理論聲學 的英文怎麼說
中文拼音 [lǐlúnshēngxué]
理論聲學
英文
theoretical acoustics-
The model of the itr between a1n and cu is built by using the acoustic mismatch model, amm and diffuse mismatch model, dmm. because there is a limit of roughness and temperature in amm and dmm, the data of the theory model that is directly built by amm and dmm is far from the experimental data. accordingly, with dmm and traditionary methods, the mathematics model is posed by contrast and analyses of the experiment data
由於聲失配理論和散聲失配理論對溫度和粗糙度有很嚴格的要求,所以直接建模所得的理論數據與實驗數據有很大的差距,本文採用聲失配理論與傳統研究方法相結合,通過與實驗數據的分析擬合,提出了修正的數學模型,預測誤差有了大幅度的提高。Based on the algorithm, the modeling methods of complex situations such as curved surfaces, partial absorption, directional sources, multiple sources and various sound barriers, have been presented. then, the objective modeling ( parameter prediction ) and the subjective modeling ( binaural auralization ) of enclosed sound fields have been studied in detail. in order to verify the above algorithms, the results worked out by our computer program have been compared with those of measurement in real buildings, calculating by statistical method, modeling by other researchers and a kindred software
聲場視聽一體化是在封閉聲場參數預測( parameterprediction ) 、可聽化( auralization )和可視化( visualization )基礎上提出的一個新的概念,其本質含義是:在一定的聲學、數學和信號處理理論基礎上,通過建立三維聲場的計算機模型,實現從客觀聲學指標、主觀聽覺感受和直觀視覺效果三方面對三維封閉聲場進行綜合的預測和評價。The development that aims at popular chanson representative ' s " social music " as the need, educate the system modernization construct problem to the vocality to lead to go into the comparative level of " sing the method " to take into the analysis to resolve in a specific way
摘要在以大眾文化為對象、通俗歌曲為代表的「社會音樂」蓬勃發展中,將聲樂教學體系現代化建設的迫切需要與其現實存在的問題和矛盾,具體切入到美聲與通俗的「唱法」比較層面逐一加以分析、定性和理論把握。After reviewing the history and recent developments of the research on thermoacoustics, and introducing the classical thermoacoustic theory, we carry out the following investigations : 1 ) thermoacoustically driven pulse tube refrigerator ( tadptr ) experiments have been done on the self - built pulse tube refrigerator driven by standing wave thermoacoustic prime mover system
本文首先回顧了熱聲機械的歷史及現狀,詳細介紹了熱聲學理論基礎,重點研究了以下若干問題: 1駐波型熱聲驅動器驅動脈管製冷機在自行搭建的駐波型熱聲驅動脈管製冷機實驗裝置上進行了實驗研究。But it is not the same with surd or the alternation of sonant and surd. on the base of the acoustics, a whole linear time - varying discrete speech produce model is established through anatomising the factors including track, driving source and lip eradiation the mechanism of speech in this paper, and we draw a conclusion that the time between glottal closure is pitch period
本文從聲學理論出發,剖析了語音產生的機理,綜合考慮聲道、激勵源和嘴唇輻射三方面的因素,建立了一個完整的、線性的和時變的語音產生的離散系統模型,得出兩次聲門閉合事件之間的時間間隔就是基音周期的結論。The main research advances can be summarized as follows : ( 1 ) study the signal processing ' s performances and methods of homing torpedo system comprehensively, in order to setting up a corresponding mathematical models ; ( 2 ) analyze the ocean channel ' s effects on the work of homing system, then found some models such as target echo signal, noise ( including background noise, target radiating noise, etc ), ocean reverberation. according to them, simulate the array signal ; ( 3 ) the system structure, every function blocks composing are studied and founded thoroughly. then, discuss methods of signal processing in time domain and airspace domain ; ( 4 ) program the simulation software of torpedo ' s homing system according to the simulation models and flow charts, which connected with torpedo ' s control part
本文所作的主要工作及研究成果主要有以下幾個方面: ( 1 )對自導工作過程中的信號與信息處理的基本理論與方法進行了較為全面的研究,為建立一個較為完備的自導模擬系統提供了理論基礎; ( 2 )討論了自導系統工作過程中海洋通道對目標回波信號與目標輻射噪聲信號等的影響,建立回波信號的數學模型、環境場中的噪聲信號模型(包括海洋環境噪聲、目標輻射噪聲與魚雷背景噪聲等)與海洋混響模型,模擬產生了聲自導系統基陣接收到的回波信號與噪聲信號; ( 3 )深入研究並建立了自導模擬系統的總體框架,給出各個具體功能模塊組成,討論了聲自導系統對信號的時域與空域處理,並結合模擬程序中陣列信號處理模塊,給出固定多通道波束形成的模擬實現過程; ( 4 )根據系統的模擬模型與已建立的模擬流程圖編制了通用魚雷模擬器自導系統模擬軟體,通過網路與控制系統相連,組成完整的魚雷模擬器。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。In addition to delineating why untestable intelligent design is equivalent to the spoon - space - travel hypothesis above, judge jones harangued the school board for its “ breathtaking inanity ” in requiring an antievolution, pro - id statement to be read in public school science classes
除了解釋禁不起考驗的智慧設計論,就跟上述咖啡匙空間旅行的理論沒兩樣之外,法官瓊斯還形容學校理事會要求在公立學校的科學課堂上,朗讀反演化論、支持智慧設計論的聲明,是難以置信的愚蠢。The economist j. m. keynes once remarked that those economists who disliked theory, or claimed to get along better without it, were simply in the grip of an older theory.
