波速法 的英文怎麼說

中文拼音 [bōsùfǎ]
波速法 英文
wave velocity method
  • 波 : Ⅰ名詞1 （波浪） wave 2 [物理學] （振動傳播的過程） wave 3 （意外變化） an unexpected turn of even...
  • 速 : Ⅰ形容詞（迅速; 快） fast; rapid; quick; speedy Ⅱ名詞1 （速度） speed; velocity 2 （姓氏） a surna...
  • 法 : Ⅰ名詞1 （由國家制定或認可的行為規則的總稱） law 2 （方法; 方式） way; method; mode; means 3 （標...
  1. Legalizing soccer betting is affirmation of gambling and opportunist behaviour is incongruent with the values the society wishes to promote. in recent years, the hk community learnt a hard lesson from the rapid economic downturn and the crash of the stock and property markets

    政府如將賭波合法化，是確認賭博及機會主義行為，這與社會希望鼓吹的價值觀互相違背。近年來，香港已從急速的經濟衰退及股票和物業市場的崩潰中得到慘痛的教訓。
  2. Different algorithms were compared in the numerical simulation and model experiment of concrete velocity inversion the results showed that, compared with the least - square solutions and the damped least - square solutions, the damped and natural weighted least - square solutions reflected the inner defections of the tested object more reliably and exactly due to the usage of correct priori information, which benefited the suppression of noises and made the iterations of inverse stable and convergent

    結果表明，相對于最小二乘法和阻尼最小二乘法，基於自然權的加權阻尼最小二乘演算法，由於利用了正確的先驗信息，不但使反演過程收斂，而且具有數值穩定、抗噪能力強的優點，其成像結果能真實有效地反映對象內部缺陷，因此更適用於混凝土的超聲波速度反演。
  3. Rapid fourier transform nmr correlation spectroscopy

    快速傅立葉變換核磁共振相關波譜法
  4. An optimized approach for single - hole method of shear wave velocity measurement based on correlation functions

    基於互相關函數的單孔法波速測試優化演算法
  5. On the basis of the number and exact position of sensitive wave bands, the mechanisms of measuring surface colors by means of a computer with sensitive wave band method are established, which provides a rapid and effective method for measuring and controlling colors

    摘要根據色度學理論尋求靈敏波長的個數和確切位置，從而建立靈敏波帶法計算機測色機制，為顏色測試和控制提供快速有效的方法。
  6. Using three - dimensional tomographic imaging results of 2 ? 2 ? grid s wave velocity and 15 ' 15 ' grid average gravity anomaly in north china, this paper adopted inversion with constrained least squares method and, as a result, obtained density distribution results of six bedding surfaces in lithosphere of north china

    摘要利用華北地區的2 ? 2 ?網格s波速度三維層析成像結果和15 ? 15 ?的網格平均布格重力異常，採用約束最小二乘方法反演，得到了華北地區巖石圈內6個層面上的密度分佈結果。
  7. Backed up by the soplat theory based on particle kinematics, the second chapter of this paper presents with analysis and simulation of several single observer passive measurement models, which uses such relative movement parameters as bearings changing rates and centrifugal acceleration information on the basis of bearings measurements. in the third chapter, the observability of location respectively using bearings and its changing rates information and centrifugal acceleration information is analyzed, and its observable condition is got. the fourth chapter puts forward the modified covariance extended kalman filtering ( mvekf ) against the defect of traditional extended kalman filtering ( ekf ), whose performance is simultaneously compared in the chapter with the performance of ususal tracking algorithm such as ekf, mgekf, iekf by computer simulation

