速度地震計 的英文怎麼說

中文拼音 [dezhèn]
速度地震計 英文
velocity seismometer
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • : Ⅰ動詞1 (震動) quake; shake; shock; vibrate 2 (情緒過分激動) be greatly excited; be deeply ast...
  • : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
  • 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. (快慢的程度) speed; rate; pace; tempo
  1. The method proposed in this thesis do well in solving the problems of multi - damping - ratio - spectra simulation. it is convenient to obtain the pareto optimal solution set of the multi - object question by using implicit parallel genetic algorithms and the method can meet the practical needs for simulating ground motions coinciding with multi - damping - ratio - spectra in seismic design. the crossing rate and variance rate are important parameters of genetic algorithms which affect the rate of convergence, the adapting rate of cross and variation in this paper can auto - adapt and according to stand or fall of current sample, it assures the sample approach to the pareto optimal solution set in fast convergent speed

    較好解決多阻尼比反應譜擬合問題;本文方法通過一次運行就能獲得一組具有集系特性的動,在擬合多阻尼比反應譜的人造波集系的模擬方面有傳統方法所不能比擬的優勢,產生的人造波或人造波集系可滿足工程抗需要;在遺傳演算法中,交叉概率和變異概率是影響收斂的重要參數,本文採用的改進自適應交叉概率和變異概率,可以根據當前樣本的好壞程來自動選擇適當的交叉概率和變異概率,以保證演算法始終以較好的向pareto最優解集逼近。
  2. The article is directed by the modern structural geology, seismic stratigraphy and petroleum geology. in the study of works, geology, seismic and logging data are used. with the computer ' s ( workstation ) help, adopted many methods which are the technology of balanced section, calculation of the structural movement rate, the renewal of the erosion thickness, renewal of the ancient thickness, the protraction of the cover history curve and the " pagoda " figure, and based on the previous research achievement, this article studies the characteristic of rupture and fold, the degree of structural movement and the fashion of structural movement and brings forward that ludong area has experienced three big phases of structural evolvement

    以現代構造質學、層學和石油質學為指導,全面利用各種質、物探、測井資料,藉助先進的算機(工作站) ,採用多種方法(平衡剖面技術、構造活動算、剝蝕厚恢復、古厚恢復、埋藏史曲線製作、寶塔圖製作等) ,並結合前人的研究成果,研究了陸東區斷裂和褶皺的特徵、構造運動的期次以及構造運動的方式,提出了陸東區經歷了三個大的構造演化階段。
  3. Some conclusions are drawn : 1 ) effect of inertial force from superstructures on the lateral seismic response of single pile can not be ignored ; 2 ) the lateral seismic response of single pile induced by far - field earthquake are mainly affected by acceleration mass of superstructure > site eigenperiod. it increases with the increment of accele ration and mass of superstructure. as the site characteristic frequency approaches the self - oscillation frequency of the pile, sympathetic vibration occurs and the value of lateral seismic response reaches maximum ; 3 ) as the stiffness ratio of pile to soil increase, the relative displacement of pile to soil increases ; 4 ) the lateral seismic response of fixed - head pile is much smaller than that of free - head pile

    將其解析解與具體的的抗設防烈和場特徵周期結合起來,算分析了成層基中單樁的橫向響應,得到了以下結論: 1 )上部結構慣性力對樁的橫向響應的影響不可忽略; 2 )成層基中的單樁的橫向響應主要受基本加、場特徵周期、上部結構質量的影響,隨基本加、上部結構質量的增大而增大;場特徵頻率越接近樁基自振頻率,樁基響應越大,等於自振頻率時,由於發生共振現象,樁基響應幅值最大; 3 )樁土剛比越大,樁土之間的相對位移的幅值越大; 4 )樁頂固接的連接方式,可以有效降低時單樁的橫向響應。
  4. Compared the results of fea and the data of experiment, we can analyse that the distributing of the seismic stress of polymer - geogrid reinforced material is similar to that of the static stress, but the stress values of them is different ; the seismic similar friction coefficient between the earth and reinforced material fall with the increasing of earthquake acceleration, model acceleration respond along the height of the model, etc. thirdly, according to the comparison and analysis of the model seismic fea results and model experiment data, we can find the polymer - geogrid reinforced earth seismic fea is reasonable, which is composed by earth element, contact element and reinforced material element

