CN102521470A - Radar simulation system based on XML schema - Google Patents
Radar simulation system based on XML schema Download PDFInfo
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Abstract
The invention discloses a radar simulation system based on an XML (Extensive Makeup Language) schema. According to the invention, the system framework, interface specification and operation statute of the radar simulation system are defined through the high abstraction of the radar simulation system architecture and full life-cycle development. The radar simulation system comprises a radar simulation setting module, a radar simulation engine interface module, a radar simulation tool set module, a radar simulation model library module, a universal simulation mode library module, a radar simulation link library module, a radar simulation configuration module, and the like. Through the invention, the reuse, integration, and interoperation of the radar simulation model are facilitated, and the gradual refining, evolution, analysis and evaluation of the radar equipment demonstration simulation can be effectively supported.
Description
Technical field
The present invention relates to radar emulation field, particularly radar standardization modeling and simulating field specifically is meant a kind of based on the XML Schema radar simulator system of (claiming the XML pattern again).
Background technology
The traditional radar exploitation is often set up specific realistic model to specific tasks; This employing source code " start from scratch " method of programming development radar realistic model make realistic model with exist between emulation is carried out strong related; Be not easy to reusing and interoperability of model, also increased the burden of system integration side.Mei [Mei H; " A component model for perspective management of enterprise software reuse "; Annals of Software Engineering, vol.11, no.1; Pp.219-236,2001] point out based on the model development of assembly and multiplexing be the effective way that improves model development quality and efficient.Its leitmotif is that application system is subdivided into component model, and through standardization runtime class assembly stipulations, the fortune that relies on component platform to provide supports, and realizes that assembly, platform separate with data.
On the basis of conventional assembly (like DLL dynamic link library component, com component etc.), add dummy feature; Make it to become emulation component (being emulation domain-specific assembly); Expedited the emergence of this brand-new design philosophy of system development (System development based on Simulation Component is called for short SDSC) based on emulation component.The emphasis that SDSC makes system development changes the assembling, integrated and reuse of emulation component into by the design of emulation component, and its core is that problem is described in the standardization of emulation component and framework thereof.Extend markup language (eXtensible Markup Language; Be called for short XML) be W3C in issue in 1998 go up data representation and data exchange standard as Internet, have advantages such as opening, extensibility, stratification, self-described, cross-platform and document correctness requirement.XML is not as HTML, one group of label that has defined in advance is provided, and has provided a standard, and it allows to utilize the rule of this standard and definition thereof, in conjunction with application demand, formulates the markup language relevant with developing professional domain.XML has become the fundamental norms that realize interoperability between the Simulation Application now, as towards the Web service standard of ecommerce, the emulation reference marker language SRML of Boeing Co., the realistic model definitional language SMDL of European Space Agency.But the XML standardization descriptive system about towards radar emulation field is not seen in all kinds of documents and materials so far yet.
Summary of the invention
In order to overcome the existing scattered exploitation in radar modeling and simulating field, the nonstandard problem of model; The invention provides a kind of radar modeling and simulating standardization descriptive system based on XML; Through definition standard, opening, fundamental element system module flexibly, promote reusing and interoperability of radar realistic model.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of radar simulator system based on the XML pattern is characterized in that, this system comprises:
Radar emulation is provided with module, is used to carry out the setting of radar emulation pacing items;
Radar simulation engine interface module; Be used to describe radar emulation component, radar emulation connexon and whole radar simulator system respectively and the interface relationship between the radar simulation engine, the interface setting of definition simulation run parameter, simulation run driving and emulation component service;
Radar emulation tool collection module is used to the modeling, emulation, debugging, analysis and the assessment that provide aid to support said radar simulator system;
Radar realistic model library module is used to set up the radar mockup framework of stratification, and the dedicated emulated model towards field of radar is provided;
Common simulation model bank module is used for some common simulation models that provide radar simulator system to use in modeling;
Radar emulation link library module is used to describe complex interaction relation and communication protocol between the radar emulation component;
Radar simulation configurations module is used to assemble radar emulation component and emulation connexon;
The user chooses said radar realistic model library module and said common simulation model bank module by said radar emulation tool collection module; Be connected to form radar simulation configurations module through said radar emulation link library module; Make up required radar simulator system; The radar simulator system that constructs is provided with module through said radar emulation and carries out the parameter setting, under the driving of said radar simulation engine interface module, starts simulation run.
