CN103995588A - Displacement distance obtaining method and device and displacement distance application method and device - Google Patents
Displacement distance obtaining method and device and displacement distance application method and device Download PDFInfo
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- CN103995588A CN103995588A CN201410203205.XA CN201410203205A CN103995588A CN 103995588 A CN103995588 A CN 103995588A CN 201410203205 A CN201410203205 A CN 201410203205A CN 103995588 A CN103995588 A CN 103995588A
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Abstract
The invention provides a displacement distance obtaining method and device and a displacement distance application method and device. Three-dimensional coordinates of a mobile device are obtained through an acceleration sensor of the mobile device, the displacement distance of the mobile device is calculated through two adjacent three-dimensional coordinates and time corresponding to the three-dimensional coordinates, and the acceleration sensor and the time cannot be influenced by GPS signals so that the displacement distance of the mobile device can be obtained when no GPS signals exist. The using method of the displacement distance obtaining method and device and the displacement distance application method and device is simple and easy to implement, the distance of the mobile device can be rapidly calculated when no GPS signals exist.
Description
Technical field
The present invention relates to field of mobile communication, relate in particular to a kind of acquisition methods, device and application process thereof and device of displacement.
Background technology
At present, many aspects all need to utilize GPS to position, and by GPS, located and position is marked on map, can record the displacement of object by the distance between adjacent two positions.But GPS can be subject to the interference of weather conditions (sunspot, cloudy day or rainy), electric electromagnetic interference (EMI), radio, high-intensity magnetic field or overcover, and after interference, the signal of GPS can reduce, and even causes mobile device to can not receive gps signal.
Now GPS can accurately not provide for mobile device user the service of position and measurement displacement, therefore needs now a kind of distance-finding method that is not subject to external interference.
Summary of the invention
The invention provides a kind of acquisition methods, device and application process thereof and device of displacement, this method can be measured accurately the displacement of mobile device in the situation that there is no GPS.
To achieve these goals, the invention provides following technological means:
An acquisition methods for mobile device displacement, comprising:
When mobile device status changes, obtain the very first time and the first three-dimensional coordinate, described the first three-dimensional coordinate is according to acceleration transducer, to determine from mobile device;
Calculate the time difference of the described very first time and the second time, described the second time is the time that last time, mobile status changed;
The absolute value that calculates the difference of described the first three-dimensional coordinate and value and the second three-dimensional coordinate and value, described the second three-dimensional coordinate is the three-dimensional coordinate corresponding with described the second time;
When the quotient of described absolute value and described time difference is greater than preset value, by the cumulative 1m of the displacement of described mobile device;
Obtain the displacement of mobile device.
Preferably, the step of obtaining the first three-dimensional coordinate by acceleration transducer comprises:
According to the acceleration transducer of X-axis, Y-axis and Z axis, obtain the coordinate of X-axis, Y-axis and Z axis;
Coordinate according to X-axis, Y-axis and Z axis forms described the first three-dimensional coordinate.
Preferably, described time difference is greater than 100ms.
Preferably, the described very first time and described the second time obtain by the system time of mobile device.
Preferably, described preset value is 0.02.
An acquisition methods for mobile device displacement, comprising:
Through GPS, obtain the current location of mobile device;
Described current location and previous position are contrasted;
When both are inconsistent, described current location are stored to database, and calculate the displacement between described current location and described previous position;
When both are consistent, adopt the method for claim 1 to calculate displacement;
Obtain the displacement of mobile device.
A Trajectories Toggle method based on map, comprising:
The start position and the final position that adopt GPS to obtain mobile device;
Utilize the method for claim 1 to obtain the displacement of described mobile device;
Utilize the moving direction of start position and emphasis location positioning mobile device;
By described moving direction, described displacement is marked on map.
