number of vibration 中文意思是什麼

number of vibration 解釋
振動次數
  • number : n 1 數;數字;〈pl 〉算術。2 (汽車等的)號碼;第…,第…卷,第…期〈通常略作 No (復數 Nos ),用於...
  • of : OF =Old French 古法語。
  • vibration : n. 1. 振動,顫動;擺動;【物理學】振動。2. (心的)震顫。3. (思想情緒的)激動。4. 猶豫。adj. -al
  1. Orotund frequency of of tone of high and low, main with the each vibration of number of times relevant, is a person s ear to high and low and subjective evaluation dimensions of tone. the tone is low to mean to vibrate the frequency low, the voice seem to be deep and low ; the tone is high, and mean to vibrate the frequency high, voice the stab

    音調聲音頻率的高低,主要與音源每秒振動的次數有關,是人耳對音調高低的主觀評價尺度。音調低表示振動頻率低,聲音顯得低沉音調高,表示振動頻率高,聲音就尖刺。
  2. It has been shown that : the little indentation which represents the quantum noise of the system appears in the evolution curves ; the quantum noise which is caused by virtual photon field gradually becomes weak when w increases, the quantum noise increases when n increases ; the virtual photon process make the antibunching effect strengthen, make the squeezing degree deepen obviously, and lead to the additional vibration of entropy, the oscillation extent of the additional vibration of entropy increases when n increases and decreases when co or g increase. besides, the quantum dynamics of two coupling atoms interacting with a single mode ligh t field in a kerr medium is studied in this paper ; the influences of the kerr effect on the mean photon number, the degree of second order coherence of field, the evolution of the field entropy and the squeezing effect are also discussed

    )的增大,量子噪聲分別減小和增大;虛光子過程使光場的反聚束效應增強,使光場的壓縮程度明顯加深,並引起了附加的「熵振蕩」 ,這種附加「熵振蕩」的幅度將隨著光場初始平均光子數( ? )的增加而增大,隨著光場頻率和原子間耦合系數g的增大而減小。本文還研究了充滿kerr介質腔中「耦合雙原子-單模光場」相互作用系統的量子動力學性質,研究了克爾效應對場的平均光子數、二階相干度、場熵演化特性及光場壓縮效應的影響。
  3. A number of electromagnetic vibration exciters of a large size have been produced for vibration testing in the aircraft and missile industries.

    為了進行航空及導彈工業的振動試驗,已經建造了若干大型電磁式激振器。
  4. Based on vibration principle, the paper establishes dynamics analysis model of output shaft with elastic support, according to fourer series spread principle of periodic function, the dynamic response formula is derived by separating complex vibration force into sum of many simple harmonic excitation function of whole number times frequency relations. the result shows that response of both sides support is synchronous when load distribution non - uniform coefficient is 1

    依據振動理論建立了具有彈性支撐的輸出軸的動力學分析模型,根據周期函數的傅里葉級數展開原理,將復雜的激振力分解成為多個頻率成整倍數關系的簡諧激勵函數,導出了動態響應表達式,結果表明,當載荷分配不均勻系數為1 . 0時的輸出軸兩端支撐同步。
  5. And vibration function make supplies viscidity and interior frictional force of particle reduce greatly, make the sport tempo of the particle of the supplies increase, has increased the number of times of colliding effectively, accelerate cement particle surface hyrate to speed that liquid phase spread, is it fully go on to mix and stir at micro competence to guarantee

    而振動作用使物料顆粒間的粘性和內摩擦力大大減小,使物料顆粒的運動速度增大,增加了有效碰撞次數,加快了水泥顆粒表面水化物向液相擴散的速度,從而保證了拌和在微觀水平上的充分進行。
  6. And the case analysis on 6240 type diesel engine suggested that not only the phase angle of 0. 5 order torsional vibration can be used to diagnose the cylinder - scoring number, but also the amplitude can reflect the fault degree

    對6240柴油機的實例分析表明,不僅可以利用0 . 5諧次扭振相位角準確判斷出內燃機拉缸缸號,還可利用其幅值反映拉缸故障程度。
  7. Now, it contracted obviously the disparity with whole country advanced level and raised the testing accuracy and research levels that the research institute whose experiment area is big and the devotion value is high, purchased lately a number of advanced experiment instrument equipments and software, for instance, model machine quickly, tri - coordinate measure machine, laser 3d scanners, multicenter vibration test and analysis system, electronic all - powerful experiment machine, hydraulic presses servo fatigue test machine, festo machine electricity to imitate manufacture system, the software of cad / cam / cae and so on