經濟學家JM凱恩斯曾說:那些不喜歡理論的經濟學家,或者聲稱沒有理論會做得更好的經濟學家,只不過是受到某種舊理論的支配而已。In this paper matlab and vb are used to build a software which can predict absorption coefficient ' s of the underwater anechoic coatings from these analytical models. finally, some algorithm of the single parameter minimization, nonrestraint nonlinear minimization and restraint minimization in the optimization design theory are studied. the formulas of absorption coefficient of these analytical models are object functions
本論文利用各種解析模型的聲學設計理論,使用matlab與vb軟體建立了一套水下消聲覆蓋層吸聲系數預報軟體,研究了最優化設計中單參數最小化、無約束非線性最小化和有約束最小化理論的一些演算法,利用現有模型的吸聲系數計算公式作為目標函數,初步優化了一些結構的材料參數。The accuracy between the two groups is 93 %. conclusions ssg - cp is a safe method with few side effects in the diagnosis and therapy of tubal patency
結論超聲晶氧聲學造影安全可靠,副作用小,具有診斷與治療的雙重作用,是一種較理想的輸卵管疾病的診斷方法。The psychoacoustics and physiology of human beings are the theoretical foundation of virtual sound location research. human ’ s auditory system structure and auditory characteristics are introduced in this paper. these are research foundation for this paper
人類聽覺生理學和心理學是研究虛擬聲定位技術的基礎,本論文回顧了心理聲學相關聽覺系統以及聽覺特性,包括音頻定位因素的影響和哈斯效應,掩蔽效應等因素對多音疊加的影響,為本文奠定了研究基礎。Then, the method of measuring hrtf by mit and cipic laboratory is briefly reviewed. after that, by using sound wave scatter theory and rigid sphere model of head, a simple method for calculation hrtf is proposed. and validating that method through psychoacoustics experiment, and matching database for realizing individual hrtf
然後簡述了麻省理工學院和cipic實驗室測量hrtf的方法,通過聲波的散射理論以及利用人頭模型提出一種簡化的理論計算對頭部尺寸對聲音定位的影響進行了理論分析,並且利用心理學測試驗證利用匹配數據庫實現hrtf的個性化。To analysis and control the stage fright psychology of piano performance
論聲樂教學和演唱中的心理機制Now, drawing on new insights, theories, measurements and technologies ? and perhaps a bit of scientific bravado ? they are forecasting the shape of terra firma in the distant future
現在,憑藉新的洞見、理論、測量和技術,以及也許再加上一點科學上的虛張聲勢,他們正在預測遙遠的未來陸地的形貌。Now after the comprehensive analyzing of the essence and characteristics of nation images, the fact that images will not be formed without communication occurs to our sound mind. hence, the tactics of remedying passive images or forming active images of china in the mind of foreign public, must be sought in accordance with the objective rules of communication. such is the fundamental theory, in line with which four aspects of mass communication need discussing : communicator, audiences, information and media
因此本論文在分析了我國「對外宣傳」在中國形象遭到歪曲的聲浪中力所不逮的窘境的基礎上,重點推出一個與時俱進的概念「國家形象傳播」 ,意在通過信息(特別是真實信息)的傳播,來發揮我國媒介在國家形象構建中的作用,並根據大眾傳播學理論,分別從傳播者、受傳者、信息和渠道四個方面尋求矯正和樹立中國國家形象的策略。Under the direction of the sciences of auditorium acoustics, the paper researches on the auditorium acoustics of the digital conference hall. on the basis of analysising the theory background, the paper researches on the practical construction project. the basic task of is to study the physical conditions of interior acoustic wave transmission and acoustic processing method approach to ensure a good indoor heard
本文以廳堂音質的相關理論為指導,以數字會議廳堂為主要研究目標,以會議廳堂音質設計為主要研究內容,在總結了會議廳聲學設計中各個基本概念及廳堂音質設計的基礎上,對現代數字會議廳堂的音質展開深入的研究,並理論結合實際,對具體的工程項目進行廳堂音質設計與研究。Theoretical expatiate on general concepts and fundamental principles of information hiding and steganography, also point out possible directions for further research, also analysis the probability of speech as the host carry signal and efficient masking characteristics of psycho - acoustic model, it is shown that : there is an improvement on imperceptibility according to human auditory masking effect
闡述了信息隱藏技術和隱寫技術的重要概念、基本理論以及廣闊的應用前景。分析了將語音信號作為宿主載體信號的可行性,參考心理聲學模型的特性,得出結論:基於人耳聽覺掩蔽效應的隱寫演算法,在隱蔽性上有很大的提高。It was through precise mathematical deduction, data imitation, and analysis to experimental data that this topic is studied. this dissertation is theoretically instructive and practically useful, to a certain extent, to the traveling bubble cavitation noise around a schiebe body
全文通過嚴密的數學推導,模擬和實驗數據分析等方法實現對這一課題的研究,對于回轉體流動泡類型的空化噪聲具有一定的理論指導意義和現實應用價值。Consequently, we design and develop this system to meet the demands. although some deficiency and imperfectness, it is really an excellent attempt to integrate the basic music theory into modern computer information technology which can be said to fill up the blankness in this field
開發這套「和聲基礎規范鍵盤測試的cat系統」正是順應了這個需要,是信息技術與音樂基礎理論教學相整合的一次很好的嘗試,也可以說是填補了該領域的一項空白。分享友人