CN102542113B - Universal radar simulation system and simulation application method therefor - Google Patents
Universal radar simulation system and simulation application method therefor Download PDFInfo
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Abstract
The invention discloses a universal radar simulation system and a simulation application method therefor. The radar simulation system comprises a hierarchical radar simulation component model library, radar simulation component interface specification, radar simulation component metadata, and a universal simulation model library subsystem, wherein the hierarchical radar simulation component model library sequentially comprises a system complete machine model layer, a radar tactical use layer, a radar detection area layer, a simulation granularity layer, a subsystem model layer, a target model layer, a sub model layer and a simulation component model layer from the top to the bottom. The invention facilitates classified storage, inquiry and repeated use of the radar simulation component model, and can provide technical reference and study reference for the systematic construction of the public simulation model in China.
Description
Technical field
The present invention relates to the radar simulation field, refer in particular to a kind of general radar simulator system and Simulation Application method thereof.
Background technology
Simulation component model is the core asset of supporting whole simulating developer activity, and experiment shows: emulation component only has quantitatively to reach a certain scale and could really meet the system development requirement of component reusing technology and component-based.Simulation component model is the basis of analogue simulation, there is no high-quality realistic model as support, carries out efficient system emulation and will become an empty verbiage.Meanwhile, along with the continuous expansion of radar simulator system scale and deepening continuously to radar simulation research, the object of system simulation is more and more, that simulation component model has also presented is of a great variety, the trend of storage isomery, the reusing of radar simulation component model, manages and the maintenance complex that seems.
The Generic Radar Simulation System is to set up, store, apply, administer and maintain the computer software of radar simulation component model and related resource thereof with a kind of form of standard, being the important shared resource in emulation, is the important channel of improving the realistic model reusability.Along with the continuous expansion of following simulation scale, model-base management system will become important component part indispensable in analogue system.
The present invention is by carrying out deep analysis and highly abstract to radar simulator system, research and design radar simulation component interface standard and metadata thereof, build the radar simulation component model storehouse of stratification, make the unified encapsulation of all radar simulation component models, unified description, unified storage and management, for the management that promotes the radar simulation component model, inquire about and reuse, realize effective management of emulation project, the efficiency that improves modelling and realization has great importance.
Summary of the invention
Lack of standardization in order to overcome existing radar simulator system structure, the problem that Component Reuse is not strong, the invention provides a kind of new the Generic Radar Simulation System, by the definition stratification model base structure, normalized emulation component interface and metadata thereof, with this promote the radar simulation assembly management, inquire about and reuse.
According to an aspect of the present invention, the present invention proposes a kind of general radar simulator system, it is characterized in that, this system comprises radar simulation component model storehouse, radar simulation component interface standard, radar simulation component metadata data and the Universal Simulation Model storehouse subsystem of stratification, the radar simulation component model storehouse of described stratification is top-down to be comprised successively: system whole machine model layer, radar tactics purposes layer, radar detection area layer, emulation granularity layers, subsystem model layer, object model layer, submodel layer and simulation component model layer, wherein
Described system whole machine model layer comprises can independent operating or the grade simulated model of radar system of dynamic call;
Described radar tactics purposes layer, for describing gadget in tactical main application, it comprises surveillance radar, search radar, tracking radar, fire control radar and guidance radar;
Described radar detection area layer, for describing antenna irradiation and the search coverage of gadget when working, it comprises to dummy section, to sea region, sky is held concurrently to sea region;
Described emulation granularity layers, for describing the model granularity of radar simulation application system when carrying out emulation, it comprises, and campaign is grade simulated, task level emulation, belligerent grade simulated and engineering grade emulation;
Described subsystem model layer, for describing the function of radar simulation application system, it comprises target and environmental characteristics model subsystem, gadget model subsystem and assessment models subsystem;
Object model in described object model layer is to take the agenda interactive unit that radar simulation application system task space object sets up as entity;
Submodel in described submodel layer is for the radar mockup parts of realizing that specific function or action are set up;
Emulation component submodel in described emulation component submodel layer refers to phenomenon, process or emic mathematics or the logical relation with Standard Interface, has reusability and interoperability widely;
A plurality of general radar simulation component models of storage in the subsystem of described Universal Simulation Model storehouse;
By the radar simulation assembly in described radar simulation component metadata data selection described radar simulation component model storehouse and Universal Simulation Model storehouse subsystem, build the radar simulation assembly do not had in described radar simulation component model storehouse, adopt described radar simulation component interface standard to be encapsulated the radar simulation assembly of new structure, according to composition and the information flow of radar simulation application system, assemble each radar simulation assembly generation radar simulation application system.