    通過對比有限元算結果和試驗數據,分析得出塑料土工格柵筋材的最大動拉應力的分佈與靜拉應力的分佈沿筋材的埋深大致相同,只是應力的值大小不同;作用下土筋間的動似摩擦系數是隨的增加而減小;模型沿墻高方向的加響應等。接著,根據模型動力有限元時程分析結果和模型試驗數據的比較分析,得出由土體單元、接觸單元和筋材單元組合的塑料土工格柵加筋土非線性動力有限元分析模式的合理性。
  5. Based on the foundation " liquefaction test study on the rapid railroad bed " supported by the railway department, some works on the liquefaction of silty soils have been carried out. in this dissertation, after making a short review of the works on seismically induced soil liquefaction, some research results are presented, which include the following contents. ( 1 ) depending on the dynamic triaxial test, the liquefaction strength of the silty soils is studied and two new models are proposed to evaluate the pore water pressure and the strain of the saturated silty soils during earthquake

    結合鐵道部發展基金項目: 「高鐵道液化土基試驗測試研究」 ,本論文概括總結了液化的研究現狀,就滬蓉高鐵路徐州段可液化場粉土基的液化特性問題開展了一些研究工作,內容如下: ( 1 )提出了基於實用目的的粉土的孔隙水壓力增長模式和永久應變勢算模型,並把此兩模型應用於場反應分析和液化性能的評價中;依靠循環振動三軸試驗技術,對粉土基的液化強進行了試驗研究;驗證了密實是粉土液化的重要影響因素。
  6. The cross - well seismic forward modeling program can be applied to geological model that has different velocities and dips to calculate cross - well seismic synthetics for given sources and receivers by ray tracing the least traveltime or four order differential wave equation

    研製的井間正演合成記錄的程序,可用來對不同、不同傾角的質模型,通過最小旅行時的射線追蹤或四階差分聲波波動方程,算出對于給定源和給定檢波點的井間合成記錄。
  7. According to the need of design code for anti - seismic of engineering constructure, the bedrock peak acceleration rate and response spectrum of exceeding probability of 63 %, 10 % and 2 % are given respectively and seismic motion parameters are also calculated, which will provide the evidences for anti - seismic design of this electric power equipment station

    按工程建築物抗規范要求,分別給出了50年63 % 、 10 %和2 %超越概率水平的基巖峰值加及反應譜,算出動參數,為該電力設備站建設提供了抗依據。
  8. Abstract : based on the results obtained from seismic safety evaluation of 128 engineerng sites in china, statistics and analysis of relevant intensities with differient probability levels and peak acceleration are made to provide parameters of probability levels of earthquake resistance in the seismic design code

    文摘:以全國范圍內128項工程場安全性評價結果為基礎,對不同概率水平相應的和加峰值進行統分析,為合理確定抗規范中設防的概率水平提供了依據。
  9. First of all, it determines the scope in which earthquake might be genetated, the potential seismic sources areas and the upper limit of the earthquake magnitude through the analysis, research and evaluation of the area seismic geological condition of the workzone. secondly, according tothe research of the seismic activity, it also determines the seismic activity coefficients for per potential seismic sources areas, and the delay relation of seismic intensity and seismic accelaration, and then three different seismic intenstities and dynamic strength of bedroch under different probability are given. through the analysis and caculation of earthquake hazard with the analytic approach of probability

