modal mode 中文意思是什麼

modal mode 解釋
模式化的/模式
  • modal : adj 1 方式上的,形態上的;【哲學】(對本質、內容說的)形式(上)的。2 【語法】語氣 (mood) 的;表...
  • mode : n 1 法,樣,方法,方式。2 模,型;樣式,體裁,款式;習慣。3 風尚;〈the mode〉流行,時髦。4 【語...
  1. We acquired the system ' s dynamic response when the satellite attitude was adjusted and the mode of the antenna. then modal analysis and dynamic analysis have been done to the satellite - antenna system by using the finite element analysis ( fea ) software of ansys. through the analysis we got the system ' s connatural characteristic, the amplitude - frequency characteristic of harmonic response, the power spectrum density of random vibration response, the maximal amplitude and resuming time of impact response

    其次藉助ansys有限元分析軟體,對系統進行了模態分析和動力學響應分析,獲得了不同天線結構參數下的衛星?天線系統的固有特性,簡諧響應的幅頻特性,隨機振動響應的功率譜密度,以及沖擊響應的最大幅值和恢復時間等。
  2. It shows that the modal shape and mode frequency are highly coupled with the viv response of a marine riser with low mass ratio

    該模型的計算結果表明,立管的模態振型、模態頻率與渦激振動響應高度耦合,並且對于低質量比的情況尤為明顯。
  3. The determination of the choice of travel mode is known as modal split.

    交通方式選擇的確定就叫做交通方式劃分。
  4. Trips may be made by differing methods or modes of travel and the determination of the choice of travel mode is known as modal split.

    行程可以採用各式各樣的方法或不同的交通方式,交通方式選擇的確定就叫做方式劃分。
  5. The most achievement is that we firstly obtain the analytic accurate solution of the modal fields of the waveguide structure and find some available character : ( 1 ) the different uniaxial crystal materials have the different propagation properties ; ( 2 ) when the optical axis of the crystal is on the plane that is made up of the normal direction of the waveguide plane and the propagation, there are te mode and tm mode in this special waveguide, but the principal mode is different of the character of the uniaxial crystal, the principal mode is the principal mode of te mode for the negative uniaxial crystal, but the one of tm mode for the positive uniaxial crystal ; ( 3 ) when the crystal optical - axis parallel to the waveguide plane, for the positive uniaxial crystal material, the principal mode of the waveguide is a te wave, which can be excited by the light at any frequency ; when the light frequency satisfies a single mode propagation condition, there will be only the principal mode propagating in the waveguide, otherwise some of the higher order modes can be excited, which are neither te modes, nor tm modes, but the hybrid guided modes

    本文就是在此背景下,利用金屬波導和單軸晶體的一些特性,結合麥克斯韋方程組和波導的邊界條件,從三種不同的情況研究了光在對稱平面單軸晶體金屬波導(波導層是單軸晶體,兩個波導界面均為金屬)內的傳輸特性,其主要貢獻為,首次解析地得到了這種波導結構下模式場的精確解,並發現了一些有用的特性: ( 1 )模式場的性質因單軸晶體的性質不同而異; ( 2 )當單軸晶體光軸位於波導界面法方向與傳輸方向構成的平面內時,波導中傳輸te波和tm波,只不過其主模因單軸晶體的性質不同而異,當波導層介質為負單軸晶體時,波導主模是te波主模,而波導層介質為正單軸晶體時波導主模是tm波主模。 ( 3 )當單軸晶體光軸位於波導面內時,對于正單軸晶體,波導的主模是橫電波te _ 0模,任何頻率的光波均可激勵該模式;當光波波長滿足一定條件時,波導內傳輸單模,否則,將激勵起高階模式,高階模即匪te波,也匪tm波,而是兩者耦合而成的混合模。
  6. The seism response analysis of aqueduct bridge is analyzed with modal superposition method based on response spectrum which participant mode of vibration chooses the former 1 0 steps and combinatorial method was srss

