underwater acoustics 中文意思是什麼
underwater acoustics
解釋
水聲學- underwater : adj. 1. 在水下的，水中的。2. 用於水下的。3. 【造船】吃水線以下的。adv. 1. 在水下。2. 【造船】在吃水線以下。n. （海洋等）水面下的水；水下，水底。
- acoustics : n. 1. 〈用作 sing. 〉聲學。2. 〈用作 pl. 〉 （劇院等的）音響裝置，音響效果。
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Acoustics - high - power characteristics and measurements of underwater sound projectors
水聲發射器的大功率特性和測量 -
Acoustics - high - power characteristics of underwater sound projectors and their measurements
聲學水聲發射器的大功率特性和測量 -
Acoustics - measurement method of insertion loss and echo reduction for the underwater acoustical material sample
水聲材料樣品插入損失和回聲降低的測量方法 -
Acoustics. measurement method of insertion loss and echo reduction for the underwater acoustical material sample
聲學水聲材料樣品插入損失和回聲降低的測量方法 -
Acoustics - measurement of underwater sound transducers
水聲換能器測量 -
To solve the frequent ash and slag stacking in the ash - pit under the 600 mw supercritical boiler for huaneng shanghai shidongkou no. 2 power plant, the high resolution acoustics imaging real - time monitoring system was developed using underwater acoustics imaging technology
摘要結合華能上海石洞口二電廠600mw超臨界鍋爐爐底灰坑頻繁堆渣排放的實際情況，利用水下聲納成像技術，開發了高解析度聲納成像實時監視系統。 -
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。 -
Especially the underwater acoustics high - resolution multi - source direction finding technique is the key to underwater searching and ocean exploration. sponsored and supported by the national natural science foundation, the aviation science foundation as well as the national pre - research project, bayesian high - resolution method is thoroughly studied and summarized in this thesis. the novel bayesian high - resolution doa estimator based on gibbs sampling is given to improve the real - time performance of original bayesian high - resolution doa estimator
本文在國家自然科學基金、航空基礎科學基金和「九五」重點預研項目的資助下，對貝葉斯高分辨方法進行了深入的研究和總結，並且針對原貝葉斯高分辨方位估計方法計算量大的問題，給出了基於吉布斯采樣法的貝葉斯高分辨多目標方位估計新方法，使得貝葉斯高分辨方法向實時應用邁進了重要的一步。
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