CN101813769B - Marine radar detection system and detection method thereof - Google Patents
Marine radar detection system and detection method thereof Download PDFInfo
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- CN101813769B CN101813769B CN2010101547794A CN201010154779A CN101813769B CN 101813769 B CN101813769 B CN 101813769B CN 2010101547794 A CN2010101547794 A CN 2010101547794A CN 201010154779 A CN201010154779 A CN 201010154779A CN 101813769 B CN101813769 B CN 101813769B
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Abstract
The invention discloses a marine radar detection system and a detection method thereof. The system comprises a radar antenna, a radar receiver, a radar transmitter and an ARPA (Advanced Research Projects Agency) radar terminal. The radar transmitter receives a control instruction and outputs state detection data; the radar receiver receives the control instruction and outputs the state detection data; and the ARPA radar terminal is provided with self-adaptive detection processing and control software and transmits a working state setting instruction to a filter for single detection and target track processing in the radar transmitter, the radar receiver and the ARPA radar terminal. The method comprises the steps of land and shoreline detection, echo character parameter calculation, the detection and tracking interaction of a correlative filter, target quality parameter evaluation and radar self-adaptive control. Aiming at a target with different characteristics, the invention acquires the integrated optimization of the detection performance and the resolution performance as well as the detection performance and the tracking performance and forms a self-adaptive marine radar detection system facing to the target.
Description
Technical field
The present invention relates to the marine radar technical field, particularly a kind of marine radar detection system and detection method thereof.
Background technology
Marine radar is the basic guarantee means of navigation safety.In the use of marine radar, according to the setting of range setting and working status parameter, the detection performance of radar can corresponding as requested change.These can adjust the working status parameter that can be provided with: the pulse width of radar signal and pulse repetition rate, gain and bandwidth that signal receives, the parameter setting that various input are handled and target following is handled in the ARPA radar terminal.The quality of radar observation performance depends on these working status parameter; But these working status parameter of present marine radar; All targets in the observing environment around the radar all are identical; The characteristic that does not have differentiation ground response different target is not carried out comprehensive optimization to detecting performance and resolution performance with detection performance and tracking performance yet.Therefore, the performance of marine radar adjustment at present can only be considered total general requirement, maybe can only consider to adapt to the observation requirement of part target, and the detection performance of radar is not given full play of like this.
Technical progress along with marine radar; The embedding of the further modularization of radar transceiver, the further computerize of ARPA radar terminal, FPGA/DSP provides more strong signal processing platform; Make the standardization more of ARPA radar system, software implementation, universalization; Have more opening, these all make ARPA marine radar system have stronger information processing capability and control ability flexibly.
Summary of the invention
For solving the problems referred to above that prior art exists; The objective of the invention is to propose a kind of object-oriented and marine radar detection system and detection method with adaptive ability; To improve the target detection performance of marine radar, give full play to the security effectiveness of marine radar.
To achieve these goals; Technical scheme of the present invention is following: a kind of marine radar detection system; Comprise radar antenna, radar receiver, radar transmitter and ARPA radar terminal; Described radar antenna is connected with radar receiver, radar transmitter respectively through transmit-receive switch, and described ARPA radar terminal is connected with radar receiver, radar transmitter and radar antenna respectively through signal cable; Described radar transmitter has data transmission interface, can receive steering order, can outputs state detection data; Described radar receiver has data transmission interface, can receive steering order, can outputs state detection data; Described ARPA radar terminal has self-adaptive detection and handles and Control Software, can send duty to the wave filter of input in radar transmitter, radar receiver and the ARPA radar terminal and target following processing instruction is set.
Radar transmitter of the present invention has data transmission interface, handles the instruction of sending with Control Software according to the self-adaptive detection of ARPA radar terminal, changes the pulse width and the recurrent interval that transmit; Described radar receiver has data transmission interface, handles the instruction of sending with Control Software according to the self-adaptive detection of ARPA radar terminal, changes gain and bandwidth that signal receives; It is that echoing characteristics is analyzed, calculated the echo character parameter, adopts based on detecting and following the tracks of that mutual correlation filter is realized tracking processing, the evaluating target mass parameter of detection processing and the target of signal, the duty of setting up object-oriented radar transmitter, radar receiver and ARPA radar terminal is provided with instruction that the self-adaptive detection of described radar terminal is handled function with Control Software.
