CN107884784A - A kind of method and system for improving GPS location speed after onboard system is reset - Google Patents
A kind of method and system for improving GPS location speed after onboard system is reset Download PDFInfo
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- CN107884784A CN107884784A CN201711069176.2A CN201711069176A CN107884784A CN 107884784 A CN107884784 A CN 107884784A CN 201711069176 A CN201711069176 A CN 201711069176A CN 107884784 A CN107884784 A CN 107884784A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/03—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers
- G01S19/10—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers providing dedicated supplementary positioning signals
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- Computer Networks & Wireless Communication (AREA)
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Abstract
The embodiment of the invention discloses a kind of method and system for improving GPS location speed after onboard system is reset.This method includes：The GPS location inputted according to user is asked, and the first history auxiliary positioning file is obtained in the first memory space of onboard system；If not obtaining the first history auxiliary positioning file in the first memory space, the second history auxiliary positioning file is obtained in the second memory space；Using the history positioning associated information recorded in the second history auxiliary positioning file, GPS location is carried out；Wherein, the information stored in the second memory space is retained after onboard system replacement.The embodiment of the present invention passes through the backup history auxiliary positioning data in the second memory space not being wiped free of after onboard system is reset, it can realize when onboard system is reset, also history auxiliary positioning data can be obtained and carry out assistant GPS positioning, to improve the GPS location speed after onboard system replacement.
Description
Technical field
GPS determines after being reset the present embodiments relate to mobile unit technical field, more particularly to a kind of raising onboard system
The method and system of bit rate.
Background technology
Mobile unit system can generate auxiliary positioning file, these files can be next time after the completion of positioning each time
The input of equation is resolved during positioning as GPS, so as to improve locating speed, reduces primary positioning time.But after system replacement,
Because the auxiliary positioning information that last positioning obtains is wiped free of, therefore after unlatching GPS location, GPS needs carry out complete
Frequency band search, without any auxiliary positioning information, can only be resolved former with finding gps satellite by searching for the satellite data received
Beginning positioning equation completes positioning.
Inventor has found that prior art has following defect during the present invention is realized：Due to initial auxiliary positioning
The missing of information, therefore the location efficiency after system replacement positions first equivalent to from original state, positioning time length, user's body
Test difference.
The content of the invention
The embodiment of the present invention provides a kind of method and system for improving GPS location speed after onboard system is reset, to improve
GPS location speed after onboard system replacement.
In a first aspect, the embodiments of the invention provide a kind of method for improving GPS location speed after onboard system is reset, should
Method includes：
Positioning is completed in response to an onboard system, the auxiliary positioning message file generated is backuped into external storage
In equipment；
It is again turned on positioning in response to onboard system, checks that ad-hoc location whether there is auxiliary positioning message file, if depositing
Directly using local auxiliary positioning message file；If being not present, carry out in next step；
The auxiliary positioning message file being stored in External memory equipment is read, auxiliary information is provided for positioning.
Second aspect, the embodiment of the present invention additionally provide a kind of system for improving GPS location speed after onboard system is reset,
The system includes：
Memory module, for completing positioning, the auxiliary positioning message file that will have been generated in response to an onboard system
Backup in External memory equipment；
Module is checked, for being again turned on positioning in response to onboard system, checks that ad-hoc location whether there is auxiliary positioning
Message file, if in the presence of directly using local auxiliary positioning message file；If being not present, carry out in next step；
Read module, for reading the auxiliary positioning message file being stored in External memory equipment, provided for positioning auxiliary
Supplementary information.
The third aspect, should the embodiments of the invention provide a kind of method for improving GPS location speed after onboard system is reset
Method includes：
The GPS location inputted according to user is asked, and the first history is obtained in the first memory space of the onboard system
Auxiliary positioning file；
It is empty in the second storage if not obtaining the first history auxiliary positioning file in first memory space
Between it is middle acquisition the second history auxiliary positioning file；
Using the history positioning associated information recorded in the second history auxiliary positioning file, GPS location is carried out；
Wherein, the information stored in first memory space is eliminated after onboard system replacement, and described second
The information stored in memory space is retained after onboard system replacement.
Fourth aspect, the embodiment of the present invention additionally provide a kind of system for improving GPS location speed after onboard system is reset,
The system includes：
First history auxiliary positioning file acquisition module, for the GPS location request inputted according to user, described vehicle-mounted
The first history auxiliary positioning file is obtained in first memory space of system；
Second history auxiliary positioning file acquisition module, if for not obtaining described in first memory space
One history auxiliary positioning file, then the second history auxiliary positioning file is obtained in the second memory space；
D GPS locating module, for using the history positioning associated information recorded in the second history auxiliary positioning file,
Carry out GPS location；
Wherein, the information stored in first memory space is eliminated after onboard system replacement, and described second
The information stored in memory space is retained after onboard system replacement.
