CN103605136B - Ocean buoy platform laser radar three-dimensional wind field cross section detection system and detection method - Google Patents
Ocean buoy platform laser radar three-dimensional wind field cross section detection system and detection method Download PDFInfo
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- CN103605136B CN103605136B CN201310657692.2A CN201310657692A CN103605136B CN 103605136 B CN103605136 B CN 103605136B CN 201310657692 A CN201310657692 A CN 201310657692A CN 103605136 B CN103605136 B CN 103605136B
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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
- G01S17/88—Lidar systems specially adapted for specific applications
- G01S17/95—Lidar systems specially adapted for specific applications for meteorological use
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- G—PHYSICS
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- G01W—METEOROLOGY
- G01W1/00—Meteorology
- G01W1/10—Devices for predicting weather conditions
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- 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
nullOne can carry out off-lying sea automatic observation、Low cost、Certainty of measurement is high、Spatial and temporal resolution is high、Real-time continuous、Ocean buoy platform laser radar three-dimensional wind field cross section detection system reliably and with long-term，Technical scheme is: it is characterized in that by anemometry laser radar (1)、Buoy platform (2)、Meteorological data observation module (3)、Sea Level Data observation module (4)，Buoy platform attitude measurement module (5)、Laser radar wind field compensating module (6) and output unit (7) composition，Wherein，Described meteorological data observation module (3)、Sea Level Data observation module (4)、Buoy platform attitude measurement module (5)、Laser radar wind field compensating module (6) is connected with output unit (7) respectively，And sent to given client end by communication antenna，Described buoy platform attitude measurement module (5) sea is connected with laser radar wind field compensating module (6).The invention also discloses its detection method.
Description
Technical field
The invention belongs to Yu Haiyang dimensional wind detection system field, a kind of can carry out off-lying sea automatic observation, low cost, certainty of measurement height, spatial and temporal resolution height, real-time continuous, ocean buoy platform laser radar three-dimensional wind field cross section detection system and detection method reliably and with long-term.
Background technology
21 century is the century of ocean, the development in the field such as marine economy and ocean science has been promoted to the height of national strategy by each coastal state, more and more higher to the demand of marine environment detection, need badly more accurately, the section marine environment of real-time continuous finer, on-the-spot becomes more meticulous and is observed the development of marine economy and escorts, development for ocean science and utilization of new energy resources provides reliable technological means, provides valuable data support for policymaker.The dimensional wind profile information of marine atmosphere is one of important content of marine environment detection.
Currently, according to the difference of work platforms, the detection means of marine atmosphere dimensional wind section mainly has three kinds of modes: satellite remote sensing, aerial remote sensing and forecast based on model.Although these three mode can provide marine atmosphere dimensional wind sectional parameter, but there is various limitation: the cost of satellite and aerial remote sensing is the highest, and spatial resolution is relatively low, and the time fine degree of aerial remote sensing is poor；Then there is the problem that error is bigger in forecasting procedure based on model.
Summary of the invention
It is an object of the invention to provide and a kind of can carry out off-lying sea automatic observation, low cost, certainty of measurement height, spatial and temporal resolution height, real-time continuous, ocean buoy platform laser radar three-dimensional wind field cross section detection system and detection method reliably and with long-term.
The technical scheme is that ocean buoy platform laser radar three-dimensional wind field cross section detection system, it is characterized in that by anemometry laser radar (1), buoy platform (2), meteorological data observation module (3), Sea Level Data observation module (4); buoy platform attitude measurement module (5), laser radar wind field compensating module (6) and output unit (7) composition
Wherein, anemometry laser radar (1) and meteorological data observation module (3) are installed on buoy platform (2) deck, Sea Level Data observation module (4), buoy platform attitude measurement module (5), it is internal that laser radar wind field compensating module (6) and output unit (7) are separately mounted to buoy platform (2), described meteorological data observation module (3), Sea Level Data observation module (4), buoy platform attitude measurement module (5), laser radar wind field compensating module (6) is connected with output unit (7) respectively, and sent to given client end by communication antenna, described buoy platform attitude measurement module (5) sea is connected with laser radar wind field compensating module (6).
