughly
Mirror window (22);And it is externally provided with full-automatic brush at microlens window (22), to realize according to the setting time, camera lens being cleared up;
Described buoy attitude measurement module (1) is high-precision attitude measuring instrument, for measuring the bow of buoy platform to, roll and vertical
The attitude parameter shaken,
Described meteorological model observation subsystem (9), lays the temperature including wind speed and direction, Layer Near The Sea Surface in marine site for observing buoy
Degree, humidity, pressure and wave, ocean current, in interior conventional meteorological model parameter, provide synthetic marine for marine laser cloud height observation
Atmospheric reference;
Described cloud level correction-compensation module (3), according to the attitude parameter of ceilometer (2), it is achieved the correction of cloud level observation and compensation,
Described communication module (8), for encoding the cloud level, the thick and conventional meteorological model ambient parameter of cloud of observation, and lead to
Cross conventional communications mode and be transferred to data receiver processing center on the bank, for user.
2. ocean based on the buoy as claimed in claim 1 long-term on-Line Monitor Device of the cloud level, it is characterised in that described power supply
The mode that sampling solar panel and accumulator combine.
3. ocean based on the buoy as claimed in claim 1 long-term on-Line Monitor Device of the cloud level, it is characterised in that described complete from
Dynamic brush-system includes electricity brush drive motor (24), and rotating shaft (21) front end of motor (24) connects brush by hinge member
(25), drive brush in the upper reciprocal cleaning of microlens window (22) by motor (24).
4. ocean based on the buoy as claimed in claim 1 long-term on-Line Monitor Device of the cloud level, it is characterised in that described brush
Motor (24) is driven to use 36HSY type low-power consumption motor;Described brush (25) uses small-size multifunction rain brush.
5. ocean based on the buoy as claimed in claim 1 long-term on-Line Monitor Device of the cloud level, it is characterised in that described buoy
Attitude measurement module (1) uses XW-GI5651 type high-precision attitude measuring instrument.
6. utilize the method that device described in claim 1 carries out the long-term on-line monitoring of the ocean cloud level, it is characterised in that include following
Step:
The first step, initialization Laser-ceilometer (2), arrange detection height, spatial resolution and the data of Laser-ceilometer (2) more
New rate parameter;
Second step, the ceilometer (2) being secured on buoy by buoy attitude measurement module (1) bow to, roll and vertical
The attitude parameter shaken;Meanwhile, maritime meteorology hydrological observation subsystem (9) passed through, it is thus achieved that include that buoy lays the wind speed in marine site
Wind direction, the temperature of Layer Near The Sea Surface, humidity, pressure and wave, ocean current are in interior conventional meteorological model parameter;
3rd step, Laser-ceilometer (2) launch laser pulse quick, low-energy in air, above explorer portion receives
From cloud and aerocolloidal back scattering laser signal, convert optical signals to telecommunications by highly sensitive photelectric receiver (23)
Number, it is stored in microprocessor after high rate photon enumerator collection, and then is calculated the cloud level, cloud thickness information;
The bow of the Laser-ceilometer that the 4th step, cloud level correction-compensation module (3) obtain according to second step is to, roll and the appearance of pitching
The cloud amount compensation for information that 3rd step is obtained by state parameter, and then obtain the actual cloud level in buoy platform overhead, cloud thickness parameter;
The above-mentioned cloud level, cloud thickness parameter and conventional maritime meteorology hydrologic parameter are encoded by the 5th step, communication module (8), and
Sent to data receiver processing center on the bank by communication antenna, for user.
7. the method for the ocean as claimed in claim 6 long-term on-line monitoring of the cloud level, it is characterised in that in above-mentioned steps three, four
The cloud level is measured as follows with compensation method:
Following cloud level measure equation is utilized directly to measure the cloud level:
In formula, h ' directly measures the cloud level;
PrEcho power on photo-detector;
PtThe laser pulse power that laser instrument is launched;
ArThe effective area of receiving optics;
The transmitance of Kt optical transmitting system;
The transmitance of Kr receiving optics;
The reflection coefficient of ρ cloud body;
Ta 2Round trip atmospheric transmittance;
aTThe angle of divergence loss coefficient of optical transmitting system;
For a Laser-ceilometer, the effective area A of receiving opticsr, launch and transmitance Kt of receiving optics and
Kr, the angle of divergence loss coefficient a of optical transmitting systemTFor given value, the laser pulse power P that laser instrument is launchedtAlso can determine that,
Local geographical position and weather condition is used, it may be determined that the reflection coefficient ρ of cloud body and round trip air according to Laser-ceilometer
Transmitance Ta 2, and can be modified according to the measured value of meteorological model observation subsystem conventional on buoy, therefore, if inspection
Measure the echo power P on photo-detectorr, bringing formula into can be in the hope of the ceilometer cloud level measured directly numerical value;
By roll, the pitching attitude parameter of buoy attitude measurement module (1), at three dimensions synthetic laser ceilometer (2) laser
Deviate deviation angle θ of axle vertically upward, then cloud level actual value h=h ' × cos θ when buoy rocks, it is achieved repairing of cloud level observation
Just and compensate;H represents the actual cloud level value after overcompensation.
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CN201610645208.8A CN106125084A (en) | 2016-08-08 | 2016-08-08 | Ocean based on the buoy long-term on-Line Monitor Device of the cloud level and method |
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CN201610645208.8A CN106125084A (en) | 2016-08-08 | 2016-08-08 | Ocean based on the buoy long-term on-Line Monitor Device of the cloud level and method |
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