CN106403947A - Ship environment intelligent filtering-type fixed-point calibration inertial positioning system - Google Patents

Ship environment intelligent filtering-type fixed-point calibration inertial positioning system Download PDF

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Publication number
CN106403947A
CN106403947A CN201610736424.3A CN201610736424A CN106403947A CN 106403947 A CN106403947 A CN 106403947A CN 201610736424 A CN201610736424 A CN 201610736424A CN 106403947 A CN106403947 A CN 106403947A
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China
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module
transport
placing device
ship
calibrating installation
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CN201610736424.3A
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Chinese (zh)
Inventor
王卫东
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Wuxi Zhuoxin Information Technology Co Ltd
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Wuxi Zhuoxin Information Technology Co Ltd
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Priority to CN201610736424.3A priority Critical patent/CN106403947A/en
Publication of CN106403947A publication Critical patent/CN106403947A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C21/00Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
    • G01C21/10Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration
    • G01C21/12Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration executed aboard the object being navigated; Dead reckoning
    • G01C21/16Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration executed aboard the object being navigated; Dead reckoning by integrating acceleration or speed, i.e. inertial navigation
    • G01C21/18Stabilised platforms, e.g. by gyroscope

Abstract

The invention relates to a ship environment intelligent filtering-type fixed-point calibration inertial positioning system. According to the ship environment intelligent filtering-type fixed-point calibration inertial positioning system, fixed-point calibration and inertial positioning technology are combined, a plurality of fixed-point position calibration devices are distributed on a ship, in the radio-frequency signal range of each fixed-point position calibration device, radio-frequency broadcast transmission technology is adopted, real-time positional information sharing is realized via mobile terminals wore by the personnel, a specifically designed inertial motion detection module and a specifically designed filter circuit are adopted, inertial positioning is carried out based on the acquired sharing information, self-positioning of the personnel on the ship is realized, positioning accuracy is high, positioning speed is high, and defects of conventional positioning technology are avoided.

Description

A kind of ship environment intelligent filter formula fixed point calibration inertial positioning system
Technical field
The present invention relates to a kind of ship environment intelligent filter formula fixed point calibration inertial positioning system, belong to ship personnel positioning Technical field.
Background technology
Positioning is a kind of technology for confirming present position, and with the continuous popularization of location technology, location technology is already Expand in terms of civilian from military aspect, the every aspect of people's life suffers from the application of location technology, such as navigator fix, Geophysical surveying etc. aspect, existing location technology includes satellite fix, architecture, triangle polyester fibre technology etc., but existing There is each location technology in the middle of actual application, all more or less has many shortcomings, and such as blocking is satellite The biggest obstacle of position technology, based on the satellite positioning tech of satellite communication transmission, for the object being in tunnel, under bridge, Due to blocking of being built, affect satellite communication interaction, just cannot realize satellite fix;And it is fixed for architecture, triangle It is necessary to need base station or fixed signal device that angular position is set up is supported so that in actual applications for position, more difficult In realization, and positioning precision is low;Therefore, the shortcoming based on above-mentioned existing location technology and deficiency are it is known that prior art is not enough With undertake the positioning on ship it is well known that on such as pleasure boat, rectangle cargo ship area huge, just like a small city, location technology For the people's no less important on ship, but, what ship was built blocks inapplicable satellite fix, and special environment, with Sample is also not suitable for base station or triangle polyester fibre, therefore, on ship personnel location technology be badly in need of have to be developed, based on people on ship The location technology of member, improves the impression by ship of personnel on ship.
Content of the invention
The technical problem to be solved is that offer is a kind of is calibrated and inertial positioning technology using the fixed point combining, The shortcoming overcoming existing location technology, can effectively realize the ship environment intelligent filter formula fixed point school of hi-Fix on ship Quasi- inertial positioning system.
