振速 的英文怎麼說

中文拼音 [zhènsù]
振速 英文
vibration velocity
  • 振 : 動詞1. （搖動; 揮動） shake; flap; wield 2. （奮起） brace up; rise with force and spirit
  • 速 : Ⅰ形容詞（迅速; 快） fast; rapid; quick; speedy Ⅱ名詞1 （速度） speed; velocity 2 （姓氏） a surna...
  1. Study on dynamic characteristics of absorber

    高速列車油壓減振器動力學特性研究
  2. Upbuild the signal model for ship noise, deduce the relationship between sound pressure and particle velocity in plane wave

    建立本艦噪聲的信號模型，推導了平面波聲場聲壓和振速的相關性。
  3. Compared with the pressure hydrophone, vector transducer can provide both the information about pressure ( scalar quantity ) and particle velocity ( vector quantity ) of the sound field, which offers more possibilities for signal processing. so vector transducer and its signal processing have attracted the attention of researchers both native and foreign. in this thesis, a method of correlation equations for pressure gradient transducer is presented, and the estimation of multi - signal parameters with single vector transducer is given

    與傳統的聲壓水聽器相比，矢量水聽器既能獲得聲場中的聲壓這一標量信息，又能獲得聲場中質點振速這一矢量信息，這為其信號處理帶來更大的空間，因此矢量水聽器及其相應的聯合信息處理技術日益成為國內外科技工作者們研究的熱點。
  4. To a series of dampings, velocities and frequencies, the linear interpolation is applied and the flutter speed and flutter frequency are obtained

    對得到的一系列的阻尼、速度和頻率進行了線性插值，從而得到顫振速度和顫振頻率。
  5. 3. deduce the relationship between sound pressure and particle velocity in plane wave

    對平面波聲場中的聲壓和質點振速之間的相關方程進行了推導。
  6. Experimental research on influence of main frequency of vibration on measurement of vibration rate of particle

    振動主頻對質點振速測量影響的試驗研究
  7. The numeral calculation results agree with the given velocity distribution, and the rate of convergence is quick

    數學計算結果與設定振速分佈一致，同時收斂速度也很快。
  8. Acoustics - determination of sound power levels of noise sources using vibration velocity - measurement for seal machinery

    聲學振速法測定噪聲源聲功率級用於封閉機器的測量
  9. The results indicate that the assessment conclusion educed form the application of this method and application of the 《 blasting safety regulations 》 ( gb6722 - 2003 ) are consistent

    結果表明應用該方法和運用《爆破安全規程》 （ gb6722 - 2003 ）並以振速作為判據所得的評價結論能取得一致。
  10. The acoustic pressure information and particle velocity information are used to study the direction of the arrival estimation by analyzing strong linear spectrum of the single target basing on cross spectrum method

    摘要利用矢量水聽器收集到的聲壓和振速信息，研究基於互譜法分析單目標的強線譜來進行目標方位估計。
  11. In this paper, the self - adaptive filter, the wavelet transform and the fourier transform are used to detect the stationary and the non - stationary signal of underwater sound in anisotropic noise field

    本文以各向異性噪聲場為例，分別對聲矢量信號中的聲壓、振速探討應用自適應濾波、小波變換、短時傅里葉變換檢測水聲平穩和非平穩信號的應用效果。
  12. A new direction of arrival estimation method is proposed using a single vector hydrophone, which is composed of three spatially co - located but orthogonally oriented velocity hydrophone plus another co - located pressure hydrophone

    摘要提出了一種基於單個矢量水聽器的二維波達方向估計方法，該矢量水聽器由三個空間軸向垂直的振速水聽器和一個聲壓水聽器構成。
  13. ( 二 ) using spectrum analysis investigate the transport character and primary rule of explosion wave in the medium, simulate the formula of attenuation for explosion wave, which will be used to guide the design of the engineering

    （二）採用頻譜分析方法研究了爆破產生的地震波在介質中傳播的特性和基本規律，擬合出了指導工程設計與研究的地震波振速衰減經驗公式。
  14. A vector hydrophone is composed of two or three spatially co - located but orthogonally oriented velocity hydrophones plus another optional co - located pressure hydrophone. this paper introduces an underwater acoustic eigenstructure esprit - based algorithm that yields closed - form direction - of - arrival ( doa ) estimates using a single vector hydrophone

