A new method of the precise location to ships is proposed, which used an antenna sensor array in this paper.

To solve this problem, a new method for template detection and location under complex background is provided in this paper, which consists of two steps, template detection and precise location.

This paper emphasizes some important points in the process of geological map mapping using AutoCAD,such as coordinates correspondence transformation means,precise location method,the application of blocks,the using of hatch tool in geological section maps and defining patterns,etc.

Precise Positioning and Control of the CNC Chain Magazine;

Application of geophysical method to the precise positioning of urban seismic mobile moving fault;

The special setting for precise positioning of the X-ray source in industrial Computed Tomography(ICT) system has been made,and the testing program has been developed.

Accurate location of small earthquakes before Zhangbei Earthquake and aftershock sequence and discussion on the Rupture s direction of main event;

This paper presents the alternative of locate mode for main pier 7 of Nanjing Dashengguan Changjiang River Bridge,including the design and arrangement of anchorage system,and construction techniques for accurate location of the cofferdam.

Accurate location is a important function of Level 1 tracking,if you want research accurate location,you must know the theory of Level 1 tracking well first,and then understand the macro tracking of Level 2 which relate to accurate location.

Research on exact placement technology of component in virtual assembly environment;

Through analyzing the characteristics of modular fixture, exact placement technology of element for modular fixture assembly design in VE is presented to address the limitations of the existing approaches such as low efficiency of constraint recognition and inconvenience of treatment.

In order to solve components’ exact placement problem in virtual environment, a mixed method was proposed and this method w.