振動曲線 的英文怎麼說

中文拼音 [zhèndòngxiàn]
振動曲線 英文
oscillating curve
  • : 動詞1. (搖動; 揮動) shake; flap; wield 2. (奮起) brace up; rise with force and spirit
  • : 曲名詞1 (一種韻文形式) qu a type of verse for singing which emerged in the southern song and ji...
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • 振動 : vibrate; vibration; vibrance; vibrancy; vibra; vibes; shaking; rumble; jitter; chatter; sway; jar...
  • 曲線 : [數學] curve; bight; bought; profile; net曲線板 french curve; irregular curve; curve board; splin...
  1. Based on extensive investigation of construction technique history of chinese ancient buildings, the structure method, structure developing history and seismic behavior of chinese ancient timber structure buildings are analyzed in several respects of the structural system and form. through a series of experiments on constituent parts of chinese ancient timber building structure, including the tests on the corbels and brackets called dougong subjected to low cyclic reversed loadings, the tests on the wooden frame using the tenon - mortise joints as connections of column and beam subjected to low cyclic reversed loadings, the tests on vibration isolation effect of friction and slippage between column footing and their socle base, and a series of shaking table tests on a chinese ancient timber structure palace building mode under artificial earthquake at serving conditions, destroyed conditions and reinforced conditions, many valuable results of structures such as moment - curvature hysteretic loops of dougong structure and tenon - mortise joints under low cyckc reversed loadings, the static function, the seismic performance, energy dissipation, vibration reduction, energy - loss mechanism, nechanicalmode and failure mode were studied. aplenty of valuable parameters of the structure system were obtained, such as the natural period of structure, vibration modes, damping ratio, factor of vibration isolation, oscillate amplitude of ineitial accebration, velocity and displacement, magnitude of slippage, and the mechanism of structure failure and collapse etc. based on these research, the complete analysis of ancient timber structure under earthquake were carried out in which including mechanism analysis method, calculating mode, strength analysis of members and joints, strengthening methods for serving damaged ancient timber structure buildings were also taken into account

    依照宋代《營造法式》建造了抬梁式殿堂木結構構件及結構模型,對中國古代木結構中的典型構造如:柱腳在礎石頂面平擱簡支、柱架榫卯連接、柱高不越間之廣、側腳、生起、斗拱等的構造機理及結構功能進行了量化分析和實驗研究: (一)通過木柱石礎靜摩擦試驗,測定了柱腳與石礎古鏡面間的摩擦系數及摩擦力隨上部結構荷載變化的規律; (二)通過單柱承載力試驗,測定了古建築中木柱的受力變形特徵、破壞模式、及模型材料的變形模量、極限承載力、極限變形等參量; (三)通過柱架低周反復荷載試驗,測定了柱架的抗側移剛度、柱架恢復力特性及滯回、榫卯張角剛度及其變化規律、柱架及榫卯的極限承載力和極限變形、及榫卯減參數; (四)通過斗?低周反復荷載試驗和受壓試驗,測定了古建築木構件與木構件間摩擦系數,斗?抗側移剛度,斗?恢復力特性及滯回,斗?抗壓極限承載力及受力變形規律; (五)通過抬梁式殿堂間架模型臺試驗,測定了殿堂木構架結構自周期,地震反應形、阻尼特性及阻尼比;按結構分層特點對柱腳、柱頭和斗?層上的屋蓋的地震反應採用多點同步測量,對柱根滑移、榫卯變形、斗?的變形、復位、耗能減參數等進行了定量分析。
  2. This paper researches and analyses the developments of web technology and magnetostrictive transducers from world wide region. the paper also analyes the characteristics curve of magnetostrictive transducers based on its equivalent circuit and researches the method how to make sure its syntony frequency and its electric simulation network parameters. at the same time, by using jsp technology, a magnetostrictive transducer electric simulation application is designed based on b / s three - tier system structure. the experiment data is fitted by curve fitting module. the equivalent input impedance of it with stimulate loop is separated based on the results of curve fitting and the syntony frequency and electric simulation network parameters of magnetostrictive transducers is determined by the input impedance. the method presented in this paper can determine the syntony frequency and electric simulation network parameters of magnetostrictive transducers with a better accuracy than the testing method of syntony & anti - synton y. further more, jsp, the advanced technology at current, has been used to realize a magnetostrictive transducer web electric simulation system. the system has good human computer interface and the function of resource sharing and information publishing. the research of this paper and its achievements have some practical merits in the researchful and applied fields of magnetostrictive transducer