    首先,對工作區的區域質環境進行了分析、研究、評價,確定了萊蕪市可能發生的范圍、潛在源及其級上限等。其次,根據對活動性的認識,確定了各潛在源區的活動性參數及萊蕪市衰減關系,在此基礎上用概率分析法對萊蕪市危險性進行了分析算,得到了萊蕪市在三種不同概率水平下的和基巖動強
  10. The dissertation focuses on seismic wavefield forward modeling and migration for the fractured reservoir. the paper integrates and researches the wavefield extrapolation operator for lateral variation of velocity, analysis of the wavefield characteristic, forward modeling and depth migration of prestack and poststack seismic wavefield, creation of wavelet, design of the model with fracture and cavity, and computation of reflectivity

    本文圍繞縫洞儲層波場正演與偏移問題,對橫向變波場延拓運算元;疊前與疊后正演模擬;疊前與疊后深偏移;子波的生成;縫洞模型的設、反射系數的求取、正演、偏移及其波場特徵分析進行了一體化研究。
  11. T he t esting d ata show that under the designed vibration waves, the lead alloy dampers are well functioning, not only reducing the strain at the ankle of bushing, but limiting significantly the relative displacement and absolute acceleration at the top of bushing

    試驗結果表明:在試驗設確定的動輸入下,鉛合金減器的減效果良好,不僅降低了斷路器破壞指標? ?瓷柱根部應變,而且沒有顯著增加斷路器頂部的位移和加反應。
  12. Based on comparison of several technical schemes, the method of sand bedding pre - elevating and step water - filling pre - compressing is adopted. so the dissertation is consist of two parts : ( 1 ) the applicability study for the method of sand bedding pre - elevating and step water - filling pre - compressing, including numerical analyses for the thickness of sand bedding, the consolidation, settlement and stability of foundation, drainage, possibility of foundation liquefaction under seismic loading, et al. ( 2 ) monitoring at construction stage and checking the effect of foundation treatment, including the measurements of the settlement velocity and non - uniform settlement of ring beam under the tank, pore pressures and horizontal displacements in foundation, the pressure distribution at the bottom of oil tank and the strength increase of soils

    通過多種技術方案比較,最終選擇了技術先進的砂墊層預抬高分級充水預壓法,論文工作主要由以下兩部分組成: ( 1 )砂墊層預抬高分級充水預壓法的適用性研究,其中包括砂墊層厚基沉降與固結基穩定性、降水、作用下砂土液化的可能性等方面的算分析; ( 2 )施工監測與基處理效果檢驗,其中包括油罐環梁基礎沉降率與不均勻沉降程、各分級充水加載階段基超靜孔壓與深層水平位移、油罐底板壓力分佈及基土強增長等方面的實測與數據分析。
  13. To restrict the displacement at stiffening girder ends under action of earthquake and to ensure that the girders will not cause too fast movement speed towards the expansion joints lest the joints should be damaged, the constraint devices are intended to provide for the girder ends of xihoumen bridge, the zhoushan mainland and islands link project

    摘要為限制作用下加勁梁的梁端位移以及使梁體不對伸縮縫作用過大的以免損害伸縮縫,劃對舟山大陸連島工程西堠門大橋設置梁端約束裝置。
  14. 754 horizontal - component digital broad - band records in western north america are processed. the acceleration response spectra are calculated and used as part of the database. the response spectrum values are estimated by the earthquake magnitude definition and are used as another part of the database

    將美國西部區作為參考區,對美國南加州區的數字寬頻帶記錄進行了搜集與處理後作為觀測資料,共754條水平向記錄,與利用級定義所估的反應譜值一起,用統回歸的方法建立美國西部長周期加反應譜衰減關系。
  15. In addition, effects of several factors such as local site conditions, focal mechanism, epicentral distance and seismic magnitude on these parameters are discussed, and several significative results and conclusions are obtained. in all records there are about 1 / 3 vertical ground motion ’ s peak acceleration bigger than 2 / 3 of the corresponding horizontal one, so the action of vertical ground motion should not to be underestimated. vertical design response spectrum equals that the horizontal design response spectra times 65 % is probably unsafe when period is short, and suggest adopting different coefficients when at different periods

