| The information of communications is a process of information of industry under the macro background of the national economy and society information, and is important means of promoting management and service. It mainly includes the following five fields: The first one is the information of government affairs; the second one is the information of infrastructure construction and management of communications; the third is the information of transportation management; the fourth is to inform marketing on transportation products; the fifth is the information of science and technology of communications. It can be said that without rapid development of national economy and further development of information of the whole society, we couldn't inform communications, let aside the construction of GPS. The GPS system is transportation information, is but gradually develops along with the transportation information development. The current transportation information construction has yielded the gradual result. Take ITS, EDI, GIS-T, CAD, GPS as representative's transportation information high-tech research, the application and the promotion, fully has manifested the transportation information characteristic, has unfolded the transportation information level and the ability, causes the good response in the society.The modern communications and the control technology and the 3S technology contour new electronic information technology effective integration, in the reconnaissance design, the project construction, the traffic safety, the environment monitoring, the ships automation and so... |