KR20200018127A - Horizontal wind field calculation method for three-dimensional space in and around tropical cyclone using geostationary and polar-orbit satellites - Google Patents

Abstract

The present invention relates to a horizontal wind field calculation method. The horizontal wind field calculation method extracts an infrared horizontal wind field, a microwave horizontal wind field, and sea wind and atmospheric motion vectors from atmospheric data collected through a stationary satellite and a polar satellite. In addition, the horizontal wind field calculation method calculates multiple horizontal wind fields in a three-dimensional space where typhoons have occurred from the infrared horizontal wind field, a microwave horizontal wind field, and sea wind and atmospheric motion vectors.

Description

HORIZONTAL WIND FIELD CALCULATION METHOD FOR THREE-DIMENSIONAL SPACE IN AND AROUND TROPICAL CYCLONE USING GEOSTATIONARY AND POLAR-ORBIT SATELLITES}

The following description relates to a horizontal wind field calculation method for a three-dimensional space around a typhoon using a geostationary or polar orbit satellite. Specifically, a typhoon is generated based on the atmospheric data collected from the geostationary or polar orbit satellite. The present invention relates to a horizontal wind field calculation method for calculating a horizontal wind field in a three-dimensional space above sea level of a region.

The conventional method of calculating the sea breeze is based on the brightness temperature and the radiative transfer model observed in the vertical polarization observation channel when microwave image data is collected in the area around the eye of a typhoon using passive microwave data mounted on a polar orbit satellite. The vertical polarization reflectivity was calculated, the calculated roughness of the sea level was calculated, and the sea wind wind speed was calculated therefrom.

However, information currently available from microwave image data is limited to sea wind speeds, and no method has been devised to obtain information on sea wind direction and various altitude atmospheric motion vectors. In addition, microwave image data of polar orbit satellites are rarely obtained around the eye of a typhoon, so there are various constraints for use in the field.

As a result, there is a need for a method for calculating horizontal atmospheric motion vectors of altitudes around typhoons based on multiple satellites by utilizing data from a geostationary satellite sensor that can continuously collect data around the eye of a typhoon. To date, no such algorithm has been devised.

The present invention may provide a horizontal wind field calculation method for calculating an altitude horizontal wind field for a three-dimensional region around a typhoon from atmospheric data collected from geostationary and polar orbit satellites.

In one embodiment, a horizontal wind field calculation method includes an IR wind and an atmospheric motion vector (AMV) in an area where a typhoon is generated from an infrared image observed by an infrared imager of a geostationary satellite. Obtaining; Obtaining a microwave horizontal wind field (MW wind) based on earth radiant energy measured by a microwave probe of a polar orbit satellite; Obtaining a sea breeze relating to the movement of the atmosphere above sea level from satellite scatterometer data of a polar orbit satellite; And synthesizing the infrared horizontal wind field, the atmospheric motion vector, the microwave horizontal wind field, and the sea breeze from the center of the typhoon to calculate a multi wind for the three-dimensional space of the region where the typhoon occurred. can do.

The acquiring of the infrared horizontal wind field and the atmospheric motion vector according to an embodiment may include calculating a maximum wind speed, a radius of the maximum wind speed, and a relaxation coefficient of the typhoon in the region where the typhoon is generated from the infrared image; Generating a one-dimensional wind field by applying the calculated maximum wind speed, maximum wind speed radius and typhoon relaxation coefficient to a modified combine Rankine vortex model; Generating a two-dimensional symmetric wind field by applying an azimuth angle to the one-dimensional wind field; Generating a two-dimensional asymmetric wind field by applying a moving speed of a typhoon to a two-dimensional symmetric wind field; And applying the radial vertical rate of change of the maximum wind velocity and the rate of change of the maximum wind velocity to a two-dimensional asymmetric wind field to obtain an infrared horizontal wind field for a three-dimensional space.