Can know by above technical scheme, the invention has the beneficial effects as follows:
1,, make the radar simulation frame have advantages such as opening, alterability, extensibility, stratification, self-described, cross-platform and verification of correctness through describing based on the standardization of XML pattern;
2, through one group of negligible amounts of statement but complete relatively element and element property (like standardized radar emulation component, emulation connexon, simulation configurations, analogue system basic structure and emulation platform operation stipulations) are described highly abstract structure, characteristic and behavior; To establish a radar simulation modeling normative reference flexibly, farthest support the reusing of radar realistic model, integrated and interoperability;
3, through definition standard, opening and fundamental element system module flexibly, the High Level Architecture of radar simulator system and the main interactive mode of complicated Dynamic Signal stream have been stipulated;
4, through describing with standardization to the height of simulation of Radar System architecture and Life cycle exploitation is abstract, can effectively support to gadget prove emulation progressively refinement (generating) until automatic code, develop, analyze and assess;
5, carry out radar system exploitation based on the thought of emulation component (change), realized emulation component, emulation platform and prefer separating of data.
Description of drawings
Fig. 1 is that the XML pattern of radar simulator system root node is formed structural drawing.
Fig. 2 is the XML pattern composition structural drawing that radar emulation is provided with module.
Fig. 3 is that the XML pattern of radar simulation engine interface module is formed structural drawing.
Fig. 4 is that the XML pattern of radar emulation tool collection module is formed structural drawing.
Fig. 5 is that the XML pattern of radar realistic model library module is formed structural drawing.
Fig. 6 is that the XML pattern of emulation component type is formed structural drawing.
Fig. 7 is that the XML pattern of emulation Container Type is formed structural drawing.
Fig. 8 is that the XML pattern of common simulation model bank module is formed structural drawing.
Fig. 9 is that the XML pattern of radar emulation link library module is formed structural drawing.
Figure 10 is that the XML pattern of radar emulation connexon type is formed structural drawing.
Figure 11 is that the XML pattern of radar simulation configurations module is formed structural drawing.
Figure 12 is a radar signal digit pulse compression analogue system block diagram.
Embodiment
For making the object of the invention, technical scheme and advantage clearer, below in conjunction with specific embodiment, and with reference to accompanying drawing, to further explain of the present invention.
A kind of embodiment of the present invention is to carry out the method for designing of radar modeling and simulating standardization descriptive system based on the XML pattern.Fig. 1 has provided the XML pattern stratification block diagram of radar simulator system top level structure (the root node element is radar simulator system RadarSimulation), and its fundamental element of having described radar simulator system is formed information, comprises 7 major parts, the concrete composition as follows:
1, radar emulation is provided with module simulationSetup
Radar emulation has been provided with module definition and has carried out the structure that radar emulation pacing items is provided with, and each pacing items element of its definition all occurs in emulation and only occurs once.As shown in Figure 2, its main pacing items element is:
Radar working system system, enumerated data type.Like surveillance radar WARNING, search radar SEARCHING, tracking radar TRACKING, guidance radar GUIDANCE etc.
Radar mode of operation mode, enumerated data type.As to extra large SEA, to empty AIR, hold concurrently to empty SEA_AIR to the sea etc.
Radar model type, character string type.Typical in AN/SPY-1, AN/FPS-115 etc.
Simulation of Radar System granularity size, enumerated data type.Like system-level SYSTEM, functional level FUNCTION, signal level SIGNAL etc.
Simulation of Radar System operation platform platform, character string type.Like Windows XP, Vista, Linux, UNIX etc.
Code generates used language language, character string type.Like C, C++, C#, Java etc.
Code encoder compiler, character string type.Like VS2005, VC++6.0 etc.
2, radar simulation engine interface module engineInterfaces
Described to radar simulation engine interface module module standard radar emulation component, radar emulation connexon and whole radar simulator system respectively and the interface relationship between radar simulation engine/simulation run core, the interface that has defined simulation run parameter, simulation run driving and emulation component service is realized the standard setting.The radar simulation engine is as the operation core of emulation, is responsible for the calling in initial generation and the distribution with distribution, artificial tasks of system-wide initialization, simulation scenario in simulation stage; Be responsible for the scheduling and the management of simulation clock propelling, the driving of emulated data stream, emulation logic control, the management of emulation communications protocol and artificial resource in the operation phase; Be responsible for record and storage, the termination of artificial tasks and the withdrawing from of thread of simulation result data in ending phase.As shown in Figure 3, its main component is following:
The simulation run parameter is provided with interface simulationParameters, analogue system model static data interface type.Static model parameters such as emulation start time startTime, emulation concluding time endTime, simulation step length stepTime, emulated data precision dataPrecision, Monte Carlo number of times monteCount have been defined this interface system.
