Supported by the National Natural Science Foundation of China(61001109);the Pilot Program for the New and Interdisciplinary Subjects of the Chinese Academy of Sciences(KJCX2-EWJ01);the Knowledge Innovation Program of the Chinese Academy of Sciences(KGCX2-EW-4071)
A differential barometric altimetry technology based on the digital pressure sensors is put forward by using the existing mobile phone base station as reference. The height of known base sta- tion is precise. The pres...