surface wave technique 中文意思是什麼

surface wave technique 解釋
表面波法
  • surface : n 1 表面；地面；水面；廣場，空地。2 外觀，外表，皮毛。3 【幾】面；切口；【航空】翼面。adj 表面的...
  • 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...
  • technique : n. 1. （專門）技術；（藝術上的）技巧，技能。2. 手法〈如畫法，演奏法等〉。3. 方法。
  1. The wave - equation - datuming ( wed ) technique is a necessary alternative to the conventional static corrections when the surface - consistent assumption is invalid

    摘要波動方程基準面校正處理被認為是當地表高程變化劇烈、地表一致性假設又不成立的情況下對于常規高程基準面校正的必要替代。
  2. Rayleigh surface wave exploration technique is used to get transverse wave speed of impermeable wall, which build on the theory of half space

    在此基礎上，我們把瞬態面波技術應用於防滲墻無損檢測中以獲得防滲墻的剪切波速。
  3. Piezoelectric acoustic wave sensing technique has been applied to numerous fields, including analytical chemistry, life science, environmental monitoring and surface sciences because of it ' s small size, high sensitivity, simplicity, low power consumption and broad sensing spectrum

    壓電聲波傳感技術因其靈敏度高、響應譜廣、結構簡單和成本低廉等特點已經被廣泛應用於分析化學、生物化學、環境監測及分子生物學等眾多領域。
  4. Seismic survey is a new method used to civil engineering area in recent years. it was widely applied to survey or detecting of roadbase, dam base, foundation of building, tunnel, river bed, lake bed and etc. the chief methods are reflection method, refraction method, wave velocity testing, surface ware survey and transverse wave suivey. seismic survey can divide different layer, measure the incidence of sediment stratum, detect the structure of rock, test the handle effect of surface wave survey, we can calculate the carrying capacity of foundation and other mechanical parameters. this technique can give service to some big engineering departments such as highway developing company, survey design company, water supply company, plan bureau, construct bureau etc

    應用於工程的主要方法有反射波法折射波法波速測井面波法及橫波勘探等。地震勘探能詳細劃分地層高精度地確定沉積地層的傾角能夠準確探明巖體構造褶皺斷層破碎帶裂隙帶對于回填工程路基壩基，地震勘探可以檢測其回填處理效果對于隧道工程，可以探測隧道洞體的圍巖分類及洞口地質情況利用面波勘探所得到的瑞利波速度，可以準確推算地基的承載力動彈模量等力學參數。
  5. In this dissertation, the numerical computation for the acoustic radiation problem ( arp ) is studied deeply and systematically in the theory, method and the application technique, based on analyzing the situation of the home and abroad on the numerical computation for the acoustic radiation problem. the calculation formulas of the boundary element method ( bem ) for the exterior acoustic radiation problem in the full - space and half - space are deduced, based on the wave propagation theorem ; the arising of the non - unique solutions, which is associated with the application of the boundary integral equation ( bie ) in acoustic radiation problem, is analyzed and proofed ; the improved combined helmholtz integral equation formulation ( ichief ) is presented to overcome the non - uniqueness problem more effectively and reliably ; the determination of the singular integral coefficients on various occasions is analyzed ; the properties and treatments of the singular integrals with different orders axe studied ; the computation program of the cubic spline ichief is developed and its ability to overcome the non - uniqueness problem and feasibility to discrete the surface coarsely with the sufficient calculation precision are examined through examples

    第二章在聲波動理論基礎上，詳細地推導出對應于無限域和半無限域的外部振動聲輻射問題的邊界積分方程計算公式；根據fredholm積分理論，對利用邊界積分方程計算振動聲輻射問題過程中解的非唯一性的產生進行了分析和證明；改進了chief法以提高其克服解的非唯一性的有效性和可靠性；對不同條件下奇性系數的計算、強奇性積分的收斂性及其在變量替換時與普通積分的差異性、不同階奇性積分的計算、數值求積分等進行了研究；開發了三次樣條改進chief法計算軟體，並通過算例考核了該方法在特徵波數處克服解的非唯一性的有效性和在保證計算精度的前提下實現剖分粗化以提高計算效率的可行性。
  6. This study adopts active detection technique based on lamb wave to monitor damage in composite materials. pzt ceramics with the diameter of 8mm are bonded on the surface of fiberglass - reinforced composite material acting as both actuators and sensors to generate and collect lamb waves. the waves emitted interact with discontinuities and experience a change in their propagation characteristics when damage is generated

