wave impedance 中文意思是什麼

wave impedance 解釋
波動阻抗
  • 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...
  • impedance : n. 【物理學】阻抗。 acoustic impedance聲阻抗。
  1. According to the correlative theory of hydromechanics and shock wave, theoretical model of creating quasi - isentropic compression via w - mo - ti - mg system flier - plate with graded wave impedance was established, and study on the numerical simulation of the impact process was then carried out

    根據流體力學和沖擊波理論知識,首先建立了梯度飛片擊靶的理論模型,對w - mo - ti - mg系梯度飛片擊靶過程進行了數值模擬計算。
  2. 3. the acoustic wave impedance coefficient is recovered from the incomplete data of the far field pattern

    對于系數反問題進行了研究,利用遠場模式的不完全數據反演聲波阻尼系數。
  3. New method for determination the environmental waste water was established by bulk acoustic wave impedance analysis technique, which is based on the inhibition of antibiotics to the growth of bacteria. the proposed method was applied to monitor the environmental wastewater

    採用聲波阻抗分析技術,基於某些抗生素類藥物對微生物生長的抑制作用,建立了測定廢水污染程度的生物學新分析方法,並用於環境廢水污染程度的監測。
  4. The elliptical polarized wave and two types of wave impedance in the near field of current sources of an electric and a magnetic hertz dipoles combination

    一赫芝電偶極加上一赫芝磁偶極在近場之橢圓極向波與兩種波阻抗。
  5. The methods were realized directly inversion of the possion ' s ratio from cdp gather and gas - bearing identify. by applied the late theory of avo technology, after inputting the p wave section and s wave section, the p wave and s wave impedance were obtained by applying simulate anneal inversion and used the log as a constrain condition, eventually, obtain the elastic parameter u and x by p and s impedance. then, the gas - bearing will be identified by u and x. by applying this method, the avo combination inversion of prestack and post were realized

    利用上述的反演方法實現了泊松比從道集的直接反演,利用加權疊加技術實現了含油氣的識別,並利用當今avo研究的最新成果,以加權疊加技術分離出的p波和s波剖面作為輸入,在測井的約束下,採用模擬退火方法分別進行p波和s波波阻抗反演,通過p波和s波波阻抗來求取彈性參數和,再通過和的聯合解釋來進行含油氣的判別,實現了avo的疊前疊后的聯合反演。
  6. The actual data processing indicates that 1 ) compared to conventional wave impedance inversion, the method can improve the resolution of seismic data inversion, 2 ) the fault position in coherent slices of original data and coherent slices of wave impedance are coincide with that in structure maps, but the latter can provide a better criteria for fault interpretation than the former

    實際資料應用表明:與常規波阻杭反演相比,該方法可以提高地震資料反演的解析度:原始地震數據相干體切片和波限抗相干體切片的斷層位置均與構造圖的斷層位置一致,與原始地震數據相干體切片相比,波阻抗相干體切片可為斷層解釋提供更好的依據。
  7. The planeness and integrality of the flier - plate were ensured effectively by exerting restrictive pressure, controlling heating and cooling rate, lowering welding temperature or reducing welding time as much as possible, etc. theoretical model of creating quasi - isentropic compression via 93w - ofc - tc4 - a1 - mb2 system flier - plate with graded wave impedance was established, and numerical simulation of the impact process was then carried out

    採取施加外部機械力、控制升降溫速率以及盡量降低焊接溫度或減少焊接時間(防止脆性金屬間化合物的過度增長)等措施,確保了焊接接頭的平整性和界面結構的完整性。建立起梯度飛片擊靶的理論模型,對93w - ofc - tc _ 4 - al - mb _ 2系波阻抗梯度飛片的擊靶過程進行了數值模擬計算。
  8. The research and application of genetic algorithm for wave impedance inversion

    波阻抗遺傳演算法反演方法的研究及應用
  9. Equivalent value wave impedance

    等值波阻抗
  10. Characteristic wave impedance

    特性波阻抗
  11. At the same time, the thickness of target should also be in accord with the impact velocity. experiments of quasi - isentropic loading to 93 w alloys by 93w - ofc - tc4 - a1 - mbz system flier - plate with graded wave impedance were performed on light gas guns. the corrected visar - measured wave profiles were profiles with an initial velocity jump followed by a stepwise - rising front to the peak velocity amplitude, indicating that quasi - isentropic compression energy waves had been successfully generated

    在輕氣炮上利用研製的93w - ofc一tc4 . ai一mbz系波阻抗梯度飛片實現了對93w合金(靶材料)的準等嫡壓縮,經修正後的測試波形都是由一個較弱的初始速度跳躍和一段呈階梯狀緩慢上升的波陣面前沿所組成的準等嫡壓縮波。
  12. As a result, the p - v curve of the target was a quasi - isentropic compression curve, which consisted of small hugoniot curves ( similar to isentropic curves ) from different original states, and was located betwee n the hungoniot curve and isentropic curve but closer to the latter. finally, on a two - stage light - gas gun, titanium alloy projectiles ( with mass of 0. 35 ~ 2. 80g ) were driven intact to hypervelocities as over 15km / s by 93w - ofc - tc4 - a1 - mb2 system flier - plate with graded wave impedance, although the fl

