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- Application of Frequency Band Energy Decomposition Using Wavelet Packet in Condition Monitoring of Circuit Breakers 小波包频带能量分解在断路器机械状态监测中的应用
- Application of Frequency Band Energy Analysis Using Wavelet Packet in Traveling Wave Characteristic Extraction of Feeder Lines 小波包频带能量分析在馈电线路行波特征提取中的应用
- Fault Diagnosis for Diesel Valve Drain Based on Euclidean Closeness Degree and Frequency Band Energy Decomposition Using Wavelet Packets 基于小波包频带能量分解和欧氏贴近度的柴油机气阀机构故障诊断
- frequency band energy 频带能量
- frequency band energy detection 频带能量检测
- This effect is obvious at lower frequency band. 这种效应在振动低频区段更为显著。
- The assigned frequency band is 928 MHz to 902 MHz. 那分配频率乐团是 902个百万赫兹至 928个百万赫兹。
- Influence of Distance from Blasting Center on Frequency Bands Energy Distribution of Blasting Vibration Signals 爆心距对爆破振动信号频带能量分布的影响
- We can't hear any program when we turn our radio onto this frequency band. 当收音机调到这个频段上时，什么节目也收听不到。
- The results show that the dominant frequency componems of single deck blast vibration signals are concentrated at the higher frequency band(39 Hz-156Hz)and the ratio of the energy of low frequency components(less than 39 Hz) to the total energy is lower. 结果表明,在单段爆破中,爆破震动信号成分主要以中高频(39Hz~156Hz)为主,低频成分(39Hz以下)所占比例极少。
- During the stepped and dart leader propagating from cloud to ground, the peak frequency band of the average energy spectra reduces from high to low frequency band, indicating that the size of the breakdown is increased gradually. 梯级先导和直窜先导过程初始阶段辐射能量主要集中在较高频段,而接近地面时则集中在较低频段,表明先导在向地面发展过程中放电尺度逐渐增大。
- Another attribute is the flux or radiant power that can be delivered in that narrow frequency band. 另一个性质就是在这样窄的频带内可以给出很高的光通量或辐射功率。
- A specified frequency band for the transmission and reception of electromagnetic signals,as for television signals. 频道，波道传送和接收电磁信号的一特定的频率波段，如电视信号
- This database allows an investigation on broad band energy distribution and other possible correlations among spectral indices and luminosities for various types of extragalactic objects. 这批数据可用来研究各类河外天体的宽波段能谱分布以及各波段谱指数与光度之间可能存在的相关性。
- The design is very suitable for wireless communication systems which work in ISM frequency band. 所设计的软硬件接口非常适合在ism频段的无线通信系统中应用。
- The distance between the acoustic-emission source and the receiving transducer, and the background noise level are primary factors in selecting a particular frequency band. 声发射源与接收讯号传感器间的距离以及环境噪声的电平是选择频带的主要依据。
- Analyse of Frequency Band in Acceleration Measurments during Ejection and Parachuting. 弹射和开伞过载测量中的频率分析。
- The method can directly detect the fault characteristic signals in low frequency band and achievefault diagnosis. 该方法直接检测故障的低频特征信号,完成故障诊断。
- They are very compact in time and the frequency bands of interest are narrow. 它们在时间上是非常紧致的同时有意义频带是狭的。
- The signal environment of ECM is more and more complex, so frequency measurement methods must be high-speed and precise in broad frequency band. 面对日益复杂的电子战环境，要求必须在很宽的带宽范围内，对频率信息进行快速、高精度的测量。
