CN108761443A - A kind of method of the longitude and latitude of determining target being observed and a kind of observation platform - Google Patents
A kind of method of the longitude and latitude of determining target being observed and a kind of observation platform Download PDFInfo
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- CN108761443A CN108761443A CN201810290069.0A CN201810290069A CN108761443A CN 108761443 A CN108761443 A CN 108761443A CN 201810290069 A CN201810290069 A CN 201810290069A CN 108761443 A CN108761443 A CN 108761443A
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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
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/86—Combinations of radar systems with non-radar systems, e.g. sonar, direction finder
- G01S13/867—Combination of radar systems with cameras
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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
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/66—Radar-tracking systems; Analogous systems
- G01S13/72—Radar-tracking systems; Analogous systems for two-dimensional tracking, e.g. combination of angle and range tracking, track-while-scan radar
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar Systems Or Details Thereof (AREA)
Abstract
The present invention provides a kind of method of longitude and latitude of determining target being observed and a kind of observation platform, this method, including：Shoot the video image of target being observed；According to the video image of the target being observed, the bogey heading of the target being observed is determined；Determine longitude and latitude and the observation course of observation platform；Determine the observation platform at a distance from the target being observed；According to the bogey heading of the target being observed, the longitude and latitude of the observation platform and the observation course and the observation platform at a distance from the target being observed, the longitude and latitude of the target being observed is determined.The present invention provides a kind of method of longitude and latitude of determining target being observed and a kind of observation platforms, and the longitude and latitude of target being observed can be determined more accurately.
Description
Technical field
The present invention relates to a kind of method of technical field of target location more particularly to longitude and latitude of determining target being observed and
A kind of observation platform.
Background technology
Positioning is carried out to target and has been applied to various aspects, and these positioning are determined according to what target itself carried mostly
Position equipment realizes, still, many fields be also frequently encountered in the case where data can not be obtained from target internal from
The case where outside positions target, such as noncooperative target is positioned.
In the prior art, target is positioned from outside generally by way of single-pulse track.Specifically, list is utilized
Pulse radar emits pulse, it often emits a pulse, and the antenna of radar can be formed simultaneously several wave beams, according to each wave
The echo-signal of beam positions target.
But these echo-signals can cause position inaccurate, such as done by strong ground and sea clutter by various noise jamming
It disturbs.
Invention content
An embodiment of the present invention provides a kind of method of longitude and latitude of determining target being observed and a kind of observation platforms, can
The longitude and latitude of target being observed is determined more accurately.
On the one hand, an embodiment of the present invention provides a kind of methods of the longitude and latitude of determining target being observed, including：
Shoot the video image of target being observed；
According to the video image of the target being observed, the bogey heading of the target being observed is determined；
Determine longitude and latitude and the observation course of observation platform；
Determine the observation platform at a distance from the target being observed；
According to the bogey heading of the target being observed, the longitude and latitude of the observation platform and the observation course with
And the observation platform determines the longitude and latitude of the target being observed at a distance from the target being observed.
Further,
It is described to be navigated according to the bogey heading of the target being observed, the longitude and latitude of the observation platform and the observation
To and the observation platform at a distance from the target being observed, determine the longitude and latitude of the target being observed, including：
According to the observation course of the bogey heading of the target being observed and the observation platform, described seen is determined
Survey the angle between target and the observation platform；
Determine that the longitude of the target being observed, the formula one are according to formula one：
Determine that the dimension of the target being observed, the formula two are according to formula two：
Wherein, JmFor the longitude of the target being observed, WmFor the dimension of the target being observed, JcIt is flat for the observation
The longitude of platform, WcFor the dimension of the observation platform, L is the observation platform at a distance from the target being observed, and a is the earth
Major semiaxis, b are semiminor axis of ellipsoid, angles of the θ between the target being observed and the observation platform.
Further,
The video image according to the target being observed determines the bogey heading of the target being observed, packet
It includes：
The head and tail portion of the target being observed are identified from the video image；
Determine the central axes for connecting the head and the tail portion；
Determine the angle of the central axes and direction north；
Using the angle in the central axes and direction north as the bogey heading of the target being observed.