Simulation run State Control interface runtimeStateControl, Simulation Application DLL type.This control interface is meant that when analogue system was sent steering order to the radar emulation component, the radar emulation component carried out the control interface function of response actions.The control interface function comprises: emulation begins Initialize (), emulation and advances StepOn (), emulation to suspend Pause (), emulation to recover that Resume (), emulation stop Stop (), Exit () etc. is withdrawed from emulation.
Service of simulation interface servicesAPI, Simulation Application DLL type.This interface definition the behavior interactive relation between the radar emulation component, between emulation component and the engine.Service of simulation comprises: communication service between bottom operation supporting, emulation component, emulation component dispatch service, emulation component management service, Time Service, incident management service and log services etc.
3, radar emulation tool collection module simulationTools
Radar emulation tool collection module belongs to the important component part of the integrated modeling and simulating environment of radar; Modeling, emulation, debugging, analysis and assessment that it mainly provides a series of aids to support radar simulator system; The aid collection is written into simulated environment by some component softwares that are independent of platform (like DLL/COM etc.) with the interface shape of standard, and can plug dynamically and expand.As shown in Figure 4, its main component is following:
Emulation user management instrument user, the component software type.This instrument mainly is used to provide system's access and security mechanism, realizes the user management of different stage, mainly is made up of user's group, username and password etc.
Graphical modeling tool graphicalModeling, the component software type.This instrument mainly is used for supporting towed, the visualized graphs modeling based on the radar emulation component.
XML modeling tool xmlModeling, the component software type.This instrument mainly is used to provide interactive modeling interface, generates the radar factoid language based on XML automatically.
Probe tool probe, the component software type.This instrument is mainly used in the graphic interactive modeling and simulating environment, and it is similar to a CRO coupling, can real-time detection and Analysis of Radar emulation component output port node on signal waveform and frequency spectrum.
Debugging acid debug, the component software type.This instrument mainly is used for supporting to the simulated environment debugging and the analysis of the source code of generation automatically.
Log record instrument log, the component software type.This instrument is used for mainly realizing that message and daily record to producing in the simulating developer process carry out the Real-time and Dynamic record.
Storage tool memory, the component software type.This instrument is mainly used in significant data and the information that produces with in the effective storage emulation performance history of the form of standard.
Model checking instrument verification, the component software type.This instrument mainly is used for carrying out checking, affirmation and the identification (VV&A) of radar realistic model assembly.
Model evaluation instrument evaluation, the component software type.This instrument mainly is used for radar realistic model assembly and complete machine equipment realistic model are effectively analyzed, and according to the requirement of model evaluation system, forms the assessment form of standard.
Situation show tools view, the component software type.This instrument is mainly used in the demonstration true to nature to simulation results such as coverage diagram, signal waveform, the posture of operation and three-dimensional visions.
4, radar realistic model library module radarModels
Radar realistic model library module is the artificial resource storehouse of radar modeling and simulating environment; It sets up radar realistic model level storehouse with perfect criteria for classification; With the tight core type emulation component that library standard constantly expands model bank of going into, with the format description emulation component meta model information of standard.Radar realistic model library module can successively decompose by the framework level, until the signal level emulation component of the bottom.As shown in Figure 5, its main component is following:
Simulation scenario resources bank scenario, abstract emulation component type.The radar simulation scenario mainly is used to provide the mapping of radar actual working environment to radar artificial resource information; Constraint prefers expression format; Control prefers output content, input data source, the initialization radar parameter of analogue system is provided and drives simulation run with normalized form.Radar simulation scenario resources bank mainly comprises: simulation scenario metadata information, gadget and subsystem model thereof (antenna, transmitter, receiver, signal processor and data processor subsystem) supplemental characteristic, geographic information data, target property data, environmental characteristics data, noise signal data and undesired signal data etc.The source of preferring is full-scale/small-scale model measured data or analogue simulation data, and adopts describing framework and the data layout storage and uniform of XML file with regulation.
