sound focusing 中文意思是什麼
sound focusing
解釋
聲聚焦-
It is a difficulty in the design of architectural acoustics all the time that spherical conformation creates sound focusing
球形構造聲聚焦問題始終是建築聲學設計中的一個難點。 -
The auditorium acoustics design of the digital conference hall is to study these absorption, reflection and scattering patterns and their impact on the interior sound field, thereby improving the design to get the best quality evaluation, preventing interference of sound and sound focusing, to the widest possible that the audience will have the best hearing enjoyment
數字會議廳堂的音質設計是研究這些吸收、反射和散射的規律以及它們對廳內聲場的影響，從而改進設計，爭取最佳的音質評價、防止出現聲干涉和聲聚焦現象，使廳內盡可能多的聽眾得到盡可能好的聽覺享受。 -
Based on the study on e - commerce system for specialized marls, focusing on the architecture and key techniques for e - commerce system, and the practice of ehingsun. com, an e - commerce website developed for specialized marts, a scheme and development method of an e - commerce system proved to be sound and workable for specialized marts is introduced by this article, presented for discussion together with the blue sprint, faci 1 ity fixing, network structure, module description and build - up tactic of above - mentioned system
本文以「專業市場電子商務系統研究」的實際課題為背景，研究了電子商務系統的體系結構和關鍵技術，並以專業市場為應用服務對象，結合作者參與開發的海印電子商務網站，論述了專業市場電子商務系統的設計方案、設備選型、網路架構、模塊描述及構建策略。在項目的實踐過程中，論文所提出的方案及開發方法取得了較好的效果。 -
In order to deal with effect of the high damping, focusing probe with focused sound field is used in testing. the image device of ultrasonic c - scanning, which has functions of ultrasonic testing, pc - based control, data collection, data storage, data processing and image displaying together, is applied in testing for the sake of visual testing result
為了克服高阻尼影響，採用了具有聲束聚焦性能的聚焦換能器對不同形狀的該種復合材料工件進行檢測；為了得到直觀的檢測結果，運用了將超聲檢測與微機控制和微機進行數據採集、存貯、處理、圖像顯示集合在一起的超聲c掃描成像技術，並得到了工件內部缺陷的橫截面圖。 -
On the basis of this method, this dissertation makes further analysis on the sound reflection in spherical conformation. this dissertation also makes accurate conclusion of the sound focusing region, and the increment of sound pressure level in this region
而本文是在這一方法的基礎上對球形構造聲反射做更進一步的分析，對其形成的聲聚焦區域及區域內的聲壓級的增量得到量化的結果。 -
The purpose of this thesis lies in : ascertain the sound focusing region in spherical conformation accurately, the increment of sound pressure level in this region approximately, make a basic principle and method to avoid creating the sound focus for architect and designer of indoor ornament. therefore it solves reasonably the conflict of spherical conformation between architectural appearance and acoustics design
本文選題的意義在於：將球形構造產生的聲聚焦區域量化，聲聚焦區域內的聲壓級增量量化，為建築師，裝飾工程設計者在殼形構造的設計與室內裝飾過程中，提出避免產生聲聚焦的基本設計原則與方法，從而合理解決球形構造在建築造型與聲學設計間的矛盾。 -
The reasons focusing only on ray travel times are " noise tolerance could be enhanced and the sensitivity to the environment model mismatch may be reduced by neglecting amplitude information ; phase ambiguity is eliminated by employing the group delay of arriving wave packets ; travel times are pseudo - linear functions of sound speed profiles of the medium, and the perturbation of ray travel time is much smaller than sound pressure ' s
之所以選擇聲傳播時間的原因是：噪聲容限可以得到提高，並且傳播時間的計算可以不考慮聲壓的信息，從而降低了對環境模型失配的敏感性；相位的起伏也可通過到達包絡的群延時來消除；傳播時間是介質聲速分佈的偽線性函數並且傳播時間的起伏遠小於聲壓的起伏。 -
Focusing on the problem of sound field of scattering due to the existence of tubes, the general mathematical model modeled according the condition of plant, and then the coefficient of sound scattering is resolved by using the method of inverse matrix, the functions of arbitrary configuration of tubes is got, the far field scattered pressure and near field scattered intensity of the unit of heat exchanger tubes is calculated, at last, the effect of soot cleaning due to the existence is analyzed
