CN111950881A - System contribution rate evaluation method and system for imaging of remote sensing satellite on fixed target point - Google Patents
System contribution rate evaluation method and system for imaging of remote sensing satellite on fixed target point Download PDFInfo
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- CN111950881A CN111950881A CN202010763212.0A CN202010763212A CN111950881A CN 111950881 A CN111950881 A CN 111950881A CN 202010763212 A CN202010763212 A CN 202010763212A CN 111950881 A CN111950881 A CN 111950881A
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Abstract
The invention provides a system contribution rate evaluation method and system of a remote sensing satellite for imaging a fixed target point, comprising the following steps: the system construction step: constructing a system architecture of the remote sensing satellite for imaging the fixed target point; building a system simulation environment: constructing a system simulation environment according to STK software, and setting a fixed target point and a satellite model; a combined simulation step: carrying out interactive joint simulation according to the system architecture and the system simulation environment; an evaluation step: and evaluating the system contribution rate of the remote sensing satellite to imaging of the fixed target point. The invention can establish a fixed target point target detection task scene which accords with the practical application condition; the task flow and the interaction information of each participating remote sensing satellite can be scientifically and visually established; the method can effectively quantitatively evaluate the functions exerted by the remote sensing satellite, has wide general range and strong applicability, and has good application prospect and market prospect.
Description
Technical Field
The invention relates to the field of satellite overall design, in particular to a method and a system for evaluating the system contribution rate of a remote sensing satellite to imaging of a fixed target point.
Background
With the development of the technology, the number and the types of the in-orbit remote sensing satellites are continuously increased, different types of remote sensing satellites can play different roles in imaging a fixed target point, and in order to better evaluate the roles played by the satellites, the system contribution rate of a certain remote sensing satellite in an imaging task of the fixed target point needs to be calculated scientifically and reasonably and quantitatively.
The Chinese invention patent with the application number of CNI201710174679.X discloses a method for constructing a weapon equipment system performance evaluation index system, and mainly aims at constructing a system performance evaluation index with a grading and hierarchical relationship aiming at an air defense weapon system.
The Chinese invention patent with the application number of CNI201510116909.8 discloses a method for determining the efficiency of a remote sensing satellite system, which is mainly established by an efficiency evaluation index system for marine application remote sensing satellites.
Therefore, it is necessary to design a system contribution rate calculation method for imaging a fixed target point by a remote sensing satellite, which is reasonable, effective and universal, based on actual detection requirements, with a task of imaging the fixed target point as a core.
Patent document CN110264028A (application No. 201910352047.7) discloses an equipment system contribution rate evaluation method and device, the equipment system contribution rate evaluation method including: matching the capabilities for mission tasks, setting the capabilities as nodes, setting the influence relationship between the capabilities as connecting edges between the nodes, setting the strength of the influence relationship between the capabilities as weights on the connecting edges, and constructing and forming a system capability network model; based on a system capability network model, tracing a contribution link of the capability corresponding to the equipment to be evaluated, and constructing an equipment system contribution path diagram according to the contribution link; symbolizing a contribution path diagram of an equipment system, establishing a structural equation, and calculating a weight value according to the structural equation; and evaluating the contribution rate of the capacity corresponding to the equipment to be evaluated to other capacities in the equipment system contribution path diagram based on the numerical value of the weight.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a system contribution rate evaluation method and system for imaging a fixed target point by a remote sensing satellite.
The system contribution rate evaluation method of the remote sensing satellite to the imaging of the fixed target point provided by the invention comprises the following steps:
the system construction step: constructing a system architecture of the remote sensing satellite for imaging the fixed target point;
building a system simulation environment: constructing a system simulation environment according to STK software, and setting a fixed target point and a satellite model;
a combined simulation step: carrying out interactive joint simulation according to the system architecture and the system simulation environment;
an evaluation step: and evaluating the system contribution rate of the remote sensing satellite to imaging of the fixed target point.
Preferably, the system building step comprises: modeling a capability view, an operation view, a service view and a system view according to a DODAF architecture theory;
the task flow of the remote sensing satellite imaging the fixed target point comprises the following steps: discovery, identification, and description.
Preferably, the building architecture simulation environment step includes: leading in a batch fixed target point into a preset area, wherein the fixed target point comprises fixed target point attribute information;
modeling a satellite participating in fixed target point detection, wherein the satellite comprises satellite orbit parameters, load detection capacity and a working mode;
and modeling the relay satellite, the data transmission station and the measurement and control station.