Target property storehouse target, the emulation Container Type.The radar target signature storehouse mainly comprises: target scale Component Gallery and target signature Component Gallery; The former is with the information such as position, speed, acceleration and movement locus of the form simulation output radar target of radar emulation component; The latter is the principle foundation with the probability nature of radar target then, and simulation realizes long-pending (RCS) statistical nature model of RCS.
Environmental characteristics storehouse environment, the emulation Container Type.Radar environmental characteristics storehouse has mainly provided the statistical nature model of radar operating environments such as atmospheric duct, cloud, rain, mist, hydrometeorology with the form of emulation component.
Noise signal storehouse clutter, the emulation Container Type.One of fundamental purpose of Radar Signal Processing is to eliminate the radar signal clutter, improves signal to noise ratio.The noise signal storehouse comprises: extra large clutter, land clutter, meteorological clutter and chaff clutter etc. make up the artificial physical model according to its scattering form and statistical distribution classification.
Undesired signal storehouse jamming, the emulation Container Type.Undesired signal is divided into by its action principle: active covering interference (comprising radio noise interference, noise AM interference, noise FM interference, the interference of noise phase modulation and impulse disturbances etc.), active cheating property interference (containing range gate deception interference, orientation cheating interference and velocity gate deception interference etc.), nothing are floated covering interference (containing chaff corridor interference and the regional interference of chaff etc.) and passive duplicity interference (containing anti-radar camouflage and radar decoy etc.) etc., and its artificial physical model of structure of classifying based on this.
Gadget model bank arming, the emulation Container Type.The gadget model bank is divided into: antenna, transmitter, receiver, signal processor and data processor subsystem model bank etc.According to the emulation demand, the gadget model bank is that the basis can successively be launched with this framework.With signal level emulation is example, and signal processor subsystem model bank can further be subdivided into: Doppler effect correction, pulse compression, signal weighting, moving-target show that (MTI), moving-target detect fundamental element nodes such as (MTD), CFAR detection (CFAR), the accumulation of non-coherent, coherent accumulation and clutter map processing; Wherein, the signal weighting node can be subdivided into again: time domain weighting and frequency domain weighting; And the frequency domain weighting node can further be divided into: even window, hamming window, Cosine Window, Hanning window, Chebyshev window, cosine cube window, Taylor's window etc., other situation is as the same.
Radar master control model master, the emulation component type.Radar master control model mainly is responsible for the resource management and the scheduling of radar simulator system, changes the pattern and the information flow of radar work, the performance parameter of adjustment radar work, the control function of realistic simulation radar operation bench.Seeing that concrete radar operation and control interface and keypress function respectively have difference, radar master control model emulation assembly border factually need dynamically customize and create.
Below, will introduce respectively the three big element types (being abstract emulation component type AbstractComponent, emulation component Type C omponent and emulation Container Type Container) that use in the radar realistic model library module.
Abstract emulation component type AbstractComponent self does not have concrete function algorithm, but may be instantiated as a class component module of radar emulation component through parameter.For example, the transmitter abstract component has no behavior to realize, but through peak transmitted power and the isoparametric setting of composite loss, can be instantiated as concrete radar realistic model.Its type definition is seen Fig. 5.
Emulation component Type C omponent, functional unit in the radar simulator system and computational entity are understood from directly perceived, and it is corresponding to the artificial physical model of traditional rectangular frame representative.Separate between the emulation component, assembly is hidden its concrete realization, only communicates through port.The definition of emulation component type is as shown in Figure 6, and it comprises following element: emulation component type name, emulation component metadata information, emulation component parameter, emulation component port, assembly behavior entity, sub-component name list and sub-component exemplary configuration etc.Wherein, the emulation component metadata information is unified to describe to the meta model information such as exploitation purpose, application, major function, method of application and example, theoretical foundation, main deviser and version number of emulation component with normalized form; The emulation component port is a kind of description and expresses model and its environment carries out mutual interface element; Can be set to visiblely or invisible according to the emulation needs, can be divided into according to pattern mutual between port: based on the emulation component scheduling, based on Event triggered, based on the message transmission and based on communication patterns such as stream data transmission; Wherein, the assembly that is made up of the copying unit of the bottom is called the atom emulation component, and the assembly that is made up of two and above atom emulation component is called compound emulation component, and the assembly that comprises in the compound emulation component is called sub-emulation component.