    用java編程語言編寫的擬合模塊,對輸入的實驗數據進行了最小二乘法的擬合;根據擬合結果可從帶激勵圈的磁致伸縮換能器的輸入阻抗中分離出磁致伸縮換能器鐵芯在無激勵電流時由機械形成的等效輸入阻抗,並由此輸入阻抗確定磁致伸縮換能器的諧頻率及電氣模擬網路參數。本課題提出的方法與傳統的諧?反諧法相比,能更準確地確定磁致伸縮換能器的諧頻率及其電氣網路參數。同時,採用當前比較先進的web技術,實現了基於jsp的磁致伸縮換能器web電氣模擬系統,該系統具有良好的人機界面和資源共享、信息發布功能。
  3. In the end, the main content of this dissertation is addressed. in chapter 2, based on the analysis of present vibrator ' s principle and structure, two kinds of transfer functions and frequency response curves of the vibrator, driven by voltage feedback power amplifier and current feedback amplifier, are given separately. and turnover frequencies between different frequency rangs are also given

    第二章分析了標準臺的工作原理和結構,在此基礎上,建立了標準臺的機械和電氣方程,給出了恆壓源和恆流源功放激勵下的臺傳遞函數及幅頻、相頻特性,列出了不同頻段間的轉折頻率。
  4. In the former, two computing modes of fem are built, aimed at the coupling of variable - profile pylon, curved - axis arch and flexible cable. the software algor feas is used to get the results of dynamic numerical analysis, such as natural vibration frequency, vibration mode, dynamic displacement, dynamic stress, which are compared with the results of shaking table test research to draw to important conclusions. these conclusions provide not only potent basis for the design and construction of nanjing century tower, but also reference for other pylon - cable - arch structures similar to the project

    態數值分析中,針對世紀塔變截面的塔身,的拱以及柔性拉索相互耦合時清況,建立兩種有限元計算模式,利用有限元軟體algorfeas得到力數值分析的結果,如:自頻率、型、位移、應力等等,再和臺試驗研究成果作比較,得到一些重要的結論,從而為南京世紀塔工程的設計和施工提供強有力的依據,而且為類以於世紀塔工程的其它塔-索-拱結構的設計也提供一定的參考。
  5. Modal bode plot theory for diagnosing the rotor imbalance axial position and rotor imbalance type is presented based on advanced rotor dynamics theory and field balancing rotating machinery theory and comprehensive experience of field balancing steam - turbine generator set

    摘要基於轉子力學理論、汽輪發電機組軸系現場平衡理論和工程實踐經驗,提出可直接判斷軸系不平衡軸向位置及不平衡型式的型波特方法。
  6. Combined with the graph correlating the first resonance frequency with driving point location, the method localizes the crack by monitoring a jump in the graph

    結合裂紋梁第一階諧頻率與驅點位置關系,利用上出現的突變點,準確地識別了梁的損傷狀態和裂紋損傷位置。
  7. This paper makes a science analysis to power system " s harmonics and harmonic oscillation in partial power net, develop the analysis software of harmonic oscillation characteristic. make use of this software can obtain the harmonic oscillation characteristic curve in a row frequency range, can discover accurately oscillation, can make an in - depth analysis and statistics and renew the realistic curve of voltage or current on the basis of the measured - data

