水聲系統 的英文怎麼說

中文拼音 [shuǐshēngxìtǒng]
水聲系統 英文
sonar system
  • 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...
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 統 : Ⅰ名詞1 （事物間連續的關系） interconnected system 2 （衣服等的筒狀部分） any tube shaped part of ...
  • 水聲 : 1. [物理學]underwater sound2. （水發出的聲音） sound of water
  • 系統 : 1. （按一定關系組成的同類事物） system 2. （有條理的;有系統的） systematic
  1. Area electronic buoys system is a large - scale underwater sound equipment of tracking and locating moving objects such as submarines, torpedoes and ships. with advanced vector sensors as detective devices, it has excellent antinoise performance, and its signal noise ratio is high

    區域電子浮標系統是一套大型的水聲跟蹤定位設備，其主要任務是準確跟蹤和定位海上多個運動目標（如潛艇、魚雷、船隻等）的運動軌跡。
  2. The towed synthesize aperture sonar system will become an important weapon of our army in antisubmarine and antimine war and be applied widely

    拖曳式合成孔徑聲納系統將成為我軍反潛、反水雷的重要武器，具有廣泛的應用前景。
  3. They use industry - standard sound system design software like leap - 5, lms and clio while our laboratory utilizes smaart test hardware and software. we constantly update and upgrade ourselves with the latest software and diagnostic technology in these fields. lax reassures you that our products are of the highest quality found in the world of professional audio merchandise

    其享譽全業的系統數字音頻產品，以全面系統專業的推廣模式，新穎強大的功能，簡便的操作和傑出的電聲水準，獲得消費者廣泛的好評，並逐步成為未來專業音響發展的主流。
  4. 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。
  5. The thesis mainly consists of : in chapter 1, on the ground of demanding background of the task, illuminate the urgent and important of the system on the manufacture and the embattle form of the buoy and methods about the experiments during synthesis experimentations that seeing about ocean underwater acoustic environment

    全文從以下幾個方面進行了論述：在第一章里，從項目需求背景出發，說明研製本系統的緊迫性和重要性，概述了在海洋水聲環境綜合考察試驗中，浮標的布陣形式及實驗方法。
  6. A noise control in static hydraulic test for tubing

    油井管靜水壓試驗系統的噪聲控制
  7. The thesis analyzes the transmitting characteristic of the uwa channel, derives the propagation losses, eigenrays and channel impulse responses of uwa channel by use of the kraken normal wave mode and the ray trace algorithm based on velocity - depth curvilinear profile approximation. based on the analysis, a scheme of auto - replying lduwarc system by means of spread spectrum technique has been designed

    論文首先分析了遠程聲遙控通道傳輸特性，分別利用kraken簡正波和射線跟蹤模型對深海和淺海水聲通道的傳輸特性進行分析，對通道的多徑結構、衰落和環境噪聲進行了計算，並在此基礎上設計了基於擴頻技術的自主應答式遠程聲遙控系統方案。
  8. Presents the steady - state programming with constant coolant average temperature and constant live steam pressure, an ideal programming for marine nuclear power plant ( npp ), under which, both the coolant average temperature and the live steam pressure of nuclear steam supply system ( nsss ) are constant when the steady state operating condition is varied, and points out that in comparison with the steadysate programming with constant coolant average temperature, the ideal programming can improve the overall operating performance of npp effectively, especially in low - load range, for instance, raise the heat efficiency of npp, decrease the operating noise of main coolant pump, and improve the conditions of design, operation and control of the secondary loop system

    雙恆定運行方案是船用壓水堆核動力裝置的理想運行方案.在這種運行方案下，當裝置穩態功率變化時，冷卻劑平均溫度與蒸汽壓都保持不變，與通常採用的冷卻劑平均溫度恆定運行方案相比，有效地改善了核動力裝置的總體運行性能，特別是在低負荷運行時，可以提高裝置經濟性、降低主泵運行噪聲、改善二迴路系統的設計、運行和控制條件，這對于提高船用核動力裝置的運行可靠性和安全性具有實際意義
  9. The types of the detection equipments and apparatus are over 100, such as x - ray detector, r - ray detector, digital ultrasonic flaw detector, eddy current flaw detector, eddy current flaw detector, magnetic memory metal diagnostic instrument, acoustic emission testing an analyzing system, three - dimensional ultrasonic testing system, microcomuterhydraulic pressureniversal testing machine, metalloscope, portable direct - read spectrograph, have achieved the national advanced technology

    擁有各種檢測設備100多套，如射線探傷機、數字式超聲波探傷儀、渦流探傷儀、磁記憶金屬診斷儀、聲發射檢測及分析系統、三維超聲波檢測系統、便攜式直讀光譜儀、微機式液壓萬能試驗機、金相顯微鏡等，達到國內先進水平。
  10. In this paper, the main research works are as follows : 1 ) survey and analysis previous work in auv navigation and summarize : as the cumulate error, the dead - reckoning and inertial navigation systems ca n ' t be used without other modified system ; the acoustic navigation system is used only in small range, and is very expensive. 2 ) two important approaches in geophysical navigation techniques are summarized, one is terrain contour based navigation, this approach is investigated keystone today ; the other is image based navigation, due to no perfect image sensors and image seabed map, this approach has seldom been practised. 3 ) two important terrain contour based navigation algorithms has been applied to auv, one is match algorithm - based terrain contour match ( tercom ) ; the other is kalman filter - based sandia inertia terrain - aided navigation ( sitan )