Further,
This method further comprises：
Radar and camera are set in the observation platform in advance, wherein the radar and the camera are that photoelectricity is same
Axis；
Further comprise：
Adjusting the camera in real time makes the target being observed maintain the field of view center of the camera；
The video image of the shooting target being observed, including：
The video image of the target being observed is shot using the camera；
The determination observation platform at a distance from the target being observed, including：
Determine the observation platform at a distance from the target being observed using the radar.
Further,
Described the camera is adjusted in real time the target being observed is made to maintain the field of view center of the camera
Before, further comprise：
Include the image of the target being observed using camera shooting；
Image including the target being observed is identified, is identified from the image including the target being observed
The target being observed.
On the other hand, an embodiment of the present invention provides a kind of observation platforms, including：
Shooting unit, the video image for shooting target being observed；
Bogey heading determination unit is observed for the video image according to the target being observed described in determination
The bogey heading of target；
Observation platform determination unit, the longitude and latitude for determining observation platform and observation course；
Distance determining unit, for determining the observation platform at a distance from the target being observed；
Longitude and latitude determination unit, for the warp according to the bogey heading of the target being observed, the observation platform
Latitude and the observation course and the observation platform determine the target being observed at a distance from the target being observed
Longitude and latitude.
Further,
The longitude and latitude determination unit, is used for：
According to the observation course of the bogey heading of the target being observed and the observation platform, described seen is determined
Survey the angle between target and the observation platform；
Determine that the longitude of the target being observed, the formula one are according to formula one：
Determine that the dimension of the target being observed, the formula two are according to formula two：
Wherein, JmFor the longitude of the target being observed, WmFor the dimension of the target being observed, JcIt is flat for the observation
The longitude of platform, WcFor the dimension of the observation platform, L is the observation platform at a distance from the target being observed, and a is the earth
Major semiaxis, b are semiminor axis of ellipsoid, angles of the θ between the target being observed and the observation platform.
Further,
The bogey heading determination unit, for identified from the video image target being observed head and
Tail portion；Determine the central axes for connecting the head and the tail portion；Determine the angle of the central axes and direction north；In described
The bogey heading of axis and the angle in direction north as the target being observed.
Further,
The shooting unit, including：Camera；
The distance determining unit, including：Radar；
The radar and the camera are photoelectricity coaxials；
Further comprise：Adjustment unit makes the target being observed maintain institute for adjusting the camera in real time
State the field of view center of camera.
Further,
The camera is further used for the image that shooting includes the target being observed；
Further comprise：
Recognition unit, for the image including the target being observed to be identified, from including the target being observed
Image in identify the target being observed.
In embodiments of the present invention, the bogey heading that target being observed is determined by video image, in conjunction with observation platform
Longitude and latitude, observation course, observation platform at a distance from target being observed, determine the longitude and latitude of target being observed, the program
It will not be interfered by various clutters, the longitude and latitude of target being observed can be determined more accurately.
Description of the drawings
Fig. 1 is a kind of flow chart of the method for the longitude and latitude for determining target being observed that one embodiment of the invention provides；
Fig. 2 is the flow chart of the method for the longitude and latitude that the another kind that one embodiment of the invention provides determines target being observed；
Fig. 3 is a kind of schematic diagram for observation platform that one embodiment of the invention provides.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
The every other embodiment that member is obtained without making creative work, shall fall within the protection scope of the present invention.
As shown in Figure 1, an embodiment of the present invention provides a kind of methods of the longitude and latitude of determining target being observed, including：
Step 101：Shoot the video image of target being observed；
Step 102：According to the video image of the target being observed, the target boat of the target being observed is determined
To；
Step 103：Determine longitude and latitude and the observation course of observation platform；
Step 104：Determine the observation platform at a distance from the target being observed；
Step 105：According to the bogey heading of the target being observed, the longitude and latitude of the observation platform and the sight
Course and the observation platform are surveyed at a distance from the target being observed, determines the longitude and latitude of the target being observed.
In embodiments of the present invention, the bogey heading that target being observed is determined by video image, in conjunction with observation platform
Longitude and latitude, observation course, observation platform at a distance from target being observed, determine the longitude and latitude of target being observed, the program
It will not be interfered by various clutters, the longitude and latitude of target being observed can be determined more accurately.