According to a further aspect in the invention, the present invention also proposes a kind of radar simulation method based on described general radar simulator system, it is characterized in that, the method comprises the following steps:
Step 1, determine the needed radar simulation component model of radar simulation application system;
Step 2 is from top to bottom inquired about needed radar simulation component model by layer according to radar simulation component metadata data in described radar simulation component model storehouse and Universal Simulation Model storehouse subsystem;
Step 3, judge whether to inquire needed radar simulation component model, if do not inquire, turns to step 4; Otherwise, turn to step 9;
Step 4, require and interface definition according to the functional performance of radar simulation assembly, creates DLL component software functional entity;
Step 5, carry out standardized packages according to radar simulation component interface standard to the component software functional entity created in step 4, obtains new radar simulation assembly;
Step 6, carry out model debugging to radar simulation assembly new in step 5, until, smoothly by model checking work, produce the new radar simulation assembly through verification;
Step 7, add the radar simulation model bank by the new radar simulation assembly through verification in step 6;
Step 8: return to step 2;
Step 9, join the radar simulation assembly inquired in the radar simulation application system;
Step 10, judge whether to obtain needed whole radar simulation assembly, if do not have, turns to step 2; Otherwise, turn to step 11;
Step 11, build the radar simulation application system according to the radar simulation assembly obtained, and finishes emulation.
From above technical scheme, the present invention is by the research of the Generic Radar Simulation System and Simulation Application method thereof, promoted the radar simulation component model management, inquire about and reuse, improved the efficiency of radar simulation application and development.
The accompanying drawing explanation
Fig. 1 is that the stratification of radar simulation model bank forms structural drawing.
Fig. 2 is the schematic diagram of radar simulation component interface standard.
Fig. 3 is the XML model structure chart of radar simulation component metadata data.
Fig. 4 is based on the Simulation Application method flow diagram of the Generic Radar Simulation System.
Fig. 5 is radar signal digital pulse compression system theory diagram.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, below in conjunction with specific embodiment, and, with reference to accompanying drawing, the present invention is described in more detail.
The present invention proposes a kind of general radar simulator system, it comprises the radar simulation component model storehouse of stratification, radar simulation component interface standard, radar simulation component metadata data and Universal Simulation Model storehouse subsystem, by the radar simulation assembly in radar simulation component metadata data selection radar simulation component model storehouse and Universal Simulation Model storehouse subsystem, build the radar simulation assembly do not had in radar simulation component model storehouse, and adopt radar simulation component interface standard to be encapsulated the radar simulation assembly of new structure, assemble each radar simulation assembly according to radar simulation application system composition and information flow and finally generate the radar simulation application system.
One, the radar simulation model-base management system of stratification
For radar simulation component model storehouse, there is no need to design a large assemblies storehouse very huge, that function is very complicated in the current generation, and should be conceived to build one flexibly, standard, miniradar simulation component model storehouse that extensibility is strong.
In the present invention, radar simulation component model storehouse adopts the method for stratification to build and describes, and each level inside has stronger dirigibility and extensibility, and has stronger standardization and independence between level.Fig. 1 is that the stratification in radar simulation component model storehouse forms structural drawing.As shown in Figure 1, top-down being followed successively by radar simulation component model of the present invention storehouse: system whole machine model layer, radar tactics purposes layer, radar detection area layer, emulation granularity layers, subsystem model layer, object model layer, submodel layer and simulation component model layer.
1, system whole machine model layer.The system whole machine model is can independent operating or the grade simulated model of radar system of dynamic call, has reflected the aspect of model of whole radar system, as DLL, com component or the EXE Softwares of System Simulation of capable of dynamic operation.After the standard that employing meets the HLA standard is encapsulated, can form federation (member) model of standard, be supported in the Simulation Application on large-scale distributed platform.Wherein, federal (member) model be a plurality of system models by Interoperability Mechanism, provide and serve and accept the service that other system model provides and the complex model of realizing is the standardization simulation object model of HLA distributed emulation to other system model.