論文根據爐內管束的實際情況，建立換熱器管束聲波散射的通用數學模型，利用迭加原理法求解模型中的待定散射作用系數，得出任意布置管束的散射聲場特性，並具體計算鍋爐換熱器管束單元聲波散射遠場聲壓分佈和近場壁面的聲強分佈，最後分析由於聲波的多重散射作用而對聲波吹灰的影響。 -
The submarine structure is simplified to single or double infinite cylindrical shell stiffened with rings, bulkheads and stringers, focusing on underwater sound radiation from the single shell. the shell motion is described by donnell ' s theory including excitation forces and reactions of rings, bulkheads, stringers and fluid, which leads to the fluid - structure coupling vibration equation. expressing displacements by velocities, applying modal expansion circumferentially and fourier transformation longitudinally result in the shell ' s modal equations of motion
殼體的運動方程採用較為簡單的donnell理論描述，運動方程中包括了激勵力、加筋結構（環肋、艙壁和縱骨）和流場對殼體的作用力，從而組成流場-結構的耦合振動方程，並進一步將方程中的位移用速度表示，然後沿軸線方向進行fourier變換，將速度和各項荷載沿圓周方向進行模態展開，得到了殼體振動的模態運動方程。 -
For sound economy to sustain, it takes the efforts of the government, the business sector and individuals, with the efforts of the business sector serving as the driving force. therefore, focusing on business ethics in management has become a matter of priority, if a sound market economic structure is to take root, and if china hopes to see a sustainable and rapid economic growth
建立信用經濟需要政府、企業、個人共同努力，而這三者之中企業是原始的推動力，因此，要想建立完善的市場經濟體系，要想中國的經濟有長期的飛速的發展，企業在經營中要注重倫理成為當務之急。 -
Time reversal is a unique self - focusing technique for spatial and temporal focusing of sound in unknown environments
摘要時反法是一種新穎的自適應聚焦技術，它可以使聲信號在未知環境下實現時空聚焦。 -
In april of 1999, my tutor met the question that spherical conformation created sound focusing when he reconstructed the acoustics design of multi - function hall of wulingye in yibin
1999年4月，我的導師在改造宜賓五浪液酒廠多功能廳建聲環境時遇到了球形構造聲聚焦問題。 -
I achieve approximately the increment of sound level in sound focusing region relative to sound incidence ( ? lpc ), and make ascertain the sound pressure level in focusing region accurately. through draw the curve of wrap - up line equation with matlab program of computer software
文章最後總結出本文理論分析所得的幾個解析式和避免聲聚焦的設計原則，同時在理論和實驗上提出今後研究其它構造時的一些方法和方向。 -
Through analysing, he found that on the condition of incidence of the parallel sound wave different reflection regions make effects on energy focus per area in, at the same time he also made a sequence according ti the influencing degree of sound focusing on the different region
經過分析，發現了在平行聲波入射情況下，不同的反射區域內單位面積對聲聚焦能量的不同作用，同時還做出了不同反射區域對聲聚焦的影響嚴重性排序。 -
The influences that spherical conformation brings to the hall acoustics design are sound focusing and so on 。 in order to eliminate the defects such as sound focusing caused by spherical conformation, this kind of buildings need special acoustics deal. how to solve these problems of the common buildings effectively and economically is a title that deserving deep research
為了消除球形圍合面引起的聲聚焦等聲學缺陷，這類建築均需經過特殊的聲學處理，所以這類建築如何進行有效而又經濟的處理是一個值得研究的問題。 -
At the time of image processing, both size and shape of defects may be analyzed and measured according to the sound pressure distribution of focusing probe. and essence of the defects can be judged
在處理圖像時，通過對聚焦換能器聲場中聲壓分佈的特性分析獲得了缺陷的尺寸和形狀，由此判定缺陷的性質，實現了對缺陷的定性和定量研究。 -
Calculation of sound pressure distribution of sphere focusing supersonic field and its measuring experiment
球面聚焦超聲場計算與測量實驗
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