Due to intense oscillation of these integral, calculation using direct numerical integral, i. e., GPSS (the generalized point source synthesis method), is complex.
由于这类积分的强烈振荡性，直接数值积分，即通常的广义点源叠加方法(GPSS)，计算比较复杂。
2
Generator oscillation problem is very complex. Here, we only analyze steady-state small oscillation of synchronous generators.
发电机振荡问题是很复杂的，这里只针对同步发电机稳态小振荡进行分析。
3
The causes and essence of the torsional oscillation of large turbogenerator which consider as a kind of complex open system was investigated by using nonlinear science theory.