水聲擾動 的英文怎麼說

中文拼音 [shuǐshēngrǎodòng]
水聲擾動 英文
hydroacoustic disturbance
  • 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...
  • 擾 : Ⅰ動詞1 （擾亂; 攪擾） harass; trouble 2 （客套話 因受人款待而表示客氣） trespass on sb s hospital...
  • 水聲 : 1. [物理學]underwater sound2. （水發出的聲音） sound of water
  • 擾動 : excitation; turbulent motion; turbulence; destabilization; [物理學] perturbation motion; [地質學]...
  1. Osteoarthritis or rheumatoid arthritis treatment may involve electrical modalities e. g. short wave diathermy, interferential and ultrasound, traction, mobilization, manipulation, ice and hot treatment and some special exercises

    電療如交錯干擾中波電療和高壓間動電療，熱療如短波電療及熱敷等超聲波電療牽引療法俗稱拉腰拉頸手力治療水療冰療，運動及預防方法。
  2. According to their space position, the seismic features of shallow gas in this region can be divided into three groups : ( 1 ) features in the stratum : acoustic blanket, acoustic curtains, acoustic turbidity, irregular strong top reflection boundary, and phase pull - down in both flanks ; ( 2 ) features of the seabed : seabed pockmark and giant sunken pit ; ( 3 ) features in the seawater column : acoustic plumes, cloudy turbidity and point - line - type reflection

    該區的淺層氣地震特徵按空間位置分為3大類： （ 1 ）地層中的特徵：聲學空白、聲學幕、聲學擾動、不規則強反射頂界面、兩側相位下拉； （ 2 ）海底面的特徵：海底麻坑、大型塌陷坑； （ 3 ）海水層中的特徵：聲學羽流、雲狀擾動、點劃線反射。
  3. Cosmic ray test was carried out to choose and optimize working parameters of full - length prototype and its data acquisition system, verify the electronics system about dynamic range, drift time measurement search window, charge measurement integral width, work stability and electronics grounding and noise. in experiment, acquired abundant experience with the solution of actual problem and verified their reliability of physical design. this lays the foundations for the successful construction of the besiii drift chamber and electrical system

    測試過程中我們調整了電子學的動態范圍、漂移時間和電荷測量參數驗證了電子學系統工作的穩定性、抗干擾能力及噪聲水平等並成功解決了實驗過程中遇到了問題。通過長時間的取數進一步檢驗了全長模型和電子學系統工作穩定性，驗證了全長模型及其數據獲取系統物理設計的可靠性，為漂移室和電子學系統的成功研製奠定了基礎。
  4. Based on the analysis and study of the primary principle and countermeasure process of the underwater acoustic countermeasure equipments, the mathematical models of the typical underwater acoustic countermeasure equipments such as the wide - band noise jammer target radiation noise simulator echo simulator and the gas bubble are presented

    在詳細分析、研究水聲對抗器材有關基本概念、基本工作原理及對抗過程的基礎上，歸納、總結了噪聲干擾器、目標輻射噪聲模擬器、主動回波模擬器及氣幕彈等當前典型水聲對抗器材的數學模型。
  5. The self - - noise of underwater vehicles is one of the main interfere sources in sonar, which is compound of three kinds of noise inc1uding the machinery noise, the propel ler noi se and the water ki net ics noise

    航行體自噪聲是聲納的主要干擾源之一，它由航行體運動時產生的機械噪聲、螺旋槳噪聲和水動力噪聲幾部分構成。
  6. Two klimov tv3 - 117v turboshafts provide a top speed of 250 kmh and a range of 800 km. upto 2000 kg of disposable stores can be carried in a lower - fuselage weapon bay, and generally comprise two torpedoes or depth charges

    動力裝置為2臺tv3 - 117v渦軸發動機，單臺功率1660千瓦，可安裝吊掛聲納聲納浮標磁異探測器雷達告警接收機紅外干擾器，並可載魚雷深水炸彈等。
  7. When submarine curves close the water surface, the course is affected by the quasi white noise disturbances. the close water control structure is same with that in deep water. the simulations show that the control effects are close to the ideal situations

    由於在近水面航行時，航向所受到的主要是接近於白噪聲的干擾，所以採用了結構和水下相同的航向自動舵，由模擬曲線可看出控制效果比較理想。
  8. 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。
  9. The instrument adopts the theory of ultrasonic echo for quickly scanning river bed topography under water and employs the principle of resistance for measuring river bed topography upon water and shallow beach topography, which increases the measuring speed effectively and decreases the disturbing influence on river bed

    該儀器採用超聲測量原理實現了水下地形的無接觸快速掃描測量，採用阻抗原理實現了洲灘、邊灘、淺灘的地形測量，有效提高了測量速度，並減小了對河床的擾動影響。
  10. Based on this characteristic, whether a reference field is used or not has no effects on the ls solution is explained

    在此基礎上，根據不同的噪聲水平，模擬了4種不同精度的沿軌擾動位觀測值。
  11. Meanwhile, motion compensation method is used for amfp to improve the localization effect. with strong interferes at surface, non - stationary noise field and mismatch environment, subspace motion compensation method and efficient amfp system frame are proposed and confirmed by simulation and real data

    針對存在水面強干擾、非平穩噪聲場和海洋環境參數失配的一般淺海復雜水聲環境，提出了基於子空間分解的運動補償演算法和自適應匹配場定位的系統解決方案，並通過模擬數據和實驗數據進行了驗證。
  12. The forming mechanism of crosstalks in the tdm system was analyzed theoretically, and the relationship between crosstalks and the extinction ratio of optical pulse modulator used in the tdm system was investigated. the interchannel and intrachannel crosstalks in the wdm system were discussed separately, and the contributions to crosstalks were appraised from architecture ’ s alteration, the finite isolation between channels in multiplexers or demultiplexers, and nonlinear effects in the system. noises in the large - scale multiplexing system were studied theoretically, and all kinds of factors were considered that have relation to noises, phase resolution, and dynamic range of the system, such as multiplexing channel number, the length of the transmission fiber, using in - line erbium - dropped fiber amplifiers or not, and so on

    本文從理論上分析了光纖水聽器時分復用系統串擾的形成機理，分析了光脈沖調制器的消光比與系統串擾的關系;分別對光纖水聽器波分復用系統的異頻串擾和同頻串擾進行了理論分析，研究了光纖水聽器波分復用結構、波分復用器與解復用器隔離度等因素以及非線性效應對系統串擾的影響;對大規模光纖水聽器復用系統噪聲進行深入細致的理論分析，研究了系統噪聲、相位解析度、動態范圍與復用數目、傳輸光纖長度、中繼光纖放大器等諸多因素的關系。
  13. Furthermore, author designs some tests, such as diffusion speed test of stress in soil under static load and sound wave test. by these tests, author verified that sound wave test can measure the stress in soil. comparing those aforementioned tests, we can know that their conclusions is coherent, so those conclusions also verify the feasibility of measuring stress in soil by sound wave tests

    經理論以及試驗結果分析，靜荷載作用下土中應力傳遞速度試驗、聲波試驗以土中應力分佈傳遞規律的試驗及測試技術研究及前述室內模擬試驗，在土體含水量、密度變化情況下，三者所獲規律是一致的，初步證實聲波測試技術作為土中應力測試手段的可行性，為無損傷、不擾動測試土中應力做了探索性工作。
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