Connecting traverse measurement distance error accurate distributing method

Abstract

The invention discloses a connecting traverse measurement distance error accurate distributing method. The connecting traverse measurement distance error accurate distributing method comprises the following steps: calculating a vertical coordinate increment correction number V Delta xi and a horizontal coordinate increment correction number V Delta yi of each traverse point according to a coefficient; distributing to obtain each corrected vertical coordinate increment Delta Xi= Delta xi+ V Delta xi, and horizontal coordinate increment Delta Xi= Delta yi+ V Delta yi; then, solving the coordinates of each traverse point according to coordinates of a point B and each corrected vertical coordinate increment and horizontal coordinate increment. The connecting traverse measurement distance error accurate distributing method takes traverse error offset and azimuth angles into consideration comprehensively; the distributing precision is higher than that of a conventional simple error distributing method.

Description

technical field [0001] The invention relates to the technical field of engineering surveying, in particular to a method for accurately allocating measurement distance errors with attached wires. Background technique [0002] Traverse measurement is a common method to establish a small-area planar control network, which is suitable for building areas with complex distribution of ground features, flat concealed areas or strip areas with poor visibility conditions. There may be errors in the coordinate collection of each topographic point in the control network to the national known point coordinates, which need to be allocated and adjusted. The rigorous calculation method is the distribution method with the highest precision in the national standard, but the steps are very complicated. Therefore, the current textbooks and common practical practices mostly use the calculation method of simple error distribution. That is, in the simple error distribution of the wires, the angle...

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Problems solved by technology

The rigorous calculation method is the distribution method with the highest accuracy in the national standard, but the steps are very complicated, so the current textbooks and common practical practices mostly use the calculation method of simple error distribution

That is, in the simple error distribution of the wires, the angle error is firstly distributed to the corners of the wires in reverse and evenly, and then the error distribution is carried out according to the total length of each wire in the x and y directions of each wire segment. The error caused by the azimuth angle in the case of x and y errors is not considered in the simple error distribution, so that the accuracy of the total error distribution is not high

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