In embodiments of the present invention, by the video image of captured in real-time target being observed, determine in real time bogey heading,
Longitude and latitude, observation course and the observation platform of observation platform can be determined to be observed in real time at a distance from target being observed
The longitude and latitude of target, and then can be in real time to target being observed into line trace.
In an embodiment of the present invention, the bogey heading, the observation platform according to the target being observed
Longitude and latitude and the observation course and the observation platform at a distance from the target being observed, determine described in be observed mesh
Target longitude and latitude, including：
According to the observation course of the bogey heading of the target being observed and the observation platform, described seen is determined
Survey the angle between target and the observation platform；
Determine that the longitude of the target being observed, the formula one are according to formula one：
Determine that the dimension of the target being observed, the formula two are according to formula two：
Wherein, JmFor the longitude of the target being observed, WmFor the dimension of the target being observed, JcIt is flat for the observation
The longitude of platform, WcFor the dimension of the observation platform, L is the observation platform at a distance from the target being observed, and a is the earth
Major semiaxis, b are semiminor axis of ellipsoid, angles of the θ between the target being observed and the observation platform.
In embodiments of the present invention, the unit of longitude and latitude all degree of being.The value of semimajor axis of ellipsoid can be
6378136.48 meters, the value of semiminor axis of ellipsoid can be 6356755 meters.The unit of L is rice.The unit degree of being of θ.
The longitude and latitude of target being observed can be determined more accurately out through the embodiment of the present invention.
In embodiments of the present invention, the folder between target being observed and observation platform can be determined in the following manner
Angle：
Using target being observed and first angle in direction north as the bogey heading of target being observed；
Using observation platform and second angle in direction north as the observation course of observation platform；
Using the absolute value of the difference of the first angle and the second angle as the angle between target being observed and observation platform.
In an embodiment of the present invention, the video image according to the target being observed, determines described seen
The bogey heading of target is surveyed, including：
The head and tail portion of the target being observed are identified from the video image；
Determine the central axes for connecting the head and the tail portion；
Determine the angle of the central axes and direction north；
Using the angle in the central axes and direction north as the bogey heading of the target being observed.
In embodiments of the present invention, by the head of the target being observed in video image and tail by way of image recognition
Portion identifies, the two is constituted to the central axes for being observed face, using the angle in the central axes and direction north as bogey heading.
The realization method is suitable for the targets being observed such as ship.
In an embodiment of the present invention, this method further comprises：
Radar and camera are set in the observation platform in advance, wherein the radar and the camera are that photoelectricity is same
Axis；
Further comprise：
Adjusting the camera in real time makes the target being observed maintain the field of view center of the camera；
The video image of the shooting target being observed, including：
The video image of the target being observed is shot using the camera；
The determination observation platform at a distance from the target being observed, including：
Determine the observation platform at a distance from the target being observed using the radar.
In embodiments of the present invention, radar and camera are photoelectricity coaxials, and radar can turn with the rotation of camera
It is dynamic, when target being observed maintains the field of view center of camera, it can ensure that alignment is observed radar antenna main beam in real time
Target, and then can accurately determine the distance between target being observed and observation platform.
High-definition camera may be used in the camera.
In an embodiment of the present invention, described the camera adjusted in real time the target being observed is made to maintain institute
Before the field of view center for stating camera, further comprise：
Include the image of the target being observed using camera shooting；
Image including the target being observed is identified, is identified from the image including the target being observed
The target being observed.
In embodiments of the present invention, in order to more accurately track target being observed, in order to by target being observed
Maintain field of view center, it is necessary first to identify target being observed.
Specifically, mesh can be observed to identify by the algorithm being combined based on shape filtering and target signature matching
Mark.First, most of background is filtered out using shape filtering, is then recycled more than pipeline filter and target signature matching rejecting
Under false target jamming profile realize the tenacious tracking preserved to target being observed to identify target being observed.
In embodiments of the present invention, observation platform can be located on aircraft, and video image can with respect to the state of flight of aircraft
To be divided into several stages.In different phase, the video image of target being observed have the characteristics that it is different, from finding to be observed mesh
Mark starts, and the pixel that target occupies in visual field is seldom, and target being observed occupies in visual field when to positioned at the surface of target
Pixel it is very big.Stable tracking can be carried out to target being observed by different algorithms for the different stages.
