acoustic technique 中文意思是什麼

acoustic technique 解釋
聲學技術
  • 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。
  • technique : n. 1. （專門）技術；（藝術上的）技巧，技能。2. 手法〈如畫法，演奏法等〉。3. 方法。
  1. Monitoring damage of arch bridge suspender using acoustic emission technique

    聲發射技術在拱橋吊桿損傷監測中的應用
  2. 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。
  3. So acoustic echo cancellation ( aec ) technique has become a hotspot of competition in famous communicaton company all over the world. however, it is not always easy to implement acoustic equipments for communication system with satisfactory speech quality

    回波消除技術能有效地解決長距離電話網路、 ip電話、免提電話和視頻會議等通信系統中的回波問題，很好地改善了語音通信質量，具有廣闊的市場前景。
  4. The progress of acoustic emission testing technique

    聲發射檢驗技術進展
  5. Test technique of acoustic excitation presented in this paper can discriminate if the adhesive structure is intensional enough to endure certainty draw strength, through a series of process, for example bringing draw strength to bear on adhesive structure. testing signal through microphone array, choosing signal ' s character, recognizing automatically through manual nerve network, and so on

    本文介紹的粘接構件聲激勵檢測方法，通過對粘結結構施加微力、陣列傳聲器檢測信號、信號的特徵提取、人工神經網路的分類識別等一系列過程，完成了粘接結構承受拉脫力合格與否的無損預報。
  6. Piezoelectric acoustic wave sensing technique has been applied to numerous fields, including analytical chemistry, life science, environmental monitoring and surface sciences because of it ' s small size, high sensitivity, simplicity, low power consumption and broad sensing spectrum

    壓電聲波傳感技術因其靈敏度高、響應譜廣、結構簡單和成本低廉等特點已經被廣泛應用於分析化學、生物化學、環境監測及分子生物學等眾多領域。
  7. In order to achieve high data rates on the severely band - limited underwater acoustic ( uwa ) channels, bandwidth - efficient modulation techniques must be employed, together with some sophisticated signal processing algorithms, such as adaptive equalization technique for the intersymbol interference caused by channel multipath propagation

    在帶寬嚴重受限的水聲通道中實現高數據率通信，必須使用高帶寬利用率調制技術，並結合自適應均衡等技術以有效地克服通道多途傳播產生的符號間干擾。
  8. Using a combination method of the lifting surface theory and acoustic technique, the effects of different diameters, skews and rakes on the discrete noise of the propeller are studied by the numerical method and some useful results for engineering are presented in this paper

    利用升力面理論和聲學方法得到的離散譜噪聲的預報公式，對螺旋槳直徑、側斜、縱傾變化對離散譜噪聲的影響作了數值計算，並得到了工程上有實用意義的結果。
  9. Damage and fracture behavior of self - reinforced polyethylene ( pe ) composite under monotonic tensile loading were investigated by acoustic emission ( ae ) technique

    摘要用聲發射（ ae ）技術研究了聚乙烯自增強復合材料的拉伸損傷與斷裂行為。
  10. 2. a uwa communication system is designed, lake experiments are also conducted with several equalization methods being employed. one key of the techniques in underwater acoustic communication - synchronization technique is studied

    在吉林松花湖作了水聲通信試驗，驗證了上述演算法的模擬結論，並對水聲通信的關鍵技術之一的相關同步技術進行了分析研究。
  11. It is well known that array processing technique is a main branch of underwater acoustic signal processing and multi - target parameter estimation

    陣列處理是水下聲信號處理的重要組成部分，是進行水下目標參數估計的重要環節。
  12. At present, adaptive technique is widely applied in acoustic signal processing field

    目前，自適應技術是水聲信號處理領域應用最廣泛的技術。
  13. In this dissertation, the numerical computation for the acoustic radiation problem ( arp ) is studied deeply and systematically in the theory, method and the application technique, based on analyzing the situation of the home and abroad on the numerical computation for the acoustic radiation problem. the calculation formulas of the boundary element method ( bem ) for the exterior acoustic radiation problem in the full - space and half - space are deduced, based on the wave propagation theorem ; the arising of the non - unique solutions, which is associated with the application of the boundary integral equation ( bie ) in acoustic radiation problem, is analyzed and proofed ; the improved combined helmholtz integral equation formulation ( ichief ) is presented to overcome the non - uniqueness problem more effectively and reliably ; the determination of the singular integral coefficients on various occasions is analyzed ; the properties and treatments of the singular integrals with different orders axe studied ; the computation program of the cubic spline ichief is developed and its ability to overcome the non - uniqueness problem and feasibility to discrete the surface coarsely with the sufficient calculation precision are examined through examples