5th aspect, the embodiment of the present invention additionally provide a kind of onboard system, including memory, processor and are stored in
Realize that the present invention is any real on reservoir and the computer program that can run on a processor, during the computing device described program
Apply the method for improving GPS location speed after onboard system is reset described in example.
6th aspect, the embodiment of the present invention additionally provide a kind of computer-readable recording medium, are stored thereon with computer
Program, the program realized when being executed by processor raising onboard system described in any embodiment of the present invention reset after GPS location
The method of speed.
The embodiment of the present invention by the second memory space not being wiped free of after onboard system is reset backup history aid in
Location data, it is possible to achieve when onboard system is reset, it can also obtain history auxiliary positioning data and carry out assistant GPS positioning,
To improve the GPS location speed after onboard system replacement.
Compared with prior art, the present invention has advantages below：It can greatly improve and determine after mobile unit system is reset
Bit rate, in some cases, locating speed can be brought up within one minute and completed, solved from even more than ten minutes a few minutes
After mobile unit system is reset in the prior art, the problem of locating speed is slower.
Brief description of the drawings
Fig. 1 is a kind of flow that can improve the method for GPS location speed after onboard system is reset of the embodiment of the present invention
Figure；
Fig. 2 is a kind of structure that can improve the system of GPS location speed after onboard system is reset of the embodiment of the present invention
Block diagram.
Fig. 3 is the stream of the method for GPS location speed after a kind of raising onboard system that the embodiment of the present invention one provides is reset
Cheng Tu；
Fig. 4 is the stream of the method for GPS location speed after a kind of raising onboard system that the embodiment of the present invention two provides is reset
Cheng Tu；
Fig. 5 is the stream of the method for GPS location speed after a kind of raising onboard system that the embodiment of the present invention three provides is reset
Cheng Tu；
Fig. 6 is the knot of the system of GPS location speed after a kind of raising onboard system that the embodiment of the present invention four provides is reset
Composition；
Fig. 7 is the knot of the system of GPS location speed after a kind of raising onboard system that the embodiment of the present invention four provides is reset
Composition；
Fig. 8 is a kind of hardware architecture diagram for onboard system that the embodiment of the present invention six provides.
Embodiment
In order that the object, technical solutions and advantages of the present invention are clearer, below in conjunction with the accompanying drawings to the specific reality of the present invention
Example is applied to be described in further detail.It is understood that specific embodiment described herein is used only for explaining the present invention,
Rather than limitation of the invention.
It also should be noted that for the ease of description, illustrate only in accompanying drawing part related to the present invention rather than
Full content.It should be mentioned that some exemplary embodiments are described before exemplary embodiment is discussed in greater detail
Into the processing or method described as flow chart.Although operations (or step) are described as the processing of order by flow chart,
It is that many of which operation can be implemented concurrently, concomitantly or simultaneously.In addition, the order of operations can be by again
Arrange.The processing can be terminated when its operations are completed, it is also possible to the additional step being not included in accompanying drawing.
The processing can correspond to method, function, code, subroutine, subprogram etc..
A kind of method that can improve GPS location speed after onboard system is reset of the embodiment of the present invention, as shown in figure 1, bag
Include：
Step S10, positioning is completed in response to an onboard system, the auxiliary positioning message file generated is backuped to
In External memory equipment.
Step S20, it is again turned on positioning in response to onboard system, checks ad-hoc location with the presence or absence of auxiliary positioning information text
Part, if in the presence of directly using local auxiliary positioning message file；If being not present, carry out in next step.
Step S30, the auxiliary positioning message file being stored in External memory equipment is read, auxiliary letter is provided for positioning
Breath.
By the invention it is possible to the locating speed after mobile unit system is reset is greatly improved, and in some cases, positioning speed
Degree can be brought up within one minute and completed, solve mobile unit system in the prior art from even more than ten minutes a few minutes
After replacement, the problem of locating speed is slower.
Based on same inventive concept, the embodiment of the present invention additionally provides GPS after one kind can improve onboard system replacement and determined
The system of bit rate, as shown in Fig. 2 including：
Memory module 1, for completing positioning, the auxiliary positioning message file that will have been generated in response to an onboard system
Backup in External memory equipment.
Module 2 is checked, for being again turned on positioning in response to onboard system, checks that ad-hoc location whether there is auxiliary positioning
Message file, if in the presence of directly using local auxiliary positioning message file；If being not present, carry out in next step.
Read module 3, for reading the auxiliary positioning message file being stored in External memory equipment, provided for positioning auxiliary
Supplementary information.
By the invention it is possible to the locating speed after mobile unit system is reset is greatly improved, and in some cases, positioning speed
Degree can be brought up within one minute and completed, solve mobile unit system in the prior art from even more than ten minutes a few minutes
After replacement, the problem of locating speed is slower.
