震源震時 的英文怎麼說

中文拼音 [zhènyuánzhènshí]
震源震時 英文
time of shock at the origin
  • 震 : Ⅰ動詞1 （震動） quake; shake; shock; vibrate 2 （情緒過分激動） be greatly excited; be deeply ast...
  • 源 : 名詞1. （水流起頭的地方） source （of a river）; fountainhead 2. （來源） source; cause 3. （姓氏） a surname
  • 時 : shí］Ⅰ名1 （比較長的一段時間）time; times; days:當時at that time; in those days; 古時 ancient tim...
  • 震源 : [地球物理] focus; seat; hearth; centre; centrum; origin
  1. In the case that hypocenter depth is far less than the epicenter distance without depth phases available, only the relative epicenter distribution could be obtained accurately by double difference method, the depth determined would be not stable

    當震源深度遠小於震中距時，如果沒有深度震相的參與，只能得到誤差較小的震中相對分佈，深度的相對位置仍有較大的誤差。
  2. The source time function directivity is in accordance with the p waveform directivity, clearly showing that the nodal plane of strike 199 is the fault plane and that the earthquake ruptured unilaterally from the northeast to the southwest

    震源時間函數的這種方向性效應與p波的方向性效應相一致，清楚地表明：走向為199的節面為斷層面，地震是從東北向西南方向單側破裂的。
  3. The principle of vibrator is to introduce scattered energy to underground in a comparatively long time, and collect the energy through correlation and compress it into a narrow pulse. the portable high - frequency vibrator system, developed by key lab of geo - exploration and instrumentation ( jilin univ ), ministry of education, generates chirp signal and accumulates energy through a long - time bestiring. according to the characteristics of vibrator, the seismic recorder that operates on - line with vibrator must have these functions as follow : first, it must have the ability of recording a great quantity of data. second, it must have assistant channels to sample reference signal. third, it must have the function of data correlation in real - time

    可控震源利用可控的小能量、長時間激發波來實現沖擊震源瞬時產生的大能量激發波。在利用可控震源進行地震勘探時，要求地震儀長時間記錄地震信號，這對地震儀的采樣長度提出了很高的要求。受存儲量和數據傳輸速度的限制，絕大多數地震儀很難對如此大的數據量進行記錄，同時，可控震源要求地震儀有兩個輔助通道並且具有數據相關功能，目前國內還沒有出現滿足要求的地震儀產品。
  4. The opposite collision source improve the energy of the source and obtain the seismic wave having high energy by using the dynamite explode the two poles at the same time

    兩彈對撞震源採用藥柱兩端同時起爆，提高震源的激發能量，產生高能量的地震波。
  5. The result shows, the source parameters for example seismic moment, corner frequency and stress drop and so on is relative with magnitude, the evolvement characteristic of time and space of stress drop is a new measure for earthquake prediciton

    分析表明，該地區的地震矩、拐角頻率與應力降等震源參數與震級有一定的相關性，應力降的時空演化特徵可以作為該地區今後地震趨勢預測的一種新手段。
  6. The cross - well seismic forward modeling program can be applied to geological model that has different velocities and dips to calculate cross - well seismic synthetics for given sources and receivers by ray tracing the least traveltime or four order differential wave equation

    研製的井間地震正演合成記錄的程序，可用來對不同速度、不同傾角的地質模型，通過最小旅行時的射線追蹤或四階差分聲波波動方程，計算出對于給定震源和給定檢波點的井間地震合成記錄。
  7. A numerical algorithm for the inversion of impedance and wavelet

    波阻抗與震源參數同時反演的一種方法
  8. The importance of deciphering fault slip is difficult to overstate because when faults slip quickly, they can cause immense damage, sometimes at a great distance from the source

    要去了解、解釋斷層滑動的重要性是無庸置疑的，因為一旦斷層快速滑動，將會造成巨大的災情，有時發生位置甚至離震源還有一大段距離。
  9. The quake registered at 4 : 46 am with the epicenter in ibaraki prefecture about 130 kilometers northeast of tokyo with a focus 40 kilometers underground, the meteorological agency said

    日本氣象廳表示，地震發生在（ 2月16日）清晨4時46分。震中位於東京東北方向約130公里處的茨城縣，震源位於地下40公里處。
  10. The envelop functions of ground motion for the small - moderate earthquakes in the near - source field are different with those of the larger earthquakes. there are not stationary part any more in the envelop function of these ground motions. after we analyze the characteristics of these envelope functions we take a exponent function instead the three part function

