acoustic vibration 中文意思是什麼
acoustic vibration
解釋
聲波振動-
Introducing the theory and application of boundary element method on the sound radiation, giving the process of solving vibration noise radiation problem using boundary element analysis software ; presenting the coupling theory and the combination analysis of finite element method and boundary element method, and doing relevant analysis based on close drum shell ; programming the noise data simulation program using the numerical calculation software, simulating the acoustic and pressure data of a key point in the transient response acoustic field of the close drum shell, realizing the audibility of the noise, using the virtual reality tools to simulate the vibration noise of the drum shell ; combining the finite element method and boundary element method to analyze the vibration noise radiation of some gear box, and completing the whole simulation process of the vibration noise of the gear box
綜合介紹了邊界元法在聲輻射問題上的理論及應用；並給出了運用邊界元法分析軟體求解振動聲輻射問題的過程。闡述了有限元法和邊界元法的耦合理論及組合分析方法，並以封閉鼓形薄殼為分析對象進行了相應的分析。利用數字計算軟體編制了噪聲數據模擬程序，並模擬了通過組合方法分析封閉鼓形薄殼瞬態響應聲場而獲得一關鍵點的聲壓數據，實現聲音的可聽化，隨后通過虛擬現實工具實現了該情形下橢球殼振動噪聲的虛擬模擬。 -
Active structure acoustic control ( asac ) is the leading field in the area of vibration and noise control. based on the most current academic and experiment results of domestic and overseas in asac, modern robust control theory ( h _ control theory ) and modern hydrokinetics theory 、 solid dynamics theory are used to build the control model of asac in this thesis. and the h _ control experimental system is build based on modern signal processing technology and compter technology
本文在國內外最新的asac理論研究與實驗成果的基礎上，首次將現代魯棒控制理論（ h _控制理論）與現代流體動力學、固體動力學理論相結合，建立了結構振動聲輻射主動控制模型，提出了設計魯棒h _控制器的新方法，並採用現代信號處理技術、計算機技術建立了結構振動聲輻射魯棒h _控制實驗裝置，進行了實驗研究。 -
Analysis of the acoustic propagation properties under the sea with normal vibration method
用簡正波方法分析聲波在海水中的傳播特性 -
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。 -
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。 -
Based on local coupling mode theory of graded index optic fiber wave guide, the variation regularity of coupling output light has been deduced when sound wave acts on single mode optic fiber coupler. and a new idea has been proposed that a novel sensor can be applied on detection of acoustic / vibration. the sensing element of sensor is the melting area of single mode coupler in which the feasibility of the new - type optic fiber sensor has been proved in experiment
本文從緩變光纖波導的局部耦合模理論出發，推導出了單模光纖耦合器耦合分光在聲波作用下的變化規律，提出了以單模光纖耦合器的熔融區為傳感元件的傳感器在聲振動信號檢測中應用的新思想，並實驗論證了這種新型光纖傳感器應用於實際的可行性。 -
Acoustic lattice vibration
聲學點陣振動 -
It utilizes two boltclamped langevin transducers with unanimous frequency characteristic which convert vertical vibration to flexural traveling wave. they are arranged on the place of a elastic pipe to generated traveling - wave. when the traveling - wave propagate, the particles on the elastic pipe traverse an elliptic trajectory, materiel is transported by friction or acoustic streaming
利用兩套頻率特性一致並以縱向振動方式工作的夾心式換能器，通過合理的布局在導管中激勵出行波，使輸送管管壁質點產生橢圓運動，從而利用摩擦或在液體中產生聲流來實現固體及液體的傳送。 -
Material production recipes bittern mgcl from territories green roast bolivia glass cloth face paper other additives : sawdust product specifications : 2400 x 1200 x 8mm 9mm 10mm 12mm 2440 x 1200 x 8mm 9mm 10mm 12mm product features : bolivia has a magnesium plates withstand high temperatures, fire, acoustic, vibration, pest control, corrosion, non - toxic tasteless clean, direct, painting, directly onto face, available gas nails, direct, tiles, surface better color nature, high intensity, resistance bending a resilience and can be made, may sawn, may stick, decoration convenience