Embodiment one
Fig. 3 is the stream of the method for GPS location speed after a kind of raising onboard system that the embodiment of the present invention one provides is reset
Cheng Tu, the present embodiment are applicable to carry out the situation of GPS location after onboard system is reset, and this method can be by improving vehicle-mounted system
The system of GPS location speed is performed after system is reset, and the system can be realized by way of software and/or hardware, and typically
Can be integrated in onboard system (such as：Vehicular rear mirror or vehicle device etc.), the method for the present embodiment specifically includes following step
Suddenly：
S110, the GPS location inputted according to user are asked, and first is obtained in the first memory space of the onboard system
History auxiliary positioning file.
Wherein, the GPS location can be the GPS positioning system terminal made by hardware and software, be used for into driving
Positioning, the planning and navigation of travel route.
The general principle of GPS location is to measure the satellite of known location the distance between to receiver user, then comprehensive
The data for closing multi-satellite just may know that the particular location of receiver.Reach this purpose, the position of satellite can be according to star
The time that load clock is recorded finds in satellite ephemeris.And user is then traveled to the distance of satellite by noting down satellite-signal
The time that user is undergone, then be multiplied by the light velocity and obtain that (due to the interference in atmosphere ionosphere, this distance is not user
Actual distance between satellite, but pseudorange (PR))., can be constantly with 1 and 0 binary code when gps satellite normal work
Pseudo noise code (abbreviation pseudo-code) the transmitting navigation message of member composition.The pseudo-code one that GPS system uses shares two kinds, is civilian respectively
C/A codes and military P (Y) code.C/A code frequency 1.023MHz, one millisecond of repetition period, intersymbol away from 1 microsecond, equivalent to
300m；P code frequency 10.23MHz, 266.4 days repetition periods, intersymbol is away from 0.1 microsecond, equivalent to 30m.And Y codes are the bases in P codes
Formed on plinth, security performance is more preferably.Navigation message is repaiied including satellite ephemeris, working condition, clock correction, ionospheric delay
Just, the information such as refraction correction, it is to demodulate to come out from satellite-signal, is modulated at what is launched on carrier frequency with 50b/s.Lead
Comprising 5 subframes per frame length 6s in each prime frame of avionics text.Each 10 character codes of first three frame, are repeated once, per hour for every 30 seconds
Update once, the rear common 15000b of two frames.Content in navigation message mainly has telemetry code, hand over word, the 1st, 2,3 data blocks, its
In it is most important be then almanac data.When user receives navigation message, extract satellite time and by its with oneself when
Clock, which does contrast, can learn satellite and the distance of user, recycle the satellite almanac data in navigation message to extrapolate satellite launch
The information such as present position during text, position and speed of the user in WGS-84 earth coordinates can be learnt.
Wherein, the first history auxiliary positioning file can include satellite time, satellite between receiver user
The information such as distance and satellite almanac data.Relevant information is obtained in the first history auxiliary positioning file to realize GPS location.
S120, if the first history auxiliary positioning file is not obtained in first memory space, second
The second history auxiliary positioning file is obtained in memory space.
Wherein, the information stored in first memory space is eliminated after onboard system replacement, and described second
The information stored in memory space is retained after onboard system replacement.
Typically, first memory space can be the calculator memory of the onboard system or cpu cache etc., institute
State the second memory space can be the onboard system external memory (for example, the USB flash disk of hard disk or carry in the onboard system
Or removable CD etc.).
In the present embodiment, by storing history in information is not wiped free of when onboard system is reset the second memory space
Auxiliary positioning file, the positioning time of GPS location first can be effectively reduced after onboard system is reset, greatly improves use
The usage experience at family.
S130, using the history positioning associated information recorded in the second history auxiliary positioning file, carry out GPS and determine
Position.
On the basis of the various embodiments described above, the history positioning associated recorded in the second history auxiliary positioning file is believed
Breath includes：When the last history positioning result of the onboard system, history corresponding with history positioning result positioning
Between and history almanac data corresponding with the history positioning result.
Accordingly, using the history positioning associated information recorded in the second history auxiliary positioning file, carry out GPS and determine
Position can include：
If it is determined that present system time and the time difference of the history positioning time meet the ageing condition of ephemeris, then
GPS location is carried out using the history almanac data；
If it is determined that present system time and the time difference of the history positioning time are unsatisfactory for the ageing condition of ephemeris,
Then networking obtains renewal almanac data corresponding with the history positioning result, and carries out GPS according to the renewal almanac data
Positioning.
In general, after GPS location terminates each time, the almanac data used when prelocalization can be retained, namely：This
The information of the position location satellite used in secondary position fixing process, still, almanac data be have it is certain ageing, such as：2 hours or
Person 3 hours etc., that is to say, that being covered in the satellite of same physical region can change because of the passage of time.