An acquisition device for mobile device displacement, comprising:
Data capture unit, for when mobile device status changes, obtains the very first time and the first three-dimensional coordinate, and described the first three-dimensional coordinate is according to acceleration transducer, to determine from mobile device;
Difference computational unit, for calculating the time difference of the described very first time and the second time, described the second time is the time that last time, mobile status changed;
Quotient computing unit, for calculating the absolute value of the difference of described the first three-dimensional coordinate and value and the second three-dimensional coordinate and value, described the second three-dimensional coordinate is the three-dimensional coordinate corresponding with described the second time;
Processing unit, while being greater than preset value for the quotient when described absolute value and described time difference, by the cumulative 1m of the displacement of described mobile device;
The first distance acquiring unit, for obtaining the displacement of mobile device.
An acquisition device for mobile device displacement, comprising:
Primary importance acquiring unit, for obtaining the current location of mobile device through GPS;
Contrast unit, for contrasting described current location and previous position;
The first computing unit, for when both are inconsistent, is stored to database by described current location, and calculates the displacement between described current location and described previous position;
The second computing unit, for when both are consistent, adopts the method for claim 1 to calculate displacement;
Second distance acquiring unit, for obtaining the displacement of mobile device.
A Trajectories Toggle device based on map, comprising:
Second place acquiring unit, for adopting GPS to obtain start position and the final position of mobile device;
The 3rd distance acquiring unit, for utilizing the method for claim 1 to obtain the displacement of described mobile device;
Orientation determination unit, for utilizing the moving direction of start position and emphasis location positioning mobile device;
Indexing unit, for being marked at map by described moving direction by described displacement.
The invention provides a kind of acquisition methods of mobile device displacement, the method utilizes the acceleration transducer of mobile device itself to obtain the three-dimensional coordinate of mobile device, the displacement of calculating mobile device by two adjacent three-dimensional coordinates and the time corresponding with three-dimensional coordinate, because acceleration transducer and time can not be subject to the impact of gps signal, therefore when there is no gps signal, by this method, can obtain the displacement of mobile device, and adopt the using method of this method simple, can when there is no gps signal, calculate rapidly the distance of mobile device.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the process flow diagram of the acquisition methods of the disclosed mobile device displacement of the embodiment of the present invention;
Fig. 2 is the process flow diagram of the acquisition methods of the disclosed another mobile device displacement of the embodiment of the present invention;
Fig. 3 is the process flow diagram of the disclosed Trajectories Toggle method based on map of the embodiment of the present invention;
Fig. 4 is the structural representation of the acquisition device of the disclosed mobile device displacement of the embodiment of the present invention;
Fig. 5 is the structural representation of the acquisition device of the disclosed another mobile device displacement of the embodiment of the present invention;
Fig. 6 is the structural representation of the disclosed Trajectories Toggle device based on map of the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
The invention provides a kind of acquisition methods of mobile device displacement, as shown in Figure 1, comprise the following steps:
Step S101: when mobile device status changes, obtain the very first time and the first three-dimensional coordinate, described the first three-dimensional coordinate is to determine according to acceleration transducer from mobile device;
Preferably, the step of obtaining the first three-dimensional coordinate by acceleration transducer comprises: the coordinate that obtains X-axis, Y-axis and Z axis according to the acceleration transducer of X-axis, Y-axis and Z axis; Coordinate according to X-axis, Y-axis and Z axis forms described the first three-dimensional coordinate.
Step S102: calculate the time difference of the described very first time and the second time, described the second time is the time that last time, mobile status changed;
Preferably, the described very first time and described the second time obtain by the system time of mobile device.
Preferably, described time difference is greater than 100ms, when described time difference is greater than 100ms, prove mobile device generation twice state variation, otherwise think that the state of mobile device does not change.
Step S103: calculate the absolute value of the difference of described the first three-dimensional coordinate and value and the second three-dimensional coordinate and value, described the second three-dimensional coordinate is the three-dimensional coordinate corresponding with described the second time;
Step S104: when the quotient of described absolute value and described time difference is greater than preset value, by the cumulative 1m of the displacement of described mobile device;
Preferably, described preset value is 0.02.When adopting other computing formula, be understandable that preset value also can change thereupon.