In the obtaining of the infrared horizontal wind field and the atmospheric motion vector, the target motion algorithm may be obtained by applying a target extraction algorithm to the region where the typhoon has occurred.

Acquiring a microwave horizontal wind field according to an embodiment of the present invention comprises the steps of identifying the center of the typhoon through the brightness temperature of each channel of the microwave probe; Determining two radii at which a difference between a temperature at a center position of the typhoon and a predetermined temperature occurs; Calculating a vertical slope of the maximum wind speed radius of the typhoon and a vertical slope of the maximum wind speed of the typhoon from a difference between two radial distances; And applying a vertical slope of the maximum wind speed radius of the typhoon and a vertical slope of the maximum wind speed of the typhoon to the upper altitude of the infrared horizontal wind field to obtain a microwave horizontal wind field of the three-dimensional space.

Computing the multi-horizontal wind field according to an embodiment of the present invention is based on an infrared horizontal wind field, an atmospheric motion vector, a microwave horizontal wind field, and an offshore wind. Multiple horizontal wind fields for the three-dimensional space of the generated area can be calculated.

Horizontal wind field calculation method according to an embodiment of the present invention can calculate the horizontal wind field for each altitude of the three-dimensional region around the eye of the typhoon from the atmospheric data collected from the geostationary orbiting satellite and the polar orbiting satellite.

Horizontal wind field calculation method according to an embodiment of the present invention is the eye of the typhoon using the atmospheric motion vector based on infrared image, microwave probe, satellite scattering system information and target extraction in the geostationary satellite and polar orbit artificial By calculating the horizontal atmospheric motion vector of the three-dimensional area around in real time, it can be used in various ways such as typhoon monitoring, analysis, forecast.

1 is a view for explaining the overall configuration for calculating the horizontal wind field for each altitude of the three-dimensional area around the eye of a typhoon according to an embodiment.
2 is a flowchart of acquiring an infrared horizontal wind field in a region in which a typhoon is generated from an infrared image of a geostationary satellite according to an embodiment.
3 is an image illustrating whether or not a typhoon eye is displayed in an infrared image, according to an exemplary embodiment.
4 is a graph illustrating a process for calculating an infrared parallel wind field in consideration of a change in a typhoon maximum wind speed radius according to an altitude according to an embodiment.
5 is a graph illustrating a process for calculating an infrared parallel wind field in consideration of the change in the maximum wind speed according to the altitude according to an embodiment.
6 is a flowchart of obtaining a microwave horizontal wind field based on the earth radiant energy measured by a microwave probe of a polar orbit satellite according to an embodiment.
FIG. 7 is a graph showing a nucleus radius of a channel of AMSU-A according to one embodiment. FIG.
8 is a graph illustrating a vertical slope of a typhoon maximum wind speed radius R _max and a vertical slope of a typhoon maximum wind speed V _max , according to an exemplary embodiment.
9 is a flowchart illustrating a horizontal wind field calculation method according to an embodiment.
FIG. 10 is a weighted graph for calculating a horizontal synthesized wind field for a three-dimensional space around an eye of a typhoon.

Hereinafter, exemplary embodiments will be described in detail with reference to the accompanying drawings. However, various changes may be made to the embodiments so that the scope of the patent application is not limited or limited by these embodiments. It is to be understood that all changes, equivalents, and substitutes for the embodiments are included in the scope of rights.

The terminology used herein is for the purpose of description and should not be construed as limiting. Singular expressions include plural expressions unless the context clearly indicates otherwise. In this specification, terms such as "comprise" or "have" are intended to indicate that there is a feature, number, step, action, component, part, or combination thereof described on the specification, one or more other features. It is to be understood that the present invention does not exclude the possibility of the presence or the addition of numbers, steps, operations, components, components, or a combination thereof.

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art. Terms such as those defined in the commonly used dictionaries should be construed as having meanings consistent with the meanings in the context of the related art, and shall not be construed in ideal or excessively formal meanings unless expressly defined in this application. Do not.

