Algorithm improving LEACH in three-dimensional space;

In order to improve the precision and efficiency of installing the three-dimensional space base pipe in the derricks of the steel structure of the main shaft in Wang fenggang Cal Mine, this paper starts from analyzing the three-dimensional space relationship of the base pipe and finally find the right ways of directing current position.

The ant colony algorithm is used when studying the global path planning for underwater vehicle in three-dimensional space.

This paper is concerned with the drawing methods of three dimensional space contour and internal force graph based on the results of three dimensional FEM.

Utilizing the method of mathematic transformation and characteristic of linear matrix equation,the problem of unobservability of a bearings-only target tracking system in noise-free bearings measurements was discussed based on the target and observer traveling in 3-dimensional space with constant velocity or constant acceleration.

The fractal interpolation curve in 3-dimensional space is constructed.

Every designer of interior and exterior design of three-dimension space should master the technique of producing three-dimension space effect picture.

Aiming at this problem,by using the basic thought of the TV-BPN and re-designing the biased item in the 3D space,the authors presented the three-dimensional Pure Proportional Navigation Guidance Law with Impact Angle Constraints(3DPPNGL/IAC) in order to realizing constraints of impact angle.

The precision measurement of bevel cylindrical gear based on three dimensional shape;

In this paper, based on the statistical data of the practical water irruptions, the three dimensional dispersion feature of water irruption is researched.