Step S105: the displacement of obtaining mobile device.
In existing Intelligent mobile equipment, all comprise gravity sensor, the present invention obtains mobile device three-dimensional coordinate by gravity sensor, establishes the first three-dimensional coordinate and comprises (x, y, z), introduces the meaning of the three-dimensional coordinate parameter representative of mobile device below:
When x=y=0, mobile device is in horizontal positioned state.
When x=0 and y>0, the horizontal level at mobile device top is greater than bottom, the residing state of mobile device while generally receiving calls.
When x=0 and y<0, the horizontal level at mobile device top is less than bottom, and mobile device is generally seldom in this state.
When y=0 and x>0, the horizontal level on mobile device right side is greater than left side, and namely right side is lifted.
When y=0 and x<0, the horizontal level on mobile device right side is less than left side, and namely left side is lifted.
When z=0, mobile device plane is vertical with surface level.
When z>0, mobile device screen upward.
When z<0, mobile device screen down.
This method can be calculated the variation of x, y and z constantly, when one of them coordinate changes, the state that represents mobile device changes, on pre-recorded before the present invention carries out once the second three-dimensional coordinate of state variation and with on the second time of state variation once, when the state of mobile device changes again, record now the first three-dimensional coordinate and the current very first time of mobile device.
In order to clearly demonstrate process of the present invention, take the first three-dimensional coordinate as (x1, y1, z1), very first time t1, the second three-dimensional coordinate is (x2, y2, z2), the second time was t2, calculate the speed Speed of current mobile device, Speed=ABS (x2+y2+z2-x1-y1-z1)/(t2-t1), when t2-t1>100ms and Speed>0.02, to the cumulative 1m of displacement.If t2-t1>100ms or Speed>0.02 are false, illustrate that the displacement of mobile device does not change.
Preferably, the general speed that adopts Speed=ABS (x2+y2+z2-x1-y1-z1)/(t2-t1) * 10000 to calculate mobile device in actual conditions, when t2-t1>100ms and Speed>200, by the cumulative 1m of displacement.
The invention provides a kind of measuring method of mobile device displacement, the method utilizes the acceleration transducer of mobile device itself to obtain the three-dimensional coordinate of mobile device, the displacement of calculating mobile device by two adjacent three-dimensional coordinates and the time corresponding with three-dimensional coordinate, because acceleration transducer and time can not be subject to the impact of gps signal, therefore when there is no gps signal, by this method, can obtain the displacement of mobile device, and adopt the using method of this method simple, can when there is no gps signal, calculate rapidly the distance of mobile device.
As shown in Figure 2, the invention provides the acquisition methods of another mobile device displacement, comprising:
Step S201: the current location of obtaining mobile device through GPS;
Step S202: described current location and previous position are contrasted;
Step S203: when both are inconsistent, described current location is stored to database, and calculates the displacement between described current location and described previous position;
Step S204: when both are consistent, adopt the method calculating displacement as Fig. 1;
Step S205: the displacement of obtaining mobile device.
The invention provides a kind of acquisition methods of mobile device displacement, the position that adopts GPS to obtain mobile device, when the current location of mobile device is consistent with pre-stored previous position, illustrate that GPS lost efficacy, mobile device is positioned at the blind area that GPS covers, and therefore as the mode of Fig. 1, calculates now the displacement of mobile device.When if current location and previous position are inconsistent, described current location can be stored to database, and calculate displacement between the two according to current location and previous position, obtain thus the displacement of mobile device.
This method can either be obtained the displacement of mobile device in the situation that GPS communication is good can obtain the displacement of mobile device again in the situation that GPS communication is poor, therefore the method scope of application provided by the invention is wider, the displacement of obtaining mobile device that can be real-time.
As shown in Figure 3, the present invention also provides a kind of Trajectories Toggle method based on map, comprising:
Step S301: the start position and the final position that adopt GPS to obtain mobile device;
Step S302: utilize as the method for Fig. 1 obtain as described in the displacement of mobile device;
Step S303: the moving direction that utilizes start position and emphasis location positioning mobile device;
Step S304: described displacement is marked on map by described moving direction.