    如今,研究所的實驗面積大、投入價值高,新購置了快速成型機、三坐標測量機、激光三維掃描儀、多通道振動測試與分析系統、電子萬能試驗機、液壓伺服疲勞試驗機、 festo機電模擬生產系統、 cad / cam / cae軟體等一批先進的試驗儀器設備和軟體,明顯縮小了與全國先進水平的差距,提高了試驗的準確性和科研水平。
  8. The general attenuation law of ground vibration caused by heavy tamping is verified by spectrum analysis in this paper. moreover, the relationship between attenuation index and standard penetration number is created through combination analysis of vibration attenuation and surface wave propagation

    在此基礎上,通過面波分析,得出了場地介質衰減指數和表徵場地介質性質的參數?標準貫入擊數之間的關系,給出了表達式的一般形式。
  9. With the wave number analysis of the structural vibration of flexible mechanism, the relationship between structural vibration and structural acoustic radiation are studied

    通過對彈性機構振動波數譜分析,得出了機構振動與聲輻射之間的關系。
  10. The investigate characteristic of system vibration and effects of contact ratio, gear number on dynamic mesh force were discussed. rotational modes are independent of the transverse support stiffnesses of the carrier, ring gear, and sun gear

    在此基礎上分析了不同速度(頻率)對系統振動的影響,並研究了重合度、齒數與系統動態嚙合力之間的關系。
  11. Using this model, the optimization of the powertrain rubber mounting components " parameters and vehicle riding quality could be acquired. a large number of vibration response experiences and spectrum analyses of full vehicle on road and idling are measured

    同時進行了大量各種工況下的實車振動響應測試和頻譜分析,對比分析了模擬模型和實車試驗中橡膠懸置元件對整車振動的影響,得到了一些有價值的結果。
  12. The bic method generalized from ar model was adopted to determine the number of input neurons in grnn prediction model. the grnn was applied to single - step and multi - step ahead prediction of the vibration time series of a rotating machine, and its performance was compared with that of 3 - layers perceptrons network with error back propagation training algorithm ( bpnn ). it is indicated that the grnn is more appropriate for prediction of time series than the bpnn, and the performance of grnn is qualified even with sparse sample data

    研究了基於廣義回歸神經網路( grnn )的大型旋轉機械振動狀態預測,提出了應用bic準則確定grnn預測模型輸入神經元數目的方法,將grnn用於大型機組振動峰?峰值時間序列的預測,與採用誤差反向傳播學習演算法的三層前饋感知器網路( bpnn )的預測結果對比表明, grnn的預測性能優于bpnn ,而且,即使樣本數據稀少,也能獲得滿意的預測結果。
  13. Through redesigning of pipe system to alter its character and using the ways to isolate vibration and reduce vibration, it is yielded very good results of reducing the vibration and noise. in some points the acoustic pressure level drops very much, such as in the standard point of number one pump the acoustic pressure level drops 15db ( a ) and in the standard point of cistern also drops 15db ( a ), and in the highest point of the acoustic pressure before redesign drops from 105db ( a ) to 44db ( a ), and in the second floor the acoustic pressure level have reached the requirment

    通過對管道結構的改造,減振和隔振措施的有效使用,使供水系統的振動和噪聲得到了有效的控制:使一號泵前的標準點和蓄水池前標準點的噪聲聲壓級都降低了15db ( a ) ,管道上測點的振動量降低了90 ;二樓居民門外的噪聲從55db ( a )降到25db ( a ) ,遠低國家標準35db ( a ) ;在改造前噪聲最大點西側蓄水池的噪聲也由105db ( a )降到44db ( a ) 。
  14. There may be hundreds of potential vibration modes in a typical structure, but usually, it is only a small number of vibration modes with the lowest frequencies that are of interest

    一個典型結構可能有數百個振動模態,但通常我們只對少數低階頻率對應的模態感興趣。
  15. Raft vibration - isolate simulation system of this paper can provide the functions as follows : 1. it can calculate the natural frequencies, vibration modes, modular state and dynamic response of the unit according to the given structural parameters of the selected raft vibration - isolating unit, the number of vibration isolators and their installation positions. and also, the design effect of the selected scheme can be displayed vividly

    另外,本論文研製的「浮筏隔振裝置減振降噪模擬系統」 ( raftvibration - isolatesimulationsystem , rviss ) ,功能包括: 1 、計算根據使用者輸入的機組結構參數、減振器的選型參數,可分別進行系統固有頻率及振型、系統模態分析及靜力計算、動力響應計算等,並提供計算報告;利用三維計算機技術實時模擬,形象逼真、動態顯示計算效果。
  16. The effective law on the frequence and modal of vibration due to the fluid velocity, the fluid press and the number of elements was obtained

    得出流體流速、流體壓力、劃分單元個數等對管道的頻率和振型的影響規律。
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