CN109324527B - Radar resource management method based on aerospace, geodetic and marine information network support - Google Patents
Radar resource management method based on aerospace, geodetic and marine information network support Download PDFInfo
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- CN109324527B CN109324527B CN201811023647.0A CN201811023647A CN109324527B CN 109324527 B CN109324527 B CN 109324527B CN 201811023647 A CN201811023647 A CN 201811023647A CN 109324527 B CN109324527 B CN 109324527B
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Abstract
The invention discloses a radar resource management method based on aerospace, geodetic and marine information network support, which is used for solving the technical problem of poor practicability of the conventional radar resource management method. The technical scheme is that in the stages of taking off, guiding and searching the air condition, the fire control radar is placed in an electromagnetic silent state so as to reduce the active working time of the radar; in the task handover and attack planning stage, the tasks are jointly undertaken by the radar and the comprehensive network information platform; when the air condition is handed over, the target air condition data is directly handed over and fused with the radar data due to the fact that the target air condition data is acquired, and therefore the radar sampling rate is reduced; in the attack preparation and attack stages, target state information is known from shared empty information, so that the sampling rate is obviously reduced; meanwhile, the command center manages and controls the target distribution right, and for the fire control radar, the method is equivalent to the attack on a single target. The invention fully utilizes the air situation and the target characteristics provided by the air, space, earth and sea information network, and achieves the effects of improving the fire control power of the radar and reducing the intercepted probability.
Description
Technical Field
The invention relates to a radar resource management method, in particular to a radar resource management method based on aerospace, geodetic and marine information network support.
Background
Conventionally, the working process of the attack fire control radar of the multiple targets of the warplane comprises the steps of taking off, guiding, searching in the air, tracking the targets, making an attack plan, preparing for the attack, attacking and quitting the attack. Obviously, in the battle mode, the radar needs to track all targets, transmit radio correction instructions to the launched missiles and search and monitor related airspaces, so that the implementation of the fire control radar on the accurate target hitting mission is influenced, and the probability of radar interception is obviously increased. In modern wars, it is common practice to manage and control the transmitted power, i.e., average and peak power, in order for a radar to detect a target while not being detected by RWR receivers (located within the main beam of the radar) mounted on the target aircraft. The literature "research on phased array radar LPI search method, fire and command control, 2016, 41(10): 1813-: the phased array has the characteristics of flexible multi-beam pointing, dynamic and controllable parameters and the like, and can enable the working performance of the system to be optimal by reasonably configuring working parameters. The document 'optimization of detection parameters of airborne phased array radar, report of instruments and meters, 2012, 33(11):2488 and 2494' researches the optimization problem of search parameters of phased array radar based on pulse peak power and residence time. The literature' research on optimal search performance of phased array radar when resources are limited, system engineering and electronic technology, 2004, 26(10): 1388-. However, these articles focus on the problem of how to fully utilize the resources of the individual radar systems themselves, and still stay in the "point-to-point" battle mode, and there is a large deviation from the "face-to-face" mode of the future networked air battle.
Disclosure of Invention
In order to overcome the defect that the existing radar resource management method is poor in practicability, the invention provides a radar resource management method based on aerospace, geodetic and marine information network support. In the method, in the stages of taking off, guiding and searching the air condition, the fire control radar is placed in an electromagnetic silent state so as to reduce the active working time of the radar; in the task handover and attack planning stage, the tasks are jointly undertaken by the radar and the comprehensive network information platform; when the air condition is handed over, the target air condition data is directly handed over and fused with the radar data due to the fact that the target air condition data is acquired, and therefore the radar sampling rate is reduced; in the attack preparation and attack stages, target state information is known from shared empty information, so that the sampling rate is obviously reduced; meanwhile, the command center controls the target distribution right, so that for the fire control radar, the single target attack is equivalent, the workload of the fire control radar and the fire control computer is simplified, and the fighting capacity of the fighter is improved. The invention fully utilizes the air situation and the target characteristics provided by the air-space-earth-sea information network, simplifies and adjusts the radar working time sequence on the premise of meeting the combat demand, saves the precious radar resources, and achieves the effects of improving the fire control power of the radar and reducing the intercepted probability.
The technical scheme adopted by the invention for solving the technical problems is as follows: a radar resource management method based on aerospace, geodetic and marine information network support is characterized by comprising the following steps:
step one, in the taking-off and guiding stages, the fire control radar is placed in an electromagnetic silent state so as to reduce the active working time of the radar; the air, space, ground and sea integrated comprehensive network information platform performs track fusion and identification according to detection information of each sub-platform, acquires target information of fire control level and comprehensive situation information of a war zone, completes cooperative attack decision, and simultaneously realizes information sharing of various information detection devices and battle platforms such as battle fighters in the battle zone.