Described anemometry laser radar (1) is for observing the Doppler frequency shift on laser beam propagation path, and and then obtains radially wind speed, employing conical scanning, the radial direction wind speed in multiple orientation, different distance in the range of obtaining local atmosphere.Hermetically sealed shell is damp proof with protection against the tide, is equipped with full-automatic long-life private wiper, clears up camera lens by the setting time outside camera lens.
Described buoy platform (2) is used for installing anemometry laser radar system and routine is meteorological and drive marine observation module, and provides power supply for each observing unit, and power supply uses the mode that solar panel and accumulator combine.
Described meteorological data observation module (3), for observing the conventional meteorology parameters such as the temperature of Layer Near The Sea Surface, humidity, pressure and wind speed and direction, is surveyed wind for laser radar and is provided reference and constraints.
Described Sea Level Data observation module (4) is used for observing the conventional oceanographic observation parameter such as wave, ocean temperature, ocean current, salinity.
Described buoy platform attitude measurement module (5) is for measuring the bow of buoy platform to attitude parameters such as, roll and pitchings, to compensate the buoy platform motion impact on lidar measurement dimensional wind section.
The radial velocity field measured is compensated to attitude parameters such as, roll and pitchings by described laser radar wind field compensating module (6) according to the bow of buoy platform, improves certainty of measurement.
Described output unit (7) carries out Unified coding for conventional meteorological and ocean environment parameter dimensional wind cross-sectional data and buoy observed, and is transferred to designated terminal by the way of certain.
The detection method of ocean buoy platform laser radar three-dimensional wind field cross section detection system, is characterized in that comprising the following steps.
The first step, initialization laser radar, arrange detection height, spatial resolution and the data updating rate parameter of laser radar.
Second step, buoy platform obtain ocean environment parameter, Layer Near The Sea Surface meteorologic parameter and the buoy platform bow of routine to, roll and the attitude parameter of pitching by meteorological data observation module, Sea Level Data observation module and buoy platform attitude measurement module.
Laser beam launched by 3rd step, laser radar, and do conical scanning in little scope, Coherent processing is done with local laser according to the backscattering echo of particulate in air, obtain the Doppler frequency shift of echo, and then obtaining radially wind speed and distance, the buoy platform attitude parameter that comprehensive second step obtains obtains the orientation of radially wind speed.
The radial direction wind speed that 3rd step is obtained by the buoy platform bow that the 4th step, laser radar wind field compensating module obtain according to second step to the attitude parameter of, roll and pitching compensates, and then obtains the dimensional wind sectional parameter of buoy platform overhead local atmosphere.
The dimensional wind sectional parameter that ocean environment parameter that second step is obtained by the 5th step, output unit, Layer Near The Sea Surface meteorologic parameter, buoy platform bow obtain to, roll and the attitude parameter of pitching and the 4th step encodes, and is sent to given client end by communication antenna.
The invention has the beneficial effects as follows: buoy platform and laser radar are combined, it is not only capable of carrying out the defect of Single Point Surveying only against tradition buoy, and laser radar profiling observation advantage is expanded in the ocean that meteorological observation field is needed badly, effectively obtain on-the-spot in ocean, real-time, continuous print three-dimensional wind profile.
The present invention has low cost, the reliable feature of measurement result, high accuracy, the troposphere air dimensional wind section away from seashore of high-spatial and temporal resolution can be provided, constraints is provided for weather forecast, improve accuracy of weather forecast, research for meteorological changes such as marine atmosphere circulation provides effective means, filling up the blank of marine atmosphere wind profile detection, the development to multiple fields such as marine economy, ocean science and utilization of new energy resources is significant.
Below in conjunction with the accompanying drawings the detailed description of the invention of the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 is present system structure chart.
Fig. 2 is flow chart of steps of the present invention.
Wherein, 1 is anemometry laser radar, and 2 is buoy platform, 3 be meteorological data observation module, 4 for Sea Level Data observe module, 5 is buoy platform attitude measurement module, 6 be laser radar wind field compensating module, 7 be output unit, 8 is communication antenna, and 9 is anchor system.
