CN107219504B - Data recording device for radar system - Google Patents
Data recording device for radar system Download PDFInfo
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- CN107219504B CN107219504B CN201710343603.5A CN201710343603A CN107219504B CN 107219504 B CN107219504 B CN 107219504B CN 201710343603 A CN201710343603 A CN 201710343603A CN 107219504 B CN107219504 B CN 107219504B
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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
Abstract
The invention relates to a data recording device of a radar system, which comprises a network data communication interface, a trace point detection unit and a recorded data processing unit, wherein the network data communication interface is respectively and electrically connected with the trace point detection unit and the recorded data processing unit; the recorded data processing unit comprises a target track reading preprocessing module, a track counting and track correlation module, a track quality management module, a track filtering prediction module, a maneuvering target tracking module, a track starting module and a track data file management module; the invention can adapt to multi-target and complex air condition environment and can quickly and accurately realize data acquisition of the radar system.
Description
Technical Field
The invention relates to the technical field of radar early warning, in particular to a data recording device of a radar system.
Background
At present, all data recording devices of existing radar systems are embedded systems, and the embedded system (embedded system) refers to a special computer system which is completely embedded inside a controlled device and designed for specific applications, and the embedded system is a control, monitoring or auxiliary device, a machine or a device for factory operation; embedded systems typically perform predefined tasks with specific requirements; the core of the embedded system is composed of one or more microprocessors or single-chip microcomputers which are programmed in advance and used for executing a few tasks; because the embedded system only aims at a special task, a designer can optimize the embedded system, the size is reduced, and the cost is reduced; the power consumption is low, and the stability is good; however, for a data recording device of a radar system, the defects are very obvious, and the data recording device is mainly embodied in that the functions are limited to be expanded according to different working conditions, the development and maintenance difficulty is high, and the like; therefore, the existing data recording device of the radar system adopting the embedded system design is limited by the self multi-function expansibility, cannot adapt to multi-target and complex air condition environments, and cannot realize the data recording of the system quickly and accurately.
Disclosure of Invention
The invention aims to provide a data recording device of a radar system, which aims to solve the technical problems that the data recording device cannot adapt to multi-target and complex air condition environments and cannot realize the data recording of the system quickly and accurately in the prior art.
The invention provides a data recording device of a radar system, which comprises a network data communication interface, a trace point detection unit and a recorded data processing unit, wherein the network data communication interface is respectively and electrically connected with the trace point detection unit and the recorded data processing unit;
the recorded data processing unit comprises a target track reading preprocessing module, a track point and track related module, a track quality management module, a track filtering prediction module, a maneuvering target tracking module, a track starting module and a track data file management module, wherein the target track point reading preprocessing module is connected with the track point detection unit, the track point and track related module is connected with the target track point reading preprocessing module, and the track point and track related module, the track quality management module, the track filtering prediction module, the maneuvering target tracking module, the track starting module and the track data file management module are all connected with the network data communication interface.
Further, the trace point detection unit comprises a trace point detection result reading module and a trace point detection library storage module which are connected with each other, the trace point detection library storage module is connected with the target trace point reading preprocessing module, and the trace point detection result reading module is connected with the network data communication interface.
Furthermore, the recorded data processing unit also comprises a batch number management module and a track canceling module, and the batch number management module and the track canceling module are both connected with the network data communication interface.
Furthermore, the recorded data processing unit further comprises a data fusion module, and the data fusion module is connected with the network data communication interface.
Further, the recorded data processing unit further comprises an area setting module, and the area setting module is connected with the maneuvering tracking module.
Further, the network data communication interface comprises a video data receiving and processing module, a network communication command processing module and a multicast command receiving and processing module;
the video data receiving and processing module is connected with a detection video acquisition device of the radar system, and the network communication command processing module and the multicast command receiving and processing module are respectively connected with an upper computer of the radar system.
