震源深度 的英文怎麼說

中文拼音 [zhènyuánshēndù]
震源深度 英文
depth of focus
  • 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
  • 深 : Ⅰ形容詞1 （從上到下或從外到里的距離大） deep 2 （深奧） difficult; profound 3 （深刻; 深入） thor...
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 震源 : [地球物理] focus; seat; hearth; centre; centrum; origin
  • 深度 : 1. （深淺程度） degree of depth; depth 2. （觸及事物本質的程度） profundity; depth
  1. The focal depth was about 6 mi.

    震源深度約6哩。
  2. 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。
  3. Depths of these hypocenters concentrate at about 12km deep in the upper crust.

    這些震源深度集中在地殼上部約12公里處。
  4. The relative exploration methods include : tem, csamt, seismic prospecting for metal deposits, geophysical prospecting in well, deep penetrating geochemical exploration, high resolution magnetic, and high resolution gravitational exploration

    相關的找礦技術包括時間域瞬變電磁法（ tem ） 、可控源音頻大地電磁法（ csamt ） 、金屬礦地震方法、井中物探方法、深穿透地球化學方法、高精度磁法、高精度重力等。
  5. In order to calculate synthetic seismograms in a layered half - space with the sources and the receivers at close or same depths, an efficient numerical integration method - the peak - trough averaging method ( ptam ) is proposed, based on the repeated averaging method

    摘要為了計算在震源和接收點深度相同或相近情況下分層半空間介質中的合成地震圖，在重復平均法的基礎上加以改進，提出一種有效的數值積分方法峰谷平均法。
  6. This paper relates to some problems about the determination of design ground motion parameters, which include the choice of the attenuation relationship of rock horizontal acceleration response spectrum, the impact of focal depth to rock peak horizontal acceleration and rock response spectrum curves, the choice of intensity envelops function and random input phase, the choice of soil nonlinearity and shear wave velocity, scale of design ground motion response spectrum etc. in the researches of relative aspect, based on a typical section plane of the engineering site, influence of the change of some parameters on design ground motion parameters and the existing errors and corresponding rules are studied by using the method of one dimension model of equivalent linearization

    摘要研究了確定設計地震動參數中涉及的若干問題，其中包括基巖水平加速度反應譜衰減關系的選擇、震源深度對基巖水平加速度峰值及基巖反應譜曲線的影響、強度包絡線函數及輸入隨機相位的選擇、土體非線性特性參數和土層剪切波速值的選擇、設計地震動反應譜的標定等問題。
  7. The migration results of the synthetic and ocean field datasets show that this method is correct and effective. several prestack depth migration methods are proposed and unified to the synthetic source record migration method. these methods include plane wave migration with fourier finite difference ( ffd ) extrapolator, maximum energy plane wave migration and prestack migration with phase encoding of areal shot records

    通過對本文提出的平面波傅立葉有限差分疊前深度偏移方法、最大能量面炮記錄疊前深度偏移方法和相位編碼面炮記錄疊前深度偏移方法的研究，試算和對比，提出了合成震源三原則，根據這些原則，提出了合成震源概念和合成震源記錄疊前深度偏移方法。
  8. The synthetic source is the generalization of plane wave source, controlled illumination source, piecewise plane wave source and areal sources with phase encoding etc. by migrating the synthetic source record, the computational cost of the conventional areal shot record migration can be reduced by several times without significantly degrading the image quality

    合成震源既包括了已有的平面波震源，也包括了控制照明震源，分段平面波震源和相位編碼震源。合成震源記錄疊前深度偏移方法是炮記錄偏移、平面波偏移、控制照明偏移和相位編碼面炮記錄偏移方法的推廣和統一形式。
  9. The differences between this method and other similar methods are : ( 1 ) the fast synthetic source record algorithm based on the wave theory is adopted in prestack depth migration. ( 2 ) the plane wave source is used in migration that is consistent with the velocity analysis method. ( 3 ) by using the controlled illumination, the distortion of the plane wave source wavefield due to the lateral velocity variation is avoided therefore the error of velocity analysis is reduced and ( 4 ) the practical velocity spectrum makes the interactive migration velocity analysis feasible and convenient

    與其他類似偏移速度分析方法的不同點在於： （ 1 ）疊前深度偏移採用基於波動理論的快速合成震源記錄演算法； （ 2 ）偏移方法採用平面波震源，與速度分析方法一致； （ 3 ）應用控制照明技術，避免了因橫向變速而導致的平面波震源波場在傳播過程中的畸變，從而減小了速度分析的誤差； （ 4 ）實用的速度譜設計，使交互偏移速度分析可行且易於操作。
  10. The common - depth - point technique merely means the manifold repetition of each reflection observation with different source - detector geometry

    其深度點技術僅意味著用不同的震源? ?檢波器的分佈形式多次重復每個反射觀測。
  11. Abstract : on the basis of systematic synthesis, and study on the recent comprehensive geophysical - geochmical data, such as seismic, gravimetric, magnetic, electric, comprehensive logging, radiometric survey, this paper divides the second - order tectonic units of the basement of mezo - cenozoic sedimentary basins, the structure and basement lithology of sedimentary basims, and ascertains the sequential structre, occurrence depth, thickness and spatial distribution of the basin cover, and analyses the uranium source condition of the basement and provenance area, and the uranium content of cenozoic strata, as well as the mobilization and migration of uranium in cenozoic cover

    文摘:本文全面系統地整理和分析研究了巴楚地區地震、重磁、電法、綜合測井、放射性測量等最新的綜合物化探資料，劃分出了該區中新生代沉積盆地基底的次級構造單元、盆地結構構造以及盆地基底巖性；查明了盆地蓋層的層序結構、埋深、厚度及空間展布；分析了蝕源區和基底巖性的鈾源條件和新生代地層的含鈾性及鈾的活化遷移規律。
  12. The quake occurred at 7 : 22 a. m. ( 22 : 22 gmt sunday ), the agencysaid. there were no immediate reports of casualties or damage

    據日本氣象廳報道，此次地震的震源深度為60公里，但沒有發生海嘯的可能。
  13. The inversion results indicate the following phenomena : the lithosphere density beneath north china area is extremely inhomogeneous, which is the reflection of the feature of violent tectonic movement ; the density distribution is coherent with tectonic ; the density is different in different tectonic units ; there are low density regions in the crust ; the strong earthquakes in north china region mainly occur at this depth

    反演結果表明：華北地區巖石圈密度極不均勻，反映了區內強烈的構造活動特徵；層內密度分佈與大地構造有明顯的相關性，不同的構造單元存在著密度差異，斷裂帶表現為密度異常梯級帶；殼內存在著低密度層，華北地區地震的震源深度主要發生在這一深度上，可能與之相關。
  14. The common-depth-point technique merely means the manifold repetition of each reflection observation with different source-detector geometry.

    其深度點技術僅意味著用不同的震源檢波器的分佈形式多次重復每個反射觀測。
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