Therefore, when carrying out GPS location using the second history auxiliary positioning file, second history is detected first
Whether the history almanac data recorded in auxiliary positioning file is still available, that is, present system time positions with the history
The time difference of time is no more than the effective time of ephemeris.If available, directly carry out GPS using above-mentioned history almanac data and determine
Position；If unavailable, assume near the history positioning result that user records in the second history auxiliary positioning file, then may be used
According to the history positioning result, to obtain under present system time, with covering defending for the history positioning result region
Renewal almanac data corresponding to star, and GPS location is carried out according to the renewal almanac data.
It is, of course, understood that may be because a variety of causes be (for example, GPS navigation or short is not used in user for a long time
Distant distance etc. is moved in time), also it can not quickly realize that GPS determines by above-mentioned second history auxiliary positioning file
Position, now, it is necessary to searched for again in full frequency band and find gps satellite to realize GPS location.Nonetheless, the present embodiment is passed through
Method, the GPS location speed after resetting can also be improved with very big probability.
The embodiment of the present invention by the second memory space not being wiped free of after onboard system is reset backup history aid in
Location data, it is possible to achieve when onboard system is reset, it can also obtain history auxiliary positioning data and carry out assistant GPS positioning,
To improve the GPS location speed after onboard system replacement.
Embodiment two
Fig. 4 is the stream of the method for GPS location speed after a kind of raising onboard system that the embodiment of the present invention two provides is reset
Cheng Tu.The present embodiment is optimized based on above-described embodiment, in the present embodiment, auxiliary using second history in step
The history positioning associated information recorded is helped in positioning file, after carrying out GPS location, in addition to：Terminate in this GPS location
Afterwards, auxiliary positioning file corresponding with this GPS location result is generated；It is fixed using auxiliary corresponding with this GPS location result
Position file, replaces the second history auxiliary positioning file in second memory space.
Accordingly, the method for the present embodiment specifically includes：
S210, the GPS location inputted according to user are asked, and first is obtained in the first memory space of the onboard system
History auxiliary positioning file.
S220, judge whether to obtain the first history auxiliary positioning file in first memory space：If so, hold
Row S230；Otherwise, S240 is performed.
S230, the first history auxiliary positioning file is obtained in first memory space, perform S250.
Wherein, first memory space is generally the caching of the onboard system, may be deposited in first memory space
Contain multiple history auxiliary positioning files.Typically, history auxiliary positioning corresponding with the GPS location of the last time can be obtained
File is as the first history auxiliary positioning file.
S240, the second history auxiliary positioning file is obtained in the second memory space, perform S260.
Wherein, second memory space can be but be not restricted to for memory block pre-set in onboard system
Domain, that is, the history auxiliary positioning text being stored in the storage region will not be removed when onboard system is reset by setting the storage region
Part.Or second memory space can also be built-in SD card in onboard system, to cause when onboard system is reset
The history auxiliary positioning file being stored in the SD card will not be removed.
S250, using the history positioning associated information recorded in the first history auxiliary positioning file, carry out GPS and determine
Position.
S260, using the history positioning associated information recorded in the second history auxiliary positioning file, carry out GPS and determine
Position, perform S270.
S270, after this GPS location terminates, generate corresponding with this GPS location result auxiliary positioning file.
Wherein, auxiliary positioning file includes but is not restricted to only satellite almanac data, history positioning result and history
The information such as positioning time.Generation auxiliary positioning file corresponding with this GPS location result can be placed on the first memory space
In.
S280, using auxiliary positioning file corresponding with this GPS location result, replace in second memory space
The second history auxiliary positioning file.
Specifically, when onboard system is reset, the information stored in first memory space is in the onboard system
It will be eliminated after replacement, the information stored in second memory space will be retained after onboard system replacement, then put
Auxiliary positioning file corresponding with this GPS location result in the first memory space is put, replacement is placed on the second storage sky
Between in auxiliary positioning file, generate the second history auxiliary positioning file, to ensure after onboard system is reset,
If not obtaining the first history auxiliary positioning file in first memory space, obtained in the second memory space
Second history auxiliary positioning file, believe thereby using the history positioning associated recorded in the second history auxiliary positioning file
Breath, carry out GPS location.
The embodiment of the present invention is by confirming the history auxiliary positioning file in the memory space of onboard system, using described
The history positioning associated information recorded in history auxiliary positioning file carries out GPS location, and after each GPS location terminates,
All generate auxiliary positioning file corresponding with this GPS location result, while use auxiliary corresponding with this GPS location result
File is positioned, the second history auxiliary positioning file in second memory space is replaced, ensures even in onboard system
After being reset, onboard system still can realize GPS location by obtaining the auxiliary positioning file in the second memory space, to realize
Improve the locating speed after onboard system replacement.