    在近年來提出的基於質點運動學原理的單站無源定位理論基礎上，本文第二章提出了幾種在角度測量的基礎上增加角度變化率及相對運動的離心加速度等運動學參數的單站無源測量模型，並對它們進行了分析和模擬；第三章分別對利用角度及其變化率信息定位和利用離心加速度信息定位的可觀測性進行分析並得到了相應的可觀測條件；第四章針對傳統擴展卡爾曼（ ekf ）方法的缺點，提出了一種修正協方差的擴展卡爾曼濾波（ mvefk ）方法，並將其和ekf 、 mgekf 、 iekf等常用的單站無源定位濾波方法進行了性能模擬比較；第五章通過引入雷達機動目標跟蹤方法和模型，提出了利用角度及其變化率對機動輻射源跟蹤的多級噪聲自適應方法和imm方法；第六章主要對角度變化率和離心加速度參數的獲取技術進行了研究，提出了幾種高精度測量脈沖序列多普勒頻率變化率的方法。
  8. At first we improve the methods of iris image preprocessing, including an efficient arithmetic of evaluation iris images, an improving method of locating iris, calibrating iris image by the translation of coordinate and the circular shift of code, a eatimate of the background illumination by bicubic spline, and the image enhancement by the dual tree complex wavelet transform. next we designed the recognition arithmetic based on the location of the local maxima of the wavelet transform modulus. in the thesis lots of simulation are performed by means of matlab and visual c + +

    首先改進了虹膜預處理方法，實現了一種快速高效的虹膜質量評價演算法;設計了一種改進的兩步虹膜定位演算法，準確的定位了虹膜的內外邊界;利用坐標轉換和編碼的循環移位實現了對虹膜圖像的配準;利用雙三次樣條函數擬合虹膜圖像背景，去除了非均勻光照對虹膜識別的影響;使用二分樹復數小波方法增強了虹膜圖像的對比度;在識別演算法方面，本文設計了一種「基於小波模極值點位置的虹膜識別演算法」 。
  9. This paper puts forward a method of fast, handy, no - destructive and effective testing which can be used to test the strength and geometrical dimension of subgrade abamurus using the method of earthquake wave velocity and gpr ( ground penetrating radar ). this method can be used to definite the dimension and strength of abamurus by determining some physical parameters ( such as elastic wave velocity and electromagnetic wave velocity etc, ) and by the correlation of these physical parameters with mortar flag stones

    本論文提出使用地震波速法和地質雷達法檢測路基擋墻的強度和幾何尺寸，是一種快速、簡便、無損、有效的檢測方法。此方法通過測定某些適當的物理量（如：彈性波速度、電磁波速度等） ，並通過這些物理量與漿砌片石的相關性，確定墻體的尺寸、強度等性能。
  10. The main contents of testing the strength of subgrade abamurus using earthquake wave velocity are as follows : the influence of the lithology and strength of flag stones and the shape of block upon wave velocity, the influence of the strength of cement mortar upon earthquake wave velocity, the estimation standards of the strength and completion of abamurus. this paper puts forward an accurate no - destructive testing using the different reflect of elastic wave velocity for abamurus stones, the strength of mortar, the plumpness of mortar and the type of abamurus, on the basis of laboratory tests and field tests. it can be used to accurately distinguish the completion of abamurus

    地震波速法檢測路基擋墻強度，研究的主要內容有：片石巖性和強度及塊體形體對波速的影響；水泥砂漿強度對墻體波速的影響；擋墻整體強度和完整性的評估標準。應用彈性波速度對擋土墻石材、砂漿強度、砂漿飽滿度及擋墻類型的不同反映，在室內外模型試驗和現場生產試驗的基礎上，提出了一種正確的無損檢測法，可以正確判別漿砂片石擋墻墻身的完整性。
  11. According to the frndamental and the steps of this method, we cans use the linear regress filter method to make the simulation of the wind load and then we can educe the curve of the time - process wind velocity. after that step, we can get the chart of the dynamic wind load which we can deliver the crosswind into the particle wind load and put them on the corresponding cell nodes. then we can do the analysis of the dynamical wind load through the time - process analysis to get the max value of the displacement

    根據線性回歸濾波器法的基本原理和步驟，藉助相關軟體進行風荷載的人工模擬並得出風速時程曲線，進而轉化為風動力譜，由此將橫風向風力表達成節點風荷載作用於相應的單元節點上，按時程分析法對該空間桁架體系進行風荷載的動力分析，求出結構在進行風動力荷載分析時，結構相應節點對應的最值位移值。
  12. ( 5 ) based on an empirical formula, in terms of soil shear velocity, to evaluate soil liquefaction, which is simple to handle and prospective in further application, the author presents, in the probabilistic and fuzzy way, the formulae for the evaluation of liquefaction probability and fuzzy probability at given depths and for a fuzzy evaluation of liquefaction hazard of the total soil layers