2, radar tactics purposes layer.This layer take gadget in tactical main application as basic according to carrying out category of model.Typically, radar can be divided into by the tactics purposes: surveillance radar, search radar, tracking radar, fire control radar and guidance radar.
3, radar detection area layer.This layer be take gadget and carried out category of model in the antenna irradiation in when work and search coverage for foundation substantially.Typically, radar can be divided into by search coverage: to dummy section, to sea region, hold concurrently to sea region to sky etc.
4, emulation granularity layers.This layer take the model granularity of radar simulation application system when carrying out emulation as basic according to carrying out category of model.Typically, radar can be divided into by the emulation granularity: campaign is grade simulated, task level emulation, (functional level) emulation of belligerent level and engineering grade (signal level) emulation.
5, subsystem model layer.The subsystem model adopts abstract method and normalized classification foundation substantially to divide the function of radar simulation application system, is the necessary element of composition system whole machine model.Radar system can be divided into by the subsystem model: target and environmental characteristics model subsystem, gadget model subsystem and assessment models subsystem.
6, object model layer.Object model is to take the agenda interactive unit that radar simulation application system task space object is that entity is set up, and supports the establishment of subsystem model.As forming, the object model of target and environmental characteristics model subsystem has: target property object model, environmental characteristics object model, noise signal object model and undesired signal object model; The object model of gadget model subsystem is: the gadget object model; The object model of assessment models subsystem is: radar mockup verification object model, radar performance evaluation target model and radar situation show object model.
7, submodel layer.Submodel is for the radar mockup parts of realizing that specific function or action are set up, the establishment of support target model.The submodel composition of equipping object model as radar has: antenna submodel, transmitter submodel, receiver submodel, signal processor submodel and data processor submodel.The submodel of radar performance evaluation target model has: detect performance submodel, measuring accuracy submodel, antijamming capability submodel and tracking power submodel etc.
8, emulation component submodel layer.The emulation component submodel refers to phenomenon, process or emic mathematics or the logical relation with Standard Interface, has reusability and interoperability widely, participates in creating the submodel example.As forming, the simulation component model of antenna submodel has: antenna radiation pattern emulation component, sidelobe blanking emulation component; The simulation component model of transmitter submodel forms to be had: emulation component transmits; The simulation component model of receiver submodel forms to be had: echo generates emulation component, system noise emulation component, near area gain control emulation component, coherent detection emulation component, anti-interference emulation component etc.; The simulation component model of signal processor submodel forms to be had: counter-jamming emulation component, Doppler effect correction emulation component, pulse compression emulation component, secondary lobe blanking emulation component, moving-target show that (MTI) emulation component, moving-target detect (MTD) emulation component, CFAR emulation component, detecting device emulation component, clutter map processing emulation component, ambiguity solution emulation component and some mark and extract emulation component etc.; The simulation component model of data processor submodel forms to be had: track association emulation component, track filtering emulation component, flight path management emulation component etc.
In addition, radar simulator system of the present invention also comprises a Universal Simulation Model storehouse subsystem, and described Universal Simulation Model storehouse subsystem stores the general radar simulation component models such as conjugator, FFT Fourier transform generator, IFFT inverse Fourier transform generator, multiplier, chronotron, totalizer.
Two, radar simulation component interface standard
The radar simulation component model is the further encapsulation to the conventional software component model, the interface that interface specification has defined the radar simulation assembly forms and essential characteristic, make the emulation component of different user exploitation to be written into model-base management system with a kind of form of standard, and adopt standardized interface mechanism and other emulation component or simulated environment to carry out the mutual of information.
Fig. 2 has provided the interface specification of radar simulation assembly, specifically composed as follows:
1, port access interface.Port mainly comprises input port, output port and parameter initialization port.Input port has reflected that the get it right information in external world's (as other model) of model solution relies on, as the input data source; The service that output port provides model externally to provide, the result of resolving as model; The operation that the parameter initialization port is model provides initiation parameter.Emulation component at least has an input port or output port.The Data Update of input port is safeguarded by the upstream model, and is thought that Data Update has no time to postpone between two ports.When port upgrades, emulation component is inner, and the Data Update notice occurs, if simulation algorithm need to be by port data triggerings of more newly arriving, the place that will notify in Data Update so add the processing code.In addition, in emulation component inside, between twice renewal, the data of port are constant.Output port is when upgrading, and simulation engine is notified downstream model modification input port.
