acoustic method 中文意思是什麼

acoustic method 解釋
聲學法
  • acoustic : adj. 1. 聽覺的；聲學的。2. 助聽的；傳音的。3. 原聲的，不經過電子設備傳聲的。adv. -tically 在聽覺上；在聲學上。
  • method : n 1 方法，方式；順序。2 （思想、言談上的）條理，規律，秩序。3 【生物學】分類法。4 〈M 〉【戲劇】...
  1. The main contributions are as follows : ( 1 ) de ( differential evolution ) algorithm is proposed to invert the ocean acoustic parameters in shallow water in order to get faster and more accurate results than ga ( genetic algorithm ) and sa ( simulated annealing algorithm ). also a posteriori probability analysis method is applied to evaluate the uncertainty of inversion results. ( 2 ) maximum likelihood objective functions for broadband mfi are derived according to different conditions

    （ 2 ）根據不同的前提條件，採用似然比的方法推導了寬帶匹配場反演的最大似然目標函數；深入地研究了寬帶匹配場處理中的相干與非相干問題；在分析參數反演的敏感性之後，提出了淺海環境參數寬帶匹配場反演的多步優化策略，並與全參數反演方法進行了性能上的模擬比較。
  2. 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。
  3. The method of counterwork effectiveness of the uace has an important reference value for researching the uace and the underwater acoustic countermeasure system

    該效果評估方法對水聲對抗器材及水聲對抗系統的研究有著重要的參考價值。
  4. The intelligent mine will be the most important weapon system to defend arming helicopter hedgehopping in future war. passive acoustic detection technology is the key technology. with the researching of the national defence pre - researching project which is the research of acoustics compound fuse of anti - helicopter intelligent mine, this paper presents acoustic localization algorithm and discusses the affect of wind to the localization, then a method of how to correct the affect of wind has been studied, upon this a dsp software system has been designed

    智能雷彈是防禦超低空飛行的武裝直升機的重要武器系統，而被動聲探測技術是其關鍵技術，本文結合「九?五」國防預研項目「反直升機智能雷彈聲復合引信技術」的研究，對空間目標聲定位演算法和風對被動聲定位的影響及如何對這種影響進行修正進行了深入分析，並在此基礎上設計了dsp軟體系統。
  5. Hydrometry - measurement of discharge by the ultrasonic acoustic method

    水文測量.用超聲
  6. The basic principle and method of 3d stochastic modeling of sedimentary microfacies are discussed according to geological and acoustic impedance data of well - logging constrained seismic inversion, and a case study according to stochastic modeling of fluvial facies reservoir of the minghuazhen formation of neocene in a certain block of bohai bay basin is used to show the general process of this research

    摘要探討了綜合應用地質及測井約束地震反演信息進行三維沈積微相隨機建模的基本原理、思路與方法， ?以渤海灣盆地某區塊新近系明化鎮組河流相儲層?例，說明這一研究過程的基本步驟，包括井眼沉積微相解釋、測井約束地震反演、波阻抗與地質相的概率關系分析、隨機模擬方法選擇、地質統計特徵分析、三維隨機建模、隨機模擬預測的多解性評價。
  7. 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
  8. Surface transverse wave has the 1. 6 high frequency than rayleigh type surface acoustic wave ( using the same technology the frequency of devices of stw has about 1. 6 high frequency than rayleigh type surface acoustic wave ). the paper introduces the theory, design parament, technology and result expeiment of surface acoustic wave ( includes rayleigh surface acoustic wave and surface transverse wave, simple stw ) with low insertion loss, high q and researches the high frequency, low phase noise oscillator with 1ghz stw resonator as frequency element. and describes measurement method and finally experimantal result of the low phase noise surface acoustic wave oscillator

    本文研究了以低損耗、高q值聲表面波（其中包括聲表面瑞利波- - rayleighsurfaceacousticwave ，和聲表面橫波等）諧振器的工作原理、設計參數、製作工藝及其實驗結果，並且研究了以1ghzstw諧振器為頻控元件的高頻率、低相位噪聲聲表面波振蕩器，以及低相位噪聲聲表面波振蕩器的測試方法和最終的測試結果。
  9. 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。
  10. Measuring method of acoustic transmission characteristics for stethoscopes

    聽診器傳聲特性測試方法
  11. Wave based method for multi - domain acoustic analysis

    法在多域聲學分析中的應用
  12. New method for determination the environmental waste water was established by bulk acoustic wave impedance analysis technique, which is based on the inhibition of antibiotics to the growth of bacteria. the proposed method was applied to monitor the environmental wastewater

    採用聲波阻抗分析技術，基於某些抗生素類藥物對微生物生長的抑制作用，建立了測定廢水污染程度的生物學新分析方法，並用於環境廢水污染程度的監測。
  13. In accordance with the testing results and the analysis concerned, it is considered that the seismic wave method, borehole acoustic method and indoor rock mechanics test are feasible to evaluate the engineering quality of the foundation rock for the toe slab of the dam comprehensively, and the results can lay a reliable foundation for the accepting the foundation rock for the toe slab of the dam

