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Geographical location information estimation method, restoring method and display method

A technology of geographic location information and repair methods, which is applied in the estimation, repair and display of geographic location information, and can solve problems such as electronic equipment cannot be positioned correctly

Inactive Publication Date: 2014-06-18
武汉眸博科技有限公司
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  • Abstract
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Problems solved by technology

[0003] In order to solve the technical problem that the electronic equipment cannot be positioned correctly when the existing smart mobile equipment loses signals such as GPS and Beidou, the present invention provides a method for estimating geographical location information, which is characterized in that it includes the following steps:

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  • Geographical location information estimation method, restoring method and display method
  • Geographical location information estimation method, restoring method and display method
  • Geographical location information estimation method, restoring method and display method

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Embodiment Construction

[0055] The present invention will be further described below in combination with specific embodiments.

[0056] The acceleration sensor on the smart mobile device combines the device's orientation, gyroscope and magnetic field sensor to know the acceleration of the device in three-dimensional space at any time. According to the acceleration device, the displacement information of the device in latitude, longitude and altitude can be estimated.

[0057] The geographical location information estimation method of the embodiment of the present invention includes the following steps:

[0058] Step s01: Take the position point where the positioning signal was lost last time as the reference starting point for position estimation, and this time is t 0 , the geographic location (ie longitude, latitude, altitude) information is (x 0 ,y 0 ,z 0 ), the movement speed is (vx 0 ,vy 0 , vz 0 ), the acceleration is (ax 0 , ay 0 , az 0 );

[0059] Step s02: Obtain time t j =t 0 The...

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Abstract

The invention provides a geographical location information estimation method. The geographical location information estimation method comprises the following steps of step s01, determining a reference starting point: moment t0, geographical location information (x0,y0,z0), speed (vx0,vy0,vz0) and accelerated speed (ax0,ay0,az0); step s02, obtaining accelerated speed (axj,ayj, azj) at the moment tj=t0+j*dt; step s03, calculating the speed (vxj,vyj,vzj) at the moment tj=t0+j*dt; step s04, estimating the displacement (sxj,syj,szj) in the time period from the t[j-1] to tj; and step s05, estimating the geographical location information at the moment the tj: xj=x[j-1]+sxj, yj=y[j-1]+syj, and zj=z[j-1]+szj. The geographical location information estimation method provided by the invention is capable of estimating geographical location information under the condition that GPS, BeiDou and mobile communication signals are lost.

Description

technical field [0001] The invention discloses a method for estimating, repairing and displaying geographic location information, including sensors based on GPS, Beidou, WiFi, GSM, GPRS, CDMA, WCDMA, HSPA, magnetic field, orientation, latitude, speed, acceleration, gyroscope, etc. Intelligent geographic location information estimation, repair and display methods. Background technique [0002] Usually modern smartphones have GPS positioning function, and there are also emerging devices that use Beidou positioning. When GPS or Beidou is turned off or positioning fails, WIFI signals and base station signals (wireless remote transmission technologies such as GSM / GPRS / CDMA / WCDMA / HSPA) are used to assist positioning. Once these signals (GPS, Beidou, WIFI, and base station signals) are lost, existing smart mobile devices cannot be positioned correctly. Contents of the invention [0003] In order to solve the technical problem that the electronic equipment cannot be positioned c...

Claims

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Application Information

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IPC IPC(8): G01C21/16G01C21/20
CPCG01C21/165G01C21/20G01S19/49
Inventor 张昊侯慧慧蒋明
Owner 武汉眸博科技有限公司
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