〗ADigital Space & Spacial Survey and Its Supporting Techniques

Based upon the analysis and extension about the future spatial resistance demands and military surveying and mapping safeguard,we put forward a conception about the "digital space" and the development idea for actualizing spatial surveying;and propose the connotation of "digital space" and the technology and service system in building the "digital space".The development of "digital space" should be treated as a key component in the military space-sky-land incorporate war field and it can provide all-around information support for the identification and utilization of spatial environment,the exploration,identification and classification of spatial objects and many other technologies.