CN112114291A - Radar primary information display method - Google Patents
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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
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/04—Display arrangements
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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
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
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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
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
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- G01S7/06—Cathode-ray tube displays or other two dimensional or three-dimensional displays
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Abstract
The invention discloses a radar primary information display method, and relates to the field of radars. The method comprises the following steps: generating a geographic map layer according to a position set by a radar, and generating a background information layer according to PPI display range information; acquiring radar primary information and navigation data information, and converting the radar primary information and the navigation data information into a preset format; generating a primary information layer according to the converted primary radar information, and generating a point navigation information layer according to the converted point navigation data information; and superposing the geographical map layer, the background information layer, the primary information layer and the navigation information layer for displaying according to a preset layer superposition rule. The invention can effectively reduce the requirement on the display card, has stronger dynamic display efficiency compared with an image rendering mode, does not need global rendering and has higher response speed.
Description
Technical Field
The invention relates to the field of radars, in particular to a radar primary information display method, a radar primary information display system, a radar primary information display storage medium and a radar primary information display device.
Background
The radar display control software is an important component of a radar system and is used for controlling the radar system, displaying radar primary information, displaying point navigation information, monitoring system states, displaying processing results in different modes and the like. The radar primary information refers to a certain space point of the radar in different directions, pitches and distances, and multiple data are obtained through analysis of echo signals received by a radar front-end system.
The existing display method is mainly realized by an OpenGL graphics rendering technology and by combining various characteristics of a video memory with the OpenGL graphics rendering technology, has certain requirements on a hardware display card, and cannot complete display when the performance of the display card of a computer system is insufficient.
Disclosure of Invention
The invention aims to solve the technical problem of providing a radar primary information display method, a system, a storage medium and a device aiming at the defects of the prior art.
The technical scheme for solving the technical problems is as follows:
a radar primary information display method comprises the following steps:
generating a geographic map layer according to a position set by a radar, and generating a background information layer according to PPI display range information;
acquiring primary radar information and point navigation data information, and converting the primary radar information and the point navigation data information into a preset format;
generating a primary information layer according to the converted primary radar information, and generating a point navigation information layer according to the converted point navigation data information;
and according to a preset layer superposition rule, superposing and displaying the geographical map layer, the background information layer, the primary information layer and the point navigation information layer.
The invention has the beneficial effects that: according to the method, the geographic map layer, the background information layer, the primary information layer and the navigation information layer are generated in advance, and the layers are superposed according to the preset layer superposition rule, so that compared with the method of rendering the image through OpenGL, the requirement on a display card can be effectively reduced, after the primary information of the radar is updated, only the sequential information layers need to be updated, compared with an image rendering mode, the dynamic display efficiency is higher, the global rendering is not needed, and the response speed is higher. And the layers can be generated in parallel through multiple threads, so that the display speed of the radar primary information can be improved, and the delay is reduced.
Another technical solution of the present invention for solving the above technical problems is as follows:
a radar primary information display system comprising:
the geographic map layer generating module is used for generating a geographic map layer according to the position set by the radar;
the background information layer generating module is used for generating a background information layer according to the PPI display range information;
the acquisition module is used for acquiring primary radar information and navigation data information;
the conversion module is used for converting the radar primary information and the point navigation data information into a preset format;
the primary information layer generating module is used for generating a primary information layer according to the converted radar primary information;
the point navigation information layer generating module is used for generating a point navigation information layer according to the converted point navigation data information;
and the display module is used for displaying the geographical map layer, the background information layer, the primary information layer and the point navigation information layer in a superposed manner according to a preset layer superposition rule.
Another technical solution of the present invention for solving the above technical problems is as follows:
a storage medium, wherein instructions are stored, and when the instructions are read by a computer, the instructions cause the computer to execute the radar primary information display method according to the above technical solution.
Another technical solution of the present invention for solving the above technical problems is as follows:
a radar primary information display apparatus comprising:
a memory for storing a computer program;
and the processor is used for executing the computer program to realize the radar primary information display method according to the technical scheme.
