水聲傳播 的英文怎麼說

中文拼音 [shuǐshēngzhuànbō]
水聲傳播 英文
propagation of underwater sound
  • 水 : 名詞1 （由兩個氫原子和一個氧原子結合而成的液體） water 2 （河流） river 3 （指江、河、湖、海、洋...
  • 傳 : 傳名詞1 （解釋經文的著作） commentaries on classics 2 （傳記） biography 3 （敘述歷史故事的作品）...
  • 播 : 播名詞（姓氏） a surname
  • 水聲 : 1. [物理學]underwater sound2. （水發出的聲音） sound of water
  • 傳播 : 1 （廣泛散布） disseminate; propagate; spread; （over）; diffuse; transmit; run 2 [物理學] propag...
  1. In water sound traels nearly fie times as fast as in air

    聲音在水中的傳播速度幾乎是在空氣中傳播速度的五倍。
  2. 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
  3. The following results were found, i. e., the water ratio affects obviously the acoustic wave velocity of rock sample ; the wave velocity is higher in saturated rock samples than in unsaturated ones ; and it decreases gradually with the strain of samples during uniaxial compression ; and also with the lengthening holding time at 160 ; when heating the samples the acoustic wave velocity increases slightly in initial stage and comes to the peak value at 60, then decreases gradually with increasing temperature ; meantime, there is a certain temperature effect on rock samples size

    實驗發現含水率對波速影響比較大，飽和巖樣的聲波傳播速度高於不飽和巖樣的聲波傳播速度；人工預制裂紋對聲波傳播速度影響不大；單軸壓縮條件下，聲波傳播速度隨應變增加逐漸降低；在同一溫度（ 160 ）下，波速隨保溫時間的增加而逐漸降低；在對巖樣逐漸加熱情況下，初始加熱階段波速略有升高，當溫度達到60時，巖樣波速達到峰值，之後隨著溫度繼續升高其波速逐漸下降；波速隨溫度變化具有一定的尺寸效應。
  4. The experimental data are in good agreement with the calculated results of the model by analysis of the data of the laser pulse of different energy induced the laser plasma shock front by acoustics means. in addition, the calculated results of the model are in good agreement with the experimental data by optics means

    同時設計應用聲學方法對水中不同能量的脈沖激光作用下產生的激光等離子體沖擊波波前傳播過程進行測試及數據分析，對光學陰影方法探測的激光等離子體沖擊波近場波前傳播數據進行詳細分析，結果表明新模型計算結果與實驗測量值一致。
  5. To utilize property of saws propagating, it can be made including delay lines, passband filters, oscillators and pitch filters. surface transverse wave ( stw ) was used the configurature of reflective metal - strip grating between the two interdigital transducers, and made the shear horizotal ( sh ) wave on the surface of the piezoelectric substrate, but not to deep in

    聲表面橫波（ surfacetransversewave ，簡稱stw ）是採用在兩個金屬叉指換能器之間加入短路柵的隔離板結構使剪切水平波（ shearhorizontalwave ，簡稱sh波）被嵌制在壓電基片表面上，而不是沿壓電基片內傳播的聲表面橫波形式。
  6. Household and similar electrical appliances - test code for the determination of airborne acoustical noise - part 2 - 4 : particular requirements for washing machines and spin extractors

    家用和類似用途電器.測定空氣傳播的噪聲的試驗規程.第2 - 4部分:洗衣機和離心式脫水機的特殊要求
  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. Underwater - radio buoy system for use as obtaining the ocean ' s acoustical parameters is primary for investigating ocean acoustic condition, obtaining and recording acoustic propagation experimentation data

    海洋環境參數獲取浮標監測系統主要用於海洋水聲環境的綜合考察，獲取和記錄水聲傳播試驗數據。
  9. Its principle is on the basis of ultrasonic wave theory ; spurt water column is the medium of ultrasonic transmission

    它用超聲波原理進行檢測，以噴流的水柱作為超聲波傳播的介質。
  10. Spurt water column not only is a good coupling medium of ultrasonic, but also can get rid of impurity, such as power, vapor and oil film on the surface of the measured object, so this sensor can adapt various environments

    因為水柱不僅是超聲波傳播的良好介質，還可將被測物表面的粉塵、水汽、油膜等雜質吹走，使系統具有良好的環境適應能力。在惡劣環境下進行位移測量時，該傳感器具有其他儀器不可比擬的優越性。
  11. The sparker was originally developed for fundamental studies of underwater sound propagation and of subbottom geology.