In addition, in the description with reference to the accompanying drawings, the same components will be given the same reference numerals regardless of the reference numerals and duplicate description thereof will be omitted. In the following description of the embodiment, if it is determined that the detailed description of the related known technology may unnecessarily obscure the gist of the embodiment, the detailed description thereof will be omitted.

1 is a view for explaining the overall configuration for calculating the horizontal wind field for each altitude of the three-dimensional area around the eye of a typhoon according to an embodiment.

Referring to FIG. 1, the image processing apparatus 101 may include an infrared horizontal wind (IR wind) and a microwave horizontal beam from atmospheric data collected through a geostationary orbit satellite (GEO) and a polar orbit satellite (103). Extract wind power (MW wind), Special Sensor Microwave Imager (SSMI), offshore wind and Atmospheric Motion Vector (AMV), and multi-level wind from the 3D space in the region where the typhoon occurred. Chapter 104 can be calculated. The multiple horizontal wind fields 104 are a distribution of winds expressed as horizontal atmospheric motion vectors for three-dimensional spaces from sea surface winds to upper altitudes as a function of space in space over certain spatial domains. Can be.

In detail, the image processing apparatus 101 may collect atmospheric data from the geostationary orbit satellite 102. Here, the geostationary orbit satellite 102 is a circular orbit above the equator, where the latitude is 0 degrees, and may collect atmospheric data for marine and meteorological observations. The geostationary satellite 102 may acquire the infrared image observed by the infrared imager of the geostationary satellite 102.

The image processing apparatus 101 may generate an infrared horizontal wind field in a region where a typhoon occurs from an infrared image obtained from the geostationary satellite 102. The image processing apparatus 101 may generate an atmospheric motion vector from the infrared image. Here, the atmospheric motion vector may be wind data for calculating a cloud's motion vector using the cloud and water vapor movement patterns of the continuous image according to the infrared image.

The image processing apparatus 101 may generate a microwave horizontal wind field based on the earth radiant energy measured by the microwave probe of the polar orbit satellite. In addition, the image processing apparatus 101 may generate sea winds related to the movement of the atmosphere on the free surface or the sea surface from the satellite scattering data (ASCAT) of the polar orbit satellite.

The sea breeze is a motion of the atmosphere related to the sea level, and the image processing apparatus 101 of the present invention is expressed as a function of the wind speed and the wind direction. By applying, it is possible to generate marine wind based on satellite scattering data.

The image processing apparatus 101 may analyze the infrared horizontal wind field, the microwave horizontal wind field, the atmospheric motion vector, and the sea wind from the center of the typhoon to generate multiple horizontal wind fields for the three-dimensional space of the region in which the typhoon occurs. In this case, the infrared horizontal wind field, the microwave horizontal wind field, the sea wind, and the atmospheric motion vector are data expressed as a vector of a motion of the atmosphere on the sea surface or a motion vector of clouds, and may appear as individual wind fields. The image processing apparatus 101 applies the respective weighting functions ([Equation 7] and [Equation 8]) according to the distance and the altitude of the individual wind field centering on the eye of the typhoon to the individual wind field. By weighted average, by combining the infrared horizontal wind field, microwave horizontal wind field, sea wind and atmospheric motion vector, it is possible to finally calculate the horizontal synthesized wind field for the three-dimensional space around the eye of the typhoon.

That is, the image processing apparatus 101 calculates a horizontal synthetic wind field in a three-dimensional space around the typhoon around the eye of the typhoon based on individual wind fields according to the atmospheric data collected from the geostationary and polar orbit satellites. It can be used for various purposes such as typhoon monitoring, analysis and forecasting.

2 is a flowchart of acquiring an infrared horizontal wind field in a region in which a typhoon is generated from an infrared image of a geostationary satellite according to an embodiment.