    本文通過對電力系統諧波及局域電網諧波諧現象的理論分析,設計、開發了局域電網諧波諧特性分析軟體,利用該軟體可以獲取連續頻域內的諧波諧特性,發現準諧區域,而且還能根據實際測試數據,正確統計分析出所要求的參數,同時能夠恢復電網實際的電壓、電流波形,並能根據國家標準自生成分析報告。
  8. Considering the similitude law for shaking table test, we study the test results and obtain some conclusions which are a ) generally, the silty soil in test box liquefies and the liquefied time has relation with the amplitude of acceleration, b ) when the intensity is on and above eight degree, the silty soil deposit will be liquefied dramatically, c ) the relationship of the pore water pressure is relevant to the cycle loading which represents when the cycle loading ranges from little to great, the relationship is represent as a concave curve, or else as a protruding curve and tends to stability. ( 3 ) based on the triaxial compression test and the resonant column test, some studies are made such as a ) the duncan - chang parameters of constitutive model, b ) the dynamic shear modulus ratio and c ) the damping ratio of the site soil deposits. in order to deal with the test data, a computer program is compiled

    ( 2 )利用小型臺進行了k _ 0固結狀態下粉土的液化模擬研究,通過分析正弦荷載作用下的試驗資料,驗證了粉土的孔隙水壓力增長模式的合理性;從微分方程推導了基於土體臺模型試驗的相似律,並從模型實體、孔壓時程和相似律等方面做出了分析,得出了如下結論:在小型臺試驗中,模型箱中的粉土都發生了液化,液化的時刻和輸入加速度幅值有關,而對頻率的變化不太敏感;粉土在相當於8 9度地震烈度的加速度幅值作用下可能產生嚴重的液化;孔壓的增長形狀與施加的荷載有關:當施加荷載為由小到大的形式時,形狀為上凹的;當施加荷載為等幅的正弦荷載或荷載幅值由大到小時,形狀為上凸的,且逐漸趨于穩定。
  9. Under windows nt and labview development environment, using the linear fit module, exponential fit module > general polynomial fit module of labview to design a method for fitting the experiment data, the results of curve fitting indicate that the purpose of general polynomial fitting is better than the rest. separating the equivalent input impedance of magnetostrictive transducers without stimulate current from input impedance of it with stimulate loop based on the results of curve fitting, and determining the syntony frequency and electric simulation network parameters of magnetostrictive transducers by this input impedance. finally, with labview network functions, realizing magnetostrictive transducer electric simulation system based on web server and discussing a scheme for this system network by datasocket. the method of this paper can more accurately determine the syntony frequency and electric simulation network parameters of magnetostrictive transducers than the testing method of syntony & anti - syntony. at the same time, discussing virtual instrument measurement system and how to realize magnetostrictive transducer electric simulation network system by labview network functions of network virtual instrument measurement development environment

    在windowsnt系統環境和labview虛擬儀器技術開發平臺下,首次利用labview中的直擬合模塊、指數擬合模塊以及多項式擬合模塊,設計了一種對實驗所得數據進行擬合的方法,對三種擬合方法進行了比較,擬合結果表明,多項式擬合方法相對于其它兩種擬合方法效果更好;根據擬合的結果可從帶激勵圈的磁致伸縮換能器的輸入阻抗中分離出磁致伸縮換能器鐵芯在無激勵電流時機械形成的等效輸入阻抗,並由此輸入阻抗確定了磁致伸縮換能器的諧頻率及其電氣模擬網路參數;最後通過labview提供的網路功能,實現了基於web服務器的磁致伸縮換能器電氣模擬虛擬儀器測試系統,並探討了通過datasocket技術實現該系統網路化的方案。
  10. Fourthly, with the finite element program, the author analyzes the relationship between the load magnitude or frequency and range of breakage or pore pressure. this can provide appropriate parameters for the method of vibrating grouting. fifthly, adopting the compressible porous medium, the author adduced dynamic theory of liquid saturated porous medium to analyze the displacement and force in the sand when there is dynamic load below the earth surface