The present invention employs the following technical solutions to solve above-mentioned technical problem:The present invention devises a kind of ship environment intelligence Filtering type fixed point can calibrate inertial positioning system, be arranged on each fixed position calibrating installation on ship including distribution, and It is worn on each mobile terminal with each personnel;Wherein, each fixed position calibrating installation includes the first control mould respectively Block, and be connected with the first control module respectively the first power module, the first memory module, radiofrequency emitting module, first Power module is powered through the first control module respectively the first memory module, radiofrequency emitting module;Each fixed position In calibrating installation, the radio-frequency transmissions of radiofrequency emitting module are apart from equal, radiofrequency emitting module in each fixed position calibrating installation Radiofrequency signal scope 30m-50m apart, and the radiofrequency signal scope of all fixed position calibrating installations is plus adjacent one another are Scope covers ship regional, and the first memory module in each fixed position calibrating installation stores corresponding fixed position respectively It is placed in the positional information on ship set by calibrating installation;Each mobile terminal includes inertia motion detection module, the second control respectively Molding block, and be connected with the second control module respectively second source module, the second memory module, Receiver Module, Image display device, filter circuit, wherein, inertia motion detection module includes gyroscope and acceleration transducer, gyroscope with Second control module is connected, and circuit is connected acceleration transducer with the second control module after filtering, second source module It is powered through the second control module respectively the second memory module, Receiver Module, image display device, gyroscope, Meanwhile, second source module sequentially passes through the second control module, filter circuit is powered for acceleration transducer;Filter circuit Including transport and placing device A1, transport and placing device A2 and transport and placing device A3, the in-phase input end ground connection of transport and placing device A1, the inverting input of transport and placing device A1 It is sequentially connected in series resistance R3, resistance R2 and resistance R1, on resistance R1, the other end relative to connection resistance R2 is filter circuit input Connect acceleration transducer, and resistance R3 is connected between transport and placing device A1 outfan and the inverting input of transport and placing device A1;Fortune The inverting input putting device A2 is connected with the inverting input of transport and placing device A1, simultaneously the inverting input of transport and placing device A2 successively with electricity Hold C1, resistance R4 series connection, and be grounded, electric capacity C1 be connected on the inverting input of transport and placing device A2 and transport and placing device A2 outfan it Between, the in-phase input end of transport and placing device A2 is connected with resistance R1;The in-phase input end of transport and placing device A3 is connected with electric capacity C2, and is grounded, And resistance R5 is connected between the in-phase input end of transport and placing device A3 and the in-phase input end of transport and placing device A2, transport and placing device A3's is anti-phase defeated Enter end to be connected with outfan, and the outfan of transport and placing device A3 connects the second control module for filter circuit outfan;Second storage Storage vessel electronic chart in module;In radiofrequency emitting module in each fixed position calibrating installation and each mobile terminal Receiver Module carries out radio communication.
As a preferred technical solution of the present invention:Radiofrequency emitting module in each fixed position calibrating installation described Radio-frequency transmissions distance is 10-15 rice.
As a preferred technical solution of the present invention:The first control module in each fixed position calibrating installation described It is the first single-chip microcomputer, the second control module in each mobile terminal described is second singlechip.
As a preferred technical solution of the present invention:The first power module in each fixed position calibrating installation described It is ship power supply network fixed connection point;Second source module in each mobile terminal described is button cell.
As a preferred technical solution of the present invention:Image display device in described mobile terminal is color touch Screen.
A kind of ship environment intelligent filter formula fixed point calibration inertial positioning system of the present invention adopts above technical scheme Compared with prior art, there is following technique effect:
(1)The ship environment intelligent filter formula fixed point calibration inertial positioning system of present invention design, using the fixed point school combining Standard and inertial positioning technology, distribution on ship arranges each fixed position calibrating installation, in each fixed position calibrating installation Radiofrequency signal in the range of, by RF broadcast transmission technology, enter row positional information to institute's pendant mobile terminal with personnel in real time Shared, and combine specifically designed inertia motion detection module, based on specifically designed filter circuit, pass through obtained shared Position carries out inertial positioning it is achieved that the positioning oneself of personnel on ship, and positioning precision is high, and locating speed is fast, overcomes The shortcoming of existing location technology;
(2)In the ship environment intelligent filter formula fixed point calibration inertial positioning system of present invention design, for each fixed point described Radiofrequency emitting module in location calibration device, is all designed with the radio-frequency transmissions mould for 10-15 rice for the radio-frequency transmissions distance further Block, the effective range for each fixed position calibrating installation institute sharing position information is defined, and further increases this Bright designed ship environment intelligent filter formula fixed point calibration positioning precision in actual ship's fix is applied for the inertial positioning system;
(3)In the ship environment intelligent filter formula fixed point calibration inertial positioning system of present invention design, for each fixed point described The first control module in location calibration device, is all designed with as the first single-chip microcomputer further, and for each shifting described The second control module in dynamic terminal, is all designed with further as second singlechip, on the one hand can be applied to the later stage and be directed to The extension demand of designed ship environment intelligent filter formula fixed point calibration inertial positioning system, on the other hand, succinct control cage Structure pattern can be easy to the maintenance in later stage;
(4)In the ship environment intelligent filter formula fixed point calibration inertial positioning system of present invention design, for each fixed point described The first power module in location calibration device, all ship power supply network fixed connection point is adopted in design further;And for institute State the second source module in each mobile terminal, be all designed with button cell further, power configuration is flexible, realization side Just, and power stable, it is capable of ship environment intelligent filter formula fixed point calibration inertial positioning system designed by the present invention real Steady operation in the application of border.