Advantages of additional aspects of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
FIG. 1 is a schematic flow chart of a radar primary information display method according to an embodiment of the present invention;
fig. 2 is a structural frame diagram provided in an embodiment of the radar primary information display system of the present invention.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth to illustrate, but are not to be construed to limit the scope of the invention.
The invention relates to a radar primary information display method based on QImage. The method is mainly used for PPI (pulse indication pulse) primary information time history display in radar display control software.
The radar display control software is an important component of a radar system and is used for controlling the radar system, displaying radar primary information and point navigation information, monitoring system states, displaying processing results in different modes and the like. The radar primary information refers to a certain space point of the radar in different directions, pitches and distances, and multiple data are obtained through analysis of echo signals received by a radar front-end system. As raw data received by a radar system, various required information can be acquired by different analysis processing methods. Meanwhile, the primary information of the radar is displayed in different modes, so that an operator can be helped to quickly position a target, distinguish the type of the target and the like; and the system debugging personnel can also be helped to troubleshoot the problems of the front end and the rear end of the system, and the debugging efficiency is improved. Therefore, the radar system can be effectively, intuitively and variously displayed for the primary information of the radar, and the practicability of the radar system can be improved.
There are many display modes for the primary information, which roughly include the following three modes:
(1) only displaying a certain type of data within a specified distance range in the normal direction of the radar, and displaying the data by taking a horizontal axis as a distance and a vertical axis as a plane rectangular coordinate system of the type of data;
(2) displaying a certain type of data with a certain orientation, different distances and different heights, and displaying a planar rectangular coordinate system of the type of data by a chromatogram by taking a horizontal axis as the distance and a vertical axis as the height;
(3) displaying one or more types of data of a certain pitch and different distances and different directions in the PPI display, and displaying the various types of data through the brightness of various colors.
The implementation mode of the invention is mainly directed to the (3) th display mode, and the existing implementation method of the display mode utilizes OpenGL graphics rendering technology. The implementation method is implemented by mainly utilizing various characteristics of the video memory in combination with the OpenGL graphics rendering technology, and has high requirements on the performance of a hardware video card.
Based on the above, the invention provides a display mode (3) realized based on a QImage graphic superposition mode. Compared with the OpenGL graphics rendering implementation method, the method is low in dependency on the graphics card, and can remarkably reduce the requirement on the performance of the graphics card.
As shown in fig. 1, a schematic flow chart provided in an embodiment of the method for displaying radar primary information according to the present invention can implement radar PPI primary information time history display based on qimap, and the display method includes:
s1, generating a geographic map layer according to the position set by the radar, and generating a background information layer according to the PPI display range information;
s2, acquiring radar primary information and navigation data information, and converting the radar primary information and the navigation data information into a preset format;
s3, generating a primary information layer according to the converted primary radar information, and generating a point navigation information layer according to the converted point navigation data information;
and S4, according to the preset layer superposition rule, superposing and displaying the geographical map layer, the background information layer, the primary information layer and the navigation information layer.
It should be noted that, during the initialization process of the radar display control software, a default geographic map layer and a default background information layer are generated according to information such as a position set by a radar and a PPI display range. At this time, because the radar display control software has no navigation information and radar primary information, the geographical map layer and the background information layer can be superposed and displayed in advance.
The PPI is used as a top view taking the radar as a center, and combined with a polar coordinate geographical map, various information of the radar can be corresponding to actual map information, so that an operator can conveniently perform comprehensive analysis. The polar coordinate geographical map layer of the designated area can be obtained through a third-party dynamic link library for subsequent fusion and superposition.
The PPI display range information mainly comprises element information required to be displayed by the traditional PPI display, such as a direction line, a distance ring and corresponding scale information required by the PPI display.
It should be noted that, because the original radar primary information data message formats of different radar systems are different, in order to realize the separation of the data layer and the display layer, the received radar primary information data can be converted into an internal storage format for unified storage and management, and the radar primary information data is provided in the internal data format.