    基於連續介質力學的混合物理論建立的多孔介質理論和力控制方程,假設砂土滿足各向同性並處于彈性小應變狀態,豎向力將在飽和砂土內部產生三種波,分析了這些波的彌散和特徵衰減,從波傳播的角度,研究了力參數和土性參數對范圍的影響。
  11. Using vogel ' s wear index as the rail side wear index, the paper analyzes the side wear variations of rail head when the parameters in the wheel / rail system vary, analyzes the influences of track irregularity on rail uneven wear on gauge corner emphatically. this paper analyzes the rail side wear dates measured by track division of shan hai guan since 1990, then gains the relationship between side wear and traffic volume and sums up the characteristics and regularities in the formation and development of side wear. in the end, some measures for regarding the side wear on curves are put forward

    從輪軌摩擦、輪軌接觸幾何關系、輪軌接觸應力和輪軌蠕滑等方面對鋼軌側面磨耗機理進行了探討,從軌道幾何參數、機車車輛運營條件等方面對鋼軌側面磨耗的影響因素進行了重點分析和總結;應用輪軌系統力學,建立了輪軌空間耦合時變模型,採用vogel側磨指數作為鋼軌側磨指標,系統分析了輪軌參數變化的情況下,軌頭側面磨耗的變化規律,重點分析了軌道不平順對鋼軌不均勻側磨的影響;對山海關工務段1990年以後現場測得的鋼軌側磨數據進行了分析,通過擬合得到了鋼軌側磨量與運量的關系,並總結了上股鋼軌側面磨耗的特徵和發生、發展規律;最後提出了一些減緩鋼軌側面磨耗的措施。
  12. With metal fatigue in material mechanics, this paper deduces the limestone fatigue curve of longmen grottoes by means of marble s one within the error permission. by the experiment elects the crucial factors of current vibration environment in longmen grottoes, the author contrasts the result of the experiment with its fatigue curve referred above and analyses the fatigue effect of longmen grottoes. finally, it is pointed out that after longmen grottoes have being suffered weathering and water - erosion more than 1500 years, the vibration environment is becoming an crucial factor leads to fatigue effect, especially in those weak surface carvings just like the crossings of several rifts, serious weathering places, etc

    借鑒材料力學中金屬疲勞破壞的研究手段,在誤差允許范圍內用大理巖疲勞推導出門石窟石灰巖疲勞。通過對石窟實際環境中典型要素的抽取和試驗,將試驗結果與疲勞進行對比,分析了門石窟的疲勞破壞效應。文章指出,在經歷了1500多年的風化和流水溶蝕后,環境已成為導致門石窟某些薄弱點如多條裂隙交叉點嚴重風化酥解的壁面雕刻品等產生疲勞破壞的重要誘發因素。
  13. The components of the tangential stretch mode of swtns are assigned, the variational curve of the value of ig / id changed with laser power is obtained at 632. 8nm excitation, the vibration of d mode is assigned renewedly

    對單壁碳納米管的正切拉伸模的成分進行了歸屬,在632 . 8nm激發波長下得到了ig / io值的隨激光功率變化。重新對d模的進行了歸屬。
  14. A obstacle diagnosing expert system of pu1 steamer fan electrical machine have been set up by using the expert system tool in the movex software and mechanical vibration frequency spectrum knowledge. for the purpose of more straight dealing with vibration frequency spectrum curve, a diagnostic knowledge disposing system is developed by using curve compare method and vc + + and matlab software

    在機械設備故障診斷研究中,以pu1蒸汽風機發電機組為研究對象,結合movex軟體開發了基於機械譜圖知識的故障診斷專家系統,同時為了更加直觀地處理譜圖,另行用vc + +與matlab軟體開發一套基於擬合的機械設備故障診斷知識處理系統。
  15. The dynamic parameters of the asphalt concrete can be obtained through dynamic triaxial test, combined with the cunli chen ' s studying results, discovering that the dynamic stress - strain relationship obeys the hyperbolic model well, and t he maximum dynamic modulus edmax and the maximum shear modulus gdmax increasing along with the decreasing of the temperature and the increasing of consolidation ratio kc