Brief description
Fig. 1 is the module diagram of ship environment intelligent filter formula fixed point calibration inertial positioning system designed by the present invention;
Fig. 2 is the signal of filter circuit in ship environment intelligent filter formula fixed point calibration inertial positioning system designed by the present invention Figure.
Specific embodiment
With reference to Figure of description, the specific embodiment of the present invention is described in further detail.
As shown in figure 1, the present invention devises a kind of ship environment intelligent filter formula fixed point calibration inertial positioning system, including Distribution is arranged on each fixed position calibrating installation on ship, and is worn on each mobile terminal with each personnel; Wherein, each fixed position calibrating installation includes the first control module respectively, and be connected with the first control module respectively First power module, the first memory module, radiofrequency emitting module, the first power module is respectively first through the first control module Memory module, radiofrequency emitting module are powered;In each fixed position calibrating installation the radio-frequency transmissions of radiofrequency emitting module away from From equal, the radiofrequency signal scope 30m-50m apart of radiofrequency emitting module in each fixed position calibrating installation and all The radiofrequency signal scope of fixed position calibrating installation adds that scope adjacent one another are covers ship regional, each fixed position school The first memory module in standard apparatus stores the positional information being placed on ship set by corresponding fixed position calibrating installation respectively;Respectively Individual mobile terminal includes inertia motion detection module, the second control module respectively, and is connected with the second control module respectively Second source module, the second memory module, Receiver Module, image display device, filter circuit, wherein, inertia motion Detection module includes gyroscope and acceleration transducer, and gyroscope is connected with the second control module, and acceleration transducer passes through Filter circuit is connected with the second control module, second source module through the second control module be respectively the second memory module, Receiver Module, image display device, gyroscope are powered, and meanwhile, second source module sequentially passes through the second control mould Block, filter circuit are powered for acceleration transducer;As shown in Fig. 2 filter circuit includes transport and placing device A1, transport and placing device A2 and fortune Put device A3, the in-phase input end ground connection of transport and placing device A1, the inverting input of transport and placing device A1 is sequentially connected in series resistance R3, resistance R2 and electricity Resistance R1, resistance R1 connects acceleration transducer relative to the other end connecting resistance R2 for filter circuit input, and resistance R3 is connected between transport and placing device A1 outfan and the inverting input of transport and placing device A1;The inverting input of transport and placing device A2 and transport and placing device The inverting input of A1 is connected, and the inverting input of transport and placing device A2 is connected, and is grounded with electric capacity C1, resistance R4 successively simultaneously, electricity Hold C1 be connected between the inverting input of transport and placing device A2 and the outfan of transport and placing device A2, the in-phase input end of transport and placing device A2 with electricity Resistance R1 series connection;The in-phase input end of transport and placing device A3 is connected with electric capacity C2, and is grounded, and resistance R5 is connected on the homophase of transport and placing device A3 Between the in-phase input end of input and transport and placing device A2, the inverting input of transport and placing device A3 is connected with outfan, and transport and placing device A3 Outfan be filter circuit outfan connect the second control module;Storage vessel electronic chart in second memory module;Each Radiofrequency emitting module in fixed position calibrating installation carries out radio communication with the Receiver Module in each mobile terminal.On State the ship environment intelligent filter formula fixed point calibration inertial positioning system designed by technical scheme, using the fixed point calibration combining With inertial positioning technology, each fixed position calibrating installation of distribution setting on ship, in each fixed position calibrating installation In the range of radiofrequency signal, by RF broadcast transmission technology, enter row positional information altogether to institute's pendant mobile terminal with personnel in real time Enjoy, and combine specifically designed inertia motion detection module, based on specifically designed filter circuit, pass through obtained shared position Put and carry out inertial positioning it is achieved that the positioning oneself of personnel on ship, and positioning precision is high, locating speed is fast, overcomes existing There is location technology.
