wave train 中文意思是什麼

wave train 解釋
【物理學】波列。

  • wave : n 〈美海軍〉女志願軍人〈見 WAVES 條〉。n 1 波浪；碎浪； 〈the wave（s）〉 〈詩〉海。2 波動；波狀...
  • train : vt 1 訓練；培養，養成；鍛煉（身體）；【園藝】使向一定方向生長，整形，整枝 （up; over）。2 瞄準，...
  1. There is an indefiniteness in the wave number that is related to the finite length of the train.

    由於波到的長度是有限的，因此相應地在波數上存在著不確定性。
  2. Keep in mind that an idealized monochromatic plane wave must be depicted as an infinite wave train.

    要記住，一個理想的單色平面波應當表述為一個無限的波列。
  3. The positive and negative anomaly centers at 500hpa level formed the anomaly " wave train " from lower latitude to higher latitude over east asia. the teleconnection pattern called east asia - pacific pattern ( eap ) plays important roles in the summer rainfall in shandong area. study shows that weaker okhotsk sea high, northward location of subtropical high and stronger indian low, are likely to lead to more rain in shandong province in summer

    分析對比旱澇年不同層次高度場以及高低層散度場，結果發現，在春夏季旱澇年，高度場幾個主要的距平中心以及115 130 e區域高（ 200hpa ）低（ 925hpa ）層散度場基本呈現出反位相分佈特徵，北半球夏季存在的東亞-太平洋遙相關型（ eap型）對山東夏季降水產生重要影響。
  4. A train of light wave may often be represented more simply by means of rays than by wave fronts.

    一列光波往往可以更簡單地用光線，而不用波陣面表示。
  5. Rainfall would be affected by that wave train

    這一波列會影響我國華北地區的降水。
  6. The anomaly of sea - ice in this area produced anomaly of circulation in middle - high latitude. there was an obvious wave train in high latitude area, its centers located at polar region surrounding greenland island, east siberian, and north pacific

    該海區的海冰異常造成中、高緯度環流的異常，在極區與歐亞高緯地區之間存在距平波列，其中心分別位於極區（格陵蘭島周圍） 、東西伯利亞、北太平洋。
  7. 2, the applications of exceptional well data : the response characteristic of the imaging logging data and acoustic wave train logging in lian - 150 well are analyzed to identify the interval that fracture growing and the fracture occurrence in these intervals

    2 、特殊測井資料的應用：深入分析了成象測井資料，聲波全波列測井資料在聯150井上的響應特徵，分析出裂縫較發育和裂縫發育層段，並對有裂縫發育的層段進行了裂縫產狀的識別。
  8. In this paper, using high - speed train aerodynamics model research system, the propagation mechanism of compression wave, which created when high - speed train entering into a tunnel was researched, at the same time the effect of velocity of the model train and the ratio of train with tunnel was analyzed, the result is helpful for future research

    利用高速列車空氣動力學模型實驗系統對高速列車在進入隧道過程中瞬變壓力的傳播規律進行研究，並分析了列車速度以及阻塞比對測試結果的影響，得出的結論對以後的研究具有一定的參考和借鑒。
  9. Analysis of the pressure wave variation generated by a high - speed train passing through a tunnel

    高速列車通過隧道時壓力波動過程的模型試驗
  10. 2. the discrete sampling value of field track vibration acceleration wave is transformed by fft and analyzed by deterministic analysis. one degree of freedom simplified model is used for train and the kinematic equilibrium differential equation is deduced to simulate the vertical wheel system

    最後，通過線性回歸得到了該地鐵軌道交通引起的環境振動的振級衰減公式; 2 .通過快速fourier變換，對實測的軌道振動加速度進行了數定分析。
  11. Via peaceful wave city educational bureau was approved 2001 more the name is ning bo impulsion to train the school

    2001年經寧波市教育局批準更名為寧波原動力訓練學校。
  12. This paper conclude the history and present situation of the research of the compression wave home and abroad ; summarize the forms dimensions of the railway tunnels and tunnel hoods abroad ; discuss the physics model and mathematics model of the air flow when high - speed train running in a tunnel and introduce the compulation method of the pressure in tunnels briefly

    本論文首先總結了隧道壓縮波研究的歷史和現狀：針對高速列車所引起的空氣動力效應要求，統計了國外高速鐵路隧道及各種緩沖結構的形式和尺寸。討論了高速列車在隧道內運行中引起的空氣流動物理模型和數學模型，並簡單介紹了隧道內空氣壓力的計算方法。
  13. A wave of train robberies followed the reno brothers ' startling hold - up

    雷諾兄弟搶劫火車得手之後，帶動了一波火車劫案的風潮。
  14. With the input of a vibration acceleration history of subway train, a full dynamic analysis of soil - pile - structure is carried out. the propagation of vibration wave on the ground and vibration responses of the huge platform and the storied buildings are analyzed. some conclusions are drawn as follows : ( 1 ) with the increase of the distance to the vibration source, vibration intensity of the ground decreases ; ( 2 ) the vibration intensity of the ground in vertical direction is slightly larger than that in horizontal direction ; ( 3 ) with the increase of the distance to the vibration source, the situation that the vibration intensity of each building in horizontal direction is maximum at highest and lowest story whereas minimum at the middle story changes gradually to that decreasing with the height of building ; ( 4 ) in vertical direction, the vibration velocities and accelerations at the end points of each story of a building are the nominal identical, which indicates that the vertical vibration of them is unanimous ; ( 5 ) the vibration intensity in vertical direction of a building is larger than that in horizontal direction ; ( 6 ) increasing of the elasticity of track is an effective way to abate vibration of ground and buildings

    本文以北京地鐵八王墳車輛段地上超大結構（車輛段大平臺及其上的小區樓房）及其地基基礎為研究對象，在研究和分析有關資料的基礎上，用快速拉格朗日有限差分法軟體flac建立了二維數值分析模型，並以列車振動加速度時程作為模型輸入，進行了地基?樁基礎?地上結構的整體動力學分析，分析了地鐵列車運行產生的振動在地面的傳播規律及其對地上結構的影響，得到了如下結論： （ 1 ）隨著與地鐵線路距離的增大，地面的振動強度有減小的趨勢； （ 2 ）地面豎直方向的振動強度較之水平方向的略大； （ 3 ）隨著與振源距離的增大，在水平方向上，地上各幢樓房的振動強度由底層和頂層的最大、中間層的最小逐漸過渡到沿樓層增高而減小； （ 4 ）在豎直方向上，每幢樓各層端點的振動速度、加速度完全相同，表明樓房各層在豎直方向上的運動狀態一致； （ 5 ）各幢樓房豎直方向的振動強度比水平方向的大； （ 6 ）增加軌道彈性是減輕地面和地上建築振動的有效途徑。
  15. Model research on compression wave of high - speed train entering into a tunnel

    高速列車進入隧道產生壓縮波的實驗研究
  16. The wave frequency has close relationship with the train ’ s speed. the train ’ s speed is more rapid, the frequency of wave is also higher, and the wavelength is shorter. if the distance between two wheels on the same rail is equal to

    如果兩個車輪之間的距離等於半波長的奇數倍，那麼當這兩個車輪所產生的振動波傳播到鋼軌上同一點的時候，所引起的振動在該點的相位正好相反，振動疊加后的和位移將為零。
  17. When a high speed train travels in a tunnel or two trains encounter, there will occur pressure wave which makes passengers feel uncomfortable

    摘要高速列車穿越隧道或兩車交會時產生的壓力波動將對旅客產生「耳感不適」 。
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