CN101625243A - Ship navigation system - Google Patents
Ship navigation system Download PDFInfo
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- CN101625243A CN101625243A CN200910090317A CN200910090317A CN101625243A CN 101625243 A CN101625243 A CN 101625243A CN 200910090317 A CN200910090317 A CN 200910090317A CN 200910090317 A CN200910090317 A CN 200910090317A CN 101625243 A CN101625243 A CN 101625243A
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Abstract
The invention provides a ship navigation system which comprises an antenna module and a display module, wherein the antenna module is used for transmitting a radio pulse, receiving an echo wave transmitted by the radio pulse from a physical object at the periphery of a ship and processing the echo wave to obtain a video signal; and the display module is used for displaying the video signal, controlling the antenna module and realizing the automatic capture of the physical object by the video signal. The invention overcomes the problems of worse accuracy caused by manually finishing object capture by a navigation radar system for the ship in the prior art.
Description
Technical field
The present invention relates to field of traffic, in particular to a kind of marine navigator.
Background technology
Marine navigation radar also claims marine radar, is loaded on the ship, is to measure this ship position and the indispensable system of prevention collision accident.Marine navigation radar is by accurately catching thing target positional informations such as other ship, land, course beacon, and its mode that is presented at display screen realized navigating by water dodge, the effect of ship's fix and pilotage.
In the prior art, the marine navigation radar system comprises the indicator system unit, and antenna and transceiver unit.In antenna and transceiver unit, modulator produces high voltage pulse control magnetron, and it is the microwave pulse of 9.4GHz that magnetron produces the rectangle frequency, sends pulse and arrives the slotted waveguide tube antenna by microwave circulator, the microwave beam of being launched concentrates on a direction, and rotates with antenna.The echo of target on every side that antenna is received enters high-frequency receiver by microwave circulator.High-frequency receiver is converted to the 60MHz intermediate-freuqncy signal with the 9.4GHz high-frequency signal, outputs to the intermediate-freuqncy signal receiver and carries out signal amplification and detection.The vision signal that detection obtains is sent to the FPGA system, obtains the digital radar video data by Digital Image Processing, sends it to indicator unit by Ethernet cable then.In indicator unit, the digital radar video data inputs to indicator unit through ethernet controller, by WindowsCE software reading of data, and polar coordinates is converted to rectangular coordinate, thereby forms real radar image.And use DirectX software implementation graphics accelerator function, and radar image is mixed with plotted line, the radar image that has numeral and mark forms user interface, covers on the sea chart then.
The inventor finds that the marine navigation radar system need manually finish target acquisition in the prior art, causes degree of accuracy relatively poor.
Summary of the invention
The present invention aims to provide a kind of marine navigator, can solve that the marine navigation radar system need manually finish target acquisition in the prior art, causes the relatively poor problem of degree of accuracy.
In an embodiment of the present invention, provide a kind of marine navigator, having comprised:
Anneta module is used for the transmitting radio pulse, and receives the echo that wireless pulse transmits from the physical target around the boats and ships, and echo handled obtains vision signal;
Display module is used for display video signal, and Anneta module is controlled, to realize the automatic seizure of physical target by vision signal.
In the above-described embodiments, by in display module, utilizing vision signal to realize the automatic seizure of physical target and Anneta module being controlled, improved the degree of accuracy that physical target is caught, overcome that the marine navigation radar system need manually finish target acquisition in the prior art, caused the relatively poor problem of degree of accuracy.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 shows the device synoptic diagram of marine navigator according to an embodiment of the invention;
Fig. 2 shows the structural representation of marine navigator according to an embodiment of the invention.
Embodiment
Below with reference to the accompanying drawings and in conjunction with the embodiments, describe the present invention in detail.
Fig. 1 shows the device synoptic diagram of marine navigator according to an embodiment of the invention, comprising:
Anneta module 10 is used for the transmitting radio pulse, and receives the echo that wireless pulse transmits from the physical target around the boats and ships, and echo handled obtains vision signal;
In the above-described embodiments, by in display module 20, utilizing vision signal to realize the automatic seizure of physical target and Anneta module being controlled, improved the degree of accuracy that physical target is caught, overcome that the marine navigation radar system need manually finish target acquisition in the prior art, caused the relatively poor problem of degree of accuracy.