    討論了當剪切波速具有隨機性時液化的發生概率，進而給出了確定場地液化和危害程度的發生概率，在此基礎上，結合液化和液化危害程度（等級）的模糊性，利用模糊事件的概率分析方法，提出了可同時考慮隨機性和模糊性場地液化和液化危害性的發生概率的計算方法。
  13. The fact that wave velocity in quasi - saturated soil is equal to that of fully saturated soil could not be calculated by effective fluid compressibility or explained by unwell - distributed saturation. we account for this in a new reasonable way which was based on kuster scattering effect analysis

    （ 8 ）根據kuster散射波理論，計算了飽和度大於85的準飽和土體的彈性波速，其結果與試驗非常吻合；但是，通常所用的等效孔隙流體壓縮系數的方法所計算的結果與實驗結果差別很大，對此，筆者給予了一定的解釋。
  14. Localization underground target algorithm base on the best automatic curve fitter can survey velocity of electromagnetic wave in underground medium, and locate underground target. it ’ s virtue is small number of operation times. it ’ s shortcoming is subject to clutter

    基於自動最佳擬合曲線的波速測定和目標定位方法可以比較準確地計算出波速，計算出目標位置，優點是運算量小，缺點是容易受到雜波干擾的影響。
  15. Refer to the impacting - echo technology, we impacted the apex of the steel bar and incepted the reflecting stress ave through the resonator that fixed on the apex of the steel bar, and the value of the consolidating wave speed was calculated based on the time of stress wave transmitted and the length of the steel bar, so, identifying the reflecting signal is the key of the consolidating wave speed method

    借鑒于沖擊回波技術，固結波速的測定方法是在鋼筋測桿的出露端施加瞬態沖擊載荷，由安設在測桿頂端的傳感器接收反射應力波信號，根據應力波的走時和測桿的長度折算固結波速的大小，因此反射信號的識別是固結波速法檢測混凝土強度的技術關鍵。
  16. Abstract : this paper uses the supersonics wave inspecting method for judging the damage degree of fire hazard tunnel lining, and puts forward the correlation of concrete supersonics wave speed with relative physics and mechanical properties through test, and gives evaluation and suggestion about conventional supersonics wave inspecting method used in fire hazard tunnel

    文摘:將超聲波檢測法應用於隧道火災后的初砌損傷評定，通過試驗研究給出了砼超聲波速與砼有關物理力學性能的關系，並對超聲波檢測常規方法在隧道襯砌火損后的應用給出了評價。
  17. 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。
  18. Analysis is done on the change rules of liquid " s temperature along with the pipeline " s distance. the paper points out the defects of the const pressure wave velocity method and do some improvements on it : rebuilding the expressions of the pressure wave velocity in accordance with the simpson ' s rule

    分析了管道內的流體溫度隨傳輸距離而變化的規律，並指出了此規律對管道負內壓力波傳播速度的影響。指出了常負壓力波波速定位方法的局限性，並採用改進的負壓力波定位技術，將管道內的負壓力波速公式採用復化辛普森公式進行了改造。
  19. Aiming at this problem, the paper put forward a dynamic concrete strength testing technology - consolidating wave speed method, and it can be used to testing fresh concrete strength real - timely

    針對這一問題，本文提出了一種實時監測混凝土早期強度的動態、無損檢測方法- -固結波速法。
  20. The consolidating wave speed of ten concrete specimens within four kinds of composition was inspected in 28 days, and we got the analogical law that the value of consolidating wave speed changes with the increasing concrete strength : the consolidating wave speed decreases when the concrete strength increases, and they varies according with exponential function. so, the feasibility of the consolidating wave speed method was validated, and this method has the advantages that it can be used to testing fresh concrete strength real - timely

    在實驗室監測四種配比共十組混凝土（砂漿）試件28天齡期內的固結波速，初步得出了固結波速隨混凝土強度增長而變化的規律：固結波速隨混凝土強度增長而降低，二者呈冪函數規律變化，而且各組試件的固結波速隨混凝土（砂漿）強度的增長有非常相似的變化規律，由此可知固結波速法檢測混凝土強度是可行性的，其優點是可以實時監測混凝土強度的增長。
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