    主要研究內容包括：一、總結分析了當前水下導航的常用方法和不足之處，指出基於航位推算的導航方法，存在著最大的問題就是導航誤差的積累問題，如果沒有修正系統，這種方法很難滿足使用要求；其次指出基於聲學的導航方法，造價昂貴，導航范圍有限，難以滿足自主水下航行器大范圍導航的需求；二、總結了當前水下地形輔助導航的主要技術路線，一是基於地形高程的匹配方法，這是當前研究的重點；二是基於地形圖像的匹配方法，由於缺乏良好的圖像傳感器，和可用的海底圖像地圖，目前這種方法還有待研究發展；三、將兩種地形高程匹配的常用方法應用到自主水下航行器上：以相關演算法為前提的地形輪廓匹配（ tercom ）方法和以卡爾曼濾波為基礎的桑迪亞慣性地形輔助導航（ sitan ）方法，前者演算法簡單可靠，但是導航精度不高，後者雖然精度比較高，但存在著演算法較為復雜、有可能發散和出現奇異值等問題。
  11. Based on research progress on economic value of ecosystem services, taking shenzhen for instance, the authors analyze the functions of ecosystem services such as conditioning climate, fixing carbon and releasing oxygen, preserving soil, keeping waterhead, purifying environment, and restraining noises. economic values of all the six kinds of ecological service functions are calculated

    綜述國內外生態系統服務功能價值評估相關研究進展，以深圳市為例，運用生態經濟學原理與方法，闡釋了生態系統調節氣候固碳釋氧保持土壤涵養水源凈化環境和減弱噪聲等生態服務功能，對其經濟價值進行評估。
  12. Meanwhile, the importance of different ecosystem services in urban areas is different. the function of fixing carbon and releasing oxygen is the most important, the function of conditioning climate is the second, and the functions of keeping waterhead, preserving soil, purifying environment, and restraining noises are the last important

    同時，城市生態系統各生態服務功能的重要性，由大到小依次為固碳釋氧功能調節氣候功能涵養水源功能保持土壤功能凈化空氣功能與減弱噪聲功能。
  13. Based on theories and methods of ecological economics, we explain the functions of ecosystem services in chengdu city, sichuan province of china such as conditioning climate, fixing carbon and releasing oxygen, preserving soil, keeping waterhead, purifying environment, and restraining noises, and estimate the economic value of it

    摘要運用生態經濟學原理與方法，闡釋了成都市生態系統調節氣候、固碳釋氧、保持土壤、涵養水源、凈化環境和減弱噪聲等生態服務功能，對其經濟價值進行評估。
  14. In order to be applicable to practical underwater systems, several kinds of the blind beamforming algorithms were discussed in this thesis, and direction - of - arrival ( doa ) estimation based on bbf is also discussed

    針對水下聲系統的應用背景，本文對盲波束形成演算法做了系統的分析與討論，並對基於盲波束形成的目標波達方向估計進行了研究。
  15. All these limitations influence the whole performance available in sonar systems. supported by the natural science foundation of china, this dissertation systematically studies beamforming techniques and beamspace high resolution bearing estimation algorithms with emphasis on sonar systems

    本文結合國家自然科學基金項目、 「九五」國防重點預研項目和實際水聲系統的研製，系統研究了聲吶波束形成與波束域高分辨目標方位估計技術。
  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. Signal estimation theory for discrete stochastic systems with multiplicative noises ( smn ) is very important in many applications such as oil seismic exploration, underwater remote targets detection and speech signal processing

    帶乘性噪聲系統的最優估計理論在石油地震勘探、水下目標探測、語音處理等諸多領域都有重要的應用價值。
  18. Experimental research of sound absorption by water fog in duct sound elimination system

    在管道消聲系統中水霧吸聲的實驗研究
  19. Early systems modeled the host data as a disturbing noise limiting the effectiveness of watermark communication

    早期的水印系統模型認為原始多媒體數據是限制水印有效通信的干擾噪聲。
  20. A new type of blind watermarking technology, which has the advantage of adopting watermarking embedding algorithm is introduced based on wavelet transform and cosine transform, so the original image isn ' t necessary when picking up watermarking and the transparency and robustness of digital watermarking system is well fulfilled, the attack in the forms of noise, median filtering and compress can be withstood, and high pass filtering and low pass filtering can also be endured

    摘要詳細介紹了基於一種新型的基於小波變換和餘弦變換的盲水印數字水印技術，這種方法的一個顯著的優點就是採用水印嵌入演算法，提取水印的時候不需要原圖象，能夠很好的滿足了數字水印系統的透明性和魯棒性，能夠經受住加入噪聲、中值濾波、壓縮等方式的攻擊，並且還能夠經受住高通濾波和低通濾波。
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