2, control interface.Emulation component must be realized all functions in control interface fully, as follows respectively:
(1) emulation component initialization function Initialize (): for initialization cache pool data, initialization radar simulator system;
(2) emulation component operation function StepOn (): completing radar simulation operational process and model and resolve work, call when each time stepping advances, is the Key Functions that supports the emulation component operation;
(3) emulation component operation suspension function Pause (): control emulation component when operation at the simulation step length operation suspension;
(4) emulation component function Stop out of service (): control emulation component out of service;
(5) the emulation component function Resume () that resumes operation: recover the emulation component of break-off, continue to start simulation run;
(6) emulation component system function Exit out of service (): the junk data produced in the cleaning simulation process, continue to start simulation run.
Wherein, emulation component operation function is the key of emulation component interface specification, and the function of emulation component realizes being unified in StepOn () function being called.
3, communication mode interface.Radar system is the dynamic interaction system of a complexity, and the control of internal exchange of data and information flow relates to communication, and emulation component is necessary for port and selects suitable communication pattern.According to pattern mutual between port, can be divided into: based on emulation component scheduling (schedule), based on Event triggered (event), based on communication patterns such as message transmission (message) and based on data flow transmission (dataflow).Communication pattern has stipulated to carry out between port the basic model of information interaction.Take the event communication pattern as example, and simulated events is by upstream emulation component or state machine input, and after receiving simulated events, emulation component need to judge its time stamp, and event opposition delay disposal is adjusted back or put into to trigger event at once.For outgoing event, after the downstream model is processed simulated events, the reflection that can receive simulated events;
4, simulation time management interface.Local simulation time is managed by Model Independent, in simulation run, simulation engine is as signal source unified time, the minimum simulation time of predicting next propelling according to current time and the model solution evaluation time of emulation component, and stipulate the simulation time step-length with this.The radar system data volume is large, information interaction is frequent, the time propulsion mode of suitable employing based on conservative time fixed step size, and emulation component can not independently advance simulation time, must advance and apply for to the simulation engine proposition time by circulation, and by realizing after the simulation engine approval.The mode that the time circulation advances is as follows: 1. the radar simulation component call time advances the application service to advance to the simulation engine request; 2. during conditions permit, simulation engine sends the message satisfied condition to the radar simulation assembly; 3. simulation engine calls the emulation component time propelling of call back function notice and is allowed to (when actual motion, consider the stability of simulation run, usually provide the simulation step length with lookahead); 4. all artificial activities that current step-length scope is relevant all finish, the radar simulation assembly starts next step time and advances application (the simulation time management interface may be in the mode of simulation engine service in background work, not necessarily the explicit interface form with emulation component exists, and in Fig. 2, with dotted line, identifies);
5, State-output interface.For the state of radar simulation assembly is offered to upper strata radar simulation assembly, in simulation algorithm, use.Simulation engine obtains the state of emulation component also can realize more efficient emulation dispatch.The non-emulation component of this interface must be realized interface (identifying with dotted line in Fig. 2);
6, debug wrong output interface.The radar simulation assembly, in operation and debug process, if application layer makes a mistake, can be undertaken by debugging wrong output interface.But clash state at simulation algorithm, when matching connection etc. are abnormal, need emulation component to take over and output abnormality information.The non-emulation component of this interface must be realized interface (identifying with dotted line in Fig. 2).
Three, radar simulation component metadata data
Radar simulation component metadata data, by definition standard, opening, element set flexibly, promote the inquiry of radar simulation assembly.Fig. 3 has provided the XML pattern stratification block diagram of radar simulation component metadata data, has described its element set system, composed as follows:
ID: radar simulation assembly ID, the built-in data type of ID.This ID numbering must be unique in whole model bank, as the metadata major key, is mainly used in the emulation component in resources bank is unified to sorting code number, is convenient to the inquiry of emulation component.
Component Name: text.Be mainly used in specifying the title of radar simulation assembly, necessary simple and clear, the refining of title, make the user pass through its basic semantic information of emulation component name energy Quick Catch.