As shown in Fig. 2, an embodiment of the present invention provides a kind of methods of the longitude and latitude of determining target being observed, including：
Step 201：Radar and camera are set in observation platform in advance, wherein radar and camera are photoelectricity coaxials.
For example, observation platform is located on aircraft, and aircraft is observed target being observed during flight.
Step 202：Include the image of target being observed using camera shooting.
For example, target being observed is the object ship in course on sea, which is noncooperative target.Camera exists
When shooting includes the image of object ship, the decoys such as other ships of sea and surrounding can be taken.
Step 203：Image including target being observed is identified, is identified from the image including target being observed
Target being observed.
For example, when the image including object ship being identified, most of Sea background is filtered using shape filtering
It removes, then recycles pipeline filter and target signature matching to reject the interference of the decoys such as other ships, to identify target
Ship reaches the tenacious tracking remained to object ship.
Step 204：Adjustment camera makes target being observed maintain the field of view center of camera in real time.
For example, adjustment camera makes object ship be located at the field of view center of camera in real time in real time.Due to camera
It is photoelectricity coaxial with radar, when adjusting camera, radar is adjusted also with camera, can ensure radar antenna master
Wave beam is directed at target being observed in real time, ensure that radar tracks stablizing for object ship.
Step 205：The video image of target being observed is shot using camera.
For example, the video image of camera captured in real-time object ship is utilized.
Step 206：It identifies the head and tail portion of target being observed from video image, determines connection head and tail portion
Central axes determine the angle of central axes and direction north, navigate the angle in central axes and direction north as the target of target being observed
To.
Step 207：Determine longitude and latitude and the observation course of observation platform.
The longitude and latitude of observation platform and observation course can be determined by equipment such as the sensors of itself.
Specifically, when observation platform is located on aircraft, the longitude and latitude of observation platform and observation course can be from aircraft inertial navigations
It is obtained in record data.
Step 208：Determine observation platform at a distance from target being observed using radar.
Specifically, radar is adjusted with the adjustment of camera, is realized and is tracked stablizing for target being observed, and then can
The real-time distance of observation platform and target being observed is determined in real time.
Step 209：According to the observation course of the bogey heading of target being observed and observation platform, determine target being observed with
Angle between observation platform.
Step 210：Determine that the longitude of target being observed, formula one are according to formula one：
Step 211：Determine that the dimension of target being observed, formula two are according to formula two：
Wherein, JmFor the longitude of target being observed, WmFor the dimension of target being observed, JcFor the longitude of observation platform, WcFor
The dimension of observation platform, L be observation platform at a distance from target being observed, a is semimajor axis of ellipsoid, and b is semiminor axis of ellipsoid, and θ is
Angle between target being observed and observation platform.
In embodiments of the present invention, the longitude and latitude that can accurately determine target being observed, in conjunction with target being observed
Course can accurately determine that the measurement data of target being observed corresponds to the relative angle information of target being observed, can make to be directed to
The measurement data of target being observed, which is corresponded, realizes that the electromagnetism of target being observed is dissipated to the spatial distribution position of target being observed
Spatial distribution measurement is penetrated, and then can be realized to the airborne lower regarding Electromagnetic Scattering Characteristics measurement of target being observed.
The embodiment of the present invention, which can be applied to, measures the airborne lower Electromagnetic Scattering Characteristics that regard of target being observed.
The embodiment of the present invention solves down the traditional single pulse in measuring by the way of the tracking of photoelectricity coaxial optical imagery
Tracking mode can be protected due to the unstable disadvantage of target following caused by ground and sea clutter and other object effects, the embodiment of the present invention
Demonstrate,prove the tenacious tracking to target being observed.
In embodiments of the present invention, the optical imagery of photoelectricity coaxial can assist the electromagnetic scattering of target being observed special well
Property measurement data analysis, it is ensured that the precision of measurement data.
