Finally,acoustic secondary positioning technique was utilized to monitor the deviation of ocean bottom cable caused by the sea water depth and ocean current changes, and effectively controlled the offset error.

Seismic data acquisition system using ocean bottom cable:quality evaluation of first-break secondary positioning result;

Application of secondary positioning technique in OBC exploration operation;

A novel method study of hydrophone second positioning for oil exploration of ocean bottom;

A method for second positioning of ocean bottom cable is demonstrated.

Comparison and Analysis of Improvement Schemes for RDSS Positioning Technology;

This paper is more systematic studies of the development process and the principle of the system location technology in the intelligent transportation, and adopts the positioning technology of the intelligent transport systems;focuses on the principle of the GPS / DR integrated positioning technology.

This paper expounds the principles and features of RTK positioning technology,elaborates the application of RTK technology in the river cross-section for the flood control evaluation of coal seam gas pipeline in Qinshui County,and probes into some problems needing attention in the application of RTK technology.

Study on the acoustic emission source location technology for the flaw of train wheel;

Combining triangle position with RSSI(Received Signal Strength Indication),this paper developes the study of location technology based on WLAN technology,and prototype experiment network is set up for location simulation.

By the mobile communication developing, location technology became new service of hotspot.

Research on positioning technique applied to public vehicle;

Analysis of vibroseis positioning technique;

This article has analyzed the theory of positioning by employing digital TV signal, and has further compounded the technical trait of positioning by using digital TV signal, comparing with the GPS positioning technique.