Detailed description of the invention
As shown in Figure 1, ocean buoy platform laser radar three-dimensional wind field cross section detection system, is made up of anemometry laser radar 1, buoy platform 2, meteorological data observation module 3, Sea Level Data observation module 4, buoy platform attitude measurement module 5, laser radar wind field compensating module 6 and output unit 7.Wherein, anemometry laser radar 1 is installed on buoy platform 2 upper deck middle position, meteorological data observation module 3 is arranged on laser radar 1 side, unobstructed to laser radar camera lens, Sea Level Data observation module 4, buoy platform attitude measurement module 5, laser radar wind field compensating module 6 and output unit 7 are positioned at inside buoy platform, meteorological data observation module 3, Sea Level Data observation module 4, buoy platform attitude measurement module 5, laser radar wind field compensating module 6 is connected with output unit 7, and sent to given client end by communication antenna 8, wherein buoy platform attitude measurement module 5 is also connected with laser radar wind field compensating module 6.
As in figure 2 it is shown, the detection method of ocean buoy platform laser radar three-dimensional wind field cross section detection system, specifically include the following step.
The first step, initialization laser radar.Detection height, spatial resolution and the data updating rate parameter of laser radar are set.
Second step, buoy platform 2 obtain ocean environment parameter, Layer Near The Sea Surface meteorologic parameter and the buoy platform bow of routine to, roll and the attitude parameter of pitching by meteorological data observation module 3, Sea Level Data observation module 4 and buoy platform attitude measurement module 5.
Laser beam launched by 3rd step, laser radar 1, and do conical scanning in little scope, Coherent processing is done with local laser according to the backscattering echo of particulate in air, obtain the Doppler frequency shift of echo, and then obtaining radially wind speed and distance, the buoy platform attitude parameter that comprehensive second step obtains obtains the orientation of radially wind speed.
The radial direction wind speed that 3rd step is obtained by the buoy platform bow that the 4th step, laser radar wind field compensating module 6 obtain according to second step to the attitude parameter of, roll and pitching compensates, and then obtains the dimensional wind sectional parameter of buoy platform overhead local atmosphere.
The dimensional wind sectional parameter that ocean environment parameter that second step is obtained by the 5th step, output unit 7, Layer Near The Sea Surface meteorologic parameter, buoy platform bow obtain to, roll and the attitude parameter of pitching and the 4th step encodes, and is sent to given client end by communication antenna.
The present invention, in actual mechanical process, can change LASER Light Source and realize the detection to other parameter profile of air, such as temperature profile and humidity section etc.；Laser radar can also be replaced by the parameters such as the microwave radiometer of active microwave radar or passive type, the temperature and humidity section of atmospheric sounding, cloud layer characteristic.This atmospheric profile detection method utilizing buoy platform, can be significantly greatly increased away from the detection data in coastal region, extend investigative range and spatial and temporal resolution, can effectively serve in multiple field.Owing to current China does not occur about utilizing buoy platform and the report of laser radar detection three-dimensional wind profile, the technical scheme is that the follow-up research work in this area provides new enlightenment.
The foregoing is only presently preferred embodiments of the present invention; not in order to limit the present invention; all within the spirit and principles in the present invention; the any modification, equivalent substitution and improvement etc. made; as revised with the atmospheric profile detecting devices such as microwave radar or microwave radiometer and method, replacing, improvement etc., should be included within the scope of the present invention.
Claims (9)
1. ocean buoy platform laser radar three-dimensional wind field cross section detection system, it is characterized in that by
Anemometry laser radar (1), buoy platform (2), meteorological data observation module (3), sea money
Material observation module (4), buoy platform attitude measurement module (5), laser radar wind field compensate mould
Block (6) and output unit (7) composition,
Wherein, anemometry laser radar (1) and meteorological data observation module (3) are installed on buoy
On platform (2) deck, Sea Level Data observation module (4), buoy platform attitude measurement module
(5), laser radar wind field compensating module (6) and output unit (7) are separately mounted to buoy
Platform (2) is internal, described meteorological data observation module (3), Sea Level Data observation module (4),
Buoy platform attitude measurement module (5), laser radar wind field compensating module (6) are respectively with defeated
Going out unit (7) to be connected, and sent to given client end by communication antenna, described buoy is put down
Platform attitude measurement module (5) sea is connected with laser radar wind field compensating module (6).