Emulation Container Type Container, the emulation container is made up of zero or a plurality of sub-containers, radar emulation component and simulation configurations.The difference of it and compound emulation component is that compound emulation component is the emulation component entity of an individual packages, be one " black box ", and the emulation container self is a virtual simulation unit, and inside is one " clear box ".The definition of emulation Container Type is as shown in Figure 7, and it comprises following element: emulation Container Type name, emulation container metadata information, abstract emulation component, emulation component name, the tabulation of sub-Container Name and sub-container instance configuration etc.Wherein, the container that only contains assembly and connexon is called atom emulation container, and the container that is made up of two and above atom emulation container is called compound emulation container, and the container that comprises in the compound emulation container is called sub-emulation container.
5, common simulation model bank module commonModels
Some common simulation models that common simulation model bank module mainly provides radar simulator system in modeling, to use, these models are totally independent of concrete radar system, are the public key elements of radar simulator system.As shown in Figure 8, its main component is following:
Wave filter computing storehouse filter, the emulation Container Type.Radar has used a large amount of filter model to be used to improve the signal to noise ratio (S/N ratio)/signal to noise ratio/signal interference ratio of system in signal Processing and data processing, and these filter model are independent of concrete radar system, should give single-row.Mainly comprise: conventional low-pass/high-pass/BPF., fft filters, FIR wave filter, DFT wave filter, S filter, least square filter, Kalmus wave filter and Kalman filter etc.
Arithmetical operation storehouse arithmetic, the emulation Container Type.The arithmetical operation storehouse mainly is used for supporting the arithmetical operation between emulated data, is similar to a science type counter.Mainly comprise: totalizer, multiplier, surplus musical instruments used in a Buddhist or Taoist mass, index device, logarithm device, factorial device, unit converter and trigonometric function device etc.
Logical operation storehouse logic, the emulation Container Type.The logical operation storehouse mainly is used for supporting logic determines, the control between emulated data and calculating.Mainly comprise: greater than, more than or equal to, less than, smaller or equal to, equal, be not equal to, with or, logical symbols such as non-, XOR and true and false judgement.
Matrix operation storehouse matrix, the emulation Container Type.Summing up on the basis of concluding Radar Signal Processing and data processing algorithms most in use, be necessary to extract classical radar matrix operation library module, to accelerate the simulating developer of radar system.Mainly comprise: obtain the row matrix columns, extract the matrix ranks, the matrix assignment, create matrix, empty matrix, the heavy duty of matrix operation symbol, ask for adjoint matrix, ask for inverse matrix, ask for transposed matrix, ask matrix to be worth most etc.
Unified coordinate system transformation warehouse coordinate, the emulation Container Type.In the process of simulation of Radar System, commonly used to various local coordinate system.For the ease of the data interface, be necessary that setting up unified normalized coordinates is transformation warehouse on the basis of the radar reference frame of summing up various working systems, mode of operation.Mainly comprise: radar front spherical coordinate system, radar front rectangular coordinate system, radar station spherical coordinate system, radar station rectangular coordinate system, sine space coordinate system, sensing rectangular coordinate system, sensing azimuthal coordinates system, earth coordinates, geocentric inertial coordinate system and geocentric rectangular coordinate system etc.
6, radar emulation link library module connectorTemplates
In traditional modeling and simulating process, line only is simple I/O data transfer, and each mutual component internal takes place mutual often scattered being distributed in of the behavior of inter-module.One of significant contribution of architecture description language (being called for short ADL) research is the notion that has clearly proposed connexon, and the present invention is the basis with it, on the basis of research radar simulator system communication pattern commonly used, has designed radar emulation link library module.Its independence and explicitly have been described complex interaction relation and the communication protocol between the radar emulation component, are the mutual bonding agents of complex information between the control of radar simulator system dynamic operation flow process and each assembly.As shown in Figure 9, its main component is following:
Circulation connexon module FOR, radar emulation connexon type.This module has the function of for cycle control body in the similar C Plus Plus, will be according to the parameter circular flow of connexon module setting, till satisfying the circulation exit criteria through the emulation component of this module controls.
Judge connexon module I F, radar emulation connexon type.This module has the function that if in the similar C Plus Plus judges control volume, the flow direction of the parameter determining information that the emulation component through this module controls will be provided with according to judge module and the operational scheme of system.