    通過三軸試驗獲得瀝青混凝土材料的力參數,並結合西安理工大學陳存禮老師的研究成果。發現應力與應變的關系較好地符合雙規律,最大模量e _ ( dmax )和最大剪切模量g _ ( dmax )隨著溫度的降低、圍壓和固結比kc的增大而增大。
  16. We presents a detailed studied of the linewidth of parametric light in clbo - opo caused by the linewidth of pumping beam, off axis phase matching, divergence angle of pumping, time above threshold, high gain coefficient of nlo crystal, fluctuate of cavitylength, spontaneous radiation, according to the momentum and energy conversion laws, and the sellmeier equations of the clbo, we calculated curves of the type - i and type - ii compared with the bbo ' s

    根據能量量守恆關系和clbo的色散方程,詳細分析了由於泵浦光的寬、泵浦光偏軸泵浦、泵浦光的發散角、泵浦光功率超過參量光蕩閾值一定倍數、高增益系數、有效腔長波以及自發輻射引起的參量光寬,並得到了與bbo晶體在類、類相位匹配下比較的理論
  17. In general, the upward amplitude curve " curvature is larger, and it changes quicker. on the contrary, the downward is smaller and slower ; because the flare force contains the square of the wave elevation velocity, it results in an difference between the flare force frequence and the associated moving frequence ; the flare force decreases the downward amplitude of heaving oscillations ; the speed of ship has an ignorant effect on the peak values of three calculated values, but there is an obvious effect on the oscillating frequence ; the wave amplitude has an effect on the ship motion, and there is an linear relation between the oscillating amplitude and the wave amplitude on the whole. by the way, there are some experiences and lessons according to the progress calculation : before the calculation of the ship motion, we should checkout the balance in a calm water firstly, namely, the whole displace of ship and the longitudinal position of the center of gravity must be consistent with the draft in calm water, or else, the calculation may show the " floating " phenomenon ; the mixed language programming has a lot of virtues, but it exists a fatal limitation - the debug of dll

    研究表明:在某些頻率范圍內相關水力系數基本不隨吃水變化,只有超過某一頻率后水力系數的值才會出現差異;在橫搖方向,水力系數並沒有隨著吃水的變化發生規則變化,而是出現了波現象;近船首剖面的水力系數計算表明,水力系數的波非常大,並遠遠偏離了平均位置的水力系數值,值的變化速率也不盡相同,總的看來,上率較大,變化較快,下率較小,變化較慢;外飄力和波面運的速度的平方項有關,導致其頻率和相應運方向的頻率不同;外飄力使升沉向下運的幅值減小;船速對三個計算量的峰值影響甚微,但對頻率有明顯影響;波幅對船舶運的影響是明顯的,船舶運的幅值基本上和波幅成性關系。
  18. Based on the theory analysis, computer simulations and experiment researches, the problem according to any angular vibration curve of crankshaft to diagnose the power of each cylinder of i. c. engine, are completely solved and the concerned equipment is developed in this paper

    作者通過大量理論分析、模擬計算和實驗研究,首次全面系統地解決了根據內燃機軸某一測點的角振動曲線診斷內燃機各缸作功狀況的診斷方法和相關診斷測試設備研製等問題。
  19. In succession, fractal is imported especially for solving questions about nonlinear and non - stationary of diesel surface vibration signals. a formula with variation has been set to calculate the fractal dimension of the vibration curve

    接著,針對柴油機系統的非性和表面信號的非平穩特性,引入分形分析方法,利用變換法計算振動曲線的分維數。
  20. Engine is contained in the angular vibrating curves of crankshaft, many scholars do research on the fault cylinder diagnosis by use of the transient speed curves of i. c. engine, and some progresses are acquired, but there are some problems such as the poor diagnosis accuracy in some cases and the limited application range

    內燃機軸角振動曲線含有豐富的內燃機作功狀況的信息,國內外許多學者都在研究利用內燃機瞬時轉速診斷故障缸,取得一定進展,但存在精度不高或適用范圍受限制等問題。
分享友人