    渡槽的地震反應分析採用振型分解反應譜法,參與振型取前10階,組合方法用srss法,求得結構的地震作用效應。
  7. For that, the specific measures are as follows : ( l ) soes should be classified to reform. on the basis of rationalizing the state - owned capital ' s belongingness relation, the special soes could maintain original operating pattern, and most common soes could chose the non - nationalization way ; ( 2 ) choose the joint governance modal to construct a investment climate fit for soes " development by perfecting the inspiring mechanism for managers, internal monitor mode, external market control and law control mechanism, combining with the economic ethics and the company culture building

    為此需要對國企進行分類改碩士學住論文v煩,旮kusir 』引msis造,在理順國有資產歸屬關系的基礎上,特殊國企可以保持原有的經營模式,大量一般國企可選擇走民營化道路;企業治理方面選用共同治理模式,健全經營者激勵機制、內部監控機制、外部市場約束機制與法律約束機制,並且結合經濟倫理道德秩序建設與企業文化建設,共同創造適合國有企業生存發展的內外投資環境。
  8. In the second method, wavelet transform is combined with modal transform, and transient travelling - wave signal is used. after three phase signals are decomposed into their modal components, the wavelet transform coefficient of ground mode can be used to identify approximate position of fault, and the wavelet transform coefficient of aerial mode is used for identifying arrival time of traveling - wave

    第二種方法將小波變換與模式變換理論結合起來,採用的是暫態行波信號,首先將三相信號轉換成模式分量,零模分量的小波變換系數用於判別故障的大致位置,然後利用線模分量的小波變換系數來確定行波到達時間。
  9. In this method, the measured response data are first decomposed into modal responses using empirical mode decomposition ( emd ) approach with intermittency criteria

    使用帶有間歇指標的經驗模式分解( empiricalmodedecomposition - emd )方法將測量響應數據分解成各階模態響應。
  10. The modal parameters are the basic data for structure dynamic analysis and vibration control. the methods of modal parameters identification can be cataloged into phase resonance testing ( normal - mode force appropriation ) and phase separation approaches

    目前,識別模態參數的方法可分為相位共振法(適調多點激振法)和相位分離法兩種[ 1 ] 。
  11. Then a simplified computational modal of damping isolation systems is established for a platform structure, and the relationships between the parameters of isolation layer and structural damping ratio, including their vibration - suppressed effect on the whole structure and the relative displacement of isolation layer are studied, and the simulation analysis under several representative load case of random wave force and earthquake affairs is performed. under random wave force, using complex mode theories, non - classically damp problems considering the interaction between the structure and wave, lying in deepwater, are studied. and the resolution solution of structural response are achieved. the results of calculating and analysing show that adding damping isolation to a jacket is an effective way to reduce vibration for offshore platforms

    針對某一典型平臺結構,建立了海洋平臺結構阻尼隔振體系簡化計算模型,進行了波浪荷載工況和地震工況的數值模擬,研究了隔振參數與結構阻尼比的關系以及它們對結構整體和隔振層層間相對位移的控制效果,運用復模態理論研究了位於較深水位的固定式導管架海洋平臺在隨機波浪力作用下考慮結構與波浪相互作用時運動方程中非經典阻尼的解耦問題,獲得了結構響應的解析解。
  12. The theory of laplace wavelet was analyzed. a correlation filtering approach was introduced using the laplace wavelet to decompose a signal into impulse responses of single mode subsystems. modal parameters can be estimated by correlation filtering signal with laplace wavelet

    分析了laplace小波的理論,研究了利用laplace小波將系統響應信號分解成為單模態系統沖激響應的相關濾波方法,並通過信號與laplace小波族的相關濾波進行了單模態和多模態系統的模態參數估計。
  13. According to the integral characteristic of pvdf film, two pvdf sensors are designed to measure adjoint coefficient of sound radiation mode in this paper. based on the theory of sound radiation and two - dimensional modal sensors equation, and taking a simply supported plate as example, we measure mode l, mode 2 and mode 3 adjoint coefficient of its sound radiation by the sensors