    在二級輕氣炮上,利用93w - ofc一tc4一al一mb :系波阻抗梯度飛片成功將克量級( 0 . 35一2 . 809 )欽合金二級飛片發射到了15kln / s以上的超高速度,且二級飛片主體是完整性,但其平面性和飛行姿態還有待於今后的深入研究。
  13. Furthermore, the higher the impact velocity, the smaller the extended wave ' s front while the higher the peak velocity. at the same time, the thickness off target should also be in accord with the impact velocity. finally, experiments of quasi - isentropic loading to aluminum targets with lithium fluoride windows via w - mo - ti - mg system flier - plate with graded wave impedance, having been fabricated by sps, were performed on a two - stage light gas gun

    使用sps制備出平行度好、整體緻密的、 w - mo - ti - mg系準連續波阻抗梯度飛片材料,利用二級輕氣炮進行了w - mo - ti - mg系波阻抗梯度飛片材料的準等熵特性的實驗研究,成功實現了對帶窗口材料的al靶板的準等熵壓縮。
  14. Simulated annealing of multi - parameters optimization is the simulated annealing wave impedance inversion with some constraints, including s / n ratio, adjacent - channel correlation, deviation of initial model, and threshold value of reflection coefficient

    摘要多參數優化的模擬退火法波用抗反演是通過調整地震資料信噪比,相鄰道的相關性、初始模型偏差、反射系數門檻值等約束條件進行地震資料反演的。
  15. Abstract : from the equilibrium and continuity conditions of wave impedance boundary of stress wave and velocity, wave, the paper derives the expressions of reflection coefficient and transmission coefficient of stress wave and velocity wave, further, discusses the characteristics of f - v curves at different impedance ratio, and analyzes the application of these characteristics to ascertain the defects of pile and soil resistance distribution around pile by practical engineering examples

    文摘:該文從力波及速度波在波阻抗界面的平衡及連續條件,推導了力波、速度波的反射系數、透射系數表達式,進而討論在不同阻抗比時的f ? v曲線特徵,並引用幾個工程實例對應用這些特徵判定樁身缺陷及樁周土的阻力分佈進行了分析。
  16. In the present dissertation, five commercial metallic materials ? tungsten alloy ( 93w ), oxygen free copper ( ofc ), titanium alloy ( tc - t ), pure aluminum ( al ) and magnesium alloy ( mb2 ) were chosen as the composite system of the flier - plate with graded wave impedance, and their acoustic and mechanical parameters were measured. the thickness of each material was controlled so that flier - plates with a parabolic or cubic wave impedance distribution were designed

    依據實現準等熵壓縮和超高速發射對梯度飛片體系的理論要求,論文首先在一個較寬的波阻抗變化范圍內,確定鎢合金( 93w ) 、無氧銅( ofc ) 、鈦合金( tc _ 4 ) 、工業純鋁( al )和鎂合金( mb _ 2 )五種綜合性能良好的金屬和合金材料作為波阻抗梯度飛片的復合體系,並測量了材料的相關聲學和力學參量。
  17. Flier - plate with graded wave impedance, which can be regarded as a new type of functionally graded material ( fgm ) since its wave impedance changes gradually along the thickness direction and thus can be used to generate quasi - isentropic compression energy waves in targets or drive projectiles to hypervelocities, has come to show great potential for the application in dynamic high - pressure technique

    波阻抗梯度飛片作為一類新型的功能梯度材料( fgm ) ,因其波阻抗值沿厚度方向呈梯度變化而具有準等熵壓縮特性並能進一步用於超高速發射中,可以看作是fgm的優異特性在動高壓物理領域中的應用新拓展。
  18. J22 well area geology condition is superior, forward modeling, earthquake attribute analysis, seismic phase analysis, wave impedance inversion are applying to the qualitative analysis and the rational description to the sand three center 3 granulated substance groups reservoir on the basis of the achievement of utilizing geology, well logging and mud logging combined with fine structure research, advantageous belt of the development of lithologic trap has been pointed out and the very good effect of detecting the position of exploration well has been obtained

    摘要j22井區地質條件優越,在充分利用地質、測井、錄井等成果的基礎上,應用模型正演、地震屬性分析、地震相分析、波阻抗反演、三維可視化等技術,對沙三中3砂組儲層進行了定性分析和定量描述,結合精細構造研究,指出了構造巖性圈閉發育的有利區帶,落實了勘探井位,取得了很好的效果。
  19. For the sake of acquiring preferable quasi - isentropic compression energy waves, wave impedance distribution of the flier - plate had better be controlled between 2 and 3

    為了獲得較好的準等熵壓縮波形,梯度飛片應以波阻抗值為設計參數,而且其波阻抗分佈指數應控制在2 3之間。
  20. When flier - plate with graded wave impedance impacted targets with different thickness at different velocities, the variation of the impact - induced wave profiles accorded with the numerical simulation results

    梯度飛片以不同速度撞擊不同厚度的靶板時,所得到的準等熵壓縮波波形的變化規律符合數值模擬計算的結果。
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