Component type: enumerated data type.The component software type that is mainly used in specifying the behavior entity of emulation component to adopt, as DLL, COM, JAVABEAN etc.
Summary: text.Form with summary is carried out comprehensive description to the essential information of emulation component.
Keyword: text.Be mainly used in describing theme and the key technical feature of radar simulation assembly, separate with branch between keyword, and must provide the Chinese and English expression simultaneously.
Version number: text.Be mainly used in specifying the version number of radar simulation assembly.
Date: radar simulation assembly date and time information, Data type.The component of Data type is as follows:
Type: date classification type, enumerated data type.Specify the affiliated type of radar simulation assembly date and time information, as date created, date issued, modification date etc.
Time value: date value, the built-in data type of date.The value at exact date of type under the appointed day classification, prescribed form is: yyyy-mm-dd.
Level of confidentiality: radar simulation component safety class information, enumerated data type.Specify the level of confidentiality of radar simulation assembly, as open, secret, secret, top-secret etc.
Distribution restriction: radar simulation assembly distribution restricted information, text.Be mainly used in specifying the distribution restricted information of this radar simulation assembly to particular organization or individual, separate with branch between a plurality of distribution restrictions.
Below provide the method for based on aforementioned radar simulator system, carrying out the radar simulation application, as shown in Figure 4, the method comprises the following steps:
Step 1, determine the needed radar simulation component model of radar simulation application system;
Step 2 is from top to bottom inquired about needed radar simulation component model by layer according to radar simulation component metadata data in described radar simulation component model storehouse and Universal Simulation Model storehouse subsystem;
Radar simulation component metadata data are by the inquiry of definition standard, opening, the radar simulation of element set support flexibly component model.Radar simulation component metadata data comprise following daughter element: emulation component ID, component Name, component type, summary, keyword, version number, date, level of confidentiality, distribution restriction.
Described step 2 is further comprising the steps:
In tactical main application, in included surveillance radar, search radar, tracking radar, fire control radar and the guidance radar of the radar tactics purposes layer from radar simulation component model storehouse, select one of them according to gadget;
Antenna irradiation and search coverage according to gadget in when work, the radar detection area layer from radar simulation component model storehouse included to dummy section, to sea region, sky is held concurrently in sea region, selecting one of them;
Model granularity according to the radar simulation application system when carrying out emulation, the included campaign of the emulation granularity layers from radar simulation component model storehouse is grade simulated, select one of them in task level emulation, belligerent grade simulated and engineering grade emulation;
According to the function of radar simulation application system, in the target that the subsystem model layer from radar simulation component model storehouse is included and environmental characteristics model subsystem, gadget model subsystem and assessment models subsystem, select one of them;
According to the agenda of radar simulation application system task space object, in the included object model of the object model layer from radar simulation component model storehouse, select one of them;
The specific function that will realize according to the radar simulation application system or action, select one of them in the included submodel of the submodel layer from radar simulation component model storehouse;
According to the needed mathematics of radar simulation application system or logical relation, in the included emulation component submodel of the emulation component submodel layer from radar simulation component model storehouse, select one of them.
Wherein, the object model of target and environmental characteristics model subsystem comprises: target property object model, environmental characteristics object model, noise signal object model and undesired signal object model; The object model of gadget model subsystem comprises the gadget object model; The object model of assessment models subsystem comprises: radar mockup verification object model, radar performance evaluation target model and radar situation show object model.
The submodel of gadget object model comprises: antenna submodel, transmitter submodel, receiver submodel, signal processor submodel and data processor submodel; The submodel of radar performance evaluation target model comprises: detect performance submodel, measuring accuracy submodel, antijamming capability submodel and tracking power submodel.
The simulation component model of antenna submodel comprises: antenna radiation pattern emulation component, sidelobe blanking emulation component; The simulation component model of described transmitter submodel comprises the emulation component that transmits; The simulation component model of receiver submodel comprises: echo generates emulation component, system noise emulation component, near area gain control emulation component, coherent detection emulation component, anti-interference emulation component; The simulation component model of signal processor submodel comprises: counter-jamming emulation component, Doppler effect correction emulation component, pulse compression emulation component, secondary lobe blanking emulation component, moving-target show that emulation component, moving-target detection simulation assembly, CFAR emulation component, detecting device emulation component, clutter map processing emulation component, ambiguity solution emulation component and some mark extract emulation component; The simulation component model of data processor submodel comprises: track association emulation component, track filtering emulation component, flight path management emulation component.