As shown in figure 3, an embodiment of the present invention provides a kind of observation platforms, including：
Shooting unit 301, the video image for shooting target being observed；
Bogey heading determination unit 302 determines described seen for the video image according to the target being observed
Survey the bogey heading of target；
Observation platform determination unit 303, the longitude and latitude for determining observation platform and observation course；
Distance determining unit 304, for determining the observation platform at a distance from the target being observed；
Longitude and latitude determination unit 305, for according to the bogey heading of the target being observed, the observation platform
Longitude and latitude and the observation course and the observation platform determine the target being observed at a distance from the target being observed
Longitude and latitude.
In an embodiment of the present invention, the longitude and latitude determination unit, is used for：
According to the observation course of the bogey heading of the target being observed and the observation platform, described seen is determined
Survey the angle between target and the observation platform；
Determine that the longitude of the target being observed, the formula one are according to formula one：
Determine that the dimension of the target being observed, the formula two are according to formula two：
Wherein, JmFor the longitude of the target being observed, WmFor the dimension of the target being observed, JcIt is flat for the observation
The longitude of platform, WcFor the dimension of the observation platform, L is the observation platform at a distance from the target being observed, and a is the earth
Major semiaxis, b are semiminor axis of ellipsoid, angles of the θ between the target being observed and the observation platform.
In an embodiment of the present invention, the bogey heading determination unit, for identifying institute from the video image
State the head and tail portion of target being observed；Determine the central axes for connecting the head and the tail portion；Determine the central axes with
The angle in direction north；Using the angle in the central axes and direction north as the bogey heading of the target being observed.
In an embodiment of the present invention, the shooting unit, including：Camera；
The distance determining unit, including：Radar；
The radar and the camera are photoelectricity coaxials；
Further comprise：Adjustment unit makes the target being observed maintain institute for adjusting the camera in real time
State the field of view center of camera.
In embodiments of the present invention, adjustment unit can be realized by photoelectric tracer.
In an embodiment of the present invention, the camera is further used for the image that shooting includes the target being observed；
Further comprise：
Recognition unit, for the image including the target being observed to be identified, from including the target being observed
Image in identify the target being observed.
The embodiment of the present invention at least has the advantages that：
1, in embodiments of the present invention, the bogey heading that target being observed is determined by video image is flat in conjunction with observation
The longitude and latitude of platform observes course, observation platform at a distance from target being observed, determines the longitude and latitude of target being observed, the party
Case will not be interfered by various clutters, and the longitude and latitude of target being observed can be determined more accurately.
2, in embodiments of the present invention, radar and camera are photoelectricity coaxials, radar can with the rotation of camera and
Rotation can ensure that radar antenna main beam in real time seen by alignment when target being observed maintains the field of view center of camera
Target is surveyed, and then can accurately determine the distance between target being observed and observation platform.
3, the embodiment of the present invention solves down traditional simple venation in measuring by the way of the tracking of photoelectricity coaxial optical imagery
Tracking mode is rushed due to the unstable disadvantage of target following caused by ground and sea clutter and other object effects, energy of the embodiment of the present invention
Ensure the tenacious tracking to target being observed.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, it will be understood by those of ordinary skill in the art that：It still may be used
With technical scheme described in the above embodiments is modified or equivalent replacement of some of the technical features；
And these modifications or replacements, various embodiments of the present invention technical solution that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (10)
1. a kind of method of the longitude and latitude of determining target being observed, which is characterized in that including：
Shoot the video image of target being observed；
According to the video image of the target being observed, the bogey heading of the target being observed is determined；
Determine longitude and latitude and the observation course of observation platform；
Determine the observation platform at a distance from the target being observed；
According to the bogey heading of the target being observed, the longitude and latitude of the observation platform and the observation course and institute
Observation platform is stated at a distance from the target being observed, determines the longitude and latitude of the target being observed.
2. according to the method described in claim 1, it is characterized in that,
It is described according to the bogey heading of the target being observed, the longitude and latitude of the observation platform and the observation course with
And the observation platform determines the longitude and latitude of the target being observed at a distance from the target being observed, including：
According to the observation course of the bogey heading of the target being observed and the observation platform, mesh is observed described in determination
Angle between mark and the observation platform；
Determine that the longitude of the target being observed, the formula one are according to formula one：
Determine that the dimension of the target being observed, the formula two are according to formula two：
Wherein, JmFor the longitude of the target being observed, WmFor the dimension of the target being observed, JcFor the observation platform
Longitude, WcFor the dimension of the observation platform, L is the observation platform with the target being observed at a distance from, a be earth length partly
Axis, b are semiminor axis of ellipsoid, angles of the θ between the target being observed and the observation platform.