The connexon module SWITCH of branch, radar emulation connexon type.This module has the function of switch branch control volume in the similar C Plus Plus, the branch direction of the parameter determining information flow that the assembly through this module controls will be provided with according to branch's module.
Signal merges connexon module MERGE, radar emulation connexon type.This module is merged into a vector signal or one-channel signal with multiple signals.
Emulation component scheduling connexon module SCHEDULE, radar emulation connexon type.This module mainly is used for connecting schedule component and the port of the emulation component that is scheduled, and realization is called the emulation component that is scheduled, is similar to subroutine in the C Plus Plus (subfunction) and calls.
Event triggered connexon module EVENT, radar emulation connexon type.This module mainly is used for the port of connection event source and incident groove emulation component, the incident groove allow emulation component under certain condition (generation of particular event or the variation of special parameter) receive event information and make response from other assembly directly or indirectly.For example, when pressing on the radar control panel behind certain button, the signal generator emulation component will change its waveform parameter immediately.
Message is transmitted connexon module MESSAGE, radar emulation connexon type.This module mainly is used for connecting sends message and the port that receives the message emulation component, realizes the transmission and the reception of message, and this mode is similar to the message passing mechanism among the MFC.
Stream data transmission connexon module DATAFLOW, radar emulation connexon type.This module mainly is used for connecting the output and the input port of emulation component, realizes the I/O transmission of data, is similar to traditional data stream line.
Feedback connexon module FEEDBACK, radar emulation connexon type.This module mainly is used for realizing the feedback connection between the emulation component and communicating by letter, is the important interactive mode of closed-loop system emulation.
Below, will introduce the radar emulation connexon type that uses in the radar emulation link library module.
Radar emulation connexon Type C onnector; The emulation connexon is the important bridge of getting in touch between the emulation component, and its independence and explicitly have been described complex interaction relation and the communication protocol between the radar emulation component. be the mutual bonding agent of complex information between the control of radar simulator system dynamic operation flow process and each assembly.The definition of radar emulation connexon type is shown in figure 10, and it comprises following element: emulation connexon type name, emulation connexon metadata information, emulation connexon pattern, emulation connexon parameter, emulation connexon behavior entity, emulation connexon role, emulation connexon communication protocol, sub-emulation connexon name list and sub-emulation connexon exemplary configuration etc.Wherein, the pattern description of emulation connexon the high level communication pattern of connexon, like remote communication mode, local area network communication pattern and local communication pattern etc.; Emulation connexon behavior entity description the emulation connexon realize that the mutual behavior of complex information realizes; Emulation connexon communication protocol is corresponding with emulation connexon behavior entity, communication protocol title and configuration parameter when providing certain interactive mode of concrete realization.Wherein, The connexon that is made up of the emulation connexon unit of the bottom is called atom emulation connexon; The connexon that is made up of two and above atom emulation connexon is called compound emulation connexon, and the connexon that comprises in the compound emulation connexon is called sub-emulation connexon.
7, radar simulation configurations module config
Form in order to describe whole radar simulator system, radar emulation component and emulation connexon must be assembled into a configuration, and configuration promptly is a topological structure that the emulation component instance is glued together through emulation connexon instance.Emulation component and emulation connexon have defined the function of a class component and connexon, application system when emulation component instance and connexon instance then are used for making up operation, and the relation object between them is similar in the Object-oriented Programming Design language type the relation with object.Shown in figure 11, its main component is following:
Simulation configurations name configName, character string type.This title is unique in whole simulation system.
Simulation configurations information configInfo.Configuring condition to analogue system is elaborated, and describes by simulation configurations information word model module is unified.
Simulation configurations attribute configProperty.The attribute definition of simulation configurations is described the characteristic of simulation configurations, like the assembling information relevant with simulation configurations, operation information etc.
Emulation container instance containerInst, emulation container instance type.Form by elements such as emulation container instance name, emulation Container Type name, abstract emulation component parameter and view positions, emulation container instance place.
Emulation component instance componentInst, the emulation component example types.Form by elements such as emulation component Instance Name, emulation component type name, emulation component instantiation parameter and view positions, emulation component instance place.
Emulation connexon instance connectorInst, emulation connexon example types.Form by elements such as emulation connexon Instance Name, emulation connexon type name, emulation connexon instantiation parameter and view positions, emulation connexon instance place.
