水流矢量 的英文怎麼說
中文拼音 [shuǐliúshǐliáng]
水流矢量
英文
current vector- 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...
- 流 : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
- 矢 : Ⅰ名詞1. (箭) arrow 2. (尿) excrement; dung; feces 3. (姓氏) a surname Ⅱ動詞(發誓) vow; swear
- 量 : 量動1. (度量) measure 2. (估量) estimate; size up
- 水流 : 1. (江河) rivers; streams; waters2. (流動的水) current; water flow; fluent; flow; [水文] stream current
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( 4 ) the correlations are significant between the sth position index and the general circulation. in the westerly ( easterly ) year, equatorial westerly is weaker ( stronger ), cross - equatorial flow is weaker ( stronger ), south china sea summer monsoon is weaker ( stronger ), the yangtze river valley westerly is stronger ( weaker ), which has the positive ( negative ) effect on the maintenance of rain band over the yangtze river valley, so the rainfall is more ( less ) in this area and it is hit by floods ( droughts ), vice versa
( 4 )本文運用定義的副高指數研究了六月份副高偏東偏西年份的大型環流特徵及其對我國東部天氣的影響,風矢量場和相關場分析結果表明:副高偏西(東)年,赤道西風減弱(增強) ,越赤道氣流偏弱(增強) ,南海夏季風偏弱(強) ,而長江流域西風增強(減弱) ,有(不)利於雨帶在江淮流域維持,該地區降水偏多(少)易澇(旱) 。Q vector divergence field submit piece form district of convergence and divergence, have reflected meso - scale character. in the interface of convergence district and divergence district of q vector divergence, accompany severe convection precipitation and convection precipitation strengthen following convergence center strength, weaken following divergence center weaken
在對流層低層q矢量散度輻合區和輻散區的交界處,伴隨有較大的對流性降水,對流性降水的強度隨輻合中心強度的增強而增強,隨輻合中心強度的減弱而減弱。Usually, single vector sensor will obtain infinite gain if noise energy flow can be counteracted in whole space
在理想情況下,若噪聲場為各向同性噪聲場,則通過聲能流長時間積分,單個矢量水聽器便可獲得無限大的增益。In this thesis, based on a digital signal processor tms320f240, a controller for pmsm is researched an designed. we analyzes the mathematics model of pmsm, researchs vector control of pmsm and space vector pwm, discusses the controller of position, speed and current, designs the mrfas position controller, pid speed controller and pid current controller, sets up pmsm ac servo control system, designs dsp controller, and develop the corresponding sofeware. at last, the designed controller is simulated under matlab / simulink, and the results are gived
分析了水磁同步電機的數學模型,研究了永磁同步電機的矢量控制方法和空間矢量脈寬調制原理,討論了位置環、速度環和電流環的控制方法,設計了模型參考模糊自適應位置控制器、 pi速度器和pi電流控制器,組建了永磁同步電機交流伺服控制系統,設計dsp控制器,並開發了相應的軟體。最後在matlab simulink環境下對系統進行了動態模擬,並給出了模擬結果。Piv measures vector fields of continuous phase ( current field ) by measuring tracking particle which traces current field. ptv measures disperse phase ( bubble ) velocity, this technique realizes simultaneity measurement of two phases
Piv演算法通過示蹤粒子測量連續相(水流流場)的矢量場, ptv演算法對分散相(氣相)進行量測,實現了兩相的同時測量。In this paper, based on summarizing previous numerical studies on wave transformations, several works are documented : based on the mass conservation equation and euler ' s equation, the extended form of boussinesq equations is derived by using the velocity at an arbitrary water depth as the independent variable, and several terms are added into governing equations to model the effects of bottom friction, wave breaking and subgrid turbulent mixing
本文在總結概述前人關于boussinesq方程波浪數學模型研究進展的基礎上,主要做了以下幾點工作:從質量守恆方程和euler方程出發,以某一水層處水平速度矢量作為獨立變量,推導出包含底摩擦耗能、波浪破碎效應和子網格湍流效應的改進型boussinesq方程。Results of experiment b demonstrate that a convergence zone of wind vector and water vapour with dense pressure gradient is formed alone the coast after tc ' s outer circulation encountering land, which results in more precipitation
試驗b的結果顯示,熱帶氣旋外圈環流與陸地接觸後到中心登陸前後,沿海岸線一直存在一條氣壓梯度相對密集的風矢量、水汽輻合帶,引起該處降水增多。Based on the acoustic energy flow detection, the spatial energy flow suppression can obtain time - space gain in direct proportion to time - bandwidth product, which is just the main advantage of the vector transducer
基於矢量水聽器的聲能流檢測器利用空間聲能流抵消技術相對于聲壓檢測器可獲得與時間帶寬積成正比的時空增益。The most obvious feature of the first leading term of eof applied to the climatic vertically integrated water vapor flux over asian - australian monsoon region shows a planetary - scale southwesterly moisture transport, starting from south hemisphere, passing over asian monsoon region and flowing into north pacific, which indicates the interaction between the northern and southern hemisphere as well as between mid and low latitudes in the northern hemisphere
( 3 )亞澳季風區氣候平均狀態下4 - 9月份的水汽通量的eof矢量展開的第一特徵向量最顯著的特徵是存在一條行星尺度的強西南風水汽輸送帶,它源於南半球低緯地區,經過亞洲季風區,進入北太平洋地區,集中反映了南北半球和中低緯各支水汽輸送氣流的相互作用。In the first place, the study processed data of remote sensing and non - remote sensing to be digital, vector, raster and imagery geocode, established geographic database of soil erosion, and calculated elements " pixel maps of soil erosion. secondly, by using model builder of arcview to establish dynamic survey model of soil losses in longchuan river drainage basin. at last, to obtain maps of status & the forecast maps for soil conservation
首先通過遙感與非遙感資料的數字化、矢柵化及圖形圖像地理配準,建立了水土流失地理數據庫,並運算出水土流失各因子像元圖;在此基礎上,憑借arcview子模塊modelbuilder的支撐,建立龍川江流域水土流失動態監測模型;最後運行該模型獲取水土流失現狀圖和防治預報圖等結果圖件,完成了研究區1998 、 1999年水土流失定量遙感監測任務。Subsequently, the waves induced forces and their driven effects on currents are studied in detail. in the discussion of the effects of currents on waves, according to the wave radiation theory and the law of wave action conservation, the equivalence of none vorticity condition of the vector of wave number in constant wave field and fermat theory is testified. the dynamic and kinematics effects of background currents on waves are introduced concisely
在流對浪的作用討論中,依據波動的射線理論和由變分原理導出的波作用量守恆定律,闡明了穩定波場波數矢量的無旋條件與費馬原理的等價性,扼要討論了背景流場影響海浪的運動學效應和動力學效應,首次指出水位(包括天文潮位與風暴潮位)變化對海浪成長與消衰的影響,為流浪潮聯合數值模式的發展提供必要的理論依據。分享友人