Embodiment three
Fig. 5 is the stream of the method for GPS location speed after a kind of raising onboard system that the embodiment of the present invention three provides is reset
Cheng Tu.The present embodiment is optimized based on above-described embodiment.
Accordingly, the method for the present embodiment specifically includes：
S310, the GPS location inputted according to user are asked, and first is obtained in the first memory space of the onboard system
History auxiliary positioning file.
S320, if the first history auxiliary positioning file is not obtained in first memory space, second
The second history auxiliary positioning file is obtained in memory space.
S330, using the history positioning associated information recorded in the second history auxiliary positioning file, carry out GPS and determine
Position.
S340, the onboard system reset indication inputted according to user, are obtained in the first memory space of the onboard system
Take target histories auxiliary positioning file corresponding with the GPS location of the last time.
In the onboard system reset indication of user's input, the information stored in first memory space is described vehicle-mounted
System will be eliminated after resetting, and then be obtained in the first memory space of onboard system corresponding with the GPS location of the last time
Target histories auxiliary positioning file.
S350, using the target histories auxiliary positioning file as the second history auxiliary positioning file copy to described
Stored in second memory space.
On the basis of the various embodiments described above, if it is determined that it is auxiliary to be previously stored with the second history in second memory space
Positioning file is helped, then replaces the second history auxiliary positioning file using the target histories auxiliary positioning file.
The benefit so set is：After onboard system receives reset indication, by mesh corresponding to the GPS location of the last time
History auxiliary positioning file is marked, is copied in the second memory space, both ensure that and be still stored with after onboard system replacement
History auxiliary positioning file, it can be used after onboard system replacement, not influence the GPS location speed after onboard system is reset,
Target histories auxiliary positioning file space-consuming corresponding to the last GPS location is reasonable simultaneously, avoids causing onboard system
It is too big to take storage, influences onboard system GPS location speed.
The embodiment of the present invention is by after onboard system reset indication is received, in the first memory space of the onboard system
Middle acquisition target histories auxiliary positioning file corresponding with the GPS location of the last time, by target histories auxiliary positioning text
Part is stored as the second history auxiliary positioning file copy into second memory space, thereby using the history
The history positioning associated information recorded in auxiliary positioning file carries out GPS location, is improved with realizing after onboard system replacement
Locating speed.
Example IV
Fig. 6 is the knot of the system of GPS location speed after a kind of raising onboard system that the embodiment of the present invention four provides is reset
Composition, the present embodiment are applicable to carry out the situation of GPS location speed raising after onboard system is reset.
As shown in fig. 6, the system includes：First history auxiliary positioning file acquisition module 410, the second history auxiliary are fixed
Position file acquisition module 420 and d GPS locating module 430, wherein：
First history auxiliary positioning file acquisition module 410, for the GPS location request inputted according to user, described
The first history auxiliary positioning file is obtained in first memory space of onboard system；
Second history auxiliary positioning file acquisition module 420, if for not obtaining institute in first memory space
The first history auxiliary positioning file is stated, then the second history auxiliary positioning file is obtained in the second memory space；
D GPS locating module 430, for being believed using the history positioning associated recorded in the second history auxiliary positioning file
Breath, carry out GPS location.
Wherein, the information stored in first memory space is eliminated after onboard system replacement, and described second
The information stored in memory space is retained after onboard system replacement.
The system of GPS location speed is used to perform carrying for the various embodiments described above after the raising onboard system of the present embodiment is reset
The method of GPS location speed after high onboard system is reset, its technical principle is similar with caused technique effect, no longer superfluous here
State.
On the basis of the various embodiments described above, the history positioning associated recorded in the second history auxiliary positioning file is believed
Breath includes：When the last history positioning result of the onboard system, history corresponding with history positioning result positioning
Between and history almanac data corresponding with the history positioning result.
On the basis of the various embodiments described above, the d GPS locating module 430 is specifically used for：
If it is determined that present system time and the time difference of the history positioning time meet the ageing condition of ephemeris, then
GPS location is carried out using the history almanac data；
If it is determined that present system time and the time difference of the history positioning time are unsatisfactory for the ageing condition of ephemeris,
Then networking obtains renewal almanac data corresponding with the history positioning result, and carries out GPS according to the renewal almanac data
Positioning.
On the basis of the various embodiments described above, described device also includes：Auxiliary positioning file generating module 440 and second is gone through
History auxiliary positioning file replacement module 450.
Auxiliary positioning file generating module 440, for after this GPS location terminates, generating and this GPS location result
Corresponding auxiliary positioning file.
Second history auxiliary positioning alternate file module 450, it is fixed for use auxiliary corresponding with this GPS location result
Position file, replaces the second history auxiliary positioning file in second memory space.
On the basis of the various embodiments described above, as shown in fig. 7, described device also includes：Target histories auxiliary positioning file
Acquisition module 460 and target histories auxiliary positioning file storage module 470.