A kind of detection method of marine radar detection system may further comprise the steps:
A, land and water front detect: the self-adaptive detection of ARPA radar terminal is handled with Control Software the identification that overgauge echo carries out land and water front is handled; Survey the environmental characteristics and the investigative range in waters around confirming, with shielding land return and the suitable pulse repetition rate of decision;
B, echo character calculation of parameter: the self-adaptive detection processing of ARPA radar terminal and Control Software provide the characteristic ginseng value of echo, with the multiple-pulse composite sequence of confirming that radar transmitter should be taked on this echo bearing to the echo less than given size;
C, detect and follow the tracks of the optimization of mutual filtering: the self-adaptive detection of ARPA radar terminal handle with the control The software adopted based on detecting and following the tracks of mutual correlation filter; Utilize the mutual filtering of relevant accumulation detection of multiple-pulse CFAR and the correlation tracking of multiple spot mark; Realize the detection processing of signal and the tracking processing of target, and provide the detected state parameter and the tracking mode parameter of target; Based on echo character parameter and target following state parameter, handle under the control with the radar self-adaption controller of control software at the self-adaptive detection of ARPA radar terminal, detect and follow the tracks of the optimization of mutual filtering through feedback;
D, target quality parameter evaluation: the self-adaptive detection processing of ARPA radar terminal and control software are based on the input state parameter and the target following state parameter that provide based on detection and the mutual correlation filter of tracking; Carry out the parametrization evaluation of aimed quality, provide target quality parameter;
E, radar self-adaption control: the self-adaptive detection processing of ARPA radar terminal and the radar self-adaption controller of Control Software are confirmed the shielding area and the process range of signal Processing according to the result of land and water front detection; According to echo character parameter and target quality parameter, control is based on detecting and the parameter of following the tracks of mutual correlation filter; According to echo character parameter and target quality parameter, the Signal Matching of the array mode of the multipulse sequence of control radar transmitter and the gain of radar receiver and bandwidth receives.
Steps A of the present invention, the described given size of B are 600 to 1000 meters, can be provided with as requested.
Compared with prior art, the present invention has following beneficial effect:
1, the detection performance of marine radar depends on the setting of ARPA radar terminal duty; Preset the working status parameter adjustment of being done according to range setting and state parameter; ARPA radar terminal duty can only be generally adjusted, and the different echoing characteristicss of each objectives can not be adapted to.Because the present invention is according to the analysis of each different target echoing characteristics; Land or water front echo, the far and near different target echoes such as boats and ships of size are set up characteristic parameter; To the given target quality parameter of echo through input and target following processing; On this target azimuth, confirm that the multipulse sequence array mode of radar target acquisition and ARPA radar terminal detect and the filtering parameter of following the tracks of correlation filter thus.The resolution performance that the burst pulse of radar emission signal is convenient to obtain; Broad pulse and high pulse repetition frequency help improving detectability; The multiple-pulse that has nothing in common with each other with pulse width and recurrent interval constitutes the combined detection sequence that transmits; With target acquisition detection performance and the resolution performance and the complex optimum that detect performance and tracking performance of different multiple-pulse array modes, constitute object-oriented self-adaptation marine radar detection system to different qualities.
2, because the present invention has taked result object-oriented, that follow the tracks of according to target property and target detection; The parameter of Filtering Processing in adjustment radar transceiver state and the ARPA radar terminal; Therefore the present invention can be to concrete different target; Between the resolving power and precision of target detection performance and target measurement, between the tracking performance of target detection performance and target, obtain complex optimum.Present marine radar or rely on broad pulse to improve detection performance and reduce the resolving power and the precision of measurement; Or the resolving power that relies on burst pulse to improve to measure and precision and reduce detection performance; Do not respond the differential characteristic of target; Simultaneously also do not consider the interactivity between input and the target following, the present invention has then overcome this limitation.
3, the basic task of radar is to find target and measurement target, and the key property of radar depends on the echoed signal quality of target, and the signal quality of target depends on the background characteristics of target echo characteristic and noise jamming.The present invention has adopted goal-oriented method; To being in the target in the noise jamming; From the echo character parameter of target to detecting and following the tracks of the target quality parameter of evaluating after the mutual filtering; The Evaluation Mechanism of based target is set up adaptive FEEDBACK CONTROL in the mutual Filtering Processing of the state setting of radar transceiver and input and tracking, seek the detection performance of COMPREHENSIVE OPTIMAL.The transceiver state of marine radar is confirmed according to being provided with at present; Not to change with the different of clutter background according to target; The wave filter that is adopted in the processing of input and tracking is also preset often, lack flexible adaptability, and the present invention has overcome this limitation.
Description of drawings
2 in the total accompanying drawing of the present invention, wherein:
Fig. 1 is the composition frame chart of marine radar detection system.
Fig. 2 is the flow chart of the detection method of marine radar detection system.
Among the figure: 1, radar antenna, 2, radar receiver, 3, radar transmitter, 4, the ARPA radar terminal, 5, transmit-receive switch.
