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- 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。
- 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。
- The dominant frequency increased as increase of the pear firmness, and decreased as increase of the pear mass. 经分析,主响应频率随坚实度的增加而变大、随质量的增加而变小,主响应频率与质量、坚实度有较好的相关性。
- 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。
- Methods In 44 people with GU or DU and 20 healty people,we recorded the correlated indices including dominant power,dominant frequency eg of electrogastrogram. 方法对44例胃溃疡和十二指肠溃疡患者及20例健康志愿者进行胃电图监测,记录主频率,主功比,各频段胃电所占百分比等指标。
- 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
- 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 main parameters that effect horizontal resolution of migration imaging were identified as medium velocity, dominant frequency of seismic wavelet and aperture angle of migration processing. 结果表明,影响偏移成像水平分辨率的主要参数是介质速度、地震子波主频和偏移处理的孔径角。
- 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。
- To increase the sustain of a musical instrument (e.g. a guitar or bass) use an equalizer in the Sidechain circuit and boost the EQ in the dominant frequency range of the instrument. 为了增加音乐设备支持(如吉它或贝司),在边链电路里使用一个EQ并且在设备占有优势频率的范围内提升EQ。
- 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。
- Base on the results of the numerical simulation, the coaction of the natural frequency of buildings and the dominant frequency of the ground vibration on the responses of buildings is researched. 通过数值计算所得的结果,分析了结构自振频率与地面激励占优频率对建筑物响应的共同影响。
- 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。
- Further experiments were conducted under big subcooled degree in which the dominant frequency increased dramatically, while the amplitude of the pressure oscillation decreased a lot. 同时,进行了大过冷度条件下的实验,实验结果显示,此时的过冷态沸腾的振动特征频率会大幅度地增加,而其振动幅度却明显地减小。
- 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。
- The natural frequencies were compared with the dominant frequencies extracted from the test squeal vibration with the reciprocating sliding system. 将得到的系统振动频率与系统的试验噪声的频率进行比较,发现它们的一些结果有很好的一致性。
- A relatively restricted frequency band, normally used for a single purpose, or made available to a single user. 比较狭窄的频带,通常用于一种目的或一个用户。
- To increase the sustain of a musical instrument (e.g., a guitar or bass), use an equalizer in the Sidechain circuit and boost the EQ in the dominant frequency range of the instrument. 为了增加音乐设备支持(如吉它或贝司),在边链电路里使用一个EQ,并且在设备占有优势频率的范围内提升EQ。