Comparison of farmland area measuring instruments with other land area measurement methods
2024-08-18 12:05:15
The land working department is familiar with the measurement of land area and it is the most frequently performed measurement work. The projection planes used in China are mostly Gaussian projection surfaces. This method is practical and simple, but also because of the differences in various terrains. Can cause serious errors. Therefore, in order to ensure the accuracy of the measurement results, it is necessary to select the land measurement method, so that it can reduce the impact of the Gaussian projection deformation method, or uniform land area measurement methods. With the advancement of modern science and technology, land measuring instruments have also emerged, and their accuracy is very gratifying. For example, a farmland area measuring instrument is such a highly recommended instrument.
In the process of measuring land area such as mining area, real estate, cadastre, and so on, the requirement for measurement accuracy is quite high. When the deformation of the measured land projection exceeds the relevant standard, the following methods can be used according to different requirements. The calculation of the area for land measurement, the calculation of the surface area of ​​the ellipsoid, the Gaussian projection coordinate system, and the area correction calculation method. Or, in order to be more convenient and quick, the farmland area measuring instrument is directly selected, so that unnecessary errors and troubles can be avoided.
For different measurement methods, some of their characteristics are also found in long-term applications. The Gaussian projection's own characteristics determine that the area of ​​the measured land projected to the Gaussian plane will be deformed. The use of different Gaussian projection coordinate systems for the calculation of the land area, the calculation results will be different. In the calculation of a large area of ​​land area measurements, the use of ellipsoid surface area calculations is more appropriate. For the common measurement of land area calculations, in order to obtain the measurement results of the measured land area in accordance with the actual plane, it is necessary to use the above-mentioned several calculation methods that can reduce the projection distortion, and the method is suitable for those lands with small spans. This method is simple and practical, and does not require the complicated calculation process of a Gaussian projection. Each measurement method has its advantages and disadvantages. Therefore, the application area of ​​the farmland area measuring instrument is more worthy of recognition, and the resulting errors are small and even negligible.
In the process of measuring land area such as mining area, real estate, cadastre, and so on, the requirement for measurement accuracy is quite high. When the deformation of the measured land projection exceeds the relevant standard, the following methods can be used according to different requirements. The calculation of the area for land measurement, the calculation of the surface area of ​​the ellipsoid, the Gaussian projection coordinate system, and the area correction calculation method. Or, in order to be more convenient and quick, the farmland area measuring instrument is directly selected, so that unnecessary errors and troubles can be avoided.
For different measurement methods, some of their characteristics are also found in long-term applications. The Gaussian projection's own characteristics determine that the area of ​​the measured land projected to the Gaussian plane will be deformed. The use of different Gaussian projection coordinate systems for the calculation of the land area, the calculation results will be different. In the calculation of a large area of ​​land area measurements, the use of ellipsoid surface area calculations is more appropriate. For the common measurement of land area calculations, in order to obtain the measurement results of the measured land area in accordance with the actual plane, it is necessary to use the above-mentioned several calculation methods that can reduce the projection distortion, and the method is suitable for those lands with small spans. This method is simple and practical, and does not require the complicated calculation process of a Gaussian projection. Each measurement method has its advantages and disadvantages. Therefore, the application area of ​​the farmland area measuring instrument is more worthy of recognition, and the resulting errors are small and even negligible.
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