Stratospheric satellite is a new stratospheric aircraft which is low cost and low power consume,it use StratoSail to control movement toward south and north,and make sure it move form east to west around earth.

The concept of 3d simulation and its application in the research on sailboat motion are discussed in this paper.

This essay studies the 13 sailboarding athletes participating the 2004 Asian Sailboarding Championships,(monitors) Hb,CK,BUN,BLA,HR of them from beginning to end and describes the index change.

In order to improve the level of sailboarding training,clarify the main conflict of training,and make effective training for sailboarding,the paper discussed the vital function of sailboarding close-hauled straight-line speed on setting sail,way-selection,tactics and psychology in Olympic route match.

After the controllable and uncontrollable factors that influenced achievement being researched and analyzed, mensurable indices that evaluate the sailboat’s sailing trim and feasible testing&analyzing project are proposed,a set of multi-parameter testing and analysis system is designed.

Psychological fatigue of yachtsman;