Target histories auxiliary positioning file acquisition module 460, for the onboard system reset indication inputted according to user,
Target histories auxiliary positioning text corresponding with the GPS location of the last time is obtained in first memory space of the onboard system
Part.
Target histories auxiliary positioning file storage module 470, for using the target histories auxiliary positioning file as institute
The second history auxiliary positioning file copy is stated to be stored into second memory space.
On the basis of the various embodiments described above, the target histories auxiliary positioning file module storage 470 is specifically used for：Such as
Fruit is determined to be previously stored with the second history auxiliary positioning file in second memory space, then aided in using the target histories
Position file and replace the second history auxiliary positioning file.
What the various embodiments described above were provided improves the executable present invention times of system of GPS location speed after onboard system is reset
The method of GPS location speed after the raising onboard system that meaning embodiment is provided is reset, possess execution raising onboard system and reset
The corresponding functional module of the method for GPS location speed and beneficial effect afterwards.
Embodiment five
The embodiment of the present invention also provides a kind of storage medium for including computer executable instructions, and the computer can perform
Instruct when being performed by computer processor for performing a kind of method for improving GPS location speed after onboard system is reset, should
Method includes：
Positioning is completed in response to an onboard system, the auxiliary positioning message file generated is backuped into external storage
In equipment；
It is again turned on positioning in response to onboard system, checks that ad-hoc location whether there is auxiliary positioning message file, if depositing
Directly using local auxiliary positioning message file；If being not present, carry out in next step；
The auxiliary positioning message file being stored in External memory equipment is read, auxiliary information is provided for positioning；
Or the computer executable instructions are vehicle-mounted for performing another raising when being performed by computer processor
The method of GPS location speed, this method include after system is reset：
The GPS location inputted according to user is asked, and the first history is obtained in the first memory space of the onboard system
Auxiliary positioning file；
It is empty in the second storage if not obtaining the first history auxiliary positioning file in first memory space
Between it is middle acquisition the second history auxiliary positioning file；
Using the history positioning associated information recorded in the second history auxiliary positioning file, GPS location is carried out；
Wherein, the information stored in first memory space is eliminated after onboard system replacement, and described second
The information stored in memory space is retained after onboard system replacement.
Optionally, the computer executable instructions can be also used for performing the present invention times when being performed by computer processor
The technical scheme of the method for GPS location speed after a kind of raising onboard system that meaning embodiment is provided is reset.
By the description above with respect to embodiment, it is apparent to those skilled in the art that, the present invention
It can be realized by software and required common hardware, naturally it is also possible to realized by hardware, but the former is more in many cases
Good embodiment.Based on such understanding, what technical scheme substantially contributed to prior art in other words
Part can be embodied in the form of software product, and the computer software product can be stored in computer-readable recording medium
In, floppy disk, read-only storage (Read-Only Memory, ROM), random access memory (Random such as computer
Access Memory, RAM), flash memory (FLASH), hard disk or CD etc., including some instructions are causing a computer to set
Standby (can be personal computer, server, or network equipment etc.) performs the method described in each embodiment of the present invention.
Embodiment six
As shown in figure 8, a kind of hardware architecture diagram of the onboard system provided for the embodiment of the present invention six, such as Fig. 8 institutes
Show, the onboard system includes：
One or more processors 610, in Fig. 8 by taking a processor 610 as an example；
Memory 620；
The onboard system can also include：Input unit 630 and output device 640.
Processor 610, memory 620, input unit 630 and output device 640 in the onboard system can pass through
Bus or other modes connect, in Fig. 8 exemplified by being connected by bus.
Memory 620 is used as a kind of non-transient computer readable storage medium storing program for executing, can available for storage software program, computer
Configuration processor and module, the method pair of GPS location speed after being reset such as a kind of raising onboard system in the embodiment of the present invention
Answer programmed instruction/module (for example, memory module 1 shown in accompanying drawing 2, check module 2 and read module 3, or, the institute of accompanying drawing 6
The first history auxiliary positioning file acquisition module 410, the second history auxiliary positioning file acquisition module 420 and the GPS location shown
Module 430).Processor 610 is stored in software program, instruction and module in memory 620 by operation, so as to perform car
The various function application of loading system and data processing, that is, after realizing that a kind of raising onboard system of above method embodiment is reset
The method of GPS location speed.
Memory 620 can include storing program area and storage data field, wherein, storing program area can store operation system
Application program required for system, at least one function；Storage data field can store uses created number according to onboard system
According to etc..In addition, memory 620 can include high-speed random access memory, non-transitory memory can also be included, such as extremely
Few a disk memory, flush memory device or other non-transitory solid-state memories.In certain embodiments, memory
620 is optional including that can pass through network connection to end relative to the remotely located memory of processor 610, these remote memories
End equipment.The example of above-mentioned network includes but is not limited to internet, intranet, LAN, mobile radio communication and combinations thereof.
