过零点率,zero crossing rate,音标,读音,翻译,英文例句,英语词典

1) zero crossing rate 点击朗读

过零点率

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)。

2) instantaneous frequency of cross-zero 点击朗读

过零点瞬时频率

3) power factor/zero-cross detection 点击朗读

功率因数/过零点检测

4) zero-crossing point 点击朗读

过零点

1.

This method directly extracts the true back electromotive force(EMF) zero-crossing point by detecting the voltage difference between the floating phase terminal and the midpoint in the DC link.

为了实现无刷直流电机的无位置传感器控制,提出了一种新颖的转子位置信号检测方法,该方法通过比较逆变器直流环中点电压和电机断开相绕组端电压的关系,直接检测到断开相绕组反电动势的过零点,再将该过零点延迟30°电角度即可获得无刷直流电机绕组换相所必须的转子位置信号。

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5) zero crossing 点击朗读

过零点

1.

The characteristics of curve shapes have been extracted by using the zero crossing, and the correlation processing from coarse to fine is also carried out.

它是根据地质专家的经验，基于“由粗到细、分级控制”的概念，采用一类小波变换对测井信号进行多分辨率分析，利用其过零点提取曲线形态的特征，进而进行由粗到细的分级比对处理，实验结果良好。

2.

Introduces a method to extract speech feature based on auditory model,the frequency information of the signal is obtained by zero crossing intervals,the intensity information of the signal is obtained by a peak detector and a compressive nonlinearty.

提出了一种基于听觉模型的语音特征提取方法 ,从信号的过零点获得频率信息 ,从振幅峰值和非线性压缩获得强度信息 ,并对这种方法进行了误差分析 ,证明其噪声的鲁棒性。

更多例句>>

6) zero-crossing 点击朗读

过零点

1.

Iris recognition based on zero-crossing position of wavelet transform and variable-length code matching

基于小波过零点位置不等长编码匹配的虹膜识别

2.

Firstly, it is to find out the zero-crossing of the differential current using the linear interpolation method after the protection has enabled.

该方法首先用线性插值法找出保护启动后最近的差流过零点,然后利用数字信号处理中相关函数的基本原理对采样数据进行分析,计算过零点后一周波中前后半波的自相关系数,根据自相关系数的大小构成区分励磁涌流和故障电流的主判据。

3.

The proposed system can improve which improving the reliability of communication by zero-crossing spread spectrum technology and active watchdog technology.

该系统采用过零点扩频通信方案大大提高了通信成功率,使用主动式看门狗电路提高系统的电磁兼容性。

更多例句>>

判过零点过零率过零率(ZCR) 零速率点零点斜率电压过零点

说明：双击或选中下面任意单词，将显示该词的音标、读音、翻译等；选中中文或多个词，将显示翻译。
	您的位置：首页 -> 词典 -> 过零点率 1) zero crossing rate 过零点率 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)。 2) instantaneous frequency of cross-zero 过零点瞬时频率 3) power factor/zero-cross detection 功率因数/过零点检测 4) zero-crossing point 过零点 1. This method directly extracts the true back electromotive force(EMF) zero-crossing point by detecting the voltage difference between the floating phase terminal and the midpoint in the DC link. 为了实现无刷直流电机的无位置传感器控制,提出了一种新颖的转子位置信号检测方法,该方法通过比较逆变器直流环中点电压和电机断开相绕组端电压的关系,直接检测到断开相绕组反电动势的过零点,再将该过零点延迟30°电角度即可获得无刷直流电机绕组换相所必须的转子位置信号。更多例句>> 5) zero crossing 过零点 1. The characteristics of curve shapes have been extracted by using the zero crossing, and the correlation processing from coarse to fine is also carried out. 它是根据地质专家的经验，基于“由粗到细、分级控制”的概念，采用一类小波变换对测井信号进行多分辨率分析，利用其过零点提取曲线形态的特征，进而进行由粗到细的分级比对处理，实验结果良好。 2. Introduces a method to extract speech feature based on auditory model,the frequency information of the signal is obtained by zero crossing intervals,the intensity information of the signal is obtained by a peak detector and a compressive nonlinearty. 提出了一种基于听觉模型的语音特征提取方法 ,从信号的过零点获得频率信息 ,从振幅峰值和非线性压缩获得强度信息 ,并对这种方法进行了误差分析 ,证明其噪声的鲁棒性。更多例句>> 6) zero-crossing 过零点 1. Iris recognition based on zero-crossing position of wavelet transform and variable-length code matching 基于小波过零点位置不等长编码匹配的虹膜识别 2. Firstly, it is to find out the zero-crossing of the differential current using the linear interpolation method after the protection has enabled. 该方法首先用线性插值法找出保护启动后最近的差流过零点,然后利用数字信号处理中相关函数的基本原理对采样数据进行分析,计算过零点后一周波中前后半波的自相关系数,根据自相关系数的大小构成区分励磁涌流和故障电流的主判据。 3. The proposed system can improve which improving the reliability of communication by zero-crossing spread spectrum technology and active watchdog technology. 该系统采用过零点扩频通信方案大大提高了通信成功率,使用主动式看门狗电路提高系统的电磁兼容性。更多例句>> 补充资料：频率计量(见时间频率计量) 频率计量(见时间频率计量) frequency metrology: see time and frequency metrology 　　口n IQ liliang顷率频率计皿(f比quency metrolo盯) 计t。见时闰　　说明：补充资料仅用于学习参考，请勿用于其它任何用途。参考词条过零点检测

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