After radar primary information data in an internal data format are obtained, data corresponding to the radar primary information and position information in three dimensions of azimuth, elevation and distance are selected according to the specified data type, and a radar primary information picture is generated. It should be understood that during the operation of the radar system, the front end of the radar returns the radar primary information data of each direction to the back end radar display control software. In order to realize the PPI radar primary information time history display, historical primary information data needs to be faded. The expression is that after receiving the radar primary information data of a new direction each time, the overall color blackness of the existing radar primary information picture is firstly improved, and it should be understood that the background color should be black. The latest azimuth data is then plotted at the corresponding position. And repeating the steps to generate a primary information layer required by the radar display control software PPI display radar primary information time course with blanking effect, wherein the generated layer is used for subsequent fusion and superposition.
The point navigation data information is one of important content elements which need to be displayed by a traditional PPI display, and can effectively help an operator and a debugger to perform data analysis after being overlaid and displayed with a primary information time history chart of the PPI display radar. And generating a point navigation information layer according to the point navigation position and target type information generated by the radar front-end system and the data processing system for subsequent fusion and superposition.
It should be understood that the preset layer superposition rule may be set according to actual requirements, for example, the preset layer superposition rule may be sequentially superposed according to the order of the point navigation information layer, the background information layer, the primary information layer, and the geographic map layer, and the upper layer picture covers the lower layer picture, and after the superposition and fusion are completed, the upper layer picture is displayed in a designated area of the radar display control software and is displayed to a radar operator.
It should be understood that the generation of the point navigation information layer, the background information layer, the primary information layer and the geographic map layer can be multi-thread parallel generation without a fixed sequence.
According to the embodiment, the geographic map layer, the background information layer, the primary information layer and the navigation information layer are generated in advance, however, the layers are overlapped according to the preset layer overlapping rule, compared with the method of rendering the image through OpenGL, the requirement on the display card can be effectively reduced, after primary information of the radar is updated, only the sequential information layers need to be updated, compared with an image rendering mode, the dynamic display efficiency is higher, global rendering is not needed, and the response speed is higher. And the layers can be generated in parallel through multiple threads, so that the display speed of the radar primary information can be improved, and the delay is reduced.
This embodiment can superpose geographical map and show, and the operative hand of being convenient for combines the map to carry out data analysis, shows through PPI for using the radar as the overlooking visual angle of center, and more audio-visual presents the result for the operative hand, can show multiclass data in the space simultaneously, and the operative hand of being convenient for combines multiclass data integrated analysis.
Optionally, in some embodiments, generating a geographic map layer according to a position set by the radar specifically includes:
and acquiring a polar coordinate geographical map picture of the position set by the radar through a third-party dynamic link library.
Optionally, in some embodiments, generating a background information layer according to the PPI explicit range information specifically includes:
and generating a background information layer according to the direction line, the distance ring and the corresponding scale information required by the PPI display.
Optionally, in some embodiments, generating a primary information layer according to the converted primary radar information specifically includes:
and generating a primary information layer according to the converted corresponding data of the primary radar information and the three-dimensional position information of the azimuth, the pitch and the distance.
Optionally, in some embodiments, the generating a primary information layer according to the converted data corresponding to the radar primary information and the three-dimensional position information of the azimuth, the pitch, and the distance specifically includes:
and after receiving the radar primary information data of a new direction, firstly improving the chromaticity of the whole color of the existing primary information layer, and then drawing the latest direction data on a corresponding position, wherein the chromaticity of the whole color of the existing primary information layer is the same as the background color.
Optionally, in some embodiments, generating a point navigation information layer according to the converted point navigation data information specifically includes:
and generating a point navigation information layer according to the point navigation position and the target type of the converted point navigation data information.
Optionally, in some embodiments, the preset layer overlapping rule is that the dot navigation information layer, the background information layer, the primary information layer, and the geographical map layer are sequentially overlapped according to the order.
A specific example will be described below.
First step radar display control software initialization
In the process of initializing the radar display control software, a default geographical map layer and a default background information layer can be generated according to information such as a position set by a radar, a PPI display range and the like, and at the moment, because the radar display control software has no navigation information and radar primary information, only the geographical map layer and the background information layer are displayed in a superposition mode.
