功率换算

将几种地震动功率谱输入模型换算成和目标反应谱相对应的地震动输入，并应用于单自由度体系分析。

Several seismic input models of power spectrum corresponding to the target response spectrum are studied and used to frequency response analysis of single-degree-of-freedom system .

文章从能量守恒基础出发，推导了大口径聚焦换能器声场作用于锥面反射靶的功率与压力的换算关系，并将结果应用于凹锥面反射靶计算。

Based on the energy conversation law , it is deduced the converting relationship between ultrasound power and the pressure formed by ultrasound beam from large-aperture focused transducer in this paper . The result is applied to the calculation of concave cone reflector .

除采用一般模型试验的功率预报方法，还给出了计入预旋效应的功率预报方法的换算结果。

Besides adopting general power prediction method from model test , anew way of considering the pre-swirl effect was introduced to make the comparison .