Small region space measurement positioning method

A space measurement positioning, small area technology, applied in the direction of measuring devices, measuring instruments, measuring angles, etc., can solve the problems of high cost, terrain, signal influence, cumbersome process, etc., to achieve the improvement of measurement speed and accuracy, rapid measurement and the effect of positioning

Inactive Publication Date: 2015-07-22
CHINA RAILWAY CONSTR GROUP
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Problems solved by technology

[0002] At present, in the field of control measurement, the measurement methods are nothing more than measurement technologies such as traverse positioning, triangulation, and GPS positioning. No matter which technical method

Method used

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Embodiment Construction

[0017] Apparently, the described embodiments are only some of the embodiments of the present invention, but not all of them. All other embodiments obtained by persons of ordinary skill in the art based on the embodiments of the present invention belong to the protection scope of the present invention.

[0018] A small area spatial measurement and positioning method according to an embodiment of the present invention includes the following steps:

[0019] Step 1: Take several high-rise landmark buildings around the survey area and pre-selected ground control points as the target objects, use the front intersection principle to measure and locate the several target objects, and measure all coordinate values ​​as the measurement basis;

[0020] Step 2: Select any point in the measurement area to set up the instrument as a station, and set up the theodolite or total station on the point of the instrument;

[0021] Step 3: using the resection principle to directly measure the plan...

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Abstract

The invention discloses a small region space measurement positioning method. The method comprises steps as follows: firstly, multiple high-rise landmark buildings around a measurement region and a ground control point selected in advance are taken as target objects, measurement positioning is performed on the multiple target objects with the forward intersection principle or by other measurement means, and all coordinate values are measured to be used as measurement bases; a point is selected at will from the measurement region for erection of an instrument and is used as a measurement station point, and a theodolite or a total station is erected at the instrument erection point; degrees of plane included angles formed by the measurement station point and the multiple target objects as well as the horizontal distance between the measurement station point and the ground control point are directly measured with the resection principle; according to the measured degrees of the plane included angles, the measured horizontal distance and the measured coordinate values, coordinate values of the instrument erection point are calculated with the resection principle; the measurement station elevation is calculated with the trigonometric elevation principle according to the elevation difference between the ground control point and the instrument erection point; measurement and setting-out are performed by the aid of three-dimensional coordinates of the instrument erection point.

Description

technical field [0001] The present invention relates to the technical field of measurement and positioning, in particular to a small area space measurement and positioning method. Background technique [0002] At present, in the field of control measurement, the measurement methods are nothing more than measurement technologies such as traverse positioning, triangulation, and GPS positioning. No matter which technical method is cumbersome or expensive, it has shortcomings. GPS positioning is relatively expensive, and it is greatly affected by terrain and signals. How to balance various shortcomings is a problem for technicians in this field. [0003] Therefore, developing a measurement method that is simple, flexible, and speeds up work efficiency has become a problem that people in the industry need to solve urgently. Contents of the invention [0004] Aiming at the above-mentioned technical problems in the related art, the present invention proposes a small-area space m...

Claims

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Application Information

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IPC IPC(8): G01C15/00
CPCG01C21/005G01C1/00G01C5/00
Inventor 刘超旭
Owner CHINA RAILWAY CONSTR GROUP
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