In the air condition searching stage, due to the information sharing performance of the combat area, the situation of the enemy and my is transparent, and after the fighter plane enters the combat area, the fire control radar is still in an electromagnetic silent state without paying attention to searching and early warning tasks; the command center manages and controls target distribution rights, searches targets based on the air information provided by the air, space, earth and sea integrated comprehensive network information platform, and assigns attack targets to each operation platform one by one.
Step three, in the task handover and attack planning stage, the task is jointly undertaken by the radar and the comprehensive network information platform; when the air condition is handed over, the target air condition data is acquired and directly handed over and fused with the radar data, the radar sampling rate is reduced on the premise that the target tracking precision and the weapon control effect are not reduced, and then target tracking and missile guidance are automatically completed by a fighter fire control radar.
Step four, in the attack preparation and attack stages, the radar bears the same task as the conventional fire control radar, but the sampling rate is obviously reduced because the target state information is known from the shared empty information; meanwhile, the command center controls the target distribution right, so that for the fire control radar, the single target attack is equivalent, and the workload of the fire control radar and the fire control computer is simplified.
The invention has the beneficial effects that: in the method, in the stages of taking off, guiding and searching the air condition, the fire control radar is placed in an electromagnetic silent state so as to reduce the active working time of the radar; in the task handover and attack planning stage, the tasks are jointly undertaken by the radar and the comprehensive network information platform; when the air condition is handed over, the target air condition data is directly handed over and fused with the radar data due to the fact that the target air condition data is acquired, and therefore the radar sampling rate is reduced; in the attack preparation and attack stages, target state information is known from shared empty information, so that the sampling rate is obviously reduced; meanwhile, the command center controls the target distribution right, so that for the fire control radar, the single target attack is equivalent, the workload of the fire control radar and the fire control computer is simplified, and the fighting capacity of the fighter is improved. The invention fully utilizes the air situation and the target characteristics provided by the air-space-earth-sea information network, simplifies and adjusts the radar working time sequence on the premise of meeting the combat demand, saves the precious radar resources, and achieves the effects of improving the fire control power of the radar and reducing the intercepted probability.
When the adjusted radar working mode is adopted, the information sharing performance of a working area is realized due to the integrated network information platform, the hostile situation is transparent, after a fighter enters the working area, the fire control radar does not need to pay attention to searching and early warning tasks, and only information handover, tracking, weapon emission and guidance tasks need to be completed, so that the fire control radar cancels the air search time of 5.6ms of each channel, thus each channel is reduced from the original 26 beats to 18 beats on the premise of not changing the originally planned radar working period and beat number, the original 6 target channels can be increased to 8 channels, the original radar tracking capacity is improved by 30%, the working capacity of the radar is improved, and the LPI performance of the radar is obviously improved due to the fact that the radiation energy of the radar is reduced by 5.6ms/109.2ms to 31%.
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Drawings
FIG. 1 shows the fire control radar working mode based on the air condition support in the method of the present invention.
FIG. 2 is a diagram illustrating a method for supporting radar timing change based on space-sky-ground information.
Detailed Description
Reference is made to fig. 1-2. The invention relates to a radar resource management method based on aerospace, geodetic and marine information network support, which comprises the following specific steps:
conventionally, the working process of the attack fire control radar of the multiple targets of the warplane comprises the steps of taking off, guiding, searching in the air, tracking the targets, making an attack plan, preparing for the attack, attacking and quitting the attack. Obviously, in the battle mode, the radar needs to track all targets, transmit radio correction instructions to the launched missiles and search and monitor related airspaces, so that the implementation of the fire control radar on the accurate target hitting mission is influenced, and the probability of radar interception is obviously increased.
Aiming at an advanced RWR interception receiver system and a combat environment with an air, sky and sea integrated information network support, the invention adjusts the original fire control rule and the radar working time sequence, thereby not only reducing the radar transmitting power and improving the stealth performance, but also increasing the target channel number of the radar, leading more controllable missiles and stronger combat capability.
Referring to fig. 1, the upper half 5 functional modules in the figure show the functional links necessary for completing one attack task. In the former 'one-to-one' attack mode, because of no complete empty support, the information acquisition in 5 functional modules is all undertaken by a fire control radar. The specific implementation mode of the fire control radar working mode based on the air condition support comprises the following steps:
step one, in the taking-off and guiding stages, the fire control radar is in an electromagnetic silent state so as to reduce the active working time of the radar; the air, space, ground and sea integrated comprehensive network information platform performs track fusion and identification according to detection information of each sub-platform, acquires target information of fire control level and comprehensive situation information of a war zone, completes cooperative attack decision, and simultaneously realizes information sharing of various information detection devices, fighters and other combat platforms in the combat zone.
In the air condition searching stage, due to the information sharing performance of the combat area, the situation of the enemy and my is transparent, and after the fighter plane enters the combat area, the fire control radar is still in an electromagnetic silent state without paying attention to searching and early warning tasks; the command center manages and controls target distribution rights, searches targets based on the air information provided by the air, space, earth and sea integrated comprehensive network information platform, and assigns attack targets to each operation platform one by one.