Referring to FIG. 2, the image processing apparatus may generate an infrared horizontal wind field by the methods of [Equations 1] to [Equation 6] in a region where a typhoon is generated from an infrared image observed by an infrared imager of a geostationary satellite. have. In this case, the image processing apparatus may be performed through the following steps in order to determine a more accurate value for the region where the typhoon occurred.

In operation 201, the image processing apparatus inputs an infrared image cloud top temperature (CTT), a location of typhoon TC pos, and an intensity of typhoon V _max to generate an infrared horizontal wind field. You can use variables for.

In operation 202, the image processing apparatus may distinguish between when the eye of the typhoon in the infrared image is clear or not when the infrared horizontal wind field in the region where the typhoon is generated is obtained from the infrared image of the geostationary orbit satellite. . 3A may be an infrared image when the eye of the typhoon is clear, and FIG. 3B may be an infrared image when the eye of the typhoon is not clear.

If the eye of the typhoon is clear (Yes), the image processing apparatus may obtain the maximum wind speed radius (Rmax) of the typhoon in step 203. Here, the image processing apparatus may obtain the maximum wind speed radius Rmax of the typhoon in the infrared image by using Equation 1 below.

은 태풍의 눈 즉, 중심에서 구름 최저 온도까지의 거리를 의미하며,

는 태풍 눈의 크기, h는 0.6으로

과

의 거리 비율을 의미할 수 있다.here,

Is the eye of the typhoon, that is, the distance from the center to the lowest temperature of the cloud,

Is the size of the typhoon eye, h is 0.6

and

It can mean the distance ratio of.

If the eye of the typhoon is not clear (No), the image processing apparatus may acquire the maximum wind speed radius Rmax of the typhoon in step 204. Here, the image processing apparatus may acquire the maximum wind speed radius Rmax of the typhoon in the infrared image by using Equation 2 below.

는 태풍 최대풍속(m/s)을 의미하며, φ는 위도를 의미할 수 있다.here,

Is the typhoon maximum wind speed (m / s), φ may mean the latitude.

In operation 205, the image processing apparatus may calculate a relaxation factor (x) for the typhoon in the region where the eye of the typhoon is clear or in the region where the eye of the typhoon is not clear. The image processing apparatus may calculate a relaxation factor for a typhoon using Equation 3 below.

는 태풍 최대풍속(m/s)을 의미하며, α, β는 회귀 계수이고, 회귀 계수는 각각 0.1300, 0.0108일 수 있다. 이는 도 4의 (a)와 같이 나타날 수 있다.here,

Is the typhoon maximum wind speed (m / s), α, β is a regression coefficient, the regression coefficient may be 0.1300, 0.0108, respectively. This may appear as shown in FIG.

In operation 206, the image processing apparatus may calculate a vertical slope S of the maximum wind speed radius with respect to the typhoon in the area where the eye of the typhoon is clear or in the area where the eye of the typhoon is not clear. The image processing apparatus may calculate the vertical slope S of the maximum wind speed radius with respect to the typhoon using Equation 4 below. Then, the maximum wind speed linear regression can be extracted. That is, the image processing apparatus may extract the vertical slope S of the maximum wind speed radius and the maximum wind speed linear regression according to the calculation for estimating the maximum wind speed radius of the typhoon by altitude.

는 태풍 최대풍속을 의미하며, c, d는 회귀 계수이고, 회귀 계수는 각각 -0.0108(km/hPa), -0.0009(km/hPa/(m/s)) 일 수 있다. 이는 도 4의 (b) 및 (c)와 같이 나타날 수 있으며, 도 4의 (b)는 최대 풍속 반경의 연직 기울기(S)를 나타낸 그래프이고, 도 4의 (c)는 최대 풍속 선형 회귀를 나타낸 그래프이다.here,

Denotes a typhoon maximum wind speed, c and d are regression coefficients, and the regression coefficients may be -0.0108 (km / hPa) and -0.0009 (km / hPa / (m / s)), respectively. This may be shown as (b) and (c) of Figure 4, Figure 4 (b) is a graph showing the vertical slope (S) of the maximum wind speed radius, Figure 4 (c) is the maximum wind speed linear regression The graph shown.

