衰減深度 的英文怎麼說

中文拼音 [shuāijiǎnshēn]
衰減深度 英文
fd fade depth
  • : 衰動詞(衰弱) decline; wane
  • : 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...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • 衰減 : attenuation; decay; damping; reduction; rejection; weakening; deamplification; dampening; dying o...
  • 深度 : 1. (深淺程度) degree of depth; depth 2. (觸及事物本質的程度) profundity; depth
  1. Abstract : propagation characteristics of r wave in a pavement structures are analysed in this paper. based on the propagation characteristics of r wave, the horizontal propagation wave is simulated by using r wave, the vertical propagation wave is also simulated by using body wave in calculating dynamic response of pavement structures. the availability and accuracy of dispersion curves measured by sasw in pavement structures is analysed by using the presented method used to calculate dynamic response

    文摘:利用有限單元法分析了道路結構的r面波傳播特性:在方向上較慢,傳播較,波動性大.提出了在道路結構動力響應計算中,利用面波來模擬水平向傳播波,利用體波來模擬豎直向傳播波.通過算例來驗證該方法的可靠性和精確性,並利用這一動力響應計算方法分析了道路結構表面波測試中所獲彌散曲線的可靠性
  2. The investigation of a lot of parameters about treated sandstone, brick materials and earthen materials with fluorited polymers has been carried out, such as the formation of polymer, the penetration depth, porosity, capillary absorption and penetration coefficient, water uptake, compressive strength, drilling resistance, absorption isotherms of water vapor, water vapor diffusion, color changes as well as resistance to desegregation of water, frizzing - throwing cycles, worming - cooling cycles, and so on. in addition, the influence of salt crystallization, acid and base, and uv aging have also been assessed in order to better understand the protection effects and utilization possibility of two fluorinated polymers, mainly according to astm standard and the combination of international methods together with general technological

    分別以國家級文物保護單位的土質、砂巖和磚材文物樣品為對象,依據astm標準及國際通用文物保護研究方法與評估準則相結合,通過膠化物形成周期、滲透、孔隙、毛細吸水和滲透系數、持水量、抗壓強、抗鉆強、吸附水蒸氣的能力、透氣性、外觀顏色等系列參數的測定,及凍融、冷熱循環、酸堿腐蝕后抗壓強、可溶鹽對保護效果的影響、酸堿及光照對表面保護效果的影響,對兩種含氟聚合物及其與有機硅的共混物在文物加固保護和表面防護中的可行性和保護效果給予了系統研究。
  3. A specimen which is much thicker than the penetration depth decays exponentially.

    一個比穿厚得多的樣品,按指數律
  4. They not only have the quality of slow decay, but also narrow beam and focused energy, which are widely used in military and communication

    電磁波的比一般電磁波慢,可以實現較大的探測;由於它的頻率高,可以實現較高的解析
  5. According to these accomplishments, several techniques are expounded emphatically in this paper, including 3d refraction statics, coherent noise suppression by prestack wave field separating ( prestack fx noise attenuation ), 3d prestack multiple domain random noise attenuation, multiples attenuation, nmo of unsymmetrical hyperbola, dynamic replacement of wave equation, surface - inconsistent residual static, super bin stacking, poststack depth migration and prestack depth migration. all the techniques have been applied in seismic processing of 2d, 3d and wide - line profiling and obtained good results

    本文根據項目組研究成果,重點閘述了三維折射波靜校正技術,疊前波場分離相干噪音壓制方法(疊前fx去噪) ,疊前三維多域隨機噪音技術,多次波技術,非對稱雙曲線動校正技術,波動方程動態替換技術,非地表一致性的剩餘時差靜校正技術,超面元迭加處理技術,疊后偏移處理,疊前偏移處理等。
  6. The second chapter is about model experiment study, it introduces purpose, scheme, equipment and experiment contents having copperplate and copper ball as object by comparability rule experimenting plenty of physical models, deals with experiment data and makes second field attenuation voltage curves first field isoline both single aperture and mutli - aperture in different situation. in the end, it obtains best depth of multi - aperture source

    利用相似性準則進行大量的物理模擬實驗,實驗觀測中以銅板和銅球作為目標體,詳細介紹了模擬實驗研究的目的、方案、使用設備以及實驗內容,並對實驗數據進行了處理分析,作出了不同模擬條件下單、多孔徑的二次場電壓曲線和一次場等值線圖,找出多孔徑作發射源的探測最佳
  7. 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反應譜關系的選擇、震源對基巖水平加速峰值及基巖反應譜曲線的影響、強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。
  8. The research indicates that the earth pressure is closely related to the grout pressure, grout depth and the soil character, and that it attenuates in the radial direction and upside

    研究表明,注漿過程中引起的土中附加應力與注漿、注漿壓力和土體的基本性狀有關,且在徑向和上部土體中很快。
  9. We also propose a method generating ir target images from visible images in the same scene. by pre - generation ir depth texture images using the calculation software of atmosphere radiation propagation and considering the mechanism of the noise disturbance of thermal imager, we successfully realize the real - time generation of dynamic ir scene and its virtual walkthrough

    提出了由可見圖像轉化生成場景目標紅外圖像的方法,採用了大氣輻射傳輸計算軟體和考慮熱像儀噪聲擾動機制的方法來預生成紅外紋理圖像的模型,實現了動態紅外場景的實時生成和虛擬漫遊。
分享友人