振型矩陣 的英文怎麼說

中文拼音 [zhènxíngzhèn]
振型矩陣 英文
matrix of modal shape
  • : 動詞1. (搖動; 揮動) shake; flap; wield 2. (奮起) brace up; rise with force and spirit
  • : 名詞1. (畫直角或正方形、矩形用的曲尺) carpenter's square; square2. (法度; 規則) rules; regulations 3. [物理學] moment
  • : Ⅰ名詞1 (作戰隊伍的行列或組合方式) battle array [formation]: 布陣 deploy the troops in battle fo...
  • 矩陣 : [數學] matrix; array
  1. For the anticounterfeiting of printings ( such as certificate ), the existent many ways ( such as rainbow holograms ) are not available as the need for special use : anti - distortion and anti - copy. basing in the double - random - phase transform, this article puts forward a new way that two - dimensional bar code is used as anticounterfeiting label with anti - printing ? scanning and anti - damage properties. the major job are : ( 1 ). basing in the ascii codes, numerals and alphabets are encoded and subsequently transformed into two - value bar code matrix figure. later, using amplitude - based double - random - phase transform, the enciphered gray scale figure is formed. by computer simulation ( 4f system ) and printing as well as scanning ( 20 times ), we get the result that the gray scale figure with little miscoding rate ( 0. 0026 ) by “ matrix expanding way ”

    本文主要開展了以下三項研究工作: ( 1 ) .用自定義編碼方案,將數字和字母( ascii碼)轉換成二值條碼圖;對該圖形進行雙隨機相位加密變換,得到原信息的加密灰度圖;通過4f光學系統計算機模擬和列印-掃描實驗,證明本文提出的「擴展法」灰度圖具有較小的誤碼率,對於20次列印-掃描實驗,誤碼率不大於0 . 0026 。
  2. This dissertation is chiefly act below work : ( 1 ) expatiating the equipments diagnosis technique development process and trend, putting forward the standpoint that giving systematical diagnosis to the mechanical and electrical equipment and expanding the technical application in equipment diagnosis, making it breakthrough the traditional application of maintaining etc. in equipments, still be used for improvement and development etc. s of new product ' s design ; ( 2 ) probing into vibration type and disposal method of vibration signal, the usual method of equipment condition recognition, the essential constitutes and development trend of observation and diagnosis system ; ( 3 ) introducing the development trend of domestic and international crusher and the distinguishing feature of double turnplate stike crusher which is a new product. according to the breakdown phenomenon in running process, establishing the fault tree and deducing every kind of foundation affairs resulting in fault ; ( 4 ) studying the calculation method of critical rotation speed

    本文主要做了以下工作: ( 1 )闡述了設備診斷技術的發展過程及發展趨勢,提出了應結合實際對機電設備進行系統診斷的新的技術思路,用實踐證明了應當拓寬設備診斷技術應用的范圍,使設備診斷技術既可以在設備管理和設備維修中得到應用,也可以用於新產品的設計改進及開發等; ( 2 )探討了動的類動信號的處理方法,設備狀態識別常用的方法,監測與診斷系統的基本構成與發展趨勢; ( 3 )介紹了國內外破碎機的發展趨勢,以及雙轉盤沖擊破碎機這一新產品的結構和特點,並根據試機過程中出現的故障,建立了故障樹,並導出了導致故障發生的各種基礎事件; ( 4 )研究了臨界轉速的計算方法和原理,用傳遞法計算出了破碎機內轉盤的臨界轉速。
  3. It is found that the fwm field can cause the asymmetry of electromagnetically induce transparency profile. in addition, the effect of different propagating orientations of probe field on the electromagnetically induced transparency is also discussed. in the molecular multi - level system with the perturbed superposition levels, we discuss the electromagnetically induced transparency, spontaneous emission enhancement, double dark resonance and double electromagnetically induced transparency by using the density matrix equation under weisskopf - winger approximation and dressed - state density matrix equation

    針對實際的實驗條件,考慮了一種影響量子干涉的新的因素-四波混頻場,研究了四波混頻場對雙光子探測的-能級體系的eit的影響,發現四波混頻場能夠導致雙光子探測的eit線的不對稱,在此基礎上,討論了不同探測場的傳播方式對eit的影響,針對分子中實際存在的包含有微擾能級的不同多能級系統,我們分別採用綴飾態繪景下的密度方程和weisskopf - wigner近似下的密度方程詳細地討論了電磁感應透明、自發輻射的干涉相消和相長、雙暗態共和雙電磁感應透明現象。
  4. In the full of research, the thesis constructed the dynamic equations of the simplified model, then programmed and computed the feedback gains using lqr method. moreover, the thesis plotted pictures of displacement, velocity, acceleration, bend and shearing force of ship ' s head and middle part in the condition of using cable and not using cable

    在研究工作中,首先對船舶的簡化模建立了動力學方程,然後採用線性二次最優控制方法,編寫程序並計算出船體垂向動固有頻率和最優反饋,得到控制前後船艏以及船舯部的位移、速度、加速度、彎和剪力歷程圖。
  5. Based on the perturbation riccati transfer matrix method, the calculating program are developed. the program can be used to the perturbation analysis and the sensitivity analysis of the real and complex, the single and repeated eigenvalues and eigenvectors for lateral vibration of rod and beam structures, especially suitable to the perturbation analysis and the sensitivity analysis of eigenvalues and eigenvectors for rotordynamic systems ; 2. the perturbation riccati transfer matrix method was applied to identify the parameters of the rotor for a boiler supply pump, and the accurate dynamic model of the rotor was archived

