振動頻率計 的英文怎麼說

中文拼音 [zhèndòngbīnlǜjì]
振動頻率計 英文
sonometer
  • 振 : 動詞1. （搖動; 揮動） shake; flap; wield 2. （奮起） brace up; rise with force and spirit
  • 頻 : Ⅰ形容詞（次數多） frequent Ⅱ副詞（屢次） frequently; repeatedly Ⅲ名詞1 [物理學] （物體每秒鐘振動...
  • 率 : 率名詞（比值） rate; ratio; proportion
  • 計 : Ⅰ動詞1 （計算） count; compute; calculate; number 2 （設想; 打算） plan; plot Ⅱ名詞1 （測量或計算...
  • 振動 : vibrate; vibration; vibrance; vibrancy; vibra; vibes; shaking; rumble; jitter; chatter; sway; jar...
  • 頻率 : frequency; rate
  1. A new method for measuring the vibration of shadow mask without touch by detecting the light density with reflection type optical fiber sensor is presented. the measurement system based on the new method is designed to make the vibration measurement easier working, faster calculating, and get more precise results. it is an important measurement and analysis tool to improve the performance of shadow mask and display quality of cpt

    本文提出了基於單光纖光強度反射法的非接觸式微振動測量系統的原理，並設計製造了該測試系統，探索出了簡單方便可靠的測量方法，能夠準確客觀地反映蔭罩振動的各項參數（各振動模的振動頻率、振幅、衰減時間） ，實現了測試裝置的簡便化和測試過程的自動化，為cpt張緊式蔭罩系統的性能改進與顯示質量的提高提供了有效的測試分析手段。
  2. Due to too much short sustained time duration of oscillation for the blades and too wide distribution of oscillation frequency over the audio frequency range, a procedure of variable gate frequency measurement has been applied to the design of frequency measuring instrument with a micro - - controller unit ( mcu ) as its core. this procedure features a high precision and rapid speed

    由於葉片振動持續時間很短，且振動頻率在音頻范圍之內分佈較廣，故在設計以單片機為核心的測頻儀時採用了變閘門測頻法，該方法具有精度高、速度快的優點。
  3. Reed frequency meter

    振動片式頻率計
  4. As the experiment results show, multiple reasons led to the offset of oscillating frequency, including diode ’ s nonlinear characteristic, fluctuation of electrical source voltage, traction of load impedance, change of environmental temperature and humidity and the design of circuit

    實驗結果表明多種因素引起了振蕩頻率的偏移，包括二極體的非線性、電源電壓的波動、負載的牽引、環境溫度濕度變化以及電路板設計方面的因素等。
  5. Vibration frequency meter

    振動頻率計
  6. The cable tension plays an important role in the construction control and long - term monitoring of cable - supported structures. the engineering implementation of a vibration - based cable tension evaluation is mostly carried out based on the taut string theory where the cable tension is estimated from measured natural frequencies by use of a simple explicit formula

    振動法測索力廣泛應用於索結構的施工控制和健康監測，其原理是基於弦振動理論：索拉力與自振頻率之間存在簡單的關系，因此可以由實測的自振頻率計算得到索力。
  7. The main work includes : for the torsional vibrations of a rigid disk on saturated media, first, the dynamic governing equations are solved by the use of hankel transform and the general solutions in the hankel transform fields are formulated. then, considering the mixed boundary - value condition, the dual integral equations of the torsional vibrations of a rigid disk on saturated grounds are obtained, which can be reduced to the fredholm integral equations of the second kind and solved by numerical procedures. consequently, the dynamic compliance coefficient curves and the torsional angle amplitude curves versus the dimensionless frequency are presented and contrasted to that of the elastic one