Oceanographic buoy platform laser radar dimensional wind section the most according to claim 1
Detection system, is characterized in that described anemometry laser radar (1) is used for observing laser beam propagation path
On Doppler frequency shift, and and then obtain radially wind speed, use conical scanning, obtain local big
Radial direction wind speed in multiple orientation, different distance in the range of gas, described anemometry laser radar (1)
Use hermetically sealed shell, outside camera lens, be equipped with full-automatic long-life private wiper.
Oceanographic buoy platform laser radar dimensional wind section the most according to claim 1
Detection system, is characterized in that described buoy platform (2) provides power supply for each observing unit.
Oceanographic buoy platform laser radar dimensional wind section the most according to claim 1
Detection system, is characterized in that described meteorological data observation module (3) is for observing Layer Near The Sea Surface
Temperature, humidity, pressure and wind speed and direction routine meteorology and ocean environment parameter, for laser radar
Survey wind and reference and constraints are provided.
Oceanographic buoy platform laser radar dimensional wind section the most according to claim 1
Detection system, is characterized in that described Sea Level Data observation module (4) is used for observing wave, sea
Coolant-temperature gage, ocean current, salinity routine meteorology and ocean environment parameter.
Oceanographic buoy platform laser radar dimensional wind section the most according to claim 1
Detection system, is characterized in that described buoy platform attitude measurement module (5) is used for measuring buoy
The bow of platform to, roll and pitching attitude parameter, moves to laser radar compensating buoy platform
Measure the impact of dimensional wind section.
Oceanographic buoy platform laser radar dimensional wind section the most according to claim 1
Detection system, is characterized in that described laser radar wind field compensating module (6) is according to buoy platform
Bow to, roll and pitching attitude parameter, the radial velocity field measured is compensated, improve and measure
Precision.
Oceanographic buoy platform laser radar dimensional wind section the most according to claim 1
Detection system, it is characterized in that described output unit (7) for by dimensional wind cross-sectional data and
The conventional meteorological and ocean environment parameter that buoy observes carries out Unified coding, and is transferred to specify
Terminal.
9. the detection method of ocean buoy platform laser radar three-dimensional wind field cross section detection system,
It is characterized in that comprising the following steps:
The first step, initialization laser radar, arrange the detection height of laser radar, spatial discrimination
Rate and data updating rate parameter；
Second step, buoy platform by meteorological data observation module, Sea Level Data observation module and
Buoy platform attitude measurement module obtains conventional meteorological and ocean environment parameter and buoy platform bow
To, roll and the attitude parameter of pitching；
Laser beam launched by 3rd step, laser radar, and does conical scanning in little scope, according to
In air, the backscattering echo of particulate does Coherent processing with local laser, obtains echo
Doppler frequency shift, and then obtain radially wind speed and distance, the buoy that comprehensive second step obtains is put down
Platform attitude parameter obtains the orientation of radially wind speed；
The buoy platform bow that 4th step, laser radar wind field compensating module obtain according to second step
The radial direction wind speed obtained the 3rd step to the attitude parameter of, roll and pitching compensates, and then
Obtain the dimensional wind sectional parameter of buoy platform overhead local atmosphere；
Ocean environment parameter, Layer Near The Sea Surface meteorology that second step is obtained by the 5th step, output unit are joined
The dimensional wind that number, buoy platform bow obtain to, roll and the attitude parameter of pitching and the 4th step
Sectional parameter encodes, and is sent to given client end by communication antenna.
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| CN105857527B (en) * | 2016-04-29 | 2018-08-31 | 江苏科技大学 | Laser radar surveys wind buoyage on three body combined type seas |
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| CN111965667B (en) * | 2020-10-14 | 2020-12-29 | 南京牧镭激光科技有限公司 | Dynamic compensation wind measurement laser radar system and wind measurement method thereof |
| CN114817837B (en) * | 2022-06-30 | 2022-09-06 | 山东省科学院海洋仪器仪表研究所 | Troposphere parameter profile inversion method based on buoy platform microwave radiometer |
| CN115469313B (en) * | 2022-11-15 | 2023-03-24 | 成都远望探测技术有限公司 | Wave beam control method for marine shipborne meteorological radar |
| CN116068560A (en) * | 2023-03-06 | 2023-05-05 | 山东省科学院海洋仪器仪表研究所 | Marine evaporation waveguide floating type detection system and method based on radar sea clutter |
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