Further, the system also comprises a printing signal processing module and a code sound signal processing module; the printing signal processing module and the code sound signal processing module are respectively and electrically connected with the recorded data processing unit.
Further, the lightning protection device also comprises a lightning protection module which is electrically connected with the recording data processing unit.
Compared with the prior art, the data recording device of the radar system provided by the invention has the following advantages:
the system is suitable for the environmental requirements of quickly and accurately recording targets and accessing radar information to the network under the environment of multiple targets and complex air conditions, can provide high-resolution air condition display, and can clearly and stably display video data and the like of a radar system; the device has real-time signal processing and track following processing functions. In addition, under the strong ground clutter environment, a full-airspace or a partitioned area can manually, semi-automatically or fully automatically take in a plurality of batches of targets, and radar data is automatically processed and reported. Because the self-adaptive cancellation of the large-capacity dynamic clutter map is adopted, the fixed clutter is effectively suppressed. The workload of a radar operator can be reduced, and the working environment of the radar operator is obviously improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic circuit diagram (block diagram) of a data recording apparatus of a radar system according to an embodiment of the present invention;
fig. 2 is a schematic circuit connection diagram (block diagram) of a data recording device of the radar system according to another embodiment of the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1, the data admission device of a radar system provided by the present invention includes a network data communication interface, a trace point detection unit, and an admission data processing unit, where the network data communication interface is electrically connected to the trace point detection unit and the admission data processing unit, respectively, and the trace point detection unit is electrically connected to the admission data processing unit;
the recorded data processing unit comprises a target track reading preprocessing module, a track point and track related module, a track quality management module, a track filtering prediction module, a maneuvering target tracking module, a track starting module and a track data file management module, wherein the target track point reading preprocessing module is connected with the track point detection unit, the track point and track related module is connected with the target track point reading preprocessing module, and the track point and track related module, the track quality management module, the track filtering prediction module, the maneuvering target tracking module, the track starting module and the track data file management module are all connected with the network data communication interface. In this embodiment, the maneuvering target tracking module included in the recording data processing unit adaptively adjusts kalman filter parameters to change the filter bandwidth through maneuvering target tracking detection, so as to meet the requirement of tracking a maneuvering target. And missed detection and false alarm caused by maneuvering are avoided. Moreover, the maneuvering target tracking module can realize various target tracking modes such as automatic recording, semi-automatic recording, manual recording, area control recording and the like according to different parameter settings, is suitable for the environment requirements of quickly and accurately recording targets and radar information access to the network under the environment of multiple targets and complex air conditions, can provide high-resolution air condition display, and can clearly and stably display video data and the like of a radar system; the device has real-time signal processing and track following processing functions.
In this embodiment, the trace point detection unit includes a trace point detection result reading module and a trace point detection library storage module, which are connected to each other, the trace point detection library storage module is connected to the target trace point reading preprocessing module, and the trace point detection result reading module is connected to the network data communication interface.
Referring to fig. 2, in the data recording device of a radar system according to another embodiment of the present invention, the recorded data processing unit further includes a batch number management module and a track canceling module, and both the batch number management module and the track canceling module are connected to the network data communication interface.
As shown in fig. 2, in the data recording device of the radar system according to the embodiment of the present invention, the recorded data processing unit further includes an area setting module, and the area setting module is connected to the maneuvering target tracking module. The region setting module is used for carrying out regional setting on the alert airspace according to different radar environments, for example, setting manual, semi-automatic and automatic tracking regions, a track recording waveband, a recording threshold and the like, so that a high-performance tracking mode is provided.
In this embodiment, the target trace reading preprocessing module: the method mainly comprises the steps of reading the trace points detected by the GPU from a trace point detection library, and carrying out relevant preprocessing such as storage, sequencing and the like on the read trace points.
In this embodiment, the track-point and track-related module correlates the recorded target track with a predicted value, and filters clutter recording real parameters according to clutter region setting.
