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Selection method of screening area

A technology of area and circular domain, applied in the field of screening area selection, can solve the problems of complex transmission process, high cost, low reliability, etc., and achieve the effect of simple transmission process, low cost and high reliability

Inactive Publication Date: 2015-03-25
GUANGXI UNIVERSITY OF TECHNOLOGY
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  • Summary
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Problems solved by technology

[0005] In the process of realizing the present invention, the inventor found that there are at least some defects in the prior art, such as low reliability, complicated transmission process and high cost

Method used

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  • Selection method of screening area

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Embodiment Construction

[0015] Preferred embodiments of the present invention are described below, and it should be understood that the preferred embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

[0016] According to an embodiment of the present invention, a method for selecting a screening area is provided.

[0017] The method for selecting the screening area in the matching algorithm proposed by the technical solution of the present invention, the basic idea is:

[0018] 1) Carry out grid division with a unit grid spacing of 100m, and initially select the screening area, based on the current grid division method, that is, the area formed by the nine grids mentioned above is used as the screening area, which ensures Improve the speed of the search time of the matching algorithm;

[0019] 2) Carry out two-level grid division for the initially selected screening area to reduce the area of ​​the screening are...

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Abstract

The invention discloses a selection method of screening area. The method comprises dividing grids according to the preset space of a unit grid and selecting screening area initially, two-level dividing grids to the initial selected screening area and the screening area is lessened, and processing second round domain filtering to the screening area on the basis of second step and the screening area is further lessened. Big then small screening method is realized in the screening area, and the rapidity of searching speed and simple information of the section of screening area are ensured. The selection method of screening area overcomes the defects of low reliability, complicated transport process, high cost and the like in the prior art, and enables high reliability, simple transport process and low cost to be realized.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular, to a method for selecting a screening area. Background technique [0002] With the globalization and diversification of the economy, foreign trade across borders and regions is increasing. This development model drives more and more logistics companies, and at the same time, the distribution vehicles of logistics companies are also increasing. According to statistics, the number of logistics companies registered in my country reached more than 700,000 in 2007, and the number of freight vehicles was about 10 million. Taking Guangdong Province of my country as an example, by the end of May 2013, the total number of registered logistics companies was 31,869, the number of freight forwarding companies was 18,792, and the number of freight vehicles was 1,226,835. The number of cargo transport vehicles owned by logistics companies is increasing day by day, which makes th...

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Application Information

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IPC IPC(8): G06F17/30
CPCG06F16/9535G06F16/29
Inventor 张彦会曹强荣
Owner GUANGXI UNIVERSITY OF TECHNOLOGY
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