    在前人研究的基礎上，本文基於陳龍珠等曾提出的一組實用飽和土波動方程，用解析或半解析的方法首次較系統而深入地研究了飽和半空間地基與基礎的扭轉振動問題，主要工作有：對于飽和地基上剛性圓板的扭轉振動，作者首先採用hankel變換求解了動力控制方程，得到了該控制方程在hankel變換域內的通解，然後由混合邊值條件建立了飽和地基上剛性基礎扭轉振動時的對偶積分方程，並將其化為易於數值求解的第二類fredholm積分方程，用數值方法計算了基礎的動柔度和扭轉角幅值與振動頻率的關系曲線，並將其與單相彈性介質情況進行了對比分析。
  8. When the frequency approaches zero, the factor approaches zero correspondingly ; 2 ) the amplitude of interaction factors changes with the incident angle of rayleigh waves and reaches maximum when is zero. moreover, with the increase of, the wave period shortens apparently ; ( 3 ) the amplitude of interaction factors decreases as the pile spacing increases and approaches to zero when the pile spacing is 15 ; 4 ) the amplitudes of interaction factors increase clearly with the increasing stiffness ratio of pile to soil ; 5 ) the lat eral seismic response of fixed - head pile groups is much smaller than that of free - head pile groups. moreover, the pile - group effects induced by rayleigh waves can be neglected ; 6 ) the lateral seismic response of piles at different location differs from each other

    得到了以下結論： 1 ）樁的相互作用因子隨頻率呈周期性變化，在振動頻率比較低的情況下，樁的橫向相互作用因子也較低，當頻率趨近於零時，相互作用因子也趨近於零； 2 ）樁的相互作用因子的幅值隨瑞利波入射角度的變化而變化，在= 0情況下幅值最大，且隨入射角度的增加，波動的周期明顯縮短； 3 ）樁的相互作用因子的幅值隨著樁與樁間距的增加而減小，至s d = 15時，樁的相互作用因子基本趨近於0 ； 4 ）在頻率比較低時，相互作用因子幅值隨樁土相對剛度比的增加而顯著增加； 5 ）樁頂固接可以有效地降低群樁的橫向地震響應幅值，由瑞利波產生的群樁效應可以忽略不計； 6 ）群樁中不同樁位的樁的橫向地震響應是不同的，每根樁所在的樁位對其橫向地震響應有很大的影響；刀樁數的增加並不能減小樁的橫向動力響應。
  9. In general, the upward amplitude curve " curvature is larger, and it changes quicker. on the contrary, the downward is smaller and slower ; because the flare force contains the square of the wave elevation velocity, it results in an difference between the flare force frequence and the associated moving frequence ; the flare force decreases the downward amplitude of heaving oscillations ; the speed of ship has an ignorant effect on the peak values of three calculated values, but there is an obvious effect on the oscillating frequence ; the wave amplitude has an effect on the ship motion, and there is an linear relation between the oscillating amplitude and the wave amplitude on the whole. by the way, there are some experiences and lessons according to the progress calculation : before the calculation of the ship motion, we should checkout the balance in a calm water firstly, namely, the whole displace of ship and the longitudinal position of the center of gravity must be consistent with the draft in calm water, or else, the calculation may show the " floating " phenomenon ; the mixed language programming has a lot of virtues, but it exists a fatal limitation - the debug of dll

    研究表明：在某些頻率范圍內相關水動力系數基本不隨吃水變化，只有超過某一頻率后水動力系數的值才會出現差異；在橫搖方向，水動力系數並沒有隨著吃水的變化發生規則變化，而是出現了波動現象；近船首剖面的水動力系數計算表明，水動力系數的波動非常大，並遠遠偏離了平均位置的水動力系數值，值的變化速率也不盡相同，總的看來，上振幅曲線曲率較大，變化較快，下振幅曲線曲率較小，變化較慢；外飄力和波面運動的速度的平方項有關，導致其振動頻率和相應運動方向的頻率不同；外飄力使升沉向下運動的幅值減小；船速對三個計算量的峰值影響甚微，但對振動頻率有明顯影響；波幅對船舶運動的影響是明顯的，船舶運動的幅值基本上和波幅成線性關系。
  10. Chen, t. y., 1987. 05, ” finite element model refinement using modal analysis data, ” ph. d. dissertation, the university of texas at arlington

