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- This effect is obvious at lower frequency band. 这种效应在振动低频区段更为显著。
- 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。
- Test results are analyzed in one third octave band spectrums mainly regarding vibration-sensitive instruments and emphasizing on low frequency band. 测试结果的分析主要是针对振动敏感仪器的，在频域内采用1/3倍频程频谱，重点考虑低频段的地面响应。
- The technique of electromagnetic waves in SLF (Super Low Frequency) frequency band can be investigated in the light of geophysical theory combined with radio-physical theory. 超低频 (SLF)电磁波技术利用地球物理和无线电物理相结合的原理 ,由人工产生大功率电磁波信号。
- 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。
- Very low frequency band radiated field system 甚低频带辐射场系统
- 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。
- low frequency band color recording 色度降频记录
- Its only dif-ference to this latter one is that high S/N contents in mid frequency band are ex-trap0lated to obtain prediction operators of high and low frequency bands, by usingintertrace . 不同之处是它利用了有效反射信号和线性（或近似线性）干扰波的道间时差及能量的差异，以及有效信号同相轴的所有频率成分具有相同时差的假设条件，运用信噪比较高的中频段频率成分外推来求取高、低频带的预测算子。
- Acoustic Radiation Efficiency of Thin Plate at Low Frequency Band 薄板低频声辐射效率的研究
- Design and Realization on the Low Frequency Band Pass Filter with Center Frequency Adjustment 中心频率可调节的低频带通滤波器设计与实现
- 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。
- THE ABNORMAL FREQUENCY SPECTRUM OF SINUSOIDAL HALF-WAVE IN THE RANGE OF THE LOW FREQUENCY OF ULTRALOW FREQUENCY BAND 在超低频的低频段,正弦半波频谱的异常分布
- In electronics, undesirable low frequency currents interfering with a desired signal, and usually caused by a poorly screened alternating mains supply. 在电子学领域，一种不希望发生的低频电流，它干扰所要求的信号。通常这种现象是由于交流供电线路屏蔽不良引起的。
- The abnormal colours of seedlings turned a low frequency. 颜色异常的苗木出现频率较低。
- Laser direct writing of micro-OVD with low frequency templates[J]. 引用该论文 魏国军;周小红;周雷;陈林森.
- 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。
- Wide frequency band, high power, low losses and wide temperature coefficient are the developing trends of microwave ferrite materiel. 微波铁氧体材料的发展趋势是宽频带、大功率、低损耗、宽温度系数。
- low frequency band 低频波段
- If it is a low frequency sound, it is processed as an analog signal. 对低频声进行传统的处理。
