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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. 結果表明,在單段爆破中,爆破震動(dòng)信號成分主要以中高頻(39Hz~156Hz)為主,低頻成分(39Hz以下)所占比例極少。
- This effect is obvious at lower frequency band. 這種效應在振動(dòng)低頻區段更為顯著(zhù)。
- The assigned frequency band is 928 MHz to 902 MHz. 那分配頻率樂(lè )團是 902個(gè)百萬(wàn)赫茲至 928個(gè)百萬(wàn)赫茲。
- The dominant frequency increased as increase of the pear firmness, and decreased as increase of the pear mass. 經(jīng)分析，主響應頻率隨堅實(shí)度的增加而變大、隨質(zhì)量的增加而變小，主響應頻率與質(zhì)量、堅實(shí)度有較好的相關(guān)性。
- We can't hear any program when we turn our radio onto this frequency band. 當收音機調到這個(gè)頻段上時(shí)，什么節目也收聽(tīng)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. 方法對44例胃潰瘍和十二指腸潰瘍患者及20例健康志愿者進(jìn)行胃電圖監測,記錄主頻率,主功比,各頻段胃電所占百分比等指標。
- Another attribute is the flux or radiant power that can be delivered in that narrow frequency band. 另一個(gè)性質(zhì)就是在這樣窄的頻帶內可以給出很高的光通量或輻射功率。
- A specified frequency band for the transmission and reception of electromagnetic signals,as for television signals. 頻道，波道傳送和接收電磁信號的一特定的頻率波段，如電視信號
- The design is very suitable for wireless communication systems which work in ISM frequency band. 所設計的軟硬件接口非常適合在ism頻段的無(wú)線(xiàn)通信系統中應用。
- 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. 結果表明,影響偏移成像水平分辨率的主要參數是介質(zhì)速度、地震子波主頻和偏移處理的孔徑角。
- 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. 聲發(fā)射源與接收訊號傳感器間的距離以及環(huán)境噪聲的電平是選擇頻帶的主要依據。
- 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. 為了增加音樂(lè )設備支持（如吉它或貝司），在邊鏈電路里使用一個(gè)EQ并且在設備占有優(yōu)勢頻率的范圍內提升EQ。
- Analyse of Frequency Band in Acceleration Measurments during Ejection and Parachuting. 彈射和開(kāi)傘過(guò)載測量中的頻率分析。
- 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. 通過(guò)數值計算所得的結果，分析了結構自振頻率與地面激勵占優(yōu)頻率對建筑物響應的共同影響。
- The method can directly detect the fault characteristic signals in low frequency band and achievefault diagnosis. 該方法直接檢測故障的低頻特征信號,完成故障診斷。
- 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. 同時(shí)，進(jìn)行了大過(guò)冷度條件下的實(shí)驗，實(shí)驗結果顯示，此時(shí)的過(guò)冷態(tài)沸騰的振動(dòng)特征頻率會(huì )大幅度地增加，而其振動(dòng)幅度卻明顯地減小。
- The signal environment of ECM is more and more complex, so frequency measurement methods must be high-speed and precise in broad frequency band. 面對日益復雜的電子戰環(huán)境，要求必須在很寬的帶寬范圍內，對頻率信息進(jìn)行快速、高精度的測量。
- The natural frequencies were compared with the dominant frequencies extracted from the test squeal vibration with the reciprocating sliding system. 將得到的系統振動(dòng)頻率與系統的試驗噪聲的頻率進(jìn)行比較,發(fā)現它們的一些結果有很好的一致性。
- A relatively restricted frequency band, normally used for a single purpose, or made available to a single user. 比較狹窄的頻帶，通常用于一種目的或一個(gè)用戶(hù)。
- 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. 為了增加音樂(lè )設備支持（如吉它或貝司），在邊鏈電路里使用一個(gè)EQ,并且在設備占有優(yōu)勢頻率的范圍內提升EQ。