In operation 207, the image processing apparatus may calculate vertical slopes Svu and Svl of the maximum wind speeds of the upper and lower layers based on the 900 hPa altitude. The image processing apparatus may calculate vertical slopes Svu and Svl of the maximum wind speed with respect to the typhoon using Equation 5 below. That is, the image processing apparatus performs an operation for estimating the maximum wind speed of the typhoon by altitude from the vertical slopes Svu and Svl of the maximum wind speed.

는 태풍 최대풍속(m/s)을 의미한다. 여기서, 고도가 900 hPa 이하일 때, 본 발명은 태풍에 관한 최대 풍속의 연직 기울기(Svu)을 계산할 수 있다. 최대 풍속의 연직 기울기(Svu)에 관한 vu, dvu은 회귀 계수이고, 회귀 계수는 각각 -0.0053 ((m/s)/hPa), 0.0008(/hPa) 이다.here,

Is the typhoon maximum wind speed (m / s). Here, when the altitude is 900 hPa or less, the present invention can calculate the vertical slope Svu of the maximum wind speed with respect to the typhoon. Vu and dvu for the vertical slope of the maximum wind speed (Svu) are the regression coefficients, and the regression coefficients are -0.0053 ((m / s) / hPa) and 0.0008 (/ hPa), respectively.

In addition, when the altitude is 900 hPa or more, the present invention can calculate the vertical slope Svl of the maximum wind speed with respect to the typhoon. Vl and dvl for the vertical slope (Svl) of the maximum wind speed are the regression coefficients, and the regression coefficients are 0.0306 ((m / s) / hPa) and -0.0060 (/ hPa), respectively.

This may be shown as (a) and (b) of Figure 5, Figure 5 (a) is a graph showing the vertical profile of the maximum wind speed, Figure 5 (b) is a graph showing the maximum wind speed linear regression.

In operation 208, the image processing apparatus may calculate the one-dimensional wind field by applying the maximum wind speed radius Vmax, the maximum wind speed radius Rmax, and the typhoon relaxation coefficient x for the typhoon to the modified combine Rankine vortex model. have. Here, the image processing apparatus may calculate the one-dimensional wind field by using Equation 6 below.

In operation 209, the image processing apparatus may calculate a two-dimensional symmetric wind field of the region around the typhoon by applying it to all azimuth angles from the typhoon center.

In operation 210, the image processing apparatus may calculate the two-dimensional asymmetric wind field by adding the movement speed of the typhoon to the calculated two-dimensional symmetric wind field.

In operation 211, the image processing apparatus uses the vertical slope S of the maximum wind speed radius calculated from Equation 4 of step 206 in the two-dimensional asymmetric wind field and the maximum wind speed radius changed for each altitude and step 207. By using the vertical slope (Svu, Svl) of the maximum wind speed calculated from Equation 5 of the three-dimensional asymmetric wind field can be calculated by applying the maximum wind speed changed for each altitude.

In operation 212, the image processing apparatus may finally calculate a three-dimensional horizontal wind field from the three-dimensional asymmetric wind field.

FIG. 6 is a flowchart of obtaining a microwave horizontal wind field by applying the method of Equation 7 based on the earth radiant energy measured by a microwave probe of a polar orbit satellite according to an embodiment.

The image processing apparatus may generate a microwave horizontal wind field based on the earth radiant energy measured by the microwave probe of the polar orbit satellite.

In operation 601, the image processing apparatus may determine whether an all-weather vertical temperature sounding microwave (AMSU) advanced microwave sounding unit is used. That is, the image processing apparatus may check whether the data is measured through the microwave probe of the polar orbit satellite.

In operation 602, the image processing apparatus may use variables for each of the location of the typhoon TC pos, the intensity of the typhoon V _max , the infrared horizontal wind field IR wind, and AMSU. have.