Preferably, the joint simulation step includes: and carrying out interaction events on the system architecture and the simulation environment, wherein the interaction mode is to transmit event information and store the event information at each time.
Preferably, the evaluating step comprises: and carrying out system contribution rate evaluation, wherein the evaluation object comprises: the target point finding and identifying time interval, the target point imaging updating time and the time required by imaging all the target points once.
The system contribution rate evaluation system of the remote sensing satellite to the imaging of the fixed target point provided by the invention comprises:
a system construction module: constructing a system architecture of the remote sensing satellite for imaging the fixed target point;
constructing a system simulation environment module: constructing a system simulation environment according to STK software, and setting a fixed target point and a satellite model;
a combined simulation module: carrying out interactive joint simulation according to the system architecture and the system simulation environment;
an evaluation module: and evaluating the system contribution rate of the remote sensing satellite to imaging of the fixed target point.
Preferably, the architecture module comprises: modeling a capability view, an operation view, a service view and a system view according to a DODAF architecture theory;
the task flow of the remote sensing satellite imaging the fixed target point comprises the following steps: discovery, identification, and description.
Preferably, the build architecture simulation environment module includes: leading in a batch fixed target point into a preset area, wherein the fixed target point comprises fixed target point attribute information;
modeling a satellite participating in fixed target point detection, wherein the satellite comprises satellite orbit parameters, load detection capacity and a working mode;
and modeling the relay satellite, the data transmission station and the measurement and control station.
Preferably, the joint simulation module includes: and carrying out interaction events on the system architecture and the simulation environment, wherein the interaction mode is to transmit event information and store the event information at each time.
Preferably, the evaluation module comprises: and carrying out system contribution rate evaluation, wherein the evaluation object comprises: the target point finding and identifying time interval, the target point imaging updating time and the time required by imaging all the target points once.
Compared with the prior art, the invention has the following beneficial effects:
(1) the system contribution rate calculating method for imaging the fixed target point by the remote sensing satellite can establish a fixed target point target detection task scene according with the practical application condition;
(2) the method for calculating the system contribution rate of the remote sensing satellite to imaging of the fixed target point can scientifically and visually establish the task flow and the interaction information of each participating remote sensing satellite;
(3) the method for calculating the system contribution rate of the remote sensing satellite to the imaging of the fixed target point can effectively quantitatively evaluate the function of the remote sensing satellite, has wide general range and strong applicability, and has good application prospect and market prospect.
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Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic diagram of a system contribution rate calculation process of the remote sensing satellite imaging a fixed target point.
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that it would be obvious to those skilled in the art that various changes and modifications can be made without departing from the spirit of the invention. All falling within the scope of the present invention.
The embodiment of the invention provides a method for calculating the system contribution rate of a remote sensing satellite to imaging of a fixed target point, as shown in fig. 1, which is a schematic diagram of the calculation process of the system contribution rate of the remote sensing satellite to imaging of the fixed target point, and comprises the following steps:
step 1, based on a DoDAF (department of Defense Architecture framework) Architecture theory, designing an Architecture of a remote sensing satellite for imaging a fixed target point;
step 2, constructing a system simulation environment by using STK software, and setting a fixed target point and a satellite model;
step 3, performing interactive joint simulation on the fixed target point imaging task scene based on a system architecture and a system simulation environment;
and 4, evaluating the system contribution rate of the remote sensing satellite to the imaging of the fixed target point.
In the step 1, a DoDAF architecture theory is adopted, and aiming at a task flow of imaging a fixed target point by a remote sensing satellite: source monitoring, search discovery, identification confirmation, tracking monitoring, target indication, attack evaluation and the like, and modeling of a Capability View (CV), an Operation View (OV), a Service View (SV) and a System View (SV) is respectively carried out.
In the step 2, a large-sample fixed target point modeling tool is used for importing fixed target points in batches into the area of interest and attaching fixed target point attribute information; modeling satellites participating in fixed target point detection, wherein the modeling comprises satellite orbit parameters, load detection capacity, working modes and the like; and simultaneously, modeling is carried out on a relay satellite, a data transmission station, a measurement and control station and the like.
In the step 3, the interaction event of the architecture and the simulation environment is transmitted through the customized development program, the interaction mode is event information transmission, the collaborative simulation of the architecture model and the task scene model is realized, and data such as the event at each time is stored.