The present invention also provides a kind of Trajectories Toggle method of mobile device, first adopt GPS to obtain the starting point of mobile device, adopt again the displacement of method calculating mobile device as shown in Figure 1, the position until mobile device is reached home, owing to only calculating the displacement of mobile device by the method shown in Fig. 1, can not determine the moving direction of mobile device, need to determine according to start position and final position the moving direction of mobile device, then the start position on map, final position and displacement are determined the mobile route of mobile device, thereby mobile device is carried out on map to track mark.
This method can adopt the displacement of obtaining mobile device of acceleration transducer, add being used in conjunction with of GPS, can be accurately on map the motion track to mobile device mark, the method that this method is obtained displacement is simple, for available technology adopting controller calculates mobile device distance, the distance of obtaining mobile device that this method can simple and fast.
As shown in Figure 4, the present invention also provides a kind of acquisition device of mobile device displacement, comprising:
Data capture unit 401, for when mobile device status changes, obtains the very first time and the first three-dimensional coordinate, and described the first three-dimensional coordinate is according to acceleration transducer, to determine from mobile device;
Difference computational unit 402, for calculating the time difference of the described very first time and the second time, described the second time is the time that last time, mobile status changed;
Quotient computing unit 403, for calculating the absolute value of the difference of described the first three-dimensional coordinate and value and the second three-dimensional coordinate and value, described the second three-dimensional coordinate is the three-dimensional coordinate corresponding with described the second time;
Processing unit 404, while being greater than preset value for the quotient when described absolute value and described time difference, by the cumulative 1m of the displacement of described mobile device;
The first distance acquiring unit 405, for obtaining the displacement of mobile device.
As shown in Figure 5, the present invention also provides a kind of acquisition device of mobile device displacement, comprising:
Primary importance acquiring unit 501, for obtaining the current location of mobile device through GPS;
Contrast unit 502, for contrasting described current location and previous position;
The first computing unit 503, for when both are inconsistent, is stored to database by described current location, and calculates the displacement between described current location and described previous position;
The second computing unit 504, for when both are consistent, adopts the method for claim 1 to calculate displacement;
Second distance acquiring unit 505, for obtaining the displacement of mobile device.
As shown in Figure 6, the present invention is a kind of Trajectories Toggle device based on map also, comprising:
Second place acquiring unit 601, for adopting GPS to obtain start position and the final position of mobile device;
The 3rd distance acquiring unit 602, for utilizing the method for claim 1 to obtain the displacement of described mobile device;
Orientation determination unit 603, for utilizing the moving direction of start position and emphasis location positioning mobile device;
Indexing unit 604, for being marked at map by described moving direction by described displacement.
If the function described in the present embodiment method usings that the form of SFU software functional unit realizes and during as production marketing independently or use, can be stored in a computing equipment read/write memory medium.Understanding based on such, the part that the embodiment of the present invention contributes to prior art or the part of this technical scheme can embody with the form of software product, this software product is stored in a storage medium, comprise that some instructions are with so that a computing equipment (can be personal computer, server, mobile computing device or the network equipment etc.) carry out all or part of step of method described in each embodiment of the present invention.And aforesaid storage medium comprises: USB flash disk, portable hard drive, ROM (read-only memory) (ROM, Read-Only Memory), the various media that can be program code stored such as random access memory (RAM, Random Access Memory), magnetic disc or CD.
In this instructions, each embodiment adopts the mode of going forward one by one to describe, and each embodiment stresses is the difference with other embodiment, between each embodiment same or similar part mutually referring to.