Embodiment
Below in conjunction with accompanying drawing the present invention is described further.
As shown in Figure 1; A kind of marine radar detection system; Comprise radar antenna 1, radar receiver 2, radar transmitter 3 and ARPA radar terminal 4; Described radar antenna 1 is connected with radar receiver 2, radar transmitter 3 respectively through transmit-receive switch 5, and described ARPA radar terminal 4 is connected with radar receiver 2, radar transmitter 3 and radar antenna 1 respectively through signal cable; Described radar transmitter 3 has data transmission interface, can receive steering order, can outputs state detection data; Described radar receiver 2 has data transmission interface, can receive steering order, can outputs state detection data; Described ARPA radar terminal 4 has self-adaptive detection and handles and Control Software, can send duty to the wave filter of input in radar transmitter 3, radar receiver 2 and the ARPA radar terminal 4 and target following processing instruction is set.Described radar transmitter 3 has data transmission interface, and the instruction according to the detection and processing and the Control Software of ARPA radar terminal 4 are sent changes the pulse width and the recurrent interval that transmit; Described radar receiver 2 has data transmission interface, handles the instruction of sending with Control Software according to the self-adaptive detection of ARPA radar terminal 4, changes gain and bandwidth that signal receives; It is that echoing characteristics is analyzed, calculated the echo character parameter, adopts based on detecting and following the tracks of that mutual correlation filter is realized tracking processing, the evaluating target mass parameter of detection processing and the target of signal, the duty of setting up object-oriented radar transmitter 3, radar receiver 2 and ARPA radar terminal 4 is provided with instruction that the self-adaptive detection of described radar terminal is handled function with Control Software.
As shown in Figure 2, a kind of detection method of marine radar detection system may further comprise the steps:
A, land and water front detect: the self-adaptive detection of ARPA radar terminal 4 is handled with Control Software the identification that overgauge echo carries out land and water front is handled; Survey the environmental characteristics and the investigative range in waters around confirming, with shielding land return and the suitable pulse repetition rate of decision;
B, echo character calculation of parameter: the self-adaptive detection processing of ARPA radar terminal 4 and Control Software provide the characteristic ginseng value of echo, with the multiple-pulse composite sequence of confirming that radar transmitter 3 should be taked on this echo bearing to the echo less than given size;
C, detect and follow the tracks of the optimization of mutual filtering: the self-adaptive detection of ARPA radar terminal 4 handle with the control The software adopted based on detecting and following the tracks of mutual correlation filter; Utilize the mutual filtering of relevant accumulation detection of multiple-pulse CFAR and the correlation tracking of multiple spot mark; Realize the detection processing of signal and the tracking processing of target, and provide the detected state parameter and the tracking mode parameter of target; Based on echo character parameter and target following state parameter, handle under the control with the radar self-adaption controller of control software at the self-adaptive detection of ARPA radar terminal 4, detect and follow the tracks of the optimization of mutual filtering through feedback;
D, target quality parameter evaluation: the self-adaptive detection processing of ARPA radar terminal 4 and control software are based on the input state parameter and the target following state parameter that provide based on detection and the mutual correlation filter of tracking; Carry out the parametrization evaluation of aimed quality, provide target quality parameter;
E, radar self-adaption control: the self-adaptive detection processing of ARPA radar terminal 4 and the radar self-adaption controller of Control Software are confirmed the shielding area and the process range of signal Processing according to the result of land and water front detection; According to echo character parameter and target quality parameter, control is based on detecting and the parameter of following the tracks of mutual correlation filter; According to echo character parameter and target quality parameter, the gain of the array mode of the multipulse sequence of control radar transmitter 3 and radar receiver 2 and the Signal Matching of bandwidth receive.
Steps A of the present invention, the described given size of B are 600 to 1000 meters, can be provided with as requested.
Claims (4)
1. marine radar detection system; Comprise radar antenna (1), radar receiver (2), radar transmitter (3) and ARPA radar terminal (4); Described radar antenna (1) is connected with radar receiver (2), radar transmitter (3) respectively through transmit-receive switch (5), and described ARPA radar terminal (4) is connected with radar receiver (2), radar transmitter (3) and radar antenna (1) respectively through signal cable; It is characterized in that: described radar transmitter (3), have data transmission interface, can receive steering order, can outputs state detection data; Described radar receiver (2) has data transmission interface, can receive steering order, can outputs state detection data; Described ARPA radar terminal (4) has that self-adaptive detection is handled and Control Software, can be in radar transmitter (3), radar receiver (2) and ARPA radar terminal (4) send duty with the mutual correlation filter of tracking instruction be set based on detecting.
