水聲方位 的英文怎麼說

中文拼音 [shuǐshēngfāngwèi]
水聲方位 英文
asdic bearing
  • 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...
  • 方 : Ⅰ名詞1 （方形; 方體） square 2 [數學] （乘方） involution; power 3 （方向） direction 4 （方面） ...
  • 位 : Ⅰ名詞1 （所在或所佔的地方） place; location 2 （職位; 地位） position; post; status 3 （特指皇帝...
  • 水聲 : 1. [物理學]underwater sound2. （水發出的聲音） sound of water
  • 方位 : position; bearing; direction; points of the compass; placement
  1. Objective to test both normal adult fenrrets and mature ferretswhose pinna and concha had been removed bilaterally in infancy for their ability to localize sound relatively in the horizontal plane

    目的研究正常雪貂和自幼切除耳廓和部分外耳道的雪貂對水平方向聲音的相對定位能力，研究耳廓外耳道對它的影響。
  2. Conclusion this result shows that that the pinna and concha have almost no effect no sound localization in horizontal plane, which means spectral characteristic does not possihly dominate in horizorntal plane

    結論實驗表明耳廓和外耳道對水平方向的聲音定位幾乎無影響，也就是說在水平方向上的聲音定位，耳廓和外耳道的濾波、共振等改變聲波頻譜特性作用可能不明顯。
  3. The main work of the first part includes : introducing some methods of underwater sound positioning and analyzing their performance, analyzing the theory of measuring direction and distance of the target by three elements symmetrical and dissymmetrical array, comparing the measuring error of two kinds of array, and giving the theory of the generic arrays and discussing the phase wrapping and the distance wrapping in passive ranging

    對被動測距技術的研究工作主要包括：簡單介紹了水聲定位的幾種方法，並對其性能進行了分析對比，分析了三元對稱陣和非對稱陣測向測距的原理，對兩種陣型的測向測距誤差進行了對比分析，還給出了一般陣型測向測距原理，最後還對被動測向測距中存在的相位模糊和距離模糊問題進行了探討。
  4. The experiment shows mbid can produce the enhanced pressure field at hydrophone array, provide modal domain representation of pressure ( modal functions and horizontal wavenumbers ) and target ' s bearing ( plane waves ), and have good adaptive ability and robustness against mismatch

    實驗數據和模擬數據的結合驗證了模基辨識器不僅能夠產生增強的水聽器陣處的聲壓場表示，而且能夠輸出模域表示（模深度函數和水平波數）和目標的方位（平面波模型） ，也具有較好的自適應性及對失配的寬容性。
  5. Usually, there are three available accesses for location underwater, inertial navigation, dead reckoning navigation, acoustic tracking location

    從目前來看，應用於水下導航的方法主要有：慣性導航、船位推算導航、水聲定位系統等方法。
  6. This scheme constructs an underwater positioning system based on the combination of dgps and acoustical positioning

    該方案構建了由dgps定位和水聲定位相結合的水下定位系統。
  7. A method has been developed to calibrate the positions of the transducer and the transponder in the ultra - short baseline acoustic position system ( usbl )

    摘要提出了超短基線水聲定位系統（ usbl ）的校準方法，並用模擬數據進行了驗證。
  8. The underwater - radio buoy for use as obtaining the ocean " s acoustical parameters is a underwater acoustic signals record system which has long distance radio remote control and data transmit function. the technology key of the dissertation study is that under the requirements of the system the monitor and record equipment on the acoustic source vessel, the monitor and record equipment on control vessel command and control the work slate of the buoy system by radio data transmitting mode of short wave transmitter - receiver

    海洋環境參數獲取浮標監測系統屬于具有長距離無線電遙控?數傳功能的水下聲信號接收記錄系統，本論文研究目標的技術關鍵在於根據系統要求，指揮船和發射船監控記錄設備通過短波電臺以無線數傳方式，對浮標系統的工作狀態進行指揮和控制，浮標則通過同一短波通道向指揮船上報浮標方位、工作狀態、關鍵數據及非常狀態下的報警信號等。
  9. The acoustic pressure information and particle velocity information are used to study the direction of the arrival estimation by analyzing strong linear spectrum of the single target basing on cross spectrum method