Above-mentioned explanation to the disclosed embodiments, makes professional and technical personnel in the field can realize or use the present invention.To the multiple modification of these embodiment, will be apparent for those skilled in the art, General Principle as defined herein can, in the situation that not departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. an acquisition methods for mobile device displacement, is characterized in that, comprising:
When mobile device status changes, obtain the very first time and the first three-dimensional coordinate, described the first three-dimensional coordinate is according to acceleration transducer, to determine from mobile device;
Calculate the time difference of the described very first time and the second time, described the second time is the time that last time, mobile status changed;
The absolute value that calculates the difference of described the first three-dimensional coordinate and value and the second three-dimensional coordinate and value, described the second three-dimensional coordinate is the three-dimensional coordinate corresponding with described the second time;
When the quotient of described absolute value and described time difference is greater than preset value, by the cumulative 1m of the displacement of described mobile device;
Obtain the displacement of mobile device.
2. the method for claim 1, is characterized in that, the step of being obtained the first three-dimensional coordinate by acceleration transducer comprises:
According to the acceleration transducer of X-axis, Y-axis and Z axis, obtain the coordinate of X-axis, Y-axis and Z axis;
Coordinate according to X-axis, Y-axis and Z axis forms described the first three-dimensional coordinate.
3. the method for claim 1, is characterized in that, described time difference is greater than 100ms.
4. the method for claim 1, is characterized in that, the described very first time and described the second time system time by mobile device obtains.
5. the method for claim 1, is characterized in that, described preset value is 0.02.
6. an acquisition methods for mobile device displacement, is characterized in that, comprising:
Through GPS, obtain the current location of mobile device;
Described current location and previous position are contrasted;
When both are inconsistent, described current location are stored to database, and calculate the displacement between described current location and described previous position;
When both are consistent, adopt the method for claim 1 to calculate displacement;
Obtain the displacement of mobile device.
7. the Trajectories Toggle method based on map, is characterized in that, comprising:
The start position and the final position that adopt GPS to obtain mobile device;
Utilize the method for claim 1 to obtain the displacement of described mobile device;
Utilize the moving direction of start position and emphasis location positioning mobile device;
By described moving direction, described displacement is marked on map.
8. an acquisition device for mobile device displacement, is characterized in that, comprising:
Data capture unit, for when mobile device status changes, obtains the very first time and the first three-dimensional coordinate, and described the first three-dimensional coordinate is according to acceleration transducer, to determine from mobile device;
Difference computational unit, for calculating the time difference of the described very first time and the second time, described the second time is the time that last time, mobile status changed;
Quotient computing unit, for calculating the absolute value of the difference of described the first three-dimensional coordinate and value and the second three-dimensional coordinate and value, described the second three-dimensional coordinate is the three-dimensional coordinate corresponding with described the second time;
Processing unit, while being greater than preset value for the quotient when described absolute value and described time difference, by the cumulative 1m of the displacement of described mobile device;
The first distance acquiring unit, for obtaining the displacement of mobile device.
9. an acquisition device for mobile device displacement, is characterized in that, comprising:
Primary importance acquiring unit, for obtaining the current location of mobile device through GPS;
Contrast unit, for contrasting described current location and previous position;
The first computing unit, for when both are inconsistent, is stored to database by described current location, and calculates the displacement between described current location and described previous position;
The second computing unit, for when both are consistent, adopts the method for claim 1 to calculate displacement;
Second distance acquiring unit, for obtaining the displacement of mobile device.
10. the Trajectories Toggle device based on map, is characterized in that, comprising:
Second place acquiring unit, for adopting GPS to obtain start position and the final position of mobile device;
The 3rd distance acquiring unit, for utilizing the method for claim 1 to obtain the displacement of described mobile device;
Orientation determination unit, for utilizing the moving direction of start position and emphasis location positioning mobile device;
Indexing unit, for being marked at map by described moving direction by described displacement.
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| CN201410203205.XA CN103995588B (en) | 2014-05-14 | 2014-05-14 | Displacement distance obtaining method and device and displacement distance application method and device |
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| WO2021174637A1 (en) * | 2020-03-02 | 2021-09-10 | 惠州Tcl移动通信有限公司 | Communication distance calculation method and apparatus |
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