Information processing apparatus, position estimating method, program, artificial satellite system
Information processing apparatus, position estimating method, program, artificial satellite system
 CN 101,545,968 A
 Filed: 03/26/2009
 Published: 09/30/2009
 Est. Priority Date: 03/28/2008
 Status: Active Application
First Claim
Patent Images
1. messaging device, comprise:
 satellite position estimation portion, it is used for estimating the position of described artificial satellite in described random time by with the estimate equation of random time substitution by the position of one or two or more periodic function independents variable and represented, artificial satellite.
Chinese PRB Reexamination
Abstract
The present invention relates to an information processing apparatus, position estimating method, program, artificial satellite system. There is provided an information processing apparatus arranged with a satellite position estimating section for estimating a position of an artificial satellite at an arbitrary time by substituting the arbitrary time to an estimate equation of the position of the artificial satellite represented by a sum of one, or two or more periodic functional arguments.
11 Claims

1. messaging device, comprise:
 satellite position estimation portion, it is used for estimating the position of described artificial satellite in described random time by with the estimate equation of random time substitution by the position of one or two or more periodic function independents variable and represented, artificial satellite.

2. messaging device according to claim 1, this messaging device also comprises:

Acceptance division, it is used to receive the signal that sends from described artificial satellite, and obtains the satellite position information that is included in position in this signal, the described artificial satellite of indication; Storage part, it is used to write down by the accessed described satellite position information of described acceptance division;
AndCoefficient calculations portion, it is used for calculating according to the described satellite position information that is recorded in described storage part each coefficient of the described periodic function independent variable in the described estimate equation, wherein, Except described random time, the described estimate equation of described coefficient substitution that described satellite position estimation portion also will be calculated by described coefficient calculations portion is to estimate the position of described artificial satellite.


3. messaging device according to claim 2, wherein, described coefficient calculations portion is based on the described coefficient that is calculated the described periodic function independent variable with period 1 in very first time section by the accessed described satellite position information of described acceptance division, and based at the described coefficient that calculates the described periodic function independent variable with second round shorter than the described period 1 than described very first time section in the second short time period by the accessed described satellite position information of described acceptance division.

4. messaging device according to claim 2, wherein,
Described satellite position information comprises a plurality of parameters of the position that is used to specify described artificial satellite, and Described estimate equation is according to each parameter in described a plurality of parameters and difference.

5. messaging device according to claim 2, this messaging device also comprises:
 receive control part, it is used for activating described acceptance division on sleep pattern discontinuous ground, so that described acceptance division obtains described satellite position information.

6. messaging device according to claim 2, this messaging device also comprises:
 the elapsed time determination portion, it is used for determining whether passed through the schedule time from each coefficient that described periodic function independent variable calculates in described coefficient calculations portion, wherein,
When described elapsed time determination portion determined to have passed through described schedule time, described coefficient calculations portion calculated each coefficient of described periodic function independent variable once more.
 the elapsed time determination portion, it is used for determining whether passed through the schedule time from each coefficient that described periodic function independent variable calculates in described coefficient calculations portion, wherein,

7. messaging device according to claim 2, this messaging device also comprises:
 device location estimation portion, its be used for based on by estimated that go out, the described artificial satellite of described satellite position estimation portion in the position of described random time, estimate the position of described messaging device in described random time.

8. messaging device according to claim 1, this messaging device also comprises:
 storage part, it is used for being recorded in the described estimate equation that external device (ED) obtains, wherein,
Described satellite position estimation portion estimates the position of described artificial satellite based on being recorded in described estimate equation in the described storage part.
 storage part, it is used for being recorded in the described estimate equation that external device (ED) obtains, wherein,

9. location estimation method may further comprise the steps:

According to the satellite position information of last position of indication artificial satellite, calculate each coefficient by the periodic function independent variable in the estimate equation of the position of one or two or more periodic function independents variable and represented, described artificial satellite;
AndBy random time and the described estimate equation of described coefficient substitution are estimated the position of described artificial satellite in described random time.


10. program, it is used to make computing machine with acting on by the random time substitution is estimated the satellite position estimation portion of described artificial satellite in the position of described random time by the estimate equation of the position of one or two or more periodic function independents variable and represented, artificial satellite.

11. an artificial satellite system comprises:
 artificial satellite;
And receiving trap, it is used to receive the signal that sends from described artificial satellite, wherein,Described artificial satellite sends the signal of the satellite position information that comprises the position of indicating described artificial satellite, and Described receiving trap comprises; Acceptance division, it is used to receive the described signal that sends from described artificial satellite, and obtains the described satellite position information of the position of the described artificial satellite of indication that is included in the described signal; Storage part, it is used to write down by the accessed described satellite position information of described acceptance division; Coefficient calculations portion, it is used for according to being recorded in the described satellite position information of described storage part, calculates each coefficient by the periodic function independent variable in the estimate equation of the position of one or two or more periodic function independents variable and represented, described artificial satellite;
AndSatellite position estimation portion, it is used for estimating the position of described artificial satellite in described random time by with random time and the described estimate equation of described coefficient substitution that calculated by described coefficient calculations portion.
 artificial satellite;
Specification(s)