In addition, Universal Simulation Model storehouse subsystem stores the general radar simulation component models such as conjugator, FFT Fourier transform generator, IFFT inverse Fourier transform generator, multiplier, chronotron.
Step 3, judge whether to inquire needed radar simulation component model, if do not inquire, turns to step 4; Otherwise, turn to step 9;
Step 4, require and interface definition according to the functional performance of radar simulation assembly, creates DLL component software functional entity;
Step 5, carry out standardized packages according to radar simulation component interface standard to the component software functional entity created in step 4, obtains new radar simulation assembly;
Step 6, carry out model debugging to radar simulation assembly new in step 5, until, smoothly by model checking work, produce the new radar simulation assembly through verification;
Step 7, add the radar simulation model bank by the new radar simulation assembly through verification in step 6;
Step 8: return to step 2;
Step 9, join the radar simulation assembly inquired in the radar simulation application system;
Step 10, judge whether to obtain needed whole radar simulation assembly, if do not have, turns to step 2; Otherwise, turn to step 11;
Step 11, build the radar simulation application system according to the radar simulation assembly obtained, and finishes emulation.
According in embodiment about the explanation of radar simulator system, below provide an example that builds radar signal digit pulse compression analogue system based on described the Generic Radar Simulation System.
As can be seen from Figure 5, this radar signal digital pulse compression system mainly is comprised of 8 class simulation component models:
1. LFM signal waveform generator; 2. show; 3. conjugator; 4. FFT Fourier transform generator; 5. IFFT inverse Fourier transform generator; 6. multiplier; 7. chronotron; 8. weighting function
Known according to the development process of radar simulation application system in Fig. 4:
1. simulation component model can be obtained from the Component Gallery that transmits, and 2. simulation component model can show storehouse and be obtained from situation; 3.～7. simulation component model can be obtained from the subsystem of Universal Simulation Model storehouse.
8. simulation component model temporarily can't obtain from existing simulation model library system, can be according to radar simulation component interface Specification Design weighting function storehouse, and build corresponding weighting function emulation component.
So far, all emulation components all obtain, just can assemble the needed Simulation Application system of user according to system composition and information flow.
Above-described specific embodiment; purpose of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the foregoing is only specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any modification of making, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a general radar simulator system, it is characterized in that, this system comprises radar simulation component model storehouse, radar simulation component interface standard, radar simulation component metadata data and the Universal Simulation Model storehouse subsystem of stratification, the radar simulation component model storehouse of described stratification is top-down to be comprised successively: system whole machine model layer, radar tactics purposes layer, radar detection area layer, emulation granularity layers, subsystem model layer, object model layer, submodel layer and simulation component model layer, wherein
Described system whole machine model layer comprises can independent operating or the grade simulated model of radar system of dynamic call;
Described radar tactics purposes layer, for describing gadget in tactical main application, it comprises surveillance radar, search radar, tracking radar, fire control radar and guidance radar;
Described radar detection area layer, for describing antenna irradiation and the search coverage of gadget when working, it comprises to dummy section, to sea region, sky is held concurrently to sea region;
Described emulation granularity layers, for describing the model granularity of radar simulation application system when carrying out emulation, it comprises, and campaign is grade simulated, task level emulation, belligerent grade simulated and engineering grade emulation;
Described subsystem model layer, for describing the function of radar simulation application system, it comprises target and environmental characteristics model subsystem, gadget model subsystem and assessment models subsystem, and the object model of described target and environmental characteristics model subsystem comprises: target property object model, environmental characteristics object model, noise signal object model and undesired signal object model; The object model of described gadget model subsystem comprises the gadget object model; The object model of described assessment models subsystem comprises: radar mockup verification object model, radar performance evaluation target model and radar situation show object model; The submodel of described gadget object model comprises: antenna submodel, transmitter submodel, receiver submodel, signal processor submodel and data processor submodel; The submodel of described radar performance evaluation target model comprises: detect performance submodel, measuring accuracy submodel, antijamming capability submodel and tracking power submodel; The