Pinpoint on the basis of calibration inertial positioning system technical scheme based on above-mentioned design ship environment intelligent filter formula, The present invention also devises following optimal technical scheme further:For radio-frequency transmissions mould in each fixed position calibrating installation described Block, is all designed with the radiofrequency emitting module for 10-15 rice for the radio-frequency transmissions distance further, for each fixed position calibration cartridge The effective range putting institute's sharing position information is defined, and further increases ship environment intelligent filter formula designed by the present invention Fixed point calibration positioning precision in actual ship's fix is applied for the inertial positioning system;And it is directed to each fixed position school described The first control module in standard apparatus, is all designed with as the first single-chip microcomputer further, and is directed to each mobile terminal described In the second control module, be all designed with further as second singlechip, on the one hand can be applied to the later stage be directed to designed The extension demand of ship environment intelligent filter formula fixed point calibration inertial positioning system, on the other hand, succinct control architecture mode The maintenance in later stage can be easy to;And it is directed to the first power module in each fixed position calibrating installation described, all further Ship power supply network fixed connection point is adopted in design;And for the second source module in each mobile terminal described, all enter one Step is designed with button cell, and flexibly, it is convenient to realize for power configuration, and it is stable to power, and is capable of ship designed by the present invention Steady operation in oceangoing ship ambient intelligence filtering type fixed point calibration inertial positioning system practical application.
The present invention devises ship environment intelligent filter formula fixed point calibration inertial positioning system in the middle of actual application, Specifically include each fixed position calibrating installation that distribution is arranged on ship, and be worn on each shifting with each personnel Dynamic terminal;Wherein, each fixed position calibrating installation includes the first single-chip microcomputer respectively, and is connected with the first single-chip microcomputer respectively The first power module, the first memory module, radiofrequency emitting module, the first power module is fixedly connected for ship power supply network Point, the first power module is powered through the first single-chip microcomputer respectively the first memory module, radiofrequency emitting module;Each fixed point In location calibration device, the radio-frequency transmissions of radiofrequency emitting module are apart from equal, radio-frequency transmissions mould in each fixed position calibrating installation The radio-frequency transmissions distance of block is 10-15 rice, in each fixed position calibrating installation the radiofrequency signal scope of radiofrequency emitting module that This is at a distance of 30m-50m, and the radiofrequency signal scope of all fixed position calibrating installations adds that scope covering ship adjacent one another are is each Individual region, the first memory module in each fixed position calibrating installation stores set by corresponding fixed position calibrating installation respectively Positional information on ship;Each mobile terminal includes inertia motion detection module, the second control module respectively, and respectively The second source module that is connected with the second control module, the second memory module, Receiver Module, image display device, filter Wave circuit, wherein, inertia motion detection module includes gyroscope and acceleration transducer, and gyroscope is connected with the second control module Connect, circuit is connected acceleration transducer with the second control module after filtering, second source module is button cell, the second electricity Source module is carried out through the second control module respectively the second memory module, Receiver Module, image display device, gyroscope Power supply, meanwhile, second source module sequentially passes through the second control module, filter circuit is powered for acceleration transducer;Filter Wave circuit includes transport and placing device A1, transport and placing device A2 and transport and placing device A3, the in-phase input end ground connection of transport and placing device A1, and transport and placing device A1's is anti-phase Input is sequentially connected in series resistance R3, resistance R2 and resistance R1, and on resistance R1, the other end relative to connection resistance R2 is filter circuit Input connects acceleration transducer, and resistance R3 be connected on transport and placing device A1 outfan and transport and placing device A1 inverting input it Between;The inverting input of transport and placing device A2 is connected with the inverting input of transport and placing device A1, simultaneously the inverting input of transport and placing device A2 according to Secondary connect, and be grounded with electric capacity C1, resistance R4, electric capacity C1 is connected on the inverting input of transport and placing device A2 and the output of transport and placing device A2 Between end, the in-phase input end of transport and placing device A2 is connected with resistance R1;The in-phase input end of transport and placing device A3 is connected with electric capacity C2, and connects Ground, and resistance R5 is connected between the in-phase input end of transport and placing device A3 and the in-phase input end of transport and placing device A2, transport and placing device A3's is anti- Phase input is connected with outfan, and the outfan of transport and placing device A3 connects