frequency drop meaning in English

频率下降

Undershoot undershoot refers to the amount by which voltage or frequency drops below the nominal value as the voltage regulator or governor responds to changes in load
下超调下超调指电压调整器或控制器在应对负荷变化时，电压或频率低于额定的量。
After two hours of this negative feedback , paddy ' s amygdala produced 50 percent fewer spindles ; the frequency dropped by 99 percent within six days
经过两小时的这种负向回馈，派蒂的杏仁体产生的纺锤波减少了50 % ；六天之内，纺锤波出现的频率更降低了99 % 。
Taking the natural frequency arid the ratio of frequency drop as input characteristic parameters , crack damage in the cylindrical supporting shell of a portal crane is diagnosed and its length and position are forecasted , applying finite element emulation and artificial neural network technologies
摘要应用有限元仿真技术和人工神经网络模型，以反映结构损伤程度的固有频率和损伤的频率下降率作为神经网络输入的特徵参数，对门座起重机筒形支柱上出现的裂纹损伤长度和位置进行了综合诊断和预测分析。