simulation component model of described antenna submodel comprises: antenna radiation pattern emulation component, sidelobe blanking emulation component; The simulation component model of described transmitter submodel comprises the emulation component that transmits; The simulation component model of described receiver submodel comprises: echo generates emulation component, system noise emulation component, near area gain control emulation component, coherent detection emulation component, anti-interference emulation component; The simulation component model of described signal processor submodel comprises: counter-jamming emulation component, Doppler effect correction emulation component, pulse compression emulation component, secondary lobe blanking emulation component, moving-target show that emulation component, moving-target detection simulation assembly, CFAR emulation component, detecting device emulation component, clutter map processing emulation component, ambiguity solution emulation component and some mark extract emulation component; The simulation component model of described data processor submodel comprises: track association emulation component, track filtering emulation component, flight path management emulation component;
Object model in described object model layer is to take the agenda interactive unit that radar simulation application system task space object sets up as entity;
Submodel in described submodel layer is for the radar mockup parts of realizing that specific function or action are set up;
Emulation component submodel in described emulation component submodel layer refers to phenomenon, process or emic mathematics or the logical relation with Standard Interface, has reusability and interoperability widely;
A plurality of general radar simulation component models of storage in the subsystem of described Universal Simulation Model storehouse;
By the radar simulation assembly in described radar simulation component metadata data selection described radar simulation component model storehouse and Universal Simulation Model storehouse subsystem, build the radar simulation assembly do not had in described radar simulation component model storehouse, adopt described radar simulation component interface standard to be encapsulated the radar simulation assembly of new structure, according to composition and the information flow of radar simulation application system, assemble each radar simulation assembly generation radar simulation application system;
Described radar simulation component metadata data are by the inquiry of definition standard, opening, the radar simulation of element set support flexibly assembly; Described radar simulation component metadata data comprise following daughter element: emulation component ID, component Name, component type, summary, keyword, version number, date, level of confidentiality, distribution restriction;
Described radar simulation component interface standard comprises port access interface, control interface, communication mode interface, simulation time management interface, State-output interface, debugs wrong output interface, wherein,
Described port comprises input port, output port and parameter initialization port;
Described control interface comprises emulation component initialization function, emulation component operation function, emulation component operation suspension function, emulation component function out of service, emulation component resume operation function, emulation component system function out of service;
Described communication mode interface support is based on emulation component scheduling, based on Event triggered, communication pattern based on message transmission and based on data flow transmission;
Described simulation time management interface adopts the time propulsion mode based on conservative time fixed step size to carry out the management of simulation time, and described time propulsion mode further comprises:
1. the radar simulation component call time advances the application service to advance to the simulation engine request;
2. during conditions permit, simulation engine sends the message satisfied condition to the radar simulation assembly, provide the minimum simulation time of next propelling, and stipulate the simulation time step-length with this;
3. simulation engine notice radar simulation component hour advances and is allowed to;
When all artificial activities that 4. current step-length scope is relevant all finish, the radar simulation assembly starts next step time propelling application;
Described State-output interface is for offering upper strata radar simulation assembly by the state of radar simulation assembly;
The wrong output interface of described debugging is for exporting the radar simulation assembly in the abnormal information of moving and debug process occurs.
2. system according to claim 1, it is characterized in that, described radar simulation component interface normalized definition the interface of radar simulation assembly form and essential characteristic, make the emulation component of different user exploitation to be written into model bank with a kind of form of standard, and adopt standardized interface mechanism and other emulation component or simulated environment to carry out the mutual of information.
3. system according to claim 1, is characterized in that, described general radar simulation component model comprises conjugator, FFT Fourier transform generator, IFFT inverse Fourier transform generator, multiplier, chronotron, totalizer.