the second control module for filter circuit outfan;Each Mobile terminal includes second singlechip respectively, and be connected with second singlechip respectively second source module, the second storage Module, Receiver Module, color touch screen, inertia motion detection module, wherein, inertia motion detection module includes gyroscope And acceleration transducer, gyroscope is connected with second singlechip respectively with acceleration transducer, and second source module is button Battery, second source module is respectively the second memory module, Receiver Module, color touch screen, top through second singlechip Spiral shell instrument, acceleration transducer are powered, storage vessel electronic chart in the second memory module;Each fixed position calibrating installation In radiofrequency emitting module and each mobile terminal in Receiver Module carry out radio communication.In the middle of actual application, Distribution is arranged on each fixed position calibrating installation real time operation on ship, and first in each fixed position calibrating installation is single Piece machine prestores its set positional information on ship, Ran Hou by transferring in the first connected memory module One single-chip microcomputer sends the positional information transferred to connected radiofrequency emitting module, real-time by radiofrequency emitting module Outwards broadcast transmission, because the radio-frequency transmissions distance of radiofrequency emitting module in each fixed position calibrating installation is 10-15 rice, then Each fixed position calibrating installation distinguishes effective scope of application of outwards broadcast transmission positional information in real time, is with corresponding fixed point position Centered on putting calibrating installation, the region of radius 10-15 rice, that is, for each mobile terminal, wherein Receiver Module is only Corresponding fixed position calibrating installation can be received only centered on fixed position calibrating installation, in the region of radius 10-15 rice The positional information broadcasted, in practical application then, the personnel that mobile terminal is worn in initialization are located therein any one In the effective scope of application of radiofrequency signal of fixed position calibrating installation, then the Receiver Module in mobile terminal can receive The positional information being sent from corresponding fixed position calibrating installation, and it is delivered in the middle of second singlechip, then second singlechip By calling the ship electronic map being stored in advance in the second memory module, in conjunction with the positional information being obtained, send to colour Shown on touch screen that then the movement on ship is carried out according to personnel it is achieved that the initial alignment of personnel position Corresponding control, realizes real-time positioning, wherein, is effectively suitable for model when personnel are constantly in this fixed position calibrating installation radiofrequency signal When enclosing interior, the second singlechip positional information according to this fixed position calibrating installation institute broadcast transmission always in mobile terminal, Carry out real-time positioning in conjunction with by the ship electronic map calling in the second memory module, and send and shown to color touch screen Show;When personnel move out this effective scope of application of fixed position calibrating installation radiofrequency signal, and it is introduced into other fixed position schools During the effective scope of application of standard apparatus radiofrequency signal, that is, be located at the effective scope of application of adjacent fixed position calibrating installation radiofrequency signal it Between region when, the second singlechip in mobile terminal cannot by connected Receiver Module receive position letter Breath, then second singlechip controls the gyroscope in connected inertia motion detection module and acceleration transducer work immediately Make, be original position based on obtained positional information for the last time, carry out inertial positioning, thus continue to realize real-time positioning, concurrently Deliver to and shown on color touch screen;Wherein, the acceleration transducer real-time detection in inertia motion detection module obtains and adds Velocity information, and it is uploaded in the middle of filter circuit, filter circuit is carried out at Real-Time Filtering for received acceleration information Reason, filters noise data therein, and obtaining more accurate acceleration information, then filter circuit will be processed after filtering Acceleration information sends to second singlechip, and then second singlechip is used to according to acceleration information and gyro data Property positioning;When personnel are moved again to the effective scope of application of fixed position calibrating installation radiofrequency signal, in mobile terminal Second singlechip immediately by connected Receiver Module receive this fixed position calibrating installation broadcasted send out The positional information sending, then one side controls gyroscope and acceleration sensing in inertia motion detection module to second singlechip immediately Device quits work, and another aspect second singlechip receives the positional information of this fixed position calibrating installation institute broadcast transmission, in conjunction with Real-time positioning is carried out by the ship electronic map calling in the second memory module, and sends and shown to color touch screen, So, by above-mentioned design, realize hi-Fix in moving process on ship for the personnel, and this kind of mode be not subject to existing The restriction of location technology, and positioning precision is high, can effectively improve the experience by ship of personnel on ship, is easy to see the every ship of exhibition Oceangoing ship activity.
