high-frequency vibration 中文意思是什麼

high-frequency vibration 解釋
高頻振動
  • high : adj 1 高的〈指物,形容人的身高用 tall〉;高處的;高地的。2 高級的,高等的,高位的,重要的。3 高尚...
  • frequency : n. 1. 屢次,頻仍,頻繁。2. (脈搏等的)次數,出現率;頻度;【物理學】頻率,周率。
  • 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. The big dipper colloid mill principle of work full sound of something astir grinding pan tooth profile incline relative motion but becomes, high speed revolves, another static causes the material to receive the enormous shearing force and the friction force through tooth profile incline between material, at the same time and so on under the complex strength function causes the material for the fluid ultramicron smashing, the emulsification, the disperser, isotropically at the high frequency vibration and the high speed whirlpool, to stir and so on the function, may replace and surpass the stone mill, the sand blast machine, the ball mill, the breast is uniform machine, cuts the mulser, three rollers machine, organizes working efficiency and so on the stamp mill

    七星膠體磨工作原理充分動靜磨盤齒形斜面的相對運動而成,其中一個高速旋轉,另一個靜止使物料通過齒形斜面之間的物料受到極大的剪切力和摩擦力,同時又在高頻震動和高速旋渦等復雜力的作用下使物料為流體超微粒粉碎、乳化、分散、均質、攪拌等功能,可代替並優于石磨,砂磨機、球磨機、乳勻機、剪切乳化機、三輥機、組織搗碎機等工作效率。
  3. Seven stars colloid mill principle of work full sound of something astir grinding pan tooth profile incline relative motion but becomes, high speed revolves, another static causes the material to receive the enormous shearing force and the friction force through tooth profile incline between material, at the same time and so on under the complex strength function causes the material for the fluid ultramicron smashing, the emulsification, the disperser, isotropically at the high frequency vibration and the high speed whirlpool, to stir and so on the function, may replace and surpass the stone mill, the sand blast machine, the ball mill, the breast is uniform machine, cuts the mulser, three rollers machine, organizes working efficiency and so on the stamp mill

    七星膠體磨工作原理充分動靜磨盤齒形斜面的相對運動而成,其中一個高速旋轉,另一個靜止使物料通過齒形斜面之間的物料受到極大的剪切力和摩擦力,同時又在高頻震動和高速旋渦等復雜力的作用下使物料為流體超微粒粉碎、乳化、分散、均質、攪拌、混合等多種功能,可代替並優于石磨,砂磨機、球磨機、乳勻機、剪切乳化機、三輥機、組織搗碎機等工作效率。
  4. Presents the model proposed for analyzing the vibration characteristics of shrouded blades and their calculation method by employing a wave propagation theory and modal synthesis technology coupled with a finite element method from the view point it is possible not only to conduct frequency modulation of the shrouded blades of a gas turbine, but also to utilize the friction effects between them to dissipate energy, thereby attaining the aim of vibration alleviation, as shrouded blades have been widely used in the design of high - speed turbomachinery, such as modern gas turbines and steam turbines, and with the shrouded blades forming an integral whole in a centrifugal force field, the vibration characteristics of the whole ring of blades are different from those of a single isolated blade, and this makes it essential to take into account the integral effect of blade shrouds, concludes from the calculation examples and engineering application that the above approach is valid and correct along with the possibility of considerably reducing the scale of calculation and analysis, and points out it is necessary to take into consideration the coupled effect of the whole ring of blades while the dynamic characteristics of shrouded blades is being analysed

    帶冠葉片不但能調頻,還可以利用葉冠之間的摩擦效應來耗散能量,達到減振的目的.帶冠葉片在離心力場中形成一整體,其整圈葉片振動特性不同於單個孤立葉片,需考慮葉冠的整體效應.利用帶冠葉片系統的循環對稱性,提出了採用波傳播理論和模態綜合技術,結合有限元方法研究燃氣輪機帶冠葉片振動特性的分析模型和計算方法.算例和工程應用證明了該方法是效性的、正確的,並可以大大降低計算分析規模.研究表明帶冠葉片動力特性分析時必須考慮整圈葉片的耦合效應
  5. It is the first time to use the conventional espi system ( neither phase shifting nor carrier is used ) to continuously analyze the super low frequency vibration with high quantitative in the world

    在火箭固體燃料動態力學特性研究中,時間序列法成功的給出了固體燃料的蠕變曲線和蠕變速率曲線,並且給出了其熱變形和蠕變不同時刻的全場位移分佈。
  6. By computation and practical example of running machine, it is shown that the frame foundation under high - frequency machine should nut be designed in design principle of avoiding resonance, but should be designed in contral principle of vibration amplitude

    摘要通過對工程實例的計算和機器的實際運行監測結果分析表明,在高轉速機器作用下的框架基礎按共振法控制的設計原則是不合理的,而應採用振幅法的控制設計原則。
  7. This paper studies the reasons why high frequency vibration cannot be analysed by transfer matrix method, and an improvement is presented to solve effectively the problem

    摘要本文分析了傳統傳遞矩陣法不能進行高頻振動特性分析的原因,並提出了一種有效的解決方法,以供參考。
  8. Finally, application of adams in the simulation analysis of the electromagnet damping system is based on velocity feedback. the result of the simulation is indicated that : the vibration effect of low frequency and resonance peak is decreased with increment of damping ratio, and the high frequency performance is not affected