    火花發生器原來是為了進行關於水下聲波傳播及海底地質的基礎性研究而製造的。
  12. The data on underwater acoustic spread and ocean environment noise, obtained by the buoy system, have been kept by some navy database as ocean environment base data

    浮標監測系統所獲取和記錄的水聲傳播試驗數據和海洋環境噪聲數據已經作為海洋環境基礎數據被海軍有關數據庫存錄。
  13. The underwater - radio buoy for use as obtaining the ocean " s acoustical parameters, applied for synthesis experimentations that seeing about ocean underwater acoustic environment, can obtain and memorize the data of underwater acoustic transmitting experimentations

    海洋環境參數獲取浮標監測系統主要用於海洋水聲環境的綜合考察，獲取和記錄水聲傳播試驗數據。
  14. The underwater - radio buoy for use as obtaining the ocean ' s acoustical parameters, applied for synthetic experimentations that seeing about ocean underwater acoustic environment, can obtain and memorize the data for all kind of underwater acoustic experimentations, for example, acoustic propagation, reverberation, ocean ' s noise etc. the system can not only reduce requires in quantity of using ships and scales in military strength equipment but also keep away from ships environments, reduce background noise and increase the quality of the gathered data

    海洋環境參數獲取浮標監測系統用於海洋水聲環境綜合考察試驗中，獲取和記錄水聲傳播試驗數據。該系統不但可以減小參試艦船數量要求，降低兵力配備規模，而且可以遠離艦船環境，降低背景噪聲，提高所採集數據的質量。因此，浮標的研製對于保證未來海試完成既定試驗目標、順利完成試驗項目具有重要意義。
  15. Development in the field of projector design is spurred on mainly by three motivating forces : the extensive research in underwater propagation establishes the advantages of increasing lower frequencies for long range detection, the advent of new active and structural materials leads to substantial improvements in transducer performance, applications of the computer technology

    發射換能器設計的發展主要有三方面的推動力：對水聲傳播的廣泛研究確立了低頻應用於長距離探測的優勢，新的驅動材料和結構材料的發展使得換能器在性能方面得到提高，計算機技術的應用。
  16. The dissertation is devoted to the study on the characteristics of underwater acoustic channels for mine. based on the comprehensive analysis on the characteristics of underwater acoustic channels, the research on the parameters of target sea area, the acoustic model, the characteristics of underwater acoustic transmission and the parameters of capability of long - range remote control receiving system is systematically conducted through theoretical analysis, computer simulation and testing of circuit

    本文對遠程遙控水雷系統將要應用的水聲通道的傳播特性進行了分析，在對遠程水聲通道特性進行全面分析的基礎上，通過理論分析、計算機模擬、硬體電路的實驗等對目標海域通道的水文參數、聲場分析所用的聲場模型、聲傳播特性和遙控接收系統性能指標進行了系統、深入的研究。
  17. The propagation characteristics of underwater acoustic channels and their influences on long - range information transmission are studied thoroughly. based on the sonar equation, the optimal frequency band is abtained. from the calculation about transmission loss, the source level is forecasted. based on the random time varying channel theory, the fading characteristics of long - range underwater acoustic channels are analyzed

    系統、深入地研究了水聲通道特性及其對水聲遠程信息傳輸系統的影響；從聲納方程出發，確定了系統的最佳工作頻段；在聲傳播損失計算的基礎上，給出了聲源級的預報；基於時變通道理論，描述了遠程水聲通道的衰落特性。
  18. The velocity of ultrasonic in water can be changed along with the change of the temperature. it will bring bigger inaccuracy and can not reach the requirement of system if the temperature factors are not considered in

    超聲波在水中傳播的速度會隨著溫度的變化而他變化，如果不考慮溫度對超聲波速度的影響將會帶來大的誤差，滿足不了系統的要求。
  19. Then the important reference are provided for the optimal system design and technical parameters selecting of long - range underwater acoustic information transmission system. 2. the underwater acoustic channel model based on ray theory is studied, and in combination with the system function of coherent multi - path channel, the method for underwater acoustic channel response prediction through eigenrays finding is obtained

    研究了基於聲線理論的水聲通道聲場模型，分析並模擬了在多種不同聲速條件下的聲線傳播以及不同海底狀況下的聲傳播；結合相干多途通道的系統函數，通過求取本徵聲線進行了水聲通道響應的預測。
  20. Synthetic aperture technology origins from radar field firstly. the main reasons for its unsuccessful application in sonar are the low sound speed ( compared with light ), irregular carrier movement and the complexity of underwater acoustic environment

    合成孔徑原理最早來源於雷達領域，但它在水聲領域的應用遠不如在雷達領域應用得成功，其原因主要在於水中相對較低的聲傳播速度（相對于光波波速） 、聲吶載體的不規則運動和水聲環境復雜性的影響。
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