Second step, radar primary information and point navigation information recording data reading
And loading pre-recorded radar primary information and point navigation data information data files by a third-party executable program, and sending the data files to radar display control software at certain time intervals through a UDP (user Datagram protocol).
Third step of data reception
And receiving the radar primary information and point navigation information data message generated and sent by the third-party executable program through a data receiving module. And after receiving and carrying out data validity detection, the data receiving module forwards the data to the radar primary information data management module.
The fourth step is data conversion, storage and management
And the radar primary information data management module receives the radar primary information data forwarded by the data receiving module, converts the radar primary information data into an internal storage result according to the data message format, and stores and manages the radar primary information data. And sending a data updating signal to the radar primary information layer module.
Fifthly, generating primary radar information layers
And after the primary radar information layer module receives the data updating signal of the primary radar information data management module, updating the primary radar information layer. And after the picture is generated, sending the picture data to the layer superposition module.
Sixth step of dot navigation information layer generation
And the point navigation information layer module generates a point navigation information layer according to the received radar point navigation data. And after the picture is generated, sending the picture data to the layer superposition module.
The seventh step of layer fusion
And according to a set layer superposition principle, superposing and fusing the layer pictures generated in the previous step, wherein under the condition that information such as a radar position, PPI display parameters and the like is not changed, a geographical map layer and a background information layer do not need to be updated, and historical pictures are directly utilized for superposition. And sending the superposed fusion graph data to a fusion graph display module.
Eighth step fused picture display
The fusion image display module stores a picture for display, and the picture is displayed by the display periodically through the timer. And after the fused graph display module receives the fused graph data sent by the graph layer superposition module, the newly received picture data is substituted for the picture stored in the original memory, and the new picture is refreshed and displayed on the display after the triggering of the timing refreshing signal.
Therefore, the radar primary information display method based on the QImage is realized.
It is understood that some or all of the alternative embodiments described above may be included in some embodiments.
As shown in fig. 2, a structural frame diagram is provided for an embodiment of a radar primary information display system of the present invention, and the display system includes:
the geographic map layer generation module 1 is used for generating a geographic map layer according to a position set by a radar;
the background information layer generating module 2 is used for generating a background information layer according to the PPI display range information;
the acquisition module 3 is used for acquiring primary radar information and navigation data information;
the conversion module 4 is used for converting the radar primary information and the navigation data information into a preset format;
the primary information layer generating module 5 is configured to generate a primary information layer according to the converted radar primary information;
the point navigation information layer generating module 6 is used for generating a point navigation information layer according to the converted point navigation data information;
and the display module 7 is used for displaying the geographical map layer, the background information layer, the primary information layer and the navigation information layer in a superposed manner according to a preset layer superposition rule.
Optionally, in some embodiments, generating a geographic map layer according to a position set by the radar specifically includes:
and acquiring a polar coordinate geographical map picture of the position set by the radar through a third-party dynamic link library.
Optionally, in some embodiments, generating a background information layer according to the PPI explicit range information specifically includes:
and generating a background information layer according to the direction line, the distance ring and the corresponding scale information required by the PPI display.
Optionally, in some embodiments, generating a primary information layer according to the converted primary radar information specifically includes:
and generating a primary information layer according to the converted corresponding data of the primary radar information and the three-dimensional position information of the azimuth, the pitch and the distance.
Optionally, in some embodiments, the generating a primary information layer according to the converted data corresponding to the radar primary information and the three-dimensional position information of the azimuth, the pitch, and the distance specifically includes:
and after receiving the radar primary information data of a new direction, firstly improving the chromaticity of the whole color of the existing primary information layer, and then drawing the latest direction data on a corresponding position, wherein the chromaticity of the whole color of the existing primary information layer is the same as the background color.
Optionally, in some embodiments, generating a point navigation information layer according to the converted point navigation data information specifically includes:
and generating a point navigation information layer according to the point navigation position and the target type of the converted point navigation data information.
Optionally, in some embodiments, the preset layer overlapping rule is that the dot navigation information layer, the background information layer, the primary information layer, and the geographical map layer are sequentially overlapped according to the order.
