The thesis expounded the principle of GPS height surveying and its method of calculation normal height. After analysing an example, the thesis recognizes enabling GPS height surveying to replace levelling under specif...The thesis expounded the principle of GPS height surveying and its method of calculation normal height. After analysing an example, the thesis recognizes enabling GPS height surveying to replace levelling under specified condition.展开更多
文摘The thesis expounded the principle of GPS height surveying and its method of calculation normal height. After analysing an example, the thesis recognizes enabling GPS height surveying to replace levelling under specified condition.