In operation 603, the image processing apparatus may consider a typhoon nucleus structure of the typhoon through the brightness temperature of each channel of the microwave probe to generate the microwave horizontal wind field. In detail, the image processing apparatus may calculate radii R7 and R8 at which the temperature at the center of the typhoon is 0.5 ° C. in the temperature field of channels 7 and 8 of AMSU-A. As an example, the image processing apparatus may estimate a nucleus radius (temperature attenuation radius) of channels 6, 7, 8, and 9 (100 to 500 hPa) of AMSU-A. The image processing apparatus may calculate radii R7 and R8 at which a 0.5 ° C difference dT occurs with the temperature at the center of the typhoon according to the radius of the yolk sac. The oocyte radius can be expressed as shown in FIG.

In step 604, the image processing apparatus performs the linear slope of the typhoon maximum wind speed radius R _max and the vertical slope of the typhoon maximum wind speed V _max from the difference between the two radii according to the radius R7 and R8, respectively, through the linear regression equation (6). Vertical slope can be calculated. Equation 7 may be expressed as follows.

는 태풍 최대풍속반경의 기울기,

는 태풍 최대풍속의 기울기를 의미하며, l, m, i, j는 회귀 계수이고 각각 -0.0639 (km/hPa), 0.0341 (/hPa), 0.0134 ((m/s)/hPa), 0.0046 ((m/s)/hPa/km) 일 수 있다. 이는 도 8과 같이 나타낼 수 있다.here,

The slope of the maximum wind speed radius of the typhoon,

Is the slope of the typhoon maximum, l, m, i, j are the regression coefficients, and -0.0639 (km / hPa), 0.0341 (/ hPa), 0.0134 ((m / s) / hPa), 0.0046 (( m / s) / hPa / km). This may be represented as shown in FIG. 8.

In step 605, the image processing apparatus is applied to the upper elevation of the infrared image-based infrared horizontal IR wind based on the calculated vertical slope of the maximum wind radius Rmax and vertical slope of the maximum typhoon wind speed Vmax. Finally, the microwave horizontal wind field (MW wind) around the microwave probe-based typhoon can be finally calculated.

9 is a flowchart illustrating a horizontal wind field calculation method according to an embodiment.

In operation 901, the image processing apparatus may generate an infrared horizontal wind field in a region where a typhoon occurs from an infrared image observed by an infrared imager of a geostationary satellite.

In operation 902, the image processing apparatus may determine whether to use an all-weather vertical temperature probe microwave generator to generate a microwave horizontal wind field in collecting atmospheric data from the polar orbit satellite.

If a microwave probe is present (Yes), in step 903, the image processing device may generate a microwave horizontal wind field based on the earth radiant energy measured by the microwave probe of the polar orbit satellite.

In operation 904, the image processing apparatus may generate an atmospheric motion vector from the infrared image observed by the infrared imager of the geostationary orbit satellite.

In operation 905, the image processing apparatus may determine whether the satellite scattering data (ASCAT) is used to generate sea breezes related to the movement of the atmosphere above sea level.

In the case of using satellite scatterometer data (Yes), in step 906, the image processing apparatus is expressed as a function of wind speed and wind direction, and by applying an algorithm corresponding to the frequency of the scattering system to the energy returned by the sea surface roughness. For example, sea breezes based on satellite scattering data can be generated.

In operation 907, the image processing apparatus may use respective weight functions according to the distance and the altitude of the infrared horizontal wind field, the microwave horizontal wind field, the sea wind, and the atmospheric motion vector, based on the eye of the typhoon.

In operation 908, the image processing apparatus may finally calculate a horizontal synthesized wind field for the three-dimensional space around the eye of the typhoon by synthesizing the infrared horizontal wind field, the microwave horizontal wind field, the sea wind, and the atmospheric motion vector. .