Input unit 630 can be used for the numeral or character information for receiving input, and produces and set with the user of onboard system
Put and the input of key signals that function control is relevant.Output device 640 may include the display devices such as display screen.
The embodiment of the present invention also includes：
A1, a kind of method for improving GPS location speed after onboard system is reset, wherein, this method comprises the following steps：
Positioning is completed in response to an onboard system, the auxiliary positioning message file generated is backuped into external storage
In equipment；
It is again turned on positioning in response to onboard system, checks that ad-hoc location whether there is auxiliary positioning message file, if depositing
Directly using local auxiliary positioning message file；If being not present, carry out in next step；
The auxiliary positioning message file being stored in External memory equipment is read, auxiliary information is provided for positioning.
B2, a kind of system for improving GPS location speed after onboard system is reset, wherein, the system includes：
Memory module, for completing positioning, the auxiliary positioning message file that will have been generated in response to an onboard system
Backup in External memory equipment；
Module is checked, for being again turned on positioning in response to onboard system, checks that ad-hoc location whether there is auxiliary positioning
Message file, if in the presence of directly using local auxiliary positioning message file；If being not present, carry out in next step；
Read module, for reading the auxiliary positioning message file being stored in External memory equipment, provided for positioning auxiliary
Supplementary information.
C3, a kind of method for improving GPS location speed after onboard system is reset, methods described include：
The GPS location inputted according to user is asked, and the first history is obtained in the first memory space of the onboard system
Auxiliary positioning file；
It is empty in the second storage if not obtaining the first history auxiliary positioning file in first memory space
Between it is middle acquisition the second history auxiliary positioning file；
Using the history positioning associated information recorded in the second history auxiliary positioning file, GPS location is carried out；
Wherein, the information stored in first memory space is eliminated after onboard system replacement, and described second
The information stored in memory space is retained after onboard system replacement.
C4, the method according to C3, the history positioning associated information recorded in the second history auxiliary positioning file
Including：
When the last history positioning result of the onboard system, history corresponding with history positioning result positioning
Between and history almanac data corresponding with the history positioning result.
C5, the method according to C4, it is described to be positioned using the history recorded in the second history auxiliary positioning file
Related information, GPS location is carried out, including：
If it is determined that present system time and the time difference of the history positioning time meet the ageing condition of ephemeris, then
GPS location is carried out using the history almanac data；
If it is determined that present system time and the time difference of the history positioning time are unsatisfactory for the ageing condition of ephemeris,
Then networking obtains renewal almanac data corresponding with the history positioning result, and carries out GPS according to the renewal almanac data
Positioning.
C6, the method according to any one of C3-C5, what is recorded in using the second history auxiliary positioning file is gone through
History positioning associated information, after carrying out GPS location, in addition to：
After this GPS location terminates, auxiliary positioning file corresponding with this GPS location result is generated；
Using auxiliary positioning file corresponding with this GPS location result, replace described in second memory space
Second history auxiliary positioning file.
C7, the method according to any one of C3-C5, in addition to：
According to user input onboard system reset indication, in the first memory space of the onboard system obtain with most
Target histories auxiliary positioning file corresponding to GPS location closely once；
Using the target histories auxiliary positioning file as the second history auxiliary positioning file copy to described second
Stored in memory space.
C8, the method according to C7, it is fixed to be aided in using the target histories auxiliary positioning file as second history
Position file copy is stored into second memory space, including：
If it is determined that the second history auxiliary positioning file is previously stored with second memory space, then using the mesh
Mark history auxiliary positioning file and replace the second history auxiliary positioning file.
D9, a kind of system for improving GPS location speed after onboard system is reset, the system include：
First history auxiliary positioning file acquisition module, for the GPS location request inputted according to user, described vehicle-mounted
The first history auxiliary positioning file is obtained in first memory space of system；
Second history auxiliary positioning file acquisition module, if for not obtaining described in first memory space
One history auxiliary positioning file, then the second history auxiliary positioning file is obtained in the second memory space；
D GPS locating module, for using the history positioning associated information recorded in the second history auxiliary positioning file,
Carry out GPS location；
Wherein, the information stored in first memory space is eliminated after onboard system replacement, and described second
The information stored in memory space is retained after onboard system replacement.
D10, the system according to D9, the history positioning associated information recorded in the second history auxiliary positioning file
Including：
When the last history positioning result of the onboard system, history corresponding with history positioning result positioning
Between and history almanac data corresponding with the history positioning result.
E11, a kind of onboard system, including memory, processor and storage can be run on a memory and on a processor
Computer program, the method as described in any in A1, C3-C8 is realized during the computing device described program.
F12, a kind of computer-readable recording medium, are stored thereon with computer program, when the program is executed by processor
Realize the method as described in any in A1, C3-C8.