Emulation annexation link, emulation annexation type.Form by emulation connexon Instance Name, connection source (connection constraints type) and connection endpoint (connection constraints type).Connection constraints type LinkRestrict then is made up of emulation connexon example angular color name, emulation component Instance Name and emulation component instance port name thereof etc.
Said emulation container instance, emulation component instance and emulation connexon instance are respectively the instantiations to emulation Container Type, emulation component type and emulation connexon type.
When carrying out the exploitation of actual radar system; The user chooses radar realistic model library module and common simulation model bank module by radar emulation tool collection module; Through radar emulation link library module be connected to form radar simulation configurations module, make up required radar simulator system.This analogue system is provided with module through radar emulation and carries out the parameter setting, under the driving of radar simulation engine interface module, can start simulation run.
The principle that Figure 12 has provided a radar signal digit pulse compression analogue system realizes block diagram.
Can know that from Figure 12 the fundamental element type that this analogue system is used has: 1. radar emulation component-radar complex signal generator CSignalGen; 2. common simulation assembly-conjugate operation device Conj, fast fourier transformer FFT, multiplier Multiply, inverse fast fourier transformer IFFT and signal waveform display Scope; 3. radar emulation connexon-based on the emulation connexon DATAFLOW of stream data transmission.
The emulation component instance that uses has: 1 radar complex signal generator signalGen1,1 conjugate operation device conj1,2 fast fourier transformer fft1 and fft2,1 multiplier multiply1,1 inverse fast fourier transformer ifft1 and 1 signal waveform display scope1.
The emulation connexon instance that uses has: 7 emulation connexon dataflow1～dataflow7 based on stream data transmission.
Analogue system connects 7 emulation component instances through 7 emulation connexon instances in order, constitutes a complete simulation of Radar System configuration.
Based on XML radar signal digit pulse compression analogue system is standardized the method (part) described as follows:
What be worth explanation is; Through radar standardization modeling and simulating environment support facility; When graphical modeling; By the realistic model block diagram of setting up shown in Figure 12, can shine upon above-mentioned simulation modeling system immediately, and can generate simulation run code (based on C, C++ or Java etc.) automatically according to platform features based on XML.The exploitation of modeling and simulating Life cycle only needs a small amount of manual programming, and the system emulation modeling is convenient, fast, effective.
Can know by the above-described embodiment and examples; The invention provides a kind of radar simulator system based on the XML pattern; In the embodiment about the classification of radar simulation model library, common simulation model bank and radar emulation link library; Just a preferable level is divided example, is not that it is done any pro forma restriction.Every any simple modification of according to technical spirit of the present invention above embodiment being done on this basis, equivalent variations and modification all still belong within the technical scheme scope of the present invention.
Claims (21)
1. radar simulator system based on extend markup language (XML) pattern is characterized in that this system comprises:
Radar emulation is provided with module, is used to carry out the setting of radar emulation pacing items;
Radar simulation engine interface module; Be used to describe radar emulation component, radar emulation connexon and whole radar simulator system respectively and the interface relationship between the radar simulation engine, the interface setting of definition simulation run parameter, simulation run driving and emulation component service;
Radar emulation tool collection module is used to the modeling, emulation, debugging, analysis and the assessment that provide aid to support said radar simulator system;
Radar realistic model library module is used to set up the radar mockup framework of stratification, and the dedicated emulated model towards field of radar is provided;
Common simulation model bank module is used for some common simulation models that provide radar simulator system to use in modeling;
Radar emulation link library module is used to describe complex interaction relation and communication protocol between the radar emulation component;
Radar simulation configurations module is used to assemble radar emulation component and emulation connexon;
The user chooses said radar realistic model library module and said common simulation model bank module by said radar emulation tool collection module; Be connected to form radar simulation configurations module through said radar emulation link library module; Make up required radar simulator system; The radar simulator system that constructs is provided with module through said radar emulation and carries out the parameter setting, under the driving of said radar simulation engine interface module, starts simulation run.
2. system according to claim 1; It is characterized in that said radar emulation pacing items comprises: radar working system, radar mode of operation, radar model, simulation of Radar System granularity, simulation of Radar System operation platform, code generate used language, code encoder.