    本文是在聲輻射模態理論以及兩維分散式壓電傳感器方程的基礎上,利用pvdf獨特的積分特性,以簡支矩形板為例,設計了pvdf壓電薄膜傳感器用於測量簡支板第一、二、三階聲輻射模態伴隨系數。
  14. Modal characteristic equations of mode he11, te01, tm01 are analysed with numerical method and their dispersion curves are given

    對he11 、 te01 、 tm01三個低階模的特徵方程進行了數值計算,給出了它們的色散曲線。
  15. The error accumulation caused by the errors of modal vectors is banished and an emendation to the classical modal model is conducted, due to the extraction of the independent contribution of each mode by means of the orthogonality of the modal filter

    通過對離散模態濾波器的改進,避免了載荷重構階段模態向量誤差引起的載荷識別誤差積累,從而實現了對經典載荷識別模態模型的校正。
  16. The concept of the equivalent mode and the modal participation coefficient is introduced when the regulation structures are studied. as to the vertical irregular structural systems, the inter - story capacity spectrum method is used and the strength reduction coefficient 77 is put forward when the capacity method is used to evaluate the performance of the torsional irregular structures

    對于扭轉不規則結構體系,引入與結構偏心矩大小和結構平面整體尺寸有關的強度降低系數叮來考慮結構的扭轉效應,選取結構的基底剪力和邊軸線的最大反應位移為參數,應用能力譜方法進行抗震性能評估。
  17. Based on the mode analysis of the stator of a ultrasonic motor using in - plane bending vibration, three kinds of in - plane vibration modes are obtained, and the influence of the motors structural parameters on its modal frequencies are discussed. some helpful conclusions are given, which provide theoretical basis for the design of this type of motor

    運用有限元方法對利用平面內彎曲模態超聲電機定子進行了模態分析,獲得了三種不同類型的面內振動模態,並討論了電機結構參數對其模態頻率的影響,在此基礎上得到了一些有益的結論,為利用平面內旋轉模態設計超聲電機定子提供了理論依據。
  18. Abstract : based on the mode analysis of the stator of a ultrasonic motor using in - plane bending vibration, three kinds of in - plane vibration modes are obtained, and the influence of the motor ' s structural parameters on its modal frequencies are discussed. some helpful conclusions are given, which provide theoretical basis for the design of this type of motor

    文摘:運用有限元方法對利用平面內彎曲模態超聲電機定子進行了模態分析,獲得了三種不同類型的面內振動模態,並討論了電機結構參數對其模態頻率的影響,在此基礎上得到了一些有益的結論,為利用平面內旋轉模態設計超聲電機定子提供了理論依據。
  19. Based on apdl, the design language of finite element analysis software ansys, and visual c + +, the software on acoustics design of underwater cylindrical shell structure is developed. when input parameter of the cylindrical shell in the interface redeveloped in this paper, the software execute the batch file of apdl in the vc process to establish the finite element modal and carry out the analysis, the analysis result and the vibration mode can also be displayed. furthermore, the software has been developed to process the acoustics optimization design of the finite cylindrical shell with stiffener in appointed frequency range

    本論文從便於工程實際應用出發,對使用有限元分析軟體進行二次開發以方便結構振動分析及改進結構設計的方法和過程進行了研究,在此基礎上對水下航行器圓柱殼體的結構聲學特性進行了分析,在指定頻率區間,對結構以振動輻射聲功率級為目標函數進行了部分參數的結構優化設計,與此同時,為了方便有限元分析軟體的使用和簡化設計過程中大量重復的工作,利用ansys提供的參數化設計語言apdl ( ansysparametricdesignlanguage )結合vc對有限元軟體ansys進行了二次開發,形成了一體化的水下圓柱殼體結構聲學設計軟體。
  20. 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,先建立右矩陣分式頻響模型,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振型向量。
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