In this embodiment, the track filtering prediction module performs smoothing and prediction on the target by using the tracking filter α - β - γ filter to minimize the minimum mean square error achieved by tracking, thereby obtaining a high-precision position estimate.
In this embodiment, the track quality management module performs adaptive adjustment of the track related parameters by evaluating the target track quality, so as to reduce false alarm and combat clutter interference on the basis of ensuring the probability of discovery.
In this embodiment, the track initiation module establishes a track file for the echo points satisfying a certain criterion by detecting the target in the relevant area for multiple times, assigns a formal track number, and gives the operator track parameters.
In this embodiment, the track data file management module is configured to give a track number when a track is created. The track number provides all the parameters related to the given track, and a pointer system is formed according to the position of the sector where the track number is located, so that a file system for managing the track is established.
In this embodiment, the batch number management module: the functions of new batching, batch combination, batching, batch change, batch skip, point supplement, batch deletion, area change and the like are completed through the operation on the flight path file.
In this embodiment, the track canceling module: it is the tracks that in several scans, the target is not updated, these tracks will be undone, and their track files are deleted by operating on the track file system.
In this embodiment, as shown in fig. 2, the recorded data processing unit further includes a data fusion module, and the data fusion module is connected to the network data communication interface. The data fusion module in this embodiment performs relevant fusion on the radar data and other civil and military radar data in the same base or different bases. The accurate target position is estimated by weighting and calculating parameters sent by different radars. So as to meet the requirement of improving the overall tracking performance under the complex electromagnetic environment. The function is one of the key functions of the radar network in the modern electronic warfare and under the environment of radar networking.
In this embodiment, the recorded data processing unit further includes an area setting module, and the area setting module is connected to the maneuvering following module.
In this embodiment, as shown in fig. 2, the network data communication interface includes a video data receiving and processing module, a network communication command processing module, and a multicast command receiving and processing module;
the video data receiving and processing module is connected with a detection video acquisition device of the radar system, and the network communication command processing module and the multicast command receiving and processing module are respectively connected with an upper computer of the radar system.
In this embodiment, the network data communication interface in the data recording device of the radar system is mainly responsible for processing, receiving, and sending information of the display panel i, the display panel ii, and the interface board of the radar system, and performing corresponding processing on the received information.
In this embodiment, the data recording device of the radar system further includes a print signal processing module and a code sound signal processing module; the printing signal processing module and the code sound signal processing module are respectively and electrically connected with the recorded data processing unit.
In this embodiment, the data recording apparatus of the radar system further includes a code sound module; the code sound module is internally provided with a code sound device, the volume and the speed of the code sound device are adjustable, and the code sound device is used for automatically broadcasting the target azimuth signal of the target object in a code sound signal mode; the code sound module can adjust the format and the interval of the code sound signals and whether a certain batch of targets broadcast the code sound. And the code sound signal processing unit is used for editing code sound data into code sound signals and sending the code sound signals to a code sound module of the radar system.
In this embodiment, the data recording device of the radar system further includes a print signal processing module, where the print signal processing module is configured to output a print signal to an external printing device.
In this embodiment, the data recording device of the radar system further includes a lightning protection module, and the lightning protection module is electrically connected to the recording data processing unit. In this embodiment, the data recording device of the radar system further includes a lightning protection module electrically connected to the recording data processing unit to precisely protect the data recording device of the radar system from lightning strikes.
It should be noted that each individual unit or module in the present embodiment is a very mature product. The implementation method of each independent unit or module can be implemented by using the prior art, and the present invention is not limited in this respect.