    本文採用lamb波主動監測技術，利用粘貼在復合材料板表面的壓電元件，通過選擇恰當的激勵信號，激勵出可進行lamb波分析的主動監測信號，進而對監測信號進行分析及模式處理，初步實現了二維結構的損傷定位。
  7. As one of the most potential experimental stress measurement, ultrasonic technique was widely developed and applied in recent years. limited by their own characters, bulk wave and surface wave in ultrasonic frequency are difficult to be used to measure the internal tangent stress condition from the surface of medium. in many occasions, they will not be able to evaluate the working condition of mechanical components effectively

    超聲波技術作為最有潛力的實驗應力測量技術之一，近年來得到了廣泛的發展和應用，然而超聲體波與表面波由於其自身的限制性，均無法從表面測量內部的切向應力狀況，在許多場合下無法有效進行機械構件工作狀態的評估。
  8. Experimental study on the metal material surface stress measurement using surface wave technique

    超聲表面波檢測金屬材料表面應力的實驗研究
  9. Firstly, this paper summarizes modern weaponry stealth technology at home and abroad, and lays special emphasis on analyzing stealth problem of cruise missile ’ s guidance head cover, aerocraft radar canopy and other privileged sites. secondly it makes a research on related theories of transparent metallic mesh that applied to missile ’ s guidance head cover and aerocraft radar canopy, and deduces relational expression between transparent metallic mesh structural parameters and radar wave - shielding efficiency, infrared transmitting. we use laser direct writing technique to fabricate a metallic mesh ( dimension : 70mm 70mm ; line width : 5 m ; period : 350 m ) on glass surface, then do experiment to test radar wave - shielding of metallic mesh via radar transmitting and receiving device

    本文首先綜述了國內外現代武器系統隱身技術方法;重點對巡航導彈導引頭罩和飛機雷達艙罩等特殊部位的隱身問題進行了研究，研究了金屬網柵用於導彈頭罩和飛機雷達艙罩隱身的相關理論，推導了金屬網柵結構參數對雷達波屏蔽效率和透紅外關系式;用激光直寫工藝，在玻璃表面上製作了一塊面積為70mm 70mm ，線寬為5 m ，線周期為350 m的金屬網柵;在實驗室里用雷達發射和接收裝置測試了網柵對雷達波的屏蔽實驗;認為利用金屬網柵技術對雷達波具有一定的屏蔽作用，而且不影響精確制導的紅外線高效透過。
  10. Surface wave technique

    表面波法
  11. Impervious wall is thin and deep, so it cannot satisfy the hypothesis of half space. the surface wave theory of impervious wall is analyzed and proves that surface wave speed in impermeable wall is nearly equal with that in plane - strain problem, so the transverse w ave speed getting by rayleigh surface wave exploration technique can satisfy the precision desire of engineering

    我們對面波在防滲墻中傳播原理進行了分析，證明防滲墻中的面波波速與半空間理論中面波波速差別很小，因此，用瞬態面波檢測技術來獲得剪切波速可以滿足工程精度的要求。
  12. High - density seismic image can find problems in impervious wall quickly, so we use it to find out the place that may has problem, then use rayleigh surface wave exploration technique to give more detecting. in this way, the non - destructive detecting speed is increased

    為提高檢測速度，我們利用高密度震動映像技術快速、直觀的特點，首先對防滲墻整體的施工質量進行檢測，快速發現可能存在問題的地段，然後再用瞬態面波技術作進一步的檢測。
  13. With nd : yag laser, the surface acoustic wave pulses were generated on the sample of aluminium and silicon. well - defined waveforms have been acquired. the results show this technique have advantages such as high frequency responding, high signal - to - noise ratio

    對nd : yag固體激光器在鋁和硅材表面激發的聲表面波脈沖進行了系統的實驗測試，結果得到了良好的波形，此法相對于其他光學方法具有頻響高，靈敏度高，線性較好的諸多優點。
  14. Liquid surface wave and its optical measurement technique of surface wave characteristic

    液體表面波及其光學測量方法
  15. Based on a brief review of the development history of he surface wave exploration, this paper deals emphatically with the essentials of the surface wave exploration technique and the advances in the natural source surface wave exploration and artificial source surface wave exploration in the past ten years, and points out some problems which deserve much attention in future utilization and development of this technique

    摘要在簡要回顧面波勘探發展歷史的基礎上，著重介紹面波勘探技術要點和近10年來天然源面波勘探和人工源面波勘探的最新進展，並對使用和發展這項方法技術提出應當注意的問題。
  16. Firstly, fkdv equation for the nonlinear surface wave was obtained by perturbation technique from potential flow theory

    首先，從勢流理論出發，利用攝動法，導出了非線性表面波遵循的fkdv方程。
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