Introduction to dual micro RTK
Nowadays, many people do not know some basic information about the dual micro RTK. Therefore, as a manufacturer, it is also necessary for us to explain briefly. In fact, this dual micro RTK is a ubiquitous existence. It has a unique structure and plays a very important role in the industrial field. Therefore, we need to understand its principle and structure in a timely manner so that we can get familiar with and use it more quickly in operation.
No matter what brand of dual micro RTK is used, the operation is similar and the principle is the same. First, determine the coordinate system of the project, such as coordinate system, central meridian, etc., generally BJ54, Xi 80 and independent coordinate system, and determine the erection method of the reference station. Two methods are usually used, i.e. erecting on a known control point or any unknown point. However, the operating procedures of the two modes are different,
When the double micro RTK is erected on a known point, if the conversion parameters have been solved in advance, it can directly collect data or set out. If not, geodetic coordinates on several known points need to be collected to obtain conversion parameters. Of course, you can also follow any of the following station erection modes: when establishing any reference station, you only need to check at the known control points, or even only one. Generally speaking, the dual micro RTK needs to be erected on the known control point, and there are not less than 3 local coordinates and WGS84 coordinates to calculate the conversion parameters. After the base station is established and the mobile station is checked, data can be collected or set.
RTK (real-time kinematic) real-time dynamic measurement technology is based on carrier phase, and real-time differential GPS (rtdgps) technology based on measurement is a breakthrough in the development of measurement technology. The dual micro RTK consists of three parts: the receiving machine of the reference station, the data link and the receiving machine of the mobile station. A receiving machine is arranged on the reference station as the reference station to continuously observe the satellite. The double micro RTK observation data and station information are transmitted to the mobile station in real time through the radio transmission equipment, and the GPS satellite signals are received at the same time. The receiving machine of the mobile station GPS receives the data sent by the reference station through the radio reception equipment, and then the double micro RTK calculates the three-dimensional coordinates of the mobile station and its accuracy △ X in real time according to the relative positioning principle (i.e., coordinate difference), The WGS-84 coordinates of each point obtained by the double micro RTK by adding the reference coordinates, and the plane coordinates x, y and height h of each point of the mobile station obtained by the coordinate conversion parameters). Radio mode and network communication mode.
The content of the above article is the main points that you should know about the double micro RTK. I see my friends can read it carefully. Of course, there is still a lot of information about double micro RTK. We will continue to update it in the future. If you don't understand anything, you can come to consult us at any time.