    最後採用adams對電磁阻尼隔振系統進行了振動模擬分析,模擬結果表明,合理設置阻尼比,能夠有效抑制諧振峰值,大幅度提高低頻隔振效果,並且對隔振平臺諧振頻率和高頻性能影響很小。
  9. Low frequencies are related to the random property of soil rupture, whereas random vibration frequencies of the tractor - implement system are shown in the high frequency range

    研究結果表明:低頻力與土壤振動裂縫等隨機因素有關,而高頻力則是由於拖拉機鼠道犁機組的振動引起的。
  10. Theoretical analysis and simulation experiment showed that this kind of controller can improve the dynamic characteristic of the positioning table with a short setting time, little overshoot and a fast dynamic response, and can also restrain disturbance and high frequency vibration

    理論分析和模擬實驗證明,該控制器能較好地改善此類平臺的動態特性,具有調節時間短、無超調和動態響應準確快速等優點,並能夠有效提高系統的杭干擾和高頻振動能力,所得結論對此類平臺控制器的設計具有一定指導意義。
  11. High frequency approximate solution of wave equation of bit vibration source in seismic while drilling

    隨鉆地震鉆頭震源波動方程的高頻近似解法
  12. The key points of this paper can be concluding as follows : 1. the regulations of vibration attenuation of a subway are concluded by analyzing the situ data. in the zone near rail, the high - frequency vibration is stronger than other weight, and in the zone far away from railway, the results is opposite

    主要研究內容和結果如下: 1 .對某地鐵線路環境振動實測數據進行了分析,得到了振動波在土中的傳播規律:地鐵運營誘發振動傳播過程中,近軌區域以高頻振動為主,遠軌區域以低頻振動為主。
  13. Rolling bearing ’ s vibration signal has a strong background yawp, the different fault cause the different characteristic of vibration. particularly the scathing fault, will not only cause the low frequency impact vibration, but also rise the high frequency inherence attenuation vibration of the bearing

    滾動軸承振動信號具有背景噪聲強、不同故障引起不同特徵振動的特點。尤其是損傷類故障,不但會引起低頻沖擊振動,還會激起軸承系統的高頻固有衰減振動。
  14. Finally, the technique of vibration suppression is discussed. the passive isolation that is simple is adopted for high frequency part and the effort of high frequency suppression is obvious. the bandwidth adaptive that doesn ’ t need new plants is adopted for low frequency part and simulation results indicate that the scheme is valid for the suppression of bit error rate increasing produced by satellite platform vibration

    最後對振動的抑制方法進行了研究,對高頻振動採用被動隔離方式,該方法操作簡單,對高頻振動抑制效果顯著;對低頻振動採用了自適應帶寬抑制方式,該方法無需添加新器件,對抑制低頻振動帶來的誤碼率增加作用明顯,並進行了模擬驗證。
  15. With the speed increment, not only 1 / 2x and 2 / 3x frequency component appear in low frequency segment, but also 4 / 3x frequency component begin to appear in high frequency segment. the amplitude of fraction frequency is usually larger than that of multiple frequencies. the nonlinear characteristic of torsion for rubbing rotor is similar with that of flexural vibration completely

    研究結果證實了扭振特徵和非線性特性用於該類故障診斷的可行性:從發生碰摩起,扭振分頻和倍頻相伴出現,轉速較低時, 1 / 2x成分突出,隨著轉速升高,不但有1 / 3x及2 / 3x分量出現,而且出現了4 / 3x成分,分頻幅值大於工頻及倍頻;彎振和扭振的非線性運動特性完全相似,扭振有抑制轉子系統復雜運動的能力。
  16. With the small - sized disk saw machine as the research object, and through the analysis of the main sound source and action force of the small - sized disk saw machine, it indicates that the main cutting noise is produced by the local high - frequency pulse vibration of saw blades and workpiece

    以小型圓盤鋸機為研究對象,通過對鋸切過程中主要聲源及受力分析,明確了主要鋸切噪聲是由鋸齒高頻脈沖激勵引起鋸片和工件的局部高頻脈沖振動所產生的。
  17. Technical study and practice for flotation tailings to be recovered by use of high frequency vibration screen

    高頻篩回收浮選尾煤的工藝探討與實踐
  18. The driver adopted the technique of automatic power changing between high and low voltage and the driving mode of constant current cutting wave, so that the low - frequency vibration of the stepping motor was reduced and the high - frequency torque was increased

    該驅動器採用高、低壓電源自動切換供電技術和恆流斬波驅動方式,降低了步進電動機的低頻振蕩,提高了步進電動機的高頻力矩。
  19. But there are some defaults in conventional balance values, such as low - frequency vibration, excessive high controlling - pressure, disadvantage in stability and safety, complicated construct etc, the key matters are that the valves neither work solely nor run synchronously in two cylinders

    但傳統的平衡閥存在著不少缺點,如低頻振動、控制壓力偏高、工作平穩性和安全性較差、結構較復雜等,關鍵問題是在雙杠變幅等迴路中,既不能單獨應用,又不能實現雙缸同步運行。
  20. The main achievement of the paper is to recommend the 90 point as the best place for sensor by the contrast of numerical calculation results and test signals. on the point the high frequency disturbing signal was weakened very much when the load impulse was changed, which could be explained when vibration shape was considered

    本文最重要的工作是通過數值計算與實驗的對比確定點擊脈沖荷載作用下傳感器的最佳接收位置,即距離加載點相對于管樁截面中心夾角為90的點。
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