bifilar pendulum

This paper describes the structure and principle of a bifilar torsion pendulum in its general ( unsymmetrical) form.

本文介绍了一般双线摆的结构原理。

The Analysis of Oscillation Properties for a General Bifilar Torsion Pendulum

一般双线摆的振动特性分析

The equation of dynamics of bifilar pendulum has been sol-ved in this paper. The formulas to calculate free swing period under small and large angular amplitude conditions are given, and error analysis is discussed briefly.

本文求解了双线摆的动力学方程，得出了计算小角度摆动和大角度摆动时双线摆动周期的计算公式，并进行了误差分析。

The bifilar pendulum absorber is used to reduce the inplane longitudinal and lateral excitation forces and it is mounted to the rotor hub of a helicopter.

双线摆式吸振器是位于直升机旋翼旋转平面内用来吸收该平面内桨毂纵、横向激振力的动力吸振器，能随旋翼转速而调谐。

The General Bifilar Torsion Pendulum of Measuring Radial Moment of Inertia for Irregular Stick Shaped Bodies

介绍一种测定不规则棒形构件径向惯性矩的测定方法

The general bifilar torsion pendulum of measuring radial moment of inertia for irregular stick shape bodies ── Method of moment of momentum

测量不规则棒体径向惯性矩的一般双线摆&动量矩法

Free Swing Period of Bifilar Pendulum

双线摆的摆动周期