Preferably, in above-mentioned marine navigator, Anneta module 10 and display module 20 are connected by Ethernet.By the RS485 serial line interface, display module 20 is from Anneta module 10 receiving video datas, and display module 20 is sent to control command in the Anneta module 10.
Preferably, in above-mentioned marine navigator, Anneta module 10 comprises modulator, magnetron, microwave circulator, leaky wave antenna, front-end receiver and reception amplifier, and wherein modulator produces high-voltage pulse and produces the rectangle microwave pulse with magnetron; The rectangle microwave pulse is launched by leaky wave antenna by microwave circulator; Leaky wave antenna receives the echo that the physical target around the boats and ships transmits when slotted waveguide is rotated; Echo is input to front-end receiver by microwave circulator, and front-end receiver adopts super-heterodyne system that echo is converted to intermediate-freuqncy signal; Reception amplifier amplifies with detection intermediate-freuqncy signal and obtains vision signal, and vision signal is sent to the Radar interface plate of antenna element.
Preferably, in above-mentioned marine navigator, display module 20 comprises raster unit, image overlay unit, LCD display, automatic capture unit and control module, raster unit wherein, be used for the vision signal that Anneta module transmits is transformed into rectangular coordinate system from polar coordinate system, to obtain the video image of raster scanning; The image overlay unit, being used for the video image of raster scanning and electronic chart superposeed obtains composite video image; LCD display is used to show composite video image; Automatically capture unit is used for according to the composite video image that LCD display shows physical target being caught automatically; Control module is used for marine navigator is controlled.
Preferably, in above-mentioned marine navigator, Anneta module 10 also comprises analog to digital converter and FPGA unit, and wherein analog to digital converter is used for the vision signal of reception amplifier output is converted to digital video signal; The FPGA unit is used for receiving and the storage digital video signal, and vision signal is carried out denoising and image enhancement processing.
Preferably, in above-mentioned marine navigator, control module is connected with Anneta module by the RS-485 bus.
Preferably, in above-mentioned marine navigator, the frequency of rectangle microwave pulse is 9.4GHz.
Preferably, in above-mentioned marine navigator, the frequency of intermediate-freuqncy signal is 60MHz.
Fig. 2 shows the structural representation of marine navigator according to an embodiment of the invention.As shown in Figure 2, at Anneta module, modulator produces high voltage pulse and controls magnetron.Magnetron produces the rectangle microwave pulse, and frequency is 9.4GHz.This pulse is launched peripherad space by microwave circulator by leaky wave antenna.The microwave echo that receives is input to front-end receiver by circulator.Front-end receiver is by using super-heterodyne system the intermediate-freuqncy signal of 9.4GHz frequency inverted as 60MHz.By the 60MHz reception amplifier it is amplified and detection, obtain vision signal.Vision signal transmits to display unit through Ethernet.
Simultaneously, when leaky wave antenna rotated, photoelectric coding position transducer and photoelectric coding cycle sensor can detect the position and the cycle of rotation.Leaky wave antenna rotates a circle, and the photoelectric coding position transducer can produce 3600 pulses.The slot wave lead antenna rotates a circle, and photoelectric coding cycle sensor can produce a pulse.The signal that comes out from these sensors is sent to display apparatus module through Radar interface plate and special cable.
Display apparatus module is presented at the target around the boats and ships on the LCD display, and realizes catching automatically of target on every side by video signal, and controls whole radar by controller.
In the above-described embodiments, by in display module, utilize vision signal realize around target automatic seizure and Anneta module controlled, overcome in the prior art marine navigation radar system problem that need manually finish target acquisition.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with the general calculation device, they can concentrate on the single calculation element, perhaps be distributed on the network that a plurality of calculation element forms, alternatively, they can be realized with the executable program code of calculation element, carry out by calculation element thereby they can be stored in the memory storage, perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a marine navigator is characterized in that, comprising:
Anneta module is used for the transmitting radio pulse, and receives the echo that the physical target of described wireless pulse around the described boats and ships transmits, and described echo handled obtains vision signal;
Display module is used to show described vision signal, and described Anneta module is controlled, to realize the automatic seizure of described physical target by described vision signal.