Step three, in the task handover and attack planning stage, the task is jointly undertaken by the radar and the comprehensive network information platform; during air condition handover, target air condition data are acquired and can be directly handed over and fused with radar data, the radar sampling rate (or called PRF) is reduced on the premise of not reducing the target tracking precision and the weapon control effect, and then target tracking and missile guidance are automatically completed by a fighter fire control radar; meanwhile, the attacked targets are assigned one by the command center, and the fire control mode of the aerial carrier can be set to a single-target attack state.
In the attack preparation and attack stages, the radar bears the same tasks as the conventional fire control radar, but the sampling rate can be obviously reduced because the target state information is known from the shared empty information; meanwhile, the command center controls the target distribution right, so that for the fire control radar, the single target attack is equivalent, the workload of the fire control radar and the fire control computer is simplified, and the fighting capacity of the fighter is improved. For the weapon with the 'no matter after launching' function, the whole-course guidance function is not needed.
Referring to fig. 2, fig. 2(a) shows a typical operating sequence of a fire radar, which completes one cycle of its assigned tasks in one operating period, where one operating period T is 109.2ms, and is divided into 156 operating beats, each beat being 0.7 ms. The radar can simultaneously track 6 batches of targets in one period, each batch of targets occupies 26 beats in a channel time of T (i) ═ T/6 ═ 18.2ms, wherein a part shaded by oblique lines (noted as 5.6ms) is a fixed null search time, and unless a channel launches a missile, the null search mission must be executed in any case, and the number of times of execution in one period is 6, and the total number of times of execution is 33.6 ms. Fig. 2(b) is the adjusted radar working mode, because the integrated network information platform makes the information sharing of the combat area, the enemy situation is transparent, when the fighter enters the combat area, the fire control radar does not need to pay attention to the search and early warning tasks, and only needs to complete the information handover, tracking, weapon launching and guidance tasks, so the fire control radar cancels the air search time of 5.6ms for each channel, thus each channel is reduced from the original 26 beats to 18 beats on the premise of not changing the originally planned radar working period and beat number, the original 6 target channels can be increased to 8 channels, the original radar tracking ability is improved by 30%, the combat ability of the radar is improved, and because the radiation energy of the radar is reduced by about 5.6ms/109.2ms to 31%, the LPI performance of the radar is also obviously improved.
Claims (1)
1. A radar resource management method based on aerospace, geodetic and marine information network support is characterized by comprising the following steps:
step one, in the taking-off and guiding stages, the fire control radar is placed in an electromagnetic silent state so as to reduce the active working time of the radar; the air, space, ground and sea integrated comprehensive network information platform performs track fusion and identification according to detection information of each sub-platform, acquires fire control level target information and war zone comprehensive situation information, completes cooperative attack decision making, and simultaneously realizes information sharing of various information detection devices and war platforms such as fighters in the war zone;
in the air condition searching stage, due to the information sharing performance of the combat area, the situation of the enemy and my is transparent, and after the fighter plane enters the combat area, the fire control radar is still in an electromagnetic silent state without paying attention to searching and early warning tasks; the command center controls the target distribution right, searches targets based on the air information provided by the air, space, earth and sea integrated comprehensive network information platform, and assigns attack targets to each operation platform one by one;
step three, in the task handover and attack planning stage, the tasks are jointly undertaken by the radar and the air, space, earth and sea integrated comprehensive network information platform; during air condition handover, target air condition data are acquired and directly handed over and fused with radar data, the radar sampling rate is reduced on the premise that the target tracking precision and the weapon control effect are not reduced, and then target tracking and missile guidance are automatically completed by a fighter fire control radar;
step four, in the attack preparation and attack stages, the radar bears the same task as the conventional fire control radar, but the sampling rate is obviously reduced because the target state information is known from the shared empty information; meanwhile, the command center controls the target distribution right, so that for the fire control radar, the single target attack is equivalent, and the workload of the fire control radar and the fire control computer is simplified.
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| CN107292014A (en) * | 2017-06-15 | 2017-10-24 | 北京航空航天大学 | A kind of method of the qualitative assessment radar station guidance capability based on Monte Carlo simulation |
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| IT1399129B1 (en) * | 2010-04-01 | 2013-04-05 | Paoletti | MODULAR ADAPTIVE SURVEILLANCE SYSTEM FOR MEANS PERSONAL STRUCTURES |
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|---|---|---|---|---|
| CN102707276A (en) * | 2012-05-23 | 2012-10-03 | 中国人民解放军海军航空工程学院 | Automatic identification system (AIS) and radar track robust association algorithm based on target topological information |
| CN202710990U (en) * | 2012-08-16 | 2013-01-30 | 中国电子科技集团公司第三十八研究所 | Airborne radar monitoring system based on CPCI bus |
| CN104101873A (en) * | 2014-06-29 | 2014-10-15 | 西北工业大学 | Weighted average strategy-based distributed radar network multi-target positioning method |
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