1) frequency-averaged power flow
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功率流频率平均响应
1.
In this text, about the wide frequency band excitation, we use the frequency-averaged power flow which was put forward by R.
Pinnington提出的功率流频率平均响应作为度量,引入了“频率平均功率流P_(ave)”作为系统动态特性的统计描述,探讨了宽频带激励振动隔离系统的结构参数优化问题。
2) mean power frequency
![点击朗读](/dictall/images/read.gif)
平均功率频率
1.
All of the enrolled patients undertook the Biering Sorensen test(BST) and the object-lifting test,a Finland made type ME3000P sEMG instrument was applied to record the electronic activities of paraspinal muscles(convex /concave) of all subjects,and the frequency domain indexes:median frequency(MF),mean power frequency(MPF),zero crossing rate(ZCR) were analyzed.
方法 AIS患者25例,男7例,女18例,年龄11~21岁;所有患者均执行BST实验、抬物实验,采用芬兰ME6000型表面肌电仪记录患者凸、凹侧椎旁肌表面肌电信号频域指标中位频率(MF)、平均功率频率(MPF)、过零点率(ZCR)。
2.
All of the enrolled patients undertook the Biering Sorensen test(BST) and the object-lifting test,a Finland made type ME3000P sEMG instrument was applied to record the electronic activities of paraspinal muscles(convex /concave) of all subjects,and the frequency domain indexes:median frequency(MF),mean power frequency(MPF),zero crossing rate(ZCR)were analyzed.
方法AIS患者25例,男7例,女18例,年龄11~21岁;所有患者均执行BST实验、抬物实验,采用芬兰ME6000型表面肌电仪记录患者凸、凹侧椎旁肌表面肌电信号频域指标中位频率(MF)、平均功率频率(MPF)、过零点率(ZCR)。
3.
Objective:The purpose of this study was to explore the independent role of central motor control in the alternations of sEMG mean power frequency during elbow flexion to extension transition.
目的:通过对主动肌和拮抗肌功能转变瞬间肌电平均功率频率的观察,探讨中枢控制因素在决定MPF变化中的独立性作用。
3) MPF
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平均功率频率值
1.
Changes of characteristics of IEMG and MPF of lower extremity in drop jumping;
![点击朗读](/dictall/images/read.gif)
跳深时下肢肌肉的表面积分肌电值及其平均功率频率值的变化特征研究
4) Mean Power Frequency (MPF)
![点击朗读](/dictall/images/read.gif)
平均功率频率(MPF)
5) frequency-response equalizaiton
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频率响应均衡
6) non-uniform frequency response
![点击朗读](/dictall/images/read.gif)
不均匀频率响应
补充资料:频率响应法
分子式:
CAS号:
性质:一种建立系统非参数模型的方法。即给系统施加一系列不同频率的正弦信号,观测系统对这些正弦信号的不同输出响应,以求取系统数学模型的待定参数。有了数学模型以后,即可进行分析系统动态特性等等。
CAS号:
性质:一种建立系统非参数模型的方法。即给系统施加一系列不同频率的正弦信号,观测系统对这些正弦信号的不同输出响应,以求取系统数学模型的待定参数。有了数学模型以后,即可进行分析系统动态特性等等。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条