    矢量水聽器是由質點振速傳感器和聲壓傳感器復合而成的，相對于傳統的聲壓水聽器，可以獲取水下聲矢量信號，為水下信號的檢測和估計提供了更為豐富的聲場信息。
  15. ( 三 ) under the dynamic load of the explosion, the numeric analysis has been done and achieve the rule as follow : ( 1 ) when the frequency of vibration is 0. 3hz, the acceleration of the slopes top gets the maximum ; so 0. 3hz is believed the natural frequency of the slope as a whole ; ( 2 ) the vibration of explosion can been magnified because of the condition of the landform, when the relative altitude is up to 45m, the acceleration of horizon gets the maximum ; when the relative altitude is up to 100m, the absolute value of acceleration and the deformation of horizon is larger than that in the bottom of the slope ; ( 3 ) in the period of forced vibration, at the top of the slope, the acceleration of horizon become larger and larger ; at the middle part of the slope, it becomes smaller ; ( 4 ) when the explosion velocity of is much little, the shallow part destruction is the primary deformation of the slope

    （三）採用模態疊加法針對爆破動力作用，進行邊坡的動力響應分析，得出了以下結論： （ 1 ）振動頻率為0 . 3hz時，坡面頂部水平向加速度峰值最大；綜合考慮，可認為該邊坡的自振頻率為0 . 3hz左右； （ 2 ）地形對爆破地振動存在放大作用，研究剖面的坡面，水平向加速度及位移在地形相對高差45米左右最大，而後隨相對高差的增高而減小，相對高差為100米時，水平向位移及加速度絕對值均大於坡腳； （ 3 ）強迫振動段，水平向加速度值隨時間變化的規律為：坡頂節點總的變化趨勢是越來越大，而坡體中部節點的變化趨勢是越來越小； （ 4 ）當爆破振速較小時，變形破壞的形式表現為坡頂表面滑塌型。
  16. Then the steady and unsteady subsonic, transonic and supersonic viscous flows around airfoil and some aircraft are numerically simulated. the 3 - dimensional unsteady navier - stokes equations are solved using the implicit lu - nnd algorithm, with baldwin - lomax turbulent model. on the basis of simulating unsteady viscous flow, coupling the structure dynamics equations, the problems of static aeroelasticity and flutter are investigated for wings and elevator

    在模擬非定常粘性繞流的基礎上，與顫振運動方程相耦合，分別對機翼和全機流固耦合現象中顫振問題進行了研究，準確求解跨音速顫振臨界速度，分析機翼和全機的從亞音速到超音速范圍的顫振規律，並研究分析了機翼飛行迎角變化對顫振速度的影響。
  17. The coherence analysis of the sound field using prssure and particle velocity combined processing was discussed. a new kind of combined sensor was used to gather the information of the sound field. the main idea of this paper is to seperate ambient noise field ， and the characteristics of it can be further studied. the coherence of a point source sound field was also analyzed to verify the validity of the approach

    聲場聲壓與振速的相干性是聲壓、振速信息聯合處理的重要物理基礎之一，本文對其進行了初步的分析.在新型組合傳感器湖試的基礎上，把環境噪聲場分解為不相干的各向同性分量和相干的各向異性分量，初步分析環境噪聲場的構成；同時對點源聲場的相干性也進行了驗證性的分析
  18. Get the approximate and the accurate correlation equations of pressure and velocity for narrowband signal, and the approximate correlation equation for broadband signal. 4. introduce the method of the genetic algorithms, and perform an improvement

    在窄帶信號下，得出了近似條件下和精確條件下的相關方程，而在寬帶條件下，得出近似條件下的表達式，從理論上推導出了聲壓和質點振速之間的相關方程組。
  19. The principle having wielded the physics dither ' s, vibrates about while making massage, produces the feeling being similar to hand massage as a result, vibrating reaching but adjusting ad hoc different massage way is fast, get the effect to deep massage, break up, consume a fat ; move muscle ; reach the effect reducing weight thereby

    運用了物理高頻振動的原理，在做按摩的同時上下振動，因而產生與人手按摩相似的感覺，特設不同的按摩方式及可調節的振速，起到深層按摩的作用，分解、消耗脂肪；運動肌肉；從而達到減肥效果。
  20. Give some simulations about the doa ( direction - of - arrival ) estimation based on system of correlation equations. while the improved genetic algorithms was used. comparison of the accuracy of estimation for different objective function and different values of snr are given with narrowband signal

    該方法運用改進后的遺傳演算法對聲壓和質點振速之間的相關方程進行求解，當目標信號為窄帶時，對不同代價函數下遺傳演算法對信號的方位和強度估計進行了比較，並對信噪比、方位角變化時該方法的估計結果進行了模擬研究。
分享友人
分享到 Line

分享到臉書