    摘要利用矢量水聽器收集到的聲壓和振速信息，研究基於互譜法分析單目標的強線譜來進行目標方位估計。
  10. Researchers at the florida institute for human and machine cognition envision their work giving army rangers 360 - degree unobstructed vision at night and allowing navy seals to sense sonar in their heads while maintaining normal vision underwater - - turning sci - fi into reality

    佛羅里達人與機械認知研究所的研究人員設想他們能夠將科幻變為現實為陸軍突擊隊員提供夜間360度全方位無阻礙的感知；使在水下的海豹特種部隊用他們的腦袋來感覺到聲波，同時不會丟失普通的感覺。
  11. 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。
  12. Utts is an underwater acoustic tracking system which may operate either synchronously and asynchronously. its main task is to track and locate multiple underwater maneuvering targets accurately

    水下目標跟蹤系統是一個同步與異步工作方式兼容的水聲跟蹤定位系統，主要任務是精確跟蹤和定位多個水下運動目標。
  13. 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。
  14. And their performances are compared by simulation. the realization of phase - coherent modulation is studied, especially the carrier recovery. in order to improve the system performance, we consider a receiver which performs optimal phase synchronization and channel equalization jointly

    本文詳盡的研究了線性和非線性自適應均衡器的橫向結構和典型演算法（ lms和rls ） ，對其性能進行了模擬比較；對相位相干調制解調技術的實現，尤其是載波恢復的方法進行研究，將載波恢復系統和自適應均衡器的參數調整聯合起來，從而提高相干水聲通信系統的性能。
  15. This dissertation studies mainly the inversion of ocean environmental parameters by mfp ( matched field processing ). meanwhile, adaptive matched field passive localization in complex environment and discrete noise rejection with mfp are discussed

    論文從淺海環境參數反演、復雜水聲條件下的被動定位、以及匹配場用於空域離散噪聲干擾抵消等三方面展開，對匹配場的理論、方法及實驗驗證進行了深入地探討。
  16. The initialization method to achieve different equalizer delay local minimum is proposed for btea and se. comparison study using several uwac with different zero locations is made to demonstrate the equivalent of different initialization method for least mean square ( lms ) algorithm, btea, se and cma

    盡管常數模盲均衡演算法的初始化仍然是一個公認的未能解決的問題，但本文通過幾條不同零點位置的水聲通道，對比研究了自適應最小均方誤差演算法、倒三譜演算法、超指數演算法和常數模演算法的不同權向量初始化的等效性。
  17. At the basis of designing underwater geomorphological measurement system concrete plan, this dissertation makes study and analysis on its measuring depth of water sonar system and dynamic global position system. this dissertation simply and thoroughly introduces the state of underwater acoustic transducer and array. it covers the basic situation, the study benefits, the classification and role, analyses the performance index, designs the performance parameter relating to themselves performance synthesis and sonar equation

    論文在制定水下地貌測量系統技術方案的基礎上，論述了該系統中的水深測量聲納系統和動態定位系統（ dgps ） ，分析了水聲換能器及基陣的性能指標，確定了換能器及基陣的主要性能參數。
  18. There are several ways of estimating direction of arrival in use of the vector hydrophone : acoustic intensity detection, beam revolving and vector equations

    利用矢量水聽器進行方位估計的方法主要有聲強檢測、旋轉波束和矢量方程組等。
  19. For greatly overcoming the carrier phase rotation resulting from multipath underwater acoustic channel and large mean square error ( mse ) at convergent end of linear equalizer ( le ) based on higher order statistics, statistical equalization criterion based blind linear sign decision feedback equalizer ( lsdfe ) was proposed

    摘要為了克服多途水聲通道引起信號的相位旋轉及基於高階統計量的線性均衡器（ le ）收斂后均方誤差大的不足，提出了基於統計特性均衡準則的線性符號判決反饋盲均衡演算法。
  20. This thesis discusses on the post - processing of sonar signal which includes the search and location of the target, the pattern recognition and the neural networks classification, and also carries out a process of the sea test data with the post - process - programs to verify the validity of the pattern recognition with bp neural network, which helps to develop the sonar image processing and the image processing of other fields

    本文在完成課題中的顯示控制任務同時，對聲納信號後置處理，包括目標的搜索定位以及模式識別和神經元網路識別等內容，進行了論述，並利用後置圖像處理程序對正樣機海試數據進行處理，驗證了bp神經元網路下模式識別方法在水聲圖像處理方面的有效性，有助於聲納圖像處理以及其他領域圖像處理的發展。
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