composite vibration 中文意思是什麼

composite vibration 解釋
合成振動
  • composite : adj 1 併合的,復合的,混成的,合成的,集成的。2 【建築】混合式的;【造船】鐵骨木殼的。3 【植物;...
  • vibration : n. 1. 振動,顫動;擺動;【物理學】振動。2. (心的)震顫。3. (思想情緒的)激動。4. 猶豫。adj. -al
  1. 2. a method combining some of the composite space structural simulation, wavelet analysis, fuzzy mathematical, genetic algorithm, artificial intelligence, expert system, vibration diagnosis, acoustic sounding, supersonic flaw detection, radioscopy, infra - red detection and so on to diagnose the composite structure damage is discussed

    本文對把復合材料大跨建築結構模擬、小波技術、模糊數學、遺傳演算法、人工智慧、專家知識、振動診斷、聲發射技術、超聲波檢測、射線探傷、激光全息檢測、紅外線檢測等方法中的幾種融合在一起對復合材料大跨建築結構進行損傷診斷的方法進行了探討。
  2. While two ( or more ) electromagnetic waves of the same frequency, same direction of vibration, same phase or constant phase difference superpose in space, the amplitude of composite wave is vector sum of the amplitude of each wave

    由兩個(或兩個以上)頻率、振動方向相同、相位相同或相位差恆定的電磁波在空間疊加時,合成波振幅為各個波的振幅的矢量和。
  3. This paper is concentrated on the space geometric non - linear static analysis and vibration analysis of the long span plate - truss composite cable - stayed bridges. 1

    本文是針對大跨徑板桁結合斜拉橋的空間幾何非線性靜力分析及結構的動力分析兩個方面而展開研究工作的。
  4. As an example, the space analysis model about the wuhu changjiang river bridge is done and the internal forces about the wuhu changjiang river bridge due to dead load and lived load are analyzed. 2. the vibration analysis of the long span plate - truss composite cable - stayed bridges

    文中以蕪湖長江大橋為例,建立了該橋的空間有限元分析模型,並重點分析了該橋在自重恆載作用下的結構內力及車輛荷載對橋梁結構內力的影響。
  5. 1, product uses : wall panels, ceiling panels, fire panels, waterproof panels, boxes, etc., can be substituted for wood plywood so qiangqun, doors and windows shutter panels, furniture, etc., as well as by the need to reconcile painting, water painting, and processed into various types of panels face and can be used for the basement, air and mine, moist environment works, but also with a variety of heat preservation material composite, manufactured composite food warming plate 2, product characteristics : bolivia has a magnesium plates withstand high temperatures, fire, acoustic vibration, waterproofing curing, pest control, light corrosion, drug - free tasteless clean, the paint can be directly with noodles, available gas nails, direct, tiles, surface better color

    1產品用途:墻板,吊頂板,防火板,防水板,包裝箱等,可替代木質膠合板做墻裙,門窗板門板,傢具等,也可根據需要做調和漆,清水漆,並可加工成各種類型的板面,同時可用於地下室,人防和礦井等潮濕環境的工程,還可以與多種保溫材料復合,製成復合保溫板材2產品特性:玻鎂板具有耐高溫阻燃吸聲防震防水防潮防蟲輕質防腐無毒無味無污染可直接上油漆,直接貼面,可用氣釘直接上瓷磚,表面有較好的著色性。
  6. It is high performance concrete of low water - binder ratio. with its own gravity and without any vibration, it can fill up the space automatically. with high adding quantity of fly ash and slag, high quality water reducing agent and other compound admixture is the most important technology of this kind of high performance concrete. scc focus on high workability at the same time on high strength and high durability through choosing the composite of aggregate, additives, content of cementions material, admixture reasonably and the optimum design of mix proportion

    本文研究了採用吉林省本地原材料和常規生產工藝配製c40自密實混凝土的製作技術,採用水膠比、粉煤灰摻量、砂率、膠凝材料總量四個因素進行配合比的正交設計,試驗分析了自密實混凝土拌合物的工作性以及硬化后的力學性能、耐久性和生產與施工注意事項,並對其經濟性做出了客觀評價,本次試驗為吉林地區自密實混凝土的推廣應用提供了數據基礎。
  7. Active control of piezoelectric composite beam vibration using a nonlinear fuzzy filter

    壓電復合材料層合梁非線性模糊濾波振動控制
  8. An adaptive fuzzy system for nonlinear active control of piezoelectric composite beam vibration

    壓電復合材料結構模糊自適應前饋振動控制
  9. The damping coefficient of the laminated composites is more than twice that of ly12 aluminum alloy. furthermore, the damping coefficient of laminated composite is enhanced with the increasing of thickness of fiber / resin layer. the vibration damping mechanism is analyzed

    研究了不同纖維樹脂層厚度時疊層復合材料的阻尼性能,發現隨中間層厚度的增加,疊層復合材料的振動衰減系數增加,並分析其振動衰減機制。
  10. The nonlinear thermal vibration characteristic of the composite thin - cylindrical shells under linear temperature field is investigated by the ansys parametric design language ( apdl )