FIG. 10 is a weight graph for calculating a horizontal synthesized wind field for a three-dimensional space around an eye of a typhoon.

Referring to FIG. 10A, an image processing apparatus is a weighted graph for each distance at a center of a typhoon of an infrared horizontal wind field, a microwave horizontal wind field, a microwave image, and an atmospheric motion vector. The image processing apparatus may finally calculate a horizontal synthesized wind field with respect to the three-dimensional space around the eye of the typhoon. The image processing apparatus may estimate a weight function in which the minimum error has the maximum weight through a root-mean-square error (RMS) analysis on each of the infrared horizontal wind field, the microwave horizontal wind field, and the atmospheric motion vector. This may be expressed as in Equation 8.

Referring to FIG. 10 (b), the image processing apparatus is a weighted graph for each altitude from the sea level to the upper layer of the infrared horizontal wind field, the microwave horizontal wind field, and the atmospheric motion vector. The image processing apparatus may finally calculate a horizontal synthesized wind field with respect to the three-dimensional space around the eye of the typhoon. The image processing apparatus may estimate a weight function in which the minimum error has the maximum weight through a root-mean-square error (RMS) analysis on each of the infrared horizontal wind field, the microwave horizontal wind field, and the atmospheric motion vector. This can be expressed as in Equation (9).

The method according to the embodiment may be embodied in the form of program instructions that can be executed by various computer means and recorded in a computer readable medium. The computer readable medium may include program instructions, data files, data structures, and the like, alone or in combination. The program instructions recorded on the media may be those specially designed and constructed for the purposes of the embodiments, or they may be of the kind well-known and available to those having skill in the computer software arts. Examples of computer-readable recording media include magnetic media such as hard disks, floppy disks, and magnetic tape, optical media such as CD-ROMs, DVDs, and magnetic disks, such as floppy disks. Magneto-optical media, and hardware devices specifically configured to store and execute program instructions, such as ROM, RAM, flash memory, and the like. Examples of program instructions include not only machine code generated by a compiler, but also high-level language code that can be executed by a computer using an interpreter or the like. The hardware device described above may be configured to operate as one or more software modules to perform the operations of the embodiments, and vice versa.

The software may include a computer program, code, instructions, or a combination of one or more of the above, and may configure the processing device to operate as desired, or process independently or collectively. You can command the device. Software and / or data may be any type of machine, component, physical device, virtual equipment, computer storage medium or device in order to be interpreted by or to provide instructions or data to the processing device. Or may be permanently or temporarily embodied in a signal wave to be transmitted. The software may be distributed over networked computer systems so that they may be stored or executed in a distributed manner. Software and data may be stored on one or more computer readable recording media.

Although the embodiments have been described with reference to the accompanying drawings, those skilled in the art may apply various technical modifications and variations based on the above. For example, the described techniques may be performed in a different order than the described method, and / or components of the described systems, structures, devices, circuits, etc. may be combined or combined in a different form than the described method, or other components. Or, even if replaced or substituted by equivalents, an appropriate result can be achieved.

Therefore, other implementations, other embodiments, and equivalents to the claims are within the scope of the following claims.

101: image processing device
102: geostationary orbit satellite
103: polar orbit satellite
104: multiple horizontal wind field

Claims (1)

Generating an infrared horizontal wind (IR wind) and an atmospheric motion vector (AMV) in a region where a typhoon is generated from the infrared image observed by the infrared imager of the geostationary satellite;
Generating a microwave horizontal wind field (MW wind) based on earth radiant energy measured by a microwave probe of a polar orbit satellite;
Generating a sea breeze relating to the movement of the atmosphere above sea level from satellite scattering station data of the polar orbit satellite; And
Analyzing the infrared horizontal wind field, microwave horizontal wind field, atmospheric motion vector, and marine wind from the center of the typhoon to calculate a multi wind for the three-dimensional space of the region where the typhoon occurred;
Level wind field calculation method comprising a.

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