In the step 4, system contribution rate evaluation is performed mainly from the aspects of time interval between target point discovery and recognition, target point imaging update time, time required for imaging all target points once and the like, starting from a fixed target point detection task.
Those skilled in the art will appreciate that, in addition to implementing the systems, apparatus, and various modules thereof provided by the present invention in purely computer readable program code, the same procedures can be implemented entirely by logically programming method steps such that the systems, apparatus, and various modules thereof are provided in the form of logic gates, switches, application specific integrated circuits, programmable logic controllers, embedded microcontrollers and the like. Therefore, the system, the device and the modules thereof provided by the present invention can be considered as a hardware component, and the modules included in the system, the device and the modules thereof for implementing various programs can also be considered as structures in the hardware component; modules for performing various functions may also be considered to be both software programs for performing the methods and structures within hardware components.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (10)
1. A system contribution rate evaluation method of a remote sensing satellite for imaging of a fixed target point is characterized by comprising the following steps:
the system construction step: constructing a system architecture of the remote sensing satellite for imaging the fixed target point;
building a system simulation environment: constructing a system simulation environment according to STK software, and setting a fixed target point and a satellite model;
a combined simulation step: carrying out interactive joint simulation according to the system architecture and the system simulation environment;
an evaluation step: and evaluating the system contribution rate of the remote sensing satellite to imaging of the fixed target point.
2. The method of claim 1, wherein the system construction step comprises: modeling a capability view, an operation view, a service view and a system view according to a DODAF architecture theory;
the task flow of the remote sensing satellite imaging the fixed target point comprises the following steps: discovery, identification, and description.
3. The method for evaluating the systematic contribution rate of remote sensing satellites to imaging of a fixed target point according to claim 1, wherein the step of constructing a systematic simulation environment comprises: leading in a batch fixed target point into a preset area, wherein the fixed target point comprises fixed target point attribute information;
modeling a satellite participating in fixed target point detection, wherein the satellite comprises satellite orbit parameters, load detection capacity and a working mode;
and modeling the relay satellite, the data transmission station and the measurement and control station.
4. The method for assessing the systematic contribution of a remote sensing satellite to imaging of a fixed target point as claimed in claim 1, wherein said step of co-simulation comprises: and carrying out interaction events on the system architecture and the simulation environment, wherein the interaction mode is to transmit event information and store the event information at each time.
5. The method of claim 1, wherein the step of evaluating comprises: and carrying out system contribution rate evaluation, wherein the evaluation object comprises: the target point finding and identifying time interval, the target point imaging updating time and the time required by imaging all the target points once.
6. A system contribution rate evaluation system of a remote sensing satellite for imaging a fixed target point is characterized by comprising:
a system construction module: constructing a system architecture of the remote sensing satellite for imaging the fixed target point;
constructing a system simulation environment module: constructing a system simulation environment according to STK software, and setting a fixed target point and a satellite model;
a combined simulation module: carrying out interactive joint simulation according to the system architecture and the system simulation environment;
an evaluation module: and evaluating the system contribution rate of the remote sensing satellite to imaging of the fixed target point.
7. The system for assessing the systematic contribution of a remote sensing satellite to imaging of a fixed target point of claim 6, wherein said architecture module comprises: modeling a capability view, an operation view, a service view and a system view according to a DODAF architecture theory;
the task flow of the remote sensing satellite imaging the fixed target point comprises the following steps: discovery, identification, and description.
8. The system for assessing the systematic contribution rate of a remote sensing satellite to imaging of a fixed target point of claim 6, wherein said building the systematic simulation environment module comprises: leading in a batch fixed target point into a preset area, wherein the fixed target point comprises fixed target point attribute information;
modeling a satellite participating in fixed target point detection, wherein the satellite comprises satellite orbit parameters, load detection capacity and a working mode;
and modeling the relay satellite, the data transmission station and the measurement and control station.
9. The system contribution rate evaluation system of remote sensing satellites for imaging of a fixed target point according to claim 6, wherein the joint simulation module comprises: and carrying out interaction events on the system architecture and the simulation environment, wherein the interaction mode is to transmit event information and store the event information at each time.
10. The system contribution rate evaluation system of remote sensing satellites to imaging of a fixed target point of claim 6, wherein the evaluation module comprises: and carrying out system contribution rate evaluation, wherein the evaluation object comprises: the target point finding and identifying time interval, the target point imaging updating time and the time required by imaging all the target points once.
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