It is understood that some or all of the alternative embodiments described above may be included in some embodiments.
It should be noted that the above embodiments are product embodiments corresponding to the previous method embodiments, and for the description of each optional implementation in the product embodiments, reference may be made to corresponding descriptions in the above method embodiments, and details are not described here again.
In another embodiment of the present invention, there is provided a storage medium having instructions stored therein, wherein when the instructions are read by a computer, the computer is caused to execute the radar primary information display method according to any of the above embodiments.
In another embodiment of the present invention, there is also provided a radar primary information display apparatus including:
a memory for storing a computer program;
a processor for executing a computer program to implement the radar one-time information display method according to any of the above embodiments.
The reader should understand that in the description of this specification, reference to the description of the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
In the several embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the above-described method embodiments are merely illustrative, and for example, the division of steps into only one logical functional division may be implemented in practice in another way, for example, multiple steps may be combined or integrated into another step, or some features may be omitted, or not implemented.
The above method, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention essentially or partially contributes to the prior art, or all or part of the technical solution can be embodied in the form of a software product stored in a storage medium and including instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-only memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
While the invention has been described with reference to specific embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A radar primary information display method is characterized by comprising the following steps:
generating a geographic map layer according to a position set by a radar, and generating a background information layer according to PPI display range information;
acquiring primary radar information and point navigation data information, and converting the primary radar information and the point navigation data information into a preset format;
generating a primary information layer according to the converted primary radar information, and generating a point navigation information layer according to the converted point navigation data information;
and according to a preset layer superposition rule, superposing and displaying the geographical map layer, the background information layer, the primary information layer and the point navigation information layer.
2. The radar primary information display method according to claim 1, wherein generating a geographical map layer according to a position set by a radar specifically includes:
and acquiring a polar coordinate geographical map picture of the position set by the radar through a third-party dynamic link library.
3. The radar one-time information display method according to claim 1, wherein generating a background information layer according to the PPI display range information specifically includes:
and generating a background information layer according to the direction line, the distance ring and the corresponding scale information required by the PPI display.
4. The method for displaying radar primary information according to claim 1, wherein generating a primary information layer according to the converted radar primary information specifically includes:
and generating a primary information layer according to the converted corresponding data of the primary radar information and the three-dimensional position information of the azimuth, the pitch and the distance.
5. The method for displaying radar primary information according to claim 1, wherein a primary information layer is generated according to the converted corresponding data of the radar primary information and three-dimensional position information of azimuth, elevation and distance, and specifically includes:
and after receiving the radar primary information data of a new direction, firstly improving the chromaticity of the whole color of the existing primary information layer, and then drawing the latest direction data on a corresponding position, wherein the chromaticity of the whole color of the existing primary information layer is the same as the background color.
6. The radar primary information display method according to claim 1, wherein generating a point navigation information layer according to the converted point navigation data information specifically comprises:
and generating a point navigation information layer according to the point navigation position and the target type of the converted point navigation data information.
7. The radar primary information display method according to any one of claims 1 to 6, wherein a preset layer superposition rule is that a point navigation information layer, a background information layer, a primary information layer, and a geographical map layer are sequentially superposed.
8. A radar primary information display system, comprising:
the geographic map layer generating module is used for generating a geographic map layer according to the position set by the radar;
the background information layer generating module is used for generating a background information layer according to the PPI display range information;
the acquisition module is used for acquiring primary radar information and navigation data information;
the conversion module is used for converting the radar primary information and the point navigation data information into a preset format;
the primary information layer generating module is used for generating a primary information layer according to the converted radar primary information;
the point navigation information layer generating module is used for generating a point navigation information layer according to the converted point navigation data information;
and the display module is used for displaying the geographical map layer, the background information layer, the primary information layer and the point navigation information layer in a superposed manner according to a preset layer superposition rule.
9. A storage medium having stored therein instructions that, when read by a computer, cause the computer to execute the radar primary information display method according to any one of claims 1 to 7.
10. A radar primary information display device, comprising:
a memory for storing a computer program;
a processor for executing the computer program to implement the radar primary information display method according to any one of claims 1 to 7.
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