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- The principle of the car acceleration noise is discussed and the acoustic field model for underneath car cavity is derived. 論述了轎車加速行駛雜訊的原理,推導了轎車與地面間聲場的聲學模型。
- The trajectories of particle movements in a standing wave acoustic field are recorded by fast-speed video camera. 採用可視化實驗的方法,拍攝可吸入顆粒在駐波聲場中的運動軌跡。
- In this paper, the basic theories of ocean acoustic t omography, including ray travel time inversion, model travel time inversion, mod al phase inversion and modal-horizontal-refraction tomography are summarized. 從射線聲學和簡正波聲學的角度 ,概述了海洋聲層析的基本理論 ,包括射線走時反演、簡正波走時反演、簡正波相位反演和簡正波水平折射層析。
- Show reduced scale model can accurate reflection actual hall acoustic field over loud time. 表示縮尺模型可以準確的反映實際廳堂聲場餘響時間。
- A method for measuring acoustic field of electromagnetic ultrasound is introduced. 介紹了一種測量電磁超聲聲場分佈的方法。
- It is very important to pick out the qualified flakes by acoustic field measurement in equipment manufacture. 通過聲場測量,篩選出合格的壓電陶瓷球片,在治療設備的製造中顯得尤為重要。
- Much less EPU times are required for calculating the superposing acoustic field than calculating the classical Fresnel integral. 用單陣元分佈函數迭加所得的換能器聲場分佈的數值計算,比計算經典的Fresnel積分的運算量要小得多。
- Aim In order to simulate the agglomeration of fly ash particles in the acoustic field more exactly, a new math model is constructed. 目的為了更精確地模擬煤飛灰微粒在聲場中的團聚機理,建立一種新的數學模型。
- The experimental research on the pipe flow under the influence of high-intens ity acoustic field is presented in this article. 用實驗手段研究強聲場對管道內氣體流動的影響。
- Two Intriguing Topics of Ocean Acoustic Tomography 海洋聲層析研究的兩個熱點問題
- Acoustic vector sensor can measures the pressure and particle velocity information of the same point in acoustic field simultaneously. 摘要 聲矢量感測器能夠同步、共點地拾取聲場的聲壓和質點振速。
- Thus, this skin decouples the vibrating structure from the acoustic field by modifying the wavenumber spectrum of the radiating surface. 首先考慮在邊界表面的一端具有脈衝或周期振蕩式邊界熱通量的正算問題。
- Brillouin enhanced four wave mixing, whose interference beat frequency drives an acoustic field, can improve the SBS phase conjugation fidelity. 採用四波混頻加強SBS的方法，其相干拍頻驅動聲子場，能提高SBS相位共軛保真度。
- Abstract: The horizontal-longitudinal correlations of low-frequency acoustic field in shallow water are inv-estigated based on experimental data. 文章摘要: 基於一次淺海聲學實驗數據,研究了淺海低頻聲場的水平縱向相關特性。
- The acoustic field of wideband noise at low frequencies radiated from a short-range moving object in shallow water forms a hyperbolic interference pattern in LOFAR. 近距離目標輻射的低頻寬頻雜訊通過淺海聲場后，存LOFAR圖上形成雙曲線干涉條紋。
- In underwater acoustic field, triple arrays for ranging, target motion analysis (TMA), match field processing (MFP) are three main methods for passive sonar ranging. 在水聲領域,三元子陣測距、目標運動分析(TMA)和匹配場處理(MFP)是被動雜訊測距的3種主要技術。
- Non-inertial cavitation is the process where a bubble in a fluid is forced to oscillate in size or shape due to some form of energy input, such as an acoustic field. 非慣性的氣穴現象是泡沫在一種液體中由於一種能量輸入的緣故被迫在體積和型態上震動。
- According to the photo of the particle movement orbit,the particle movement law under different acoustic field is summarized,and the foundation for the simulation of PM2.5 mo... 根據顆粒在聲場中的運動軌跡照片總結出顆粒在不同聲場作用下的運動規律;為PM2.;5運動過程模擬奠定了基礎。
- This creature lives in the depth of the ocean. 這種生物生活在海洋深處。
- Owing to the differences of structural material's properties, the effects and distribution of acoustic field in buildings generated by traffic and neighbor noise are different. 由於建築材質之差異，在建築結構中因交通環境噪音與鄰居居家噪音所造成之聲環境亦有不同之影響及分佈。