    該程序可以對桿、梁結構橫向彎曲動的實數、復數的孤立和重頻特徵值問題進行攝動分析和靈敏度分析,特別是適合於轉子動力學系統特徵值和特徵向量問題的攝動分析和靈敏度分析; 2 、用攝動riccati傳遞方法解決了某電站鍋爐給水泵轉子的參數識別及動力模修改的問題,並給出了該種號的給水泵轉子的更準確的力學模,為進一步的轉子動力學分析與設計奠定了可靠基礎; 3 、給出了攝動理論在相關領域如隨機特徵值分析、隨機動響應分析、可靠性分析、靈敏度分析、優化設計以及參數識別中的應用公式。
  6. Periodic, quasi - periodic and chaotic motions show on alternately when the rotating speed is near to 2 / 3 0. combined step - by - step integral method with traditional transfer matrix method, an increment transfer matrix method is put forward. based on riccati method, the increment transfer matrix method is used in a multi - mass model

    將逐步積分法與傳統傳遞法相結合,提出了增量傳遞法思想,文中相該方法應用於多段集中質量模,並結合riccati法,推導了汽輪發電機組軸系彎扭耦合動響應計算的表達式,並開發了一套較完善的汽輪發電機組彎扭耦合動分析軟體。
  7. This paper bring out design method of inverse eigenvalue problem, which adapts to general structures with linear parameters, namely coefficients of all or partial elastic component and inertial component are treated as design parameters, for given some order natural frequency and corresponding vibrating mode, all of useable designing parameters will be got through solving a linear system of equations, thereby stiffness matrix and mass matrix of actual structure are constructed. this paper also discusses existence condition and unique of results

    提出了適用於具有線性參數的一般結構的逆特徵值問題的設計方法,即以系統的全部或部分的彈性元件與慣性元件的系數為設計參數,對于預先給定的若干階固有頻率及相應,通過求解一線性方程組即可確定全部實際可行的設計變量,從而構造出實際結構的剛度和質量,並論證了解的存在性與唯一性。
  8. Earthquake and wind ), because of the damping matrixes of the two structures " motion equations are both non - classical, the dynamic equation ca n ' t be decoupled by the traditional real - mode analysis ( the mode - superposition method ). though, in this thesis the complex - mode analysis is used to solve the stationary and non - stationary random earthquake response of structures and their analytic expressions are got. on the basis of these expressions, the optimal parameters of the two structures " isolation & seismic decrease equipment are analyzed

    目前,基礎隔震結構、 「加層減震」 ( tmd減震)結構正逐步應用於工程實際,由於這兩種結構在動力荷載(如地震、風)作用下動力方程中的阻尼為非經典情形,傳統的實模態分析方法(分解法)不能使動力方程解耦,因此本文運用復模態分析方法求得了結構在平穩和非平穩隨機地震激勵下結構隨機地震響應的解析表達式,在此基礎上進行了基礎隔震和tmd減震裝置參數的優化分析。
  9. By using the method of transfer matrix, the dynamic model of the driving shaft vibration of swing movable teeth reducer is built. the calculation formula for natural frequencies of the flexural vibration of the driving shaft is derived

    應用傳遞法,建立了擺動活齒減速器輸入軸動的動力學模,導出了輸人軸橫向彎曲動的固有頻率的計算公式。
  10. The performance of modulators employing mqw is governed by the quantum confined stark effect. in order to simplify the analysis of mqw, we obtain an explicit formula concerning the correlations between the gaas / gaalas quantum well widths of finite potential barrier structure and those of infinite potential barrier structure under the condition that the ground state energies are equal at zero bias states. then the transfer matrix method is used to investigate the optical field distribution in the mqw waveguide based on five - step asymmetric coupled quantum well structure that is really used in the modulator

    本論文首先根據量子限制stark效應,發展了等效寬度思想,提出了把單量子阱結構的有限深勢阱的分析轉化為無限深勢阱模的顯式公式,從而大大簡化了電場下量子阱結構的分析;接著利用轉移,把周期性的量子阱結構簡化為三層結構,得到了實際採用的非對稱三阱結構量子阱的場分佈,並討論了量子阱結構的偏特性。
  11. The compute model of shafts of the machines is built by adopting concentrated mass method. taking into account the different support conditions of the shafts that workshop is considered as rigidity or elasticity ; the natural characteristic and unbalanced response of the shafts are computed by integrating with high stable riccati transfer matrix method

    採用集總質量法對機組軸系建立了計算模,並結合穩定性良好的riccati傳遞法,分別考慮機組軸系的支撐基礎(廠房)為剛性、彈性兩種情況,計算了機組軸系的自特性、軸系的不平衡響應。
  12. As to the polyreference implemention of the least - squares complex frequency - domain estimator in mathematical separation technique of modes, this thesis builds a right matrix - fraction description model to estimate the system poles. then frequency point stabilization diagram is set up and analyzed to automatically determine natural frequencies, modal damping ratios and modal participation factors. finally mode shapes are identified based on the least squares theory

    對于模態數學分離技術的多參考點最小二乘復頻域識別技術,先建立右分式頻響模,識別出系統極點,再通過建立和分析頻率點穩態圖,能自動的確定出結構的固有頻率、模態阻尼比和模態參與因子,最後根據最小二乘原理識別出模態向量。
  13. The torsional vibrations dynamic model of corrugating machine system was established utilizing the transition matrix method to solves the dynamic equation and gets natural frequencies and circular frequencies of the torsional vibration

    摘要利用傳遞建模方法,建立了瓦楞機系統扭轉動的動力學模,進行了動力學方程求解,得到了系統扭轉動的固有頻率和圓頻率。
  14. Matrix methods and coupled mode theory are applied to resonator structures such as distributed feedback lasers, tunable lasers and microring devices

    方法與偶合模式理論被提供來做共腔結構,如分散式回授雷射、可調雷射及微環元件。
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