3. system according to claim 1 is characterized in that, the operation core that said radar simulation engine is emulation is responsible for the calling in initial generation and the distribution with distribution, artificial tasks of system-wide initialization, simulation scenario in simulation stage; Be responsible for the scheduling and the management of simulation clock propelling, the driving of emulated data stream, emulation logic control, the management of emulation communications protocol and artificial resource in the operation phase; Be responsible for record and storage, the termination of artificial tasks and the withdrawing from of thread of simulation result data in ending phase.
4. system according to claim 1 is characterized in that, said radar simulation engine interface module comprises: the simulation run parameter is provided with interface, simulation run State Control interface, service of simulation interface.
5. system according to claim 1; It is characterized in that said radar emulation tool collection module comprises: emulation user management instrument, graphical modeling tool, XML modeling tool, probe tool, debugging acid, log record instrument, storage tool, model checking instrument, model evaluation instrument, situation show tools.
6. system according to claim 1 is characterized in that, said radar realistic model library module comprises: simulation scenario resources bank, target property storehouse, environmental characteristics storehouse, noise signal storehouse, undesired signal storehouse, gadget model bank, radar master control model.
7. system according to claim 6; It is characterized in that; Said simulation scenario resources bank is abstract emulation component type; Said radar master control model is the emulation component type, and said target property storehouse, said environmental characteristics storehouse, said noise signal storehouse, said undesired signal storehouse, said gadget model bank are the emulation Container Type.
8. system according to claim 1 is characterized in that, said gadget model bank comprises: antenna, transmitter, receiver, signal processor and data processor subsystem model bank.
9. system according to claim 1 is characterized in that, said common simulation model bank module comprises: wave filter computing storehouse, arithmetical operation storehouse, logical operation storehouse, matrix operation storehouse, unified coordinate system transformation warehouse.
10. system according to claim 9 is characterized in that, said wave filter computing storehouse, said arithmetical operation storehouse, said logical operation storehouse, said matrix operation storehouse, said unified coordinate system transformation warehouse are the emulation Container Type.
11. system according to claim 1; It is characterized in that said radar emulation link library module comprises: circulation connexon module, judgement connexon module, branch's connexon module, signal merge connexon module, emulation component scheduling connexon module, Event triggered connexon module, message transmission connexon module, stream data transmission connexon module, feedback connexon module.
12. system according to claim 11 is characterized in that, the submodule in the said radar emulation link library module is radar emulation connexon type.
13. system according to claim 1; It is characterized in that said radar simulation configurations module comprises: simulation configurations name, simulation configurations information, simulation configurations attribute, emulation container instance, emulation component instance, emulation connexon instance, emulation annexation.
14. system according to claim 13 is characterized in that, said emulation container instance, emulation component instance and emulation connexon instance are respectively the instantiations to emulation Container Type, emulation component type and emulation connexon type.
15. system according to claim 7 is characterized in that, abstract emulation component is not for self having concrete function algorithm, but may be instantiated as a class component module of radar emulation component through parameter.
16. system according to claim 1 is characterized in that, said radar emulation component is functional unit and the computational entity in the radar simulator system, and is separate between the emulation component, hides its concrete realization, only communicates through port.
17. according to claim 7 or 14 described systems; It is characterized in that said emulation component type comprises following fundamental element: emulation component type name, emulation component metadata information, emulation component parameter, emulation component port, assembly behavior entity, sub-component name list and sub-component exemplary configuration.
18. system according to claim 17; It is characterized in that; Said emulation component port is a kind of description and expresses model and its environment carries out mutual interface element; Be set to visiblely or invisible according to the emulation needs, be divided into: based on the emulation component scheduling, based on Event triggered, based on the message transmission and based on the communication pattern of stream data transmission according to pattern mutual between port.
19. according to claim 10 or 14 described systems; It is characterized in that the emulation Container Type comprises following fundamental element: emulation Container Type name, emulation container metadata information, abstract emulation component, emulation component name, the tabulation of sub-Container Name and the configuration of sub-container instance.
20. system according to claim 1 is characterized in that, said radar emulation connexon is the important bridge of getting in touch between the emulation component, and its independence and explicitly have been described complex interaction relation and the communication protocol between the radar emulation component.
21. system according to claim 12; It is characterized in that radar emulation connexon type comprises following fundamental element: emulation connexon type name, emulation connexon metadata information, emulation connexon pattern, emulation connexon parameter, emulation connexon behavior entity, emulation connexon role, emulation connexon communication protocol, sub-emulation connexon name list and sub-emulation connexon exemplary configuration.
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