Pay attention to, above are only presently preferred embodiments of the present invention and institute's application technology principle.It will be appreciated by those skilled in the art that
The invention is not restricted to specific embodiment described here, can carry out for a person skilled in the art various obvious changes,
Readjust and substitute without departing from protection scope of the present invention.Therefore, although being carried out by above example to the present invention
It is described in further detail, but the present invention is not limited only to above example, without departing from the inventive concept, also
Other more equivalent embodiments can be included, and the scope of the present invention is determined by scope of the appended claims.
Claims (10)
- A kind of 1. method for improving GPS location speed after onboard system is reset, it is characterised in that including：Positioning is completed in response to an onboard system, the auxiliary positioning message file generated is backuped into External memory equipment In；It is again turned on positioning in response to onboard system, checks that ad-hoc location whether there is auxiliary positioning message file, if in the presence of directly Connect using local auxiliary positioning message file；If being not present, carry out in next step；The auxiliary positioning message file being stored in External memory equipment is read, auxiliary information is provided for positioning.
- A kind of 2. system for improving GPS location speed after onboard system is reset, it is characterised in that including：Memory module, for completing positioning in response to an onboard system, the auxiliary positioning message file generated is backed up Into External memory equipment；Module is checked, for being again turned on positioning in response to onboard system, checks that ad-hoc location whether there is auxiliary positioning information File, if in the presence of directly using local auxiliary positioning message file；If being not present, carry out in next step；Read module, for reading the auxiliary positioning message file being stored in External memory equipment, auxiliary letter is provided for positioning Breath.
- A kind of 3. method for improving GPS location speed after onboard system is reset, it is characterised in that including：The GPS location inputted according to user is asked, and the first history auxiliary is obtained in the first memory space of the onboard system Position file；If the first history auxiliary positioning file is not obtained in first memory space, in the second memory space Obtain the second history auxiliary positioning file；Using the history positioning associated information recorded in the second history auxiliary positioning file, GPS location is carried out；Wherein, the information stored in first memory space is eliminated after onboard system replacement, second storage The information stored in space is retained after onboard system replacement.
- 4. according to the method for claim 3, it is characterised in that the history recorded in the second history auxiliary positioning file Positioning associated information includes：The last history positioning result of the onboard system, history positioning time corresponding with the history positioning result with And history almanac data corresponding with the history positioning result.
- 5. according to the method for claim 4, it is characterised in that described use is remembered in the second history auxiliary positioning file The history positioning associated information of record, GPS location is carried out, including：If it is determined that present system time and the time difference of the history positioning time meet the ageing condition of ephemeris, then use The history almanac data carries out GPS location；If it is determined that present system time and the time difference of the history positioning time are unsatisfactory for the ageing condition of ephemeris, then join Net obtains renewal almanac data corresponding with the history positioning result, and carries out GPS location according to the renewal almanac data.
- 6. according to the method described in claim any one of 3-5, it is characterised in that using the second history auxiliary positioning text The history positioning associated information recorded in part, after carrying out GPS location, in addition to：After this GPS location terminates, auxiliary positioning file corresponding with this GPS location result is generated；Using auxiliary positioning file corresponding with this GPS location result, described second in second memory space is replaced History auxiliary positioning file.
- 7. according to the method described in claim any one of 3-5, it is characterised in that also include：The onboard system reset indication inputted according to user, obtained and nearest one in the first memory space of the onboard system Target histories auxiliary positioning file corresponding to secondary GPS location；Using the target histories auxiliary positioning file as the second history auxiliary positioning file copy to the described second storage Stored in space.
- A kind of 8. system for improving GPS location speed after onboard system is reset, it is characterised in that including：First history auxiliary positioning file acquisition module, for the GPS location request inputted according to user, in the onboard system The first memory space in obtain the first history auxiliary positioning file；Second history auxiliary positioning file acquisition module, if gone through for not obtaining described first in first memory space History auxiliary positioning file, then the second history auxiliary positioning file is obtained in the second memory space；D GPS locating module, for using the history positioning associated information recorded in the second history auxiliary positioning file, carrying out GPS location；Wherein, the information stored in first memory space is eliminated after onboard system replacement, second storage The information stored in space is retained after onboard system replacement.
- 9. a kind of onboard system, including memory, processor and storage are on a memory and the calculating that can run on a processor Machine program, it is characterised in that the side as described in any in claim 1,3-7 is realized during the computing device described program Method.
- 10. a kind of computer-readable recording medium, is stored thereon with computer program, it is characterised in that the program is by processor The method as described in any in claim 1,3-7 is realized during execution.
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| CN112292615A (en) * | 2019-10-29 | 2021-01-29 | 深圳市大疆创新科技有限公司 | Positioning method and device of movable platform and movable platform |
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