2. marine navigator according to claim 1 is characterized in that, described Anneta module is connected by Ethernet with described display module.
3. marine navigator according to claim 2 is characterized in that, described Anneta module comprises: modulator, magnetron, microwave circulator, leaky wave antenna, front-end receiver and reception amplifier, wherein
Described modulator produces high-voltage pulse and produces the rectangle microwave pulse with described magnetron;
Described rectangle microwave pulse is launched by described leaky wave antenna by described microwave circulator;
Described leaky wave antenna receives the echo that the physical target around the described boats and ships transmits when slotted waveguide is rotated;
Described echo is input to described front-end receiver by described microwave circulator, and described front-end receiver adopts super-heterodyne system that described echo is converted to intermediate-freuqncy signal;
Described reception amplifier amplifies with detection described intermediate-freuqncy signal and obtains vision signal, and described vision signal is sent to the Radar interface plate of described antenna element.
4. marine navigator according to claim 2 is characterized in that, described display module specifically comprises: raster unit, image overlay unit, LCD display, automatic capture unit and control module, wherein
Described raster unit is used for the vision signal that described Anneta module transmits is transformed into rectangular coordinate system from polar coordinate system, to obtain the video image of raster scanning;
Described image overlay unit, being used for the video image of described raster scanning and electronic chart superposeed obtains composite video image;
Described LCD display is used to show described composite video image;
Described automatic capture unit is used for according to the composite video image that described LCD display shows described physical target being caught automatically;
Described control module is used for described marine navigator is controlled.
5. marine navigator according to claim 4 is characterized in that, described Anneta module also comprises: analog to digital converter and FPGA unit, wherein
Described analog to digital converter is used for the described vision signal of described reception amplifier output is converted to digital video signal;
Described FPGA unit is used for receiving and storing described digital video signal, and described vision signal is carried out denoising and image enhancement processing.
6. marine navigator according to claim 4 is characterized in that, described control module is connected with described Anneta module by the RS-485 bus.
7. marine navigator according to claim 3 is characterized in that, the frequency of described rectangle microwave pulse is 9.4GHz.
8. marine navigator according to claim 3 is characterized in that, the frequency of described intermediate-freuqncy signal is 60MHz.
9. marine navigator according to claim 4 is characterized in that, described control module comprises:
Be built-in with the single-chip microcomputer of second analog to digital converter, be used for the supply voltage of described magnetron being regulated according to the estimated value and the measured value of described magnetron transmitting terminal microwave power.
10. marine navigator according to claim 3 is characterized in that, described modulator comprises:
The mosfet transistor switch is used to drive high-tension transformer formation modulating pulse described magnetron is controlled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910090317A CN101625243A (en) | 2009-08-07 | 2009-08-07 | Ship navigation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910090317A CN101625243A (en) | 2009-08-07 | 2009-08-07 | Ship navigation system |
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| Publication Number | Publication Date |
|---|---|
| CN101625243A true CN101625243A (en) | 2010-01-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910090317A Pending CN101625243A (en) | 2009-08-07 | 2009-08-07 | Ship navigation system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102680966A (en) * | 2012-05-11 | 2012-09-19 | 青岛瑞普电气有限责任公司 | Navigation radar for FMCW (frequency-modulated continuous wave) ship |
| CN103529438A (en) * | 2013-10-25 | 2014-01-22 | 陕西晟辉投资有限公司 | System and method for monitoring moving target on ground by marine radar |
-
2009
- 2009-08-07 CN CN200910090317A patent/CN101625243A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102680966A (en) * | 2012-05-11 | 2012-09-19 | 青岛瑞普电气有限责任公司 | Navigation radar for FMCW (frequency-modulated continuous wave) ship |
| CN103529438A (en) * | 2013-10-25 | 2014-01-22 | 陕西晟辉投资有限公司 | System and method for monitoring moving target on ground by marine radar |
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Application publication date: 20100113 |