3. according to the method described in claim 1, it is characterized in that,
The video image according to the target being observed determines the bogey heading of the target being observed, including：
The head and tail portion of the target being observed are identified from the video image；
Determine the central axes for connecting the head and the tail portion；
Determine the angle of the central axes and direction north；
Using the angle in the central axes and direction north as the bogey heading of the target being observed.
4. according to any method in claim 1-3, which is characterized in that
Further comprise：
Radar and camera are set in the observation platform in advance, wherein the radar and the camera are photoelectricity coaxials；
Further comprise：
Adjusting the camera in real time makes the target being observed maintain the field of view center of the camera；
The video image of the shooting target being observed, including：
The video image of the target being observed is shot using the camera；
The determination observation platform at a distance from the target being observed, including：
Determine the observation platform at a distance from the target being observed using the radar.
5. according to the method described in claim 4, it is characterized in that,
It is described adjust the field of view center that the camera so that the target being observed maintains the camera in real time before,
Further comprise：
Include the image of the target being observed using camera shooting；
Image including the target being observed is identified, is identified from the image including the target being observed described
Target being observed.
6. a kind of observation platform, which is characterized in that including：
Shooting unit, the video image for shooting target being observed；
Bogey heading determination unit determines the target being observed for the video image according to the target being observed
Bogey heading；
Observation platform determination unit, the longitude and latitude for determining observation platform and observation course；
Distance determining unit, for determining the observation platform at a distance from the target being observed；
Longitude and latitude determination unit, for the longitude and latitude according to the bogey heading of the target being observed, the observation platform
With the observation course and the observation platform at a distance from the target being observed, the longitude and latitude of the target being observed is determined
Degree.
7. observation platform according to claim 6, which is characterized in that
The longitude and latitude determination unit, is used for：
According to the observation course of the bogey heading of the target being observed and the observation platform, mesh is observed described in determination
Angle between mark and the observation platform；
Determine that the longitude of the target being observed, the formula one are according to formula one：
Determine that the dimension of the target being observed, the formula two are according to formula two：
Wherein, JmFor the longitude of the target being observed, WmFor the dimension of the target being observed, JcFor the observation platform
Longitude, WcFor the dimension of the observation platform, L is the observation platform with the target being observed at a distance from, a be earth length partly
Axis, b are semiminor axis of ellipsoid, angles of the θ between the target being observed and the observation platform.
8. observation platform according to claim 6, which is characterized in that
The bogey heading determination unit, head and tail for identifying the target being observed from the video image
Portion；Determine the central axes for connecting the head and the tail portion；Determine the angle of the central axes and direction north；By the axis
The bogey heading of line and the angle in direction north as the target being observed.
9. according to any observation platform in claim 6-8, which is characterized in that
The shooting unit, including：Camera；
The distance determining unit, including：Radar；
The radar and the camera are photoelectricity coaxials；
Further comprise：Adjustment unit makes the target being observed maintain described take the photograph for adjusting the camera in real time
As the field of view center of head.
10. observation platform according to claim 9, which is characterized in that
The camera is further used for the image that shooting includes the target being observed；
Further comprise：
Recognition unit, for the image including the target being observed to be identified, from the figure for including the target being observed
The target being observed is identified as in.
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| CN201810290069.0A CN108761443A (en) | 2018-04-03 | 2018-04-03 | A kind of method of the longitude and latitude of determining target being observed and a kind of observation platform |
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| CN201810290069.0A Pending CN108761443A (en) | 2018-04-03 | 2018-04-03 | A kind of method of the longitude and latitude of determining target being observed and a kind of observation platform |
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| CN110412555A (en) * | 2019-07-20 | 2019-11-05 | 中国船舶重工集团公司第七二四研究所 | A kind of aerial target instruction modification method based on Riemann surface |
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