大角度三线摆周期的近似公式  

The Approximate Formula of Trifilar Pendulum Period with Large Angel

作　　者：谢淼[1] 吕丹[1] 

机构地区：[1]江苏教育学院物理系,江苏南京210013

出　　处：《江苏教育学院学报（自然科学版）》2008年第3期13-15,共3页Journal of Jiangsu Institute of Education(Social Science)

摘　　要：由能量方程出发,用换元的方法推导出三线摆大角度摆动时的周期的近似公式,并通过计算,确定运用该法所得的周期值更为精确.In this article, based on energy equation the approximation formula of large angel trifilar pendulum period is deducted using the method of substitution. Through calculation it is found that the periodic quantity got through this formula is more accurate.

关 键 词：三线摆 能量方程 周期 近似公式 

分 类 号：O313.3[理学—一般力学与力学基础] TG85[理学—力学]