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Target positioning method and device

A technology for target positioning and current target, which is applied in the field of target positioning methods and devices, and can solve problems such as positioning being susceptible to interference.

Inactive Publication Date: 2017-09-29
SHENZHEN SIKAIWEI ELECTRONICS CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The main purpose of the present invention is to propose a target positioning method and device, aiming to solve the technical problem that positioning is susceptible to interference

Method used

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  • Target positioning method and device

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Embodiment Construction

[0040] It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0041] The invention provides a target positioning method.

[0042] refer to figure 1 , figure 1 It is a schematic flow chart of the first embodiment of the target positioning method of the present invention;

[0043] In this embodiment, the target positioning method includes:

[0044] Step S10, acquiring digital broadcast information sent by the base station at the current target location;

[0045] In this embodiment, in order to solve the technical problem of susceptibility to interference caused by traditional satellite navigation, the two-dimensional position coordinate positioning of the target position is realized by using the digital broadcast information sent by a single base station. Specifically, symbiotic FM broadcasting is a new broadcasting technology in which digital signals and analog signals co-exi...

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Abstract

The invention discloses a target positioning method and device. The method comprises: digital broadcast information transmitted by a base station is obtained at a current target position; according to the digital broadcast information and a first preset rule, a distance between the current target position and the base station is calculated; and on the basis of the digital broadcast information, the distance between the current target position and the base station, and a preset algorithm, a position coordinate of the current target position is calculated and the current target position is localized based on the position coordinate. According to the method disclosed by the invention, information data in the digital broadcast information transmitted from the base station are obtained and the distance between the target position and the base station is calculated; on the basis of the distance and the digital broadcast information, the two-dimensional position coordinate of the target position is calculated; and then the target position is localized based on the two-dimensional position coordinate. Therefore, target position positioning is completed by using one base station, so that a problem that interference occurs frequently because of usage of a navigation satellite is solved.

Description

technical field [0001] The present invention relates to the field of information technology, in particular to a target positioning method and device. Background technique [0002] With the development of science and technology, more and more places need to use positioning technology. At present, most people use GPS, Beidou and other satellite navigation systems to complete target positioning. However, when the satellite navigation system is unavailable due to factors such as the deterioration of the space environment or military and political factors, it is easy for people to fail to locate. On the other hand, using a satellite navigation system for positioning requires at least four visible navigation satellites to complete spatial positioning. Therefore, when there are less than four navigation satellites, even if the positioning position can be obtained, there must be a large error between the positioning position and the actual position. Contents of the invention ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01S19/48G01C21/08
CPCG01C21/08
Inventor 丁元罗光辉
Owner SHENZHEN SIKAIWEI ELECTRONICS CO LTD
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