    摘要採用有限元軟體ansys參數設計語言( apdl )實現復合材料薄壁圓柱殼結構在線性分佈溫度場作用下的非線性熱振動特性分析。
  11. The thesis is aimed at presenting a procedure to establish a baseline finite element model of the qingzhou cable - stayed bridge over the ming river, fuzhou, china that was newly constructed. its main span length of 605m is the longest in the world among the completed composite - deck cable - stayed bridge. the proposed procedure includes several tasks : initial finite element modeling base on the design drawings, field loading tests and ambient vibration tests, and finite element model calibration with the test results

    本文以主跨605m的結合梁斜拉橋? ?青洲閩江大橋為背景,首先根據設計圖紙建立該橋完整的初始空間有限元模型,然後根據通車前現場靜力試驗和環境振動試驗結果對初始有限元模型進行校正,通過參數的調整使模型靜、動力計算結果與實測值吻合。
  12. Unbalanced vibration signal of double - shaft rotating system with little rotating - speed difference is a composite signal called " beat ", how to separate two rotors " unbalanced weight from " beat " is the key of balancing for this rotating system

    微速差雙轉子系統的不平衡振動信號是個拍振,如何從復雜的拍振信號中,分離出內、外轉子各自的不平衡量,一直是該類轉子動平衡的難點。
  13. In this thesis, we have the rectangular composite plate with piezoelectric sensors and actuators as ours study object. methods of riz and fem are used to analyze the problem of the vibration control of the smart structures with the direct feedback gain

    本文以壓電薄板為研究對象,採用解析法(里茲法)和數值分析法(有限單元法)研究了壓電智能結構的振動控制問題,其中採用的反饋控制策略為直接反饋。
  14. Laboratory measurement of the composite vibration damping properties of materials on a supporting steel bar

    支撐鋼棒上的器材的組合振動阻尼性能的實驗室測量
  15. The servos are mounted in a composite tray ? once again attenuating airframe vibration and extending servo life

    伺服裝在一個綜合的托盤再度延伸衰減振動和機身伺服生活
  16. Brittle - ductile transition of micro - nano composite ceramics using ultrasonic vibration grinding

    光致變色液晶萘並吡喃的合成及光致變色性質
  17. This dissertation deals with the active vibration control strategy using the embedded piezoceramics as both actuators and sensors. with several ceramics embedded into the composite material structures during the manufacturing process without knowing the structural behavior in advance, this dissertation makes use of a self identification procedure to get the models of the system. apparently, the on - line self identification method enable people to update the models of system

    另外本文利用埋入復合材料結構中的壓電傳感器和驅動器對其進行模型識別而得出結構的動力學模型,再將該模型用於控制器的設計,這樣做的好處是如果結構本身或者約束、環境等發生變化后,可以很方便地對結構的模型重新進行在線識別,及時更新控制參數,避免控制失效,而且不需要事先知道結構的其它屬性。
  18. In the buckling question under nonconservation force, a simply example ( the dynamic stability question under the uniformly follower forces with small deformation % linear elastic, straight normal. ) is considered. the variational equation of braid composite cylindrical shells subjectd to uniformly follower forces is deduced based on the variation principle of quasinatural frequency of elastic nonconservative system self - excited vibration. the calculated formulas of the flutter load and quasinatural frequency of shells are obtained. the program for calculating the flutter load is developed. the numerical example is given and some useful conclusions are obtained

    對非保守力作用下的屈曲問題,具體研究了圓柱殼在比較簡單的情況,即小變形、線彈性、直法線假設下在隨動力作用下的殼屈曲問題,由擬固有頻率變分原理推出了圓柱殼受隨從力作用的變分方程,得到了顫振載荷與殼彎曲的固有頻率的計算公式,編制了相應的計算機程序,並給出了具體算例,得到了一些有益的結論。
  19. The infrared results showed that the ir characteristic value l080cm - lof cubic crystal sio, and the absorption peak 460cm - l of mgf, caused by the interaction between f - - mg ' + - p elastic vibration and photon radiation, appeared in the ir spectra. ellipsometric analysis showed that the typical absorption peaks 58lnm, 589nm and 606nm, resulting from the surface plasma resonance of cu panicles and reflecting the absorption on composite film system, appeared in the extinction coefficient k curves of cu ( voll5 % ) mgf, cu ( vol20 % ) mgf, and cu ( vol30 % ) mgf, cermet films, respectively. with the component of cu increasing, the peak site presented red shift, which was in accordance to the results of ultraviolet - visible spectra

    橢偏測試分析表明: cu ( vol15 ) mgf _ 2 、 cu ( vol20 ) mgf _ 2和cu ( vol30 ) mgf _ 2樣品的消光系數k曲線中出現了反映復合金屬陶瓷體系吸收的由cu金屬顆粒表面等離子體共振引起的吸收峰,峰位分別為581nm 、 589nm和606nm ,呈現紅移,這些與紫外-可見光譜測試結果相一致;此外, cu - mgf _ 2復合納米金屬陶瓷薄膜光學常數的實驗值與考慮尺寸效應修正過的mg理論值總體上符合得很好。
  20. Study on the radial vibration of a new type of radial composite piezoelectric ceramic ultrasonic transducers

    一種新型徑向復合壓電陶瓷超聲換能器徑向振動特性研究
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