生產玻鎂板材料配方鹵水mgcl苦土青燒玻璃布面紙其他添加劑:木屑或珍珠巖產品規格: 240012008mm 9mm 10mm 12mm 244012008mm 9mm 10mm 12mm產品特點:玻鎂板具有耐高溫阻燃吸聲防震防蟲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，強度高耐彎曲有韌性可釘可鋸可粘，裝修方便。 -
Acoustic enclosure, acoustic louver, acoustic panel, door and window, acoustic silencer, noise absorption material, vibration isolator
噪音控制設備隔音罩、隔音板、門及窗、滅聲器、吸音材料、防震器 -
To study the acoustic unsteady combustion of srm, built the acoustic model of chamber. deduced the little amplitude sound wave 3d equation, used the finite volume discrete method to simulate. got the vibration model of three kinds of chamber
為研究固體火箭發動機聲不穩定燃燒特性，建立了燃燒室內聲學特性分析的物理數學模型，推導了小振幅聲波三維波動方程，採用有限體積離散方法進行模擬，得到圓柱型、四片翼柱彤和五片翼柱型藥柱三種燃燒室形狀聲學振動基本模態 -
Acoustics and vibration - laboratory measurement of vibro - acoustic transfer properties of resilient elements - indirect method for determination of the dynamic stiffness of resilient supports for translatory motion
聲學和振動.彈性元件的振動-聲傳輸特性的實驗室測量.平移動用彈性支架的動態剛性的間接測定方法 -
Based on these types of acoustic / vibration sensor, a novel coupling acoustic / vibration optic fiber sensor has been developed
本課題在這些類型的聲振動傳感器的基礎上，研製出了獨具特色的耦合型聲振動光纖傳感器。 -
In this paper, a study has been made of analyzing the acoustics and vibration characters of the plate & shell and stiffened plate & shell structures with fea ( finite element analysis ) and basic theories of structural vibration and acoustic radiation, which, to some extent, helps the nonprofessional people understand the acoustical characters of these structures through acoustical means
本文利用有限元方法，結合結構振動與聲輻射基本原理，對板殼、加筋板殼結構的聲?振特性進行了分析，利用信號處理技術實現結構聲?振特性的可聽化模擬。在一定程度上，使非專業人士也可以通過聲學手段了解結構的聲學特性。 -
With the wave number analysis of the structural vibration of flexible mechanism, the relationship between structural vibration and structural acoustic radiation are studied
通過對彈性機構振動波數譜分析，得出了機構振動與聲輻射之間的關系。 -
In the course of theory analyses, acoustic / vibration signal acts on the coupling area of a coupler. there are two different actions - horizontal operation and vertical operation and two different transmissions - traveling wave and standing wave. the responses of the sensor analyzed with matlab shows that the length of coupling and the frequency of acoustic / vibration signal will influence the sensitivity of the sensor
理論分析過程中，聲振動信號對傳感器的耦合區有不同作用方式（橫向作用縱向作用）以及不同傳播形式（駐波傳播/行波傳播） ，用數學軟體matlab對其響應進行模擬分析，得出了耦合長度和聲振動信號頻率會影響傳感器的靈敏度。 -
Environmental tests for aircraft equipment - part 3. 4 : acoustic vibration
飛行器設備的環境試驗.第3 . 4部分:聲學振動 -
Specification for general requirements for equipment for use in aircraft - all equipment - environmental conditions - acoustic vibration
飛機設備一般要求規范.第2部分:各種設備.第3節:環境條件.第14小節:聲震 -
In experimental, static response and frequency response of coupling acoustic / vibration optic fiber sensor have been analyzed. the results indicate that the response of the sensor to static pressure has high sensitivity. because the resonant frequency of different materials and structure is different, the sensor has maximum sensitivity in specific frequency
試驗研究中，對耦合型聲振動光纖傳感器的靜態響應特性和頻率響應特性進行了試驗分析，分析結果表明該類型傳感器對應變的響應非常靈敏，而對頻率的響應則由於材料及結構本身的共振頻率的差異有不同的峰值響應頻率。 -
Measurement of acoustic / vibration signal is a very important part in a sensing system, acoustic / vibration sensors have experienced many kinds such as the piezoelectricity, the optic fiber interferometers ( ofi ), optic fiber f - p interferometers, optic fiber grating
聲振動信號檢測是傳感系統中一個非常重要的部分，聲振動傳感器經歷了壓電陶瓷型，光纖干涉型，光纖f - p腔型，光纖光柵型等多種類型的傳感器。
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