The data recording device of the radar system adapts to the environmental requirements of quickly and accurately recording targets and radar information access network under the environment of multiple targets and complex air conditions, can provide high-resolution air condition display, and can clearly and stably display video data and the like of the radar system; the device has real-time signal processing and track following processing functions. In addition, under the strong ground clutter environment, a full-airspace or a partitioned area can manually, semi-automatically or fully automatically take in a plurality of batches of targets, and radar data is automatically processed and reported. Because the self-adaptive cancellation of the large-capacity dynamic clutter map is adopted, the fixed clutter is effectively suppressed. The work burden of a radar operator can be reduced, the working environment of the radar operator is obviously improved, and the fighting capacity of an army is improved.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (8)
1. A data admission device of a radar system is characterized by comprising a network data communication interface, a trace point detection unit and an admission data processing unit, wherein the network data communication interface is respectively and electrically connected with the trace point detection unit and the admission data processing unit;
the recorded data processing unit comprises a target track reading preprocessing module, a track point and track related module, a track quality management module, a track filtering prediction module, a maneuvering target tracking module, a track starting module and a track data file management module, wherein the target track point reading preprocessing module is connected with the track point detection unit, the track point and track related module is connected with the target track point reading preprocessing module, and the track point and track related module, the track quality management module, the track filtering prediction module, the maneuvering target tracking module, the track starting module and the track data file management module are all connected with the network data communication interface;
the target trace reading preprocessing module is used for reading the detected trace points from the trace point detection library, and storing and sorting the read trace points;
the point track and track correlation module is used for correlating the read point track with a predicted value and setting and filtering clutter according to a clutter area;
the flight path quality management module is used for adaptively adjusting flight path related parameters so as to reduce false alarm and resist clutter interference on the basis of ensuring the discovery probability;
the track filtering prediction module is used for smoothing and predicting a target by utilizing a tracking filter alpha-beta-gamma filter so as to minimize the minimum mean square error achieved by tracking;
the maneuvering target tracking module is used for maneuvering target tracking detection, adaptively adjusting Kalman filter parameters to change the bandwidth of the filter, realizing the tracking of a maneuvering target, and realizing an automatic target recording tracking mode, a semi-automatic target recording tracking mode, a manual target recording tracking mode or a regional control target recording tracking mode according to different parameter settings.
2. The data recording device of the radar system as claimed in claim 1, wherein the trace point detection unit comprises a trace point detection result reading module and a trace point detection library storage module, the trace point detection library storage module is connected to the target trace point reading preprocessing module, and the trace point detection result reading module is connected to the network data communication interface.
3. The data recording device of the radar system according to claim 2, wherein the recording data processing unit further includes a lot number management module and a track canceling module, and both the lot number management module and the track canceling module are connected to the network data communication interface.
4. The data recording device of the radar system according to claim 3, wherein the recording data processing unit further comprises a data fusion module, and the data fusion module is connected to the network data communication interface.
5. The data acquisition device of a radar system according to claim 4, wherein said acquisition data processing unit further comprises a region setting module, said region setting module being connected to said maneuvering target tracking module.
6. The data recording device of the radar system according to claim 5, wherein the network data communication interface includes a video data reception processing module, a network communication command processing module, and a multicast command reception processing module;
the video data receiving and processing module is connected with a detection video acquisition device of the radar system, and the network communication command processing module and the multicast command receiving and processing module are respectively connected with an upper computer of the radar system.
7. The data recording apparatus for radar system according to claim 6, further comprising a print signal processing module and a code sound signal processing module; the printing signal processing module and the code sound signal processing module are respectively and electrically connected with the recorded data processing unit.
8. The data logging device of a radar system of claim 7 further comprising a lightning protection module electrically connected to the logging data processing unit.
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| CN108491493B (en) * | 2018-03-16 | 2021-10-08 | 西安电子科技大学 | Radar air condition data filtering method |
| CN110940971B (en) * | 2019-11-06 | 2022-05-31 | 四川川大智胜软件股份有限公司 | Radar target point trace recording method and device and storage medium |
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| CN106507960B (en) * | 2010-11-12 | 2014-06-11 | 上海航天测控通信研究所 | A kind of radar target builds boat tracks of device |
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