    本文基於對大量歐洲強記錄的研究,分析了動豎向與水平向分量在峰值加、反應譜值、頻譜周期等參數方面的差異,以及這些參數與場源機制、級和中距的關系,得到了以下有意義的結果和結論:在本文分析的記錄中大約1 / 3的記錄加峰值比大於2 / 3 ,豎向動分量的作用不可低估;在短周期,豎向動影響系數的最大值僅取為水平向動影響系數最大值的65 %是偏於不安全的,可以考慮按周期分段採用不同的折減系數;我國現行抗規范中設反應譜特徵周期的取值偏低,可能是偏於不安全的;豎向與水平向動分量卓越周期的比值在0 . 7 - 0 . 9之間,豎向設反應譜的特徵周期應有單獨規定。
  16. So the result is more accurate than old methods. the result of structural energy response based on wavelet provides a practicable method for structure design and design energy dissipation system in structure, this chapter ' s analysis and contrast tell us littlewood - paley wavelet is not suitable for analyzing energy of earthquake ground motion and structural energy response. on the purpose of calculating energy, meyer wavelet must be modified so that its frequency integral is a constant, the result of energy by modified meyer wavelet and harmonic wavelet is practicable, only the later is bigger but in the same energy level

    通過三種小波基( littlewood ? paley小波、 meyer小波、諧波小波)下的面運動能量分析以及結構能量反應分析說明:直接通過加記錄可以求得動能量,由於小波系數中同時含有時域和頻域的能量,由此得出的能量比以往的方法更準確;在此基礎上求得了結構的能量反應時程,為結構設及結構中設耗能體系提供了具體的方法;通過這一章對比分析得出, littlewood ? paley小波不適合於作動能量分析和結構能量反應分析。
  17. Based on the unified recursive formula, the four algorithms included in this study are the central difference method, the newrnark ' s method, z - transform method, and duhamel ' s step integral method. the accuracy, the phase and other existent problem are studied in this paper. it is proved in this paper that the recursive parameters b1and b2are relate to the poles of theoretical transfer function

    分析中可以發現,中心差分方法, newmark中點加方法、 z變換方法及duhamel逐步積分法在精范圍內其算相位是沒有畸變的,中國局工程力學研究所頃土學位論文一但是中心差分方法, newmark中點加方法隨著采樣間隔及系統自振頻率的增大,系統的固有自振周期被改變,其傳遞函數的共振區域與理論傳遞函數的共振區域會發生分離。
  18. The numerical results, such as the pga, pgv, peak ground displacement, and the three - component time - histories developed for beijing area, have a potential application in earthquake engineering field and building code design, especially for the evaluation of critical constructions, government decision making and the seismic hazard assessment by financial / insurance companies

    利用數值模擬方法所得的較為真實的強面運動參數,即加、位移和時程特徵,可為北京區工程建設的抗、救援設施的選址、以及金融及保險部門的風險性評估提供一定的依據。
  19. Finally, the paper has designed the program of bp neural networks, neural networks based genetic algorithms and hybrid intelligence learning algorithms in vc + +, and applied those algorithms to the xor problem, the function approximating problem and the explaining high difference seismic data problem. the experiment results have showed that hybrid intelligence learning algorithm for training neural networks is better, faster and more accurate than bp algorithm and genetic algorithm

    最後,用vc + +語言設了bp神經網路、基於遺傳演算法的神經網路和混合智能學習法神經網路實現和進行算機模擬運行程序,並分別將它們應用於解決異或、函數擬合和高解析資料解釋等問題,從實踐中證明混合智能學習法神經網路與bp神經網路和基於遺傳演算法的神經網路相比有更好的運算性能、更快的收斂和更高的精
  20. Design and experiment of acousto - optic waveguide phase modulator in electro - optic integrated acceleration seismic geophone

    光電集成加檢波器中聲光波導相位調制器的設與實驗
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