    近場的中小地震由於其在到震源的距離與震級方面的特殊性，其時程包絡函數的形狀與遠震、大震有很大的區別，在遠震、大震包絡函數中很常見的平穩段不再存在。
  11. We analyzed and studied the structure environment, the epicenter mechanisms of medium - strong earthquakes, time and space distribution of medium - strong earthquakes and the relation between the small earthquakes clusters around baicheng and medium - strong earthquakes in the seismic field of south tianshan mountain

    摘要分析研究了南天山地震帶構造環境、中強地震活動震源機制解、中強地震時空分佈以及拜城周圍小震群活動與中強地震的關系。
  12. It was found that after our careful processing of the absorption boundary for artificial reflection, we could use the time - trace records at the surface to invert the locations of seismic sources or underground scatterer accurately

    經由適當的消除人為邊界反射，在只利用地表的歷時記錄即有效的推求出震源及散射體的精確立置。
  13. By using the projective covering method and projective covering probability, fractal and multifractal dimensions of different types of landform sueface above are computed. results show that all the studied landform surface are not simple fractals, but multi - range scaling fractals, and the fractal dimensions increase with the landform type from basin to mid - low mountain and high mountain. nevertheless, different type landscapes perform different dq - q curve shapes. which the dq value has the widest range in the high mountain type, the second one is the mid - low mountain type, and then the basin type

    對不同時段地震形變場圖象多重分形特徵的研究表明，震源區及近震源區強震前垂直形變圖象都出現信息維降低，多重分形譜曲線dq變陡，值域范圍變寬的特徵，說明在強震前地殼垂直形變出現了局部化、不均勻性增強的行為，這些對地震預報都有重要的實際意義。
  14. Using the arrival times of 197 earthquakes well recorded by the beijing seismic network and the china - germany cooperative yanqing digital seismic array in the period from october of 2001 to december of 2005, we accurately relocate these earthquakes by the joint - inversion program for hypocentralr position and 3 - d velocity structure

    摘要利用首都圈地震臺網和中德合作延慶數字地震臺陣2001年10月2005年12月獲得良好記錄的197次地震到時，運用地震震源位置和三維地殼速度結構聯合反演程序對這些地震實行精確定位。
  15. The result obtained in this study shows that : the source time functions retrieved from p - and s - waves recorded at different stations distributed at different azimuths show prominent directivity

    結果表明：從不同方位臺站的z分向p波和sh波提取的震源時間函數顯示了明顯的方向性效應。
  16. In chapter 3, the basic theory and method of retrieving source time functions from far - field seismic records to invert for the temporal - spatial source process were expatiated systematically

    第三章系統地闡述了從遠場體波提取震源時間函數（ stf ） ，用提取的stf反演震源破裂時間?空間過程的基本原理和方法。
  17. Analysis of a great many data shows that some strong earthquake will arouse seismogenic zone loading and bring the increase of stress, accelerate accumulation of nonlinear strain of medium. it will make the earthquake source rupture of high stress status in unsteadiness in advance, which resulting the proceeding earthquake occur in advance

    表明：某次強震活動可以引起某些孕震區的加載，介質非線性應變積累加速，使處于高應力狀態的震源失穩提前進入不穩定狀態，后續強震提前發生，即強震之間存在著時間、空間上的關聯性。
  18. Accurately controlled routinely operated signal system, shorted as across, is a technique developed in the world since 1990 ' s

    精密可控常時震源系統，國際上稱為across ，是accuratelycontrolledroutinelyoperatedsignalsystem的簡稱，是國際上上世紀九十年代以來發展起來的一種技術。
  19. The previous researches on the seismogenic process emphasized particularly on single earthquake source model and theory, and studied the phenomena and mechanisms of long term medium term and short - term earthquake preparation process according to its temporal and spatial dynamic evolvement of stress field and strain field in earthquake source and its neighboring area

    關于地震孕震過程，早期的研究大多側重於震源模型和理論，圍繞地震孕育發生過程中，震源及其鄰近地區應力場、應變場的時空動態演化來研討其長、中、短、臨各階段的現象與機理，而較少涉及各地震之間相互關系的研究。
  20. The accurately controlled signal source generates sinusoidal elastic wave accurately controlled in frequency and stable in phase to " illustrate " underground media. time signal stacker receive signal by stacking and doing fft to measure the transfer function of media. " sompi " cepstrum method retrieve group velocity travel times and decayed factors of wave element from observational data of transfer function in a limited frequency window

    精密可控震源用於產生頻率精確相位穩定的正弦彈性波以照射地層內部，信號疊加器通過對接收信號進行疊加和進行傅立葉變換的方式實現對介質傳遞函數的精密測量， 「存否」倒譜方法能夠根據一段窄帶頻域傳遞函數數據獲得時域上各個波成分的群速度傳播時間和介質衰減因子。
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