    鄔詩賢、陳定宇、林忠志， 1989 . 06 ， 「設計參數對自然振動頻率之影響-頻率靈敏度分析， 」金屬工業中心委?研究計劃報告
  11. The frequence and modal of main stream piping were analysed under the condition of different velocity of stream and the valve taken as the centralizing mass. this paper also gives the responses of steady state under the condition that the frequency of forced vibration is 4hz 、 8hz 、 12hz respectively

    將閥門作為集中質量處理，分析計算不同蒸汽流速下，某汽輪機主蒸汽管道系統的振動頻率和振型，並給出了激振力頻率分別為4hz 、 8hz 、 12hz時該管道系統的穩態響應。
  12. As an example the main cable of the tsing ma suspension bridge is considered. the free vibration frequencies and the dynamic response under a harmonic point load are determined

    作為算例，對香港青馬懸索大橋的主索進行了計算，求得了索的固有振動頻率以及索在簡諧荷載下的動力響應。
  13. This rate is called frequency and is measured in hertz3, or vibrations per second

    這種速率叫做頻率，計算單位為赫茲（每秒鐘振動頻率） 。
  14. The geometries and the harmonic vibrational frequencies for several sno doublet state isomers have been predicted at density functional theory levels with a 6 - 311 + g * basis set

    在各種dft方法水平上對sno二重態的結構和振動頻率進行了計算。
  15. 1. 2. using different theory, especially the density function theory, we calculated the geometris of the ( no ) 2 - and harmonic vibrational frequency. the results indicate that there are seven stable doublet states

    在各種計算方法的基礎上，特別是各種dft方法，對（ no ） _ 2可能存在的構型進行了尋找，幾何優化並結合振動頻率分析表明，存在7種可能的穩定構型。
  16. Xianghongdian concrete gravity - arch dam was analyzed using numerical simulation in this paper. in different place of dam crack with different stripe and various depth was simulated and corresponding vibration frequency and shape were given. the frequency of damaged dam polluted by noise was also discussed and the results were presented using statistical neural network to identify

    本文對響洪甸重力拱壩進行數值模擬分析，在大壩的不同位置模擬了條數不等的、張開度不同的各種裂縫，並給出了相應的振動頻率和振型，考慮了測試噪聲的影響，並用統計神經網路進行了識別。
  17. The results of numerical calculation show that the ground - state energy changes with the coulomb bound potential, magnetic field and the well - width, which will increase with increasing magnetic field and decrease with increasing the coulomb bound potential and the well - width

    通過數值計算結果表明：量子阱中束縛極化子的基態能量因振動頻率、庫侖束縛勢、磁場和阱寬的不同而不同，它隨振動頻率和磁場的增加而增大，隨庫侖束縛勢和阱寬的增大而減小。
  18. In order to use transverse vibration frequence and modal shape to identify beam boundary conditions, this paper presents five formulas by using the modified theorem of reciprocal works

    摘要基於修正的功的互等原理，利用桿件橫向振動頻率及主振型反算桿件邊界條件推導出了5個計算公式，並進行了數值計算。
  19. Three examples of different layer numbers and different putting methods of electro - elastic layers are given. the calculation of the frequencies of the electro - elastic and normal material plates is of some practical value

    用mathematica編制相應的計算程序，給出算例，計算不同壓電復合材料的振動頻率，在實際應用中具有一定的價值。
  20. Finally, multi - passage method was adopted to deal with the phase - difference periodic boundary condition. when the frequency of separated vortex propagating is not the same as the vibrating frequency of blade, this method is much more reasonable than those simple phase - shifted periodic condition in single passage

    最後，採用多葉柵通道計算來處理相差周期邊界條件，在分離渦傳播頻率與振動頻率不同時比其它採用簡單相移條件的方法更為合理。
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