1)Dominant frequencies主导频率
2)main characteristic frequency主导特征频率
1.The S-transform is carried out to determine the main characteristic frequency of fault zero sequence current.在分析缆-线混合线路各馈线零序电流故障特征频率可能不一致的基础上,为避开TA饱和引起的间断角,选取故障后1/4周期各馈线零序电流的短窗数据,利用S变换确定配网故障零序电流的主导特征频率,并比较此主导特征频率上各馈线零序电流的S变换能量来实现故障选线。
3)pilot carrier frequency导频频率
4)mastergroup pilot主群导频
5)main frequency主频率
1.It is discovered that blasting vibration main frequency is low and blasting vibration duration is near to 3 s,so the blasting is safety in Heidaigou coal mine.通过对爆破地震频谱的分析,发现爆破振动主频率较低,爆破地震持续时间接近3 s,并指出黑岱沟露天煤矿在此条件下爆破是安全的。
2.The results show that the main frequency of the acoustic signal increases with the shape change of the ripple spring located under the slot wedge.研究表明在波纹板的弹性范围内,随着波纹板形变量的加大,测得的声信号能量谱图中主频率值逐渐增加。
3.： By fixing view point, the study is conducted to analyse the me ch anism of FFT(Fast Fourier Transformation) spectrum leakage when rectangular wa v e of single frequency composition is added, and the general rule of influence o f main frequency upon leakage when its position is different in FFT spectrum.通过固定观察点而让主频率移动的方法，研究了单一频率成分的波形在加矩 形 窗函数时 FFT(Fast Fourier Transformation)谱泄漏的机理和主频率在 FFT谱上的不同 位 置对泄漏产生影响的一般规律，导出了计算幅值、频率和相位精确值的公式。
英文短句/例句
1.Motor task consisted of self-paced, repetitive simple movements of the upper limbs.运动任务采用自主频率的简单上肢运动。
2.Study on Estimation of Dominating Frequency of Non-Stationary and Long Memory Time Series;非平稳和长记忆时间序列主频率估计方法研究
3.Speech Feature Extraction Algorithm Based on Subband Dominant Frequency Information基于子带主频率信息的语音特征提取算法
4.The frequency response function includes an aerodynamic transfer function.频率的主函数包括主动力传递函数。
5.Mechanism of Biomechanic of Spectrum Main peak of Systolic Murmur;心脏收缩期杂音频谱主峰频率的生物力学机理
6.image frequency像频;镜频;镜频;镜像频率;镜像频率;帧频
7.frequency master control instrument for synchronous clocks or time switches频率主控仪表,用于同步时钟或时开关
8.The main effect is to raise the fundamental slosh mode frequency.主要作用是提高基本的晃动频率。
9.Broadband high power devices are main research object.宽频带高功率器件成为主要研究对象。
10.An oscillator for generating the carrier frequency of a transmitter.主控振荡器产生载波频率的振荡器
11.center frequency中心频率未调制频率
12.frequency theory of hearing听觉频率论 听觉频率论
13.Broadband high power devices become main research object.宽频带高功率器件成为主要的研究对象。
14.Discovery and Research on a Spontaneous Variation with High-frequency in Rice;一种高频率自主变异水稻的发现与研究
15.Characteristics of Switching Speed in YTO-Oscillator Generator以YTO为主振的信号源频率切换特性分析
16.Selection and Application of the Main Circuit and Device of High Power Converter大功率变频装置主电路及器件的选择与应用
17.Electromyography Mean Power Frequency Alternations during Rapid Transition of Elbow Flexion to Extension主动肌和拮抗肌功能转变瞬间的肌电平均功率频率变化
18.The power magnitude of main peak frequency of dynamic tapping torque can be used for on_line detecting the tap wear.提出了在频域内采用动态攻丝扭矩主要峰值频率的功率值实时检测丝锥磨损的方法。
相关短句/例句
main characteristic frequency主导特征频率
1.The S-transform is carried out to determine the main characteristic frequency of fault zero sequence current.在分析缆-线混合线路各馈线零序电流故障特征频率可能不一致的基础上,为避开TA饱和引起的间断角,选取故障后1/4周期各馈线零序电流的短窗数据,利用S变换确定配网故障零序电流的主导特征频率,并比较此主导特征频率上各馈线零序电流的S变换能量来实现故障选线。
3)pilot carrier frequency导频频率
4)mastergroup pilot主群导频
5)main frequency主频率
1.It is discovered that blasting vibration main frequency is low and blasting vibration duration is near to 3 s,so the blasting is safety in Heidaigou coal mine.通过对爆破地震频谱的分析,发现爆破振动主频率较低,爆破地震持续时间接近3 s,并指出黑岱沟露天煤矿在此条件下爆破是安全的。
2.The results show that the main frequency of the acoustic signal increases with the shape change of the ripple spring located under the slot wedge.研究表明在波纹板的弹性范围内,随着波纹板形变量的加大,测得的声信号能量谱图中主频率值逐渐增加。
3.： By fixing view point, the study is conducted to analyse the me ch anism of FFT(Fast Fourier Transformation) spectrum leakage when rectangular wa v e of single frequency composition is added, and the general rule of influence o f main frequency upon leakage when its position is different in FFT spectrum.通过固定观察点而让主频率移动的方法，研究了单一频率成分的波形在加矩 形 窗函数时 FFT(Fast Fourier Transformation)谱泄漏的机理和主频率在 FFT谱上的不同 位 置对泄漏产生影响的一般规律，导出了计算幅值、频率和相位精确值的公式。
6)main lobe frequency主瓣频率
延伸阅读
主导1.主要的并且引导事物向某方面发展的。 2.起主导作用的事物。
