In engineering surveying, what kind of measurement requires high measuring instrument, and what is the function of it?
As for the role you have to think about what we use is of high ground rather than total station position of the camera lens is not high so high as to prism total station measurement theory and fine point if you are interested in all kinds of reference textbook learning is not very convenient to use simple words to say clearlyGPS observation also needs to give an example, conventional static measurement, data processing in the industry, you need to use the GPS instrument, high for the calculation of the earth height, and converted to the normal height we usually use
When using the total station to measure elevation, the basic method is to measure the height of the instrument and the height of the prism
Target elevation = rear view elevation + height difference + instrument height - prism height