    根據檢測結果與分析，認為採用地震波法、鉆孔聲波法以及室內巖石力學試驗綜合評價水電站大壩趾板建基巖體工程質量是可行的，其成果可為大壩趾板建基巖體驗收提供依據。
  14. This paper summarized several main research methods on this topic in our country, including " the determinant of laser - induced - damage of thin film by the scan of transmission and reflectance method ", " study of the phenomena on laser - induced thin film damage by photo - acoustic method " and " the measurement of damage threshold on optical thin film by diffusion method ", etc

    本文總結了目前國內幾種主要的研究方法，包括用透射反射掃描法檢測光學薄膜的激光損傷，用光聲法測定光學薄膜的破壞閾值，以及用散射法來測量光學薄膜的損傷閾值等。
  15. A i med at the badu ( k343 ) i arge seale i andslide in the nankun railway, geophysical exploration techniques such as seismic reflection of high resolution and geological radar are appi ied to detect the geologic characteristics of the landslide mass including 3d - conformation, perimeter, geometric parameters, si ippage pattern and distribution of displacement field in this dissertation. besides, acoustic method is used for detection of the former anti - slide piles and potency losing causations of the piles are analyzed and the sound geological conditions for upgrade of the piles are ascertained by the above investigations

    本文針對南昆鐵路八渡（ k343 ）大型滑坡，運用高解析度反射地震、地質雷達等地球物理探測技術對滑坡體地質進行了詳細的勘測，揭示了八渡滑坡體的空間形態、邊界與幾何參數、滑動方式以及位移場分佈特徵；同時，利用聲波探測對原抗滑樁進行了檢測，分析了失效原因，並查清了擬建抗滑樁地段的地質條件。
  16. Based on seismic wave method, borehole acoustic method and indoor rock mechanics test, the dynamic and static parameters of the foundation rock for the toe slab of the concrete face rockfill dam for shuibuya hydropower station are tested, and then the relationship among the rock quality, dynamic parameter and static parameter are established with the parameters obtained from the test, furthermore, the classification and the quality evaluation are made as well

    摘要採用地震波法、鉆孔聲波法以及室內巖石力學試驗法，對水布埡水電站面板壩趾板建基巖體進行了動、靜參數測試，並根據所獲的參數建立了巖體質量、巖體動力學和靜力學參數三者之間的相關關系，對工程巖體進行了質量分級和質量評價。
  17. Abstract : a research on theory and practice is conducted on the acoustic methods of discharge measurement in low head hydropower plant. taken hydraulic efficiency experiment in certain hydropower plant as examples, the general methods about how to locate the discharge measurement plane, install transducers and choose the integration methods are put forward. an improvement method is proposed finally

    文摘:從理論上和實踐上，對低水頭電站超聲波測流進行了較為詳細的研究，並以某水電站為例，對測流斷面定位、聲路布置和面積積分給出了一般方法
  18. 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。
  19. However according to the view of acoustics, click includes mixed frequencies, so further studies are necessary to investigate the physiological significance of amygdaloid modulating effect on the ascending auditory information at the cortical level. in this paper we firstly observe the characteristics of the acoustic response of neurons in a - i evoked by pure tone ; then investigate the influence of la stimulation on the acoustic response of these neurons and the physiological significance of such influence ; revea l the neural pathway mediating this effect with the neurohistological method ; and study the neurotransmitter and its receptor participating in this effect

    本文採用電生理學方法考察大鼠皮層a區神經元純音反應特徵，觀察杏仁外側核（ la ）對a區神經元聲反應的影響，運用神經組織學方法揭示介導這一影響的神經環路，採用多管微電極記錄結合微電泳技術的方法研究參與這種影響的神經遞質及受體，進一步探討了這種調制性影響的生理學意義。
  20. " l ' lle brief introduction of underwater acoustic channel and the cl1art of image transmission syste111, innovation of ti1is paper are given in the first chapter. basic technology and hardware using in this project are introduced in the seco11d chaptel transform methods, especially the wavelet transformation are introdtlced il1 the tl1ird cllapter. ii11age ' s coding methods are introduced in cl1apter four, witll tilem ti1e zero tree method is the el11pl1ases

    第一章給出對水聲通道特性簡介以及圖像信息傳輸的系統框圖、本研究創新之處；第二章介紹圖像處理的基本技術以及本研究的硬體環境；第三章介紹圖像數據的變換方法，著重介紹了小波變換涉及到的知識；第四章介紹圖像編碼，重點介紹了零樹法編解碼；第五章介紹本研究的軟體、硬體設計、對零樹法的具體改變。
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