Above in conjunction with accompanying drawing, embodiments of the present invention are explained in detail, but the present invention is not limited to above-mentioned enforcement Mode, in the ken that those of ordinary skill in the art possess, can also be on the premise of without departing from present inventive concept Make a variety of changes.

Claims (5)

1. a kind of ship environment intelligent filter formula fixed point calibration inertial positioning system it is characterised in that:It is arranged on ship including distribution Each fixed position calibrating installation on oceangoing ship, and it is worn on each mobile terminal with each personnel;Wherein, each fixed point Location calibration device includes the first control module respectively, and be connected with the first control module respectively the first power module, First memory module, radiofrequency emitting module, the first power module is respectively the first memory module, radio frequency through the first control module Transmitter module is powered;In each fixed position calibrating installation, apart from equal, each is fixed for the radio-frequency transmissions of radiofrequency emitting module The radiofrequency signal scope 30m-50m apart of radiofrequency emitting module in point location calibration device, and the calibration of all fixed positions The radiofrequency signal scope of device adds that scope adjacent one another are covers ship regional, the in each fixed position calibrating installation One memory module stores the positional information being placed on ship set by corresponding fixed position calibrating installation respectively;Each mobile terminal divides Do not include inertia motion detection module, the second control module, and the second source mould being connected respectively with the second control module Block, the second memory module, Receiver Module, image display device, filter circuit, wherein, inertia motion detection module includes Gyroscope and acceleration transducer, gyroscope is connected with the second control module, acceleration transducer circuit and after filtering Two control modules are connected, second source module through the second control module be respectively the second memory module, Receiver Module, Image display device, gyroscope are powered, and meanwhile, second source module sequentially passes through the second control module, filter circuit is Acceleration transducer is powered;Filter circuit includes transport and placing device A1, transport and placing device A2 and transport and placing device A3, and the homophase of transport and placing device A1 is defeated Enter end ground connection, the inverting input of transport and placing device A1 is sequentially connected in series resistance R3, resistance R2 and resistance R1, resistance R1 connects electricity relatively Resistance R2 the other end be filter circuit input connect acceleration transducer, and resistance R3 be connected on transport and placing device A1 outfan and Between the inverting input of transport and placing device A1;The inverting input of transport and placing device A2 is connected with the inverting input of transport and placing device A1, simultaneously The inverting input of transport and placing device A2 is connected, and is grounded with electric capacity C1, resistance R4 successively, and electric capacity C1 is connected on the anti-phase of transport and placing device A2 Between the outfan of input and transport and placing device A2, the in-phase input end of transport and placing device A2 is connected with resistance R1;The homophase of transport and placing device A3 Input is connected with electric capacity C2, and is grounded, and resistance R5 is connected on the in-phase input end of transport and placing device A3 and the homophase of transport and placing device A2 Between input, the inverting input of transport and placing device A3 is connected with outfan, and the outfan of transport and placing device A3 exports for filter circuit End connects the second control module;Storage vessel electronic chart in second memory module;Penetrating in each fixed position calibrating installation Frequency transmitter module carries out radio communication with the Receiver Module in each mobile terminal.
2. according to claim 1 a kind of ship environment intelligent filter formula fixed point calibration inertial positioning system it is characterised in that: In each fixed position calibrating installation described, the radio-frequency transmissions distance of radiofrequency emitting module is 10-15 rice.
3. according to claim 1 a kind of ship environment intelligent filter formula fixed point calibration inertial positioning system it is characterised in that: The first control module in each fixed position calibrating installation described is the first single-chip microcomputer, in each mobile terminal described Two control modules are second singlechip.
4. according to claim 1 a kind of ship environment intelligent filter formula fixed point calibration inertial positioning system it is characterised in that: The first power module in each fixed position calibrating installation described is ship power supply network fixed connection point;Each shifting described Second source module in dynamic terminal is button cell.
5. according to claim 1 a kind of ship environment intelligent filter formula fixed point calibration inertial positioning system it is characterised in that: Image display device in described mobile terminal is color touch screen.
CN201610736424.3A 2016-08-29 2016-08-29 Ship environment intelligent filtering-type fixed-point calibration inertial positioning system Pending CN106403947A (en)

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Application publication date: 20170215