2. a kind of marine radar detection system according to claim 1; It is characterized in that: described radar transmitter (3); Have data transmission interface; Self-adaptive detection according to ARPA radar terminal (4) is handled the instruction of sending with Control Software, changes the pulse width and the recurrent interval that transmit; Described radar receiver (2) has data transmission interface, handles the instruction of sending with Control Software according to the self-adaptive detection of ARPA radar terminal (4), changes gain and bandwidth that signal receives; It is that echoing characteristics is analyzed, calculated the echo character parameter, adopts based on detecting and following the tracks of that mutual correlation filter is realized tracking processing, the evaluating target mass parameter of detection processing and the target of signal, the duty of setting up object-oriented radar transmitter (3), radar receiver (2) and ARPA radar terminal (4) is provided with instruction that the self-adaptive detection of described radar terminal is handled function with Control Software.
3. the detection method of a marine radar detection system is characterized in that: may further comprise the steps:
A, land and water front detect: the self-adaptive detection of ARPA radar terminal (4) is handled with Control Software the identification that overgauge echo carries out land and water front is handled; Survey the environmental characteristics and the investigative range in waters around confirming, with shielding land return and the suitable pulse repetition rate of decision;
B, echo character calculation of parameter: the self-adaptive detection processing of ARPA radar terminal (4) and Control Software are to the echo less than given size; Provide the characteristic ginseng value of echo, with the multiple-pulse composite sequence of confirming that radar transmitter on this echo bearing (3) should be taked;
C, detect and follow the tracks of the optimization of mutual filtering: the self-adaptive detection of ARPA radar terminal (4) handle with the control The software adopted based on detecting and following the tracks of mutual correlation filter; Utilize the mutual filtering of relevant accumulation detection of multiple-pulse CFAR and the correlation tracking of multiple spot mark; Realize the detection processing of signal and the tracking processing of target, and provide the detected state parameter and the tracking mode parameter of target; Based on echo character parameter and target following state parameter, handle under the control with the radar self-adaption controller of control software at the self-adaptive detection of ARPA radar terminal (4), detect and follow the tracks of the optimization of mutual filtering through feedback;
D, target quality parameter evaluation: the self-adaptive detection processing of ARPA radar terminal (4) and control software are based on the input state parameter and the target following state parameter that provide based on detection and the mutual correlation filter of tracking; Carry out the parametrization evaluation of aimed quality, provide target quality parameter;
E, radar self-adaption control: the self-adaptive detection processing of ARPA radar terminal (4) and the radar self-adaption controller of Control Software are confirmed the shielding area and the process range of signal Processing according to the result of land and water front detection; According to echo character parameter and target quality parameter, control is based on detecting and the parameter of following the tracks of mutual correlation filter; According to echo character parameter and target quality parameter, the gain of the array mode of the multipulse sequence of control radar transmitter (3) and radar receiver (2) and the Signal Matching of bandwidth receive.
4. the detection method of a kind of marine radar detection system according to claim 3 is characterized in that: steps A, the described given size of B are 600 to 1000 meters, can be provided with as requested.
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| CN102854503A (en) * | 2011-06-27 | 2013-01-02 | 镇江光宁航海电子科技有限公司 | Sea area monitoring system applied to border defense and based on digital marine radar technology |
| CN105388472B (en) * | 2015-11-20 | 2018-02-13 | 中国电子科技集团公司第二十八研究所 | One kind is to the method for tracking target that is overlapping in extra large radar system |
| CN105572670A (en) * | 2015-12-11 | 2016-05-11 | 无锡市雷华科技有限公司 | Flying bird detection radar system |
| CN106680805B (en) * | 2016-12-30 | 2019-04-19 | 零八一电子集团有限公司 | Adaptive strain waveform tracking mesh calibration method |
| CN109541604B (en) * | 2018-12-17 | 2023-10-03 | 北京无线电测量研究所 | Millimeter wave weather radar detection method, device and system |
| CN109738888B (en) * | 2018-12-19 | 2023-09-08 | 柳毅 | Cognitive intra-pulse linear frequency modulation pulse compression navigation radar system |
| CN112462335B (en) * | 2021-01-26 | 2021-05-18 | 四川写正智能科技有限公司 | Multifunctional 3D radar transceiver and operation method |
| CN113341407B (en) * | 2021-06-02 | 2024-02-06 | 中国水产科学研究院南海水产研究所 | Fishery fishing tracking system and method based on radar detection |
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| GB2380627A (en) * | 2001-04-06 | 2003-04-09 | Furuno Electric Co | Radar apparatus having a supervised target enlargement display |
| CN101377546A (en) * | 2007-08-31 | 2009-03-04 | 古野电气株式会社 | Radar apparatus and the like |
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