    第二章在聲波動理論基礎上，詳細地推導出對應于無限域和半無限域的外部振動聲輻射問題的邊界積分方程計算公式；根據fredholm積分理論，對利用邊界積分方程計算振動聲輻射問題過程中解的非唯一性的產生進行了分析和證明；改進了chief法以提高其克服解的非唯一性的有效性和可靠性；對不同條件下奇性系數的計算、強奇性積分的收斂性及其在變量替換時與普通積分的差異性、不同階奇性積分的計算、數值求積分等進行了研究；開發了三次樣條改進chief法計算軟體，並通過算例考核了該方法在特徵波數處克服解的非唯一性的有效性和在保證計算精度的前提下實現剖分粗化以提高計算效率的可行性。
  14. Compared with traditional transducer, the vector detection technique can get the acoustic vector signal ' s spatial direction information

    相對于傳統的聲壓水聽器矢量水聽器檢測技術能檢測到的包含空間方位信息的聲矢量信號。
  15. Aiming at the problems in the orientation, evaluation anj the testing system, in order to develop the ae source orientation technology, research the testing system fitting to the situation of our country, we carry out the study of new type of acoustic emission testing and technology of ae sources orientation with advanced electronics and computer technology, at the same time, carrying out the research of aptitude evaluation technique, get realization of convenience and visibility of ae technology

    針對目前檢測系統存在的差距和定位、評定技術的問題，本文結合先進的屯子技術及計算機技術，以期研究出符合本國國情的聲發射檢測系統，並改進聲發射定位方法、模式，同時開展智能評價技術研究，真止實現聲發射檢測的方便性利可視性。因此，開展新型聲發射檢測系統與定位技術研究只有重要的理論意義與實用價值。
  16. In the light of the theoretical technique of wavelet networks, we study the method for inversing the time difference of artificial acoustic wave ( t ) by using multi - scale decompositon of wavelet from seismic records

    摘要在討論小波網路理論方法的基礎上，研究了利用地震紀錄小波多尺度分解屬性資料進行虛井聲波時差反演的技術方法。
  17. The main works and results we have accomplished are as follows : 1 ) red - detuned locking of cooling / trapping laser to the cycling transition of cesium cooling has been accomplished by means of a double - passed acoustic - optical frequency shifting system and the technique of saturated absorption spectroscopy. the short - term residual frequency jitter is less than 350khz ; 2 ) automatic controlling system by computer programs has been established for laser cooling and trapping and cavity qed experiment. the laser and magnetic fields can be controlled by the acoustic - optical modulator and the electronic - controlled logic gate respectively

    具體如下： 1 ）採用了往返兩次通過的聲光頻移系統結合飽和吸收光譜技術的實驗方案，實現了冷卻俘獲激光頻率相對于銫原子冷卻循環躍遷的負失諧鎖定，短期頻率穩定度約在350khz以內，並可方便地調節其負失諧量而無須對后續光路再作調整； 2 ）建立了一套基於計算機程序控制的、銫原子激光冷卻與俘獲實驗所需的時序控制系統。
  18. This paper gives a brief description of the principle of the borehole acoustic televiewer survey as well as the related technique and deals with the data interpretation

    可根據工程的需要，提供多種綜合分析圖件，為大型工程的地基基礎的地質結構分析、評價提供可靠依據，在香港開展的工程中使用了鉆孔超聲波成像，取得較好的效果。
  19. In this thesis, the characteristics of underwater acoustic channel were analyzed, the mcm technique and the lfm signal which were used in the multicarrier modulation high bit - rate underwater acoustic communication system was discussed in detail, the important parts in system designing were examined

    論文對水聲通道特性進行了分析，就多載波高速水聲通信系統中用到的多載波調制技術、線性調頻信號進行了詳細論述，論述了系統設計中的重要環節。
  20. Then, introducing something about spread spectrum technique. and deciding to select direct - sequence spread spectrum ( ds ) in underwater acoustic communications by comparing ds to fh according to the properties of underwater acoustic channels. after that, discussing something about rake receiver, simulating the path - search algorithms, synchronization circuits and rake receiver in low speed underwater acoustic communications and analyzing some major factors influencing the performance of systems

    然後介紹了rake接收技術的基本原理，並對rake接收系統中的路徑搜索和同步系統進行了討論和模擬分析，另外還對rake接收技術在低速水聲通信系統中的應用作了模擬分析，並討論了一些影響rake接收系統性能的主要因素。
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