4. the radar simulation method based on general radar simulator system claimed in claim 1, is characterized in that, the method comprises the following steps:
Step 1, determine the needed radar simulation component model of radar simulation application system;
Step 2, from top to bottom inquire about needed radar simulation component model by layer according to radar simulation component metadata data in radar simulation component model storehouse and Universal Simulation Model storehouse subsystem, wherein, the composition structure that described radar simulation component model storehouse is stratification, top-down being followed successively by described radar simulation component model storehouse: system whole machine model layer, radar tactics purposes layer, radar detection area layer, emulation granularity layers, subsystem model layer, object model layer, submodel layer and simulation component model layer;
Step 3, judge whether to inquire needed radar simulation component model, if do not inquire, turns to step 4; Otherwise, turn to step 9;
Step 4, require and interface definition according to the functional performance of radar simulation assembly, creates DLL component software functional entity;
Step 5, carry out standardized packages according to radar simulation component interface standard to the component software functional entity created in step 4, obtains new radar simulation assembly;
Step 6, carry out model debugging to radar simulation assembly new in step 5, until, smoothly by model checking work, produce the new radar simulation assembly through verification;
Step 7, add the radar simulation model bank by the new radar simulation assembly through verification in step 6;
Step 8: return to step 2;
Step 9, join the radar simulation assembly inquired in the radar simulation application system;
Step 10, judge whether to obtain needed whole radar simulation assembly, if do not have, turns to step 2; Otherwise, turn to step 11;
Step 11, build the radar simulation application system according to the radar simulation assembly obtained, and finishes emulation.
5. method according to claim 4, is characterized in that, described radar simulation component metadata data are by the inquiry of definition standard, opening, the radar simulation of element set support flexibly component model; Described radar simulation component metadata data comprise following daughter element: emulation component ID, component Name, component type, summary, keyword, version number, date, level of confidentiality, distribution restriction.
6. method according to claim 4, is characterized in that, described step 2 further comprises:
In tactical main application, in included surveillance radar, search radar, tracking radar, fire control radar and the guidance radar of the radar tactics purposes layer from radar simulation component model storehouse, select one of them according to gadget;
Antenna irradiation and search coverage according to gadget in when work, the radar detection area layer from radar simulation component model storehouse included to dummy section, to sea region, sky is held concurrently in sea region, selecting one of them;
Model granularity according to the radar simulation application system when carrying out emulation, the included campaign of the emulation granularity layers from radar simulation component model storehouse is grade simulated, select one of them in task level emulation, belligerent grade simulated and engineering grade emulation;
According to the function of radar simulation application system, in the target that the subsystem model layer from described radar simulator system is included and environmental characteristics model subsystem, gadget model subsystem and assessment models subsystem, select one of them;
According to the agenda of radar simulation application system task space object, in the included object model of the object model layer from radar simulation component model storehouse, select one of them;
The specific function that will realize according to the radar simulation application system or action, select one of them in the included submodel of the submodel layer from radar simulation component model storehouse;
According to the needed mathematics of radar simulation application system or logical relation, in the included emulation component submodel of the emulation component submodel layer from radar simulation component model storehouse, select one of them.
7. method according to claim 6, is characterized in that, the object model of described target and environmental characteristics model subsystem comprises: target property object model, environmental characteristics object model, noise signal object model and undesired signal object model; The object model of described gadget model subsystem comprises the gadget object model; The object model of described assessment models subsystem comprises: radar mockup verification object model, radar performance evaluation target model and radar situation show object model.
8. method according to claim 6, is characterized in that, the submodel of described gadget object model comprises: antenna submodel, transmitter submodel, receiver submodel, signal processor submodel and data processor submodel; The submodel of described radar performance evaluation target model comprises: detect performance submodel, measuring accuracy submodel, antijamming capability submodel and tracking power submodel.
9. method according to claim 6, is characterized in that, the simulation component model of described antenna submodel comprises: antenna radiation pattern emulation component, sidelobe blanking emulation component; The simulation component model of described transmitter submodel comprises the emulation component that transmits; The simulation component model of described receiver submodel comprises: echo generates emulation component, system noise emulation component, near area gain control emulation component, coherent detection emulation component, anti-interference emulation component; The simulation component model of described signal processor submodel comprises: counter-jamming emulation component, Doppler effect correction emulation component, pulse compression emulation component, secondary lobe blanking emulation component, moving-target show that emulation component, moving-target detection simulation assembly, CFAR emulation component, detecting device emulation component, clutter map processing emulation component, ambiguity solution emulation component and some mark extract emulation component; The simulation component model of described data processor submodel comprises: track association emulation component, track filtering emulation component, flight path management emulation component.
10. method according to claim 6, is characterized in that, stores a plurality of general radar simulation component models in the subsystem of described Universal Simulation Model storehouse.
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