A measurement method of dual reference station gnss control network
A measurement method and control network technology, applied in the direction of measuring instruments, measuring devices, radio wave measurement systems, etc., can solve the problems of large error accumulation, high time consumption, and large personnel investment, so as to prevent large measurement errors and ensure Effect of measurement reliability and improvement of mobility
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Embodiment 1
[0036] Embodiment 1 of the present invention is applicable to the situation where the distance span of the measured control network is not long or the first-level control is performed. Embodiment 1 of the present invention directly adopts the steps described in the above inventive concept, that is: the first embodiment of the present invention The control network under test contains only two reference stations and one measurement section.
[0037] The following examples illustrate the specific implementation process of Embodiment 1 of the present invention:
[0038]Example: The tested control network contains 11 control points, among which, control point 1 and control point 11 are the two known control points farthest apart, and control point 2 to control point 10 are unknown control points. Therefore, control point 1 and control point 11 are selected as reference site 1 and reference site 11, and control point 2 to control point 10 are non-reference site 2 to non-reference si...
Embodiment 2
[0045] Embodiment 2 of the present invention is applicable to situations where the span of the measurement area of the controlled network under test is relatively large or the first-level control measurement and encryption control measurement are performed simultaneously. Embodiment 2 of the present invention is based on the above-mentioned inventive concept, and adopts the following preferred measures:
[0046] Step S1 also includes: selecting at least one head point from all control points of the tested control network as a reference station;
[0047] In step S2, the two measurement sections before and after the measurement have a common reference site; when measuring any two measurement sections before and after, one of the non-reference stations in the last observation period of the previous measurement section is the same as One of the non-reference sites in the first observation period of the latter survey segment is the same.
[0048] The following examples illustrate...
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