機場旋轉 的英文怎麼說
中文拼音 [jīchǎngxuánzhuǎn]
機場旋轉
英文
airport rotating- 機 : machineengine
- 場 : 場Ⅰ名詞1 (平坦的空地 多用來翻曬糧食 碾軋穀物) a level open space; threshing ground 2 [方言] (...
- 旋 : 旋Ⅰ動詞1 (旋轉) whirl 2 (用車床切削或用刀子轉著圈地削) turn sth on a lathe; lathe; pare Ⅱ名詞...
- 轉 : 轉構詞成分。
- 機場 : airdrome; airfield; airport; flying field; adrm; aerodrome
- 旋轉 : revolve; gyrate; rotate; spin ; revolution; revolvement; rotation; circumgyration; circulation
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Abstract : the far - field spot characteristics of laser converted by random phase plate are analyzed theoretically, including the shape, size, rotational symmetry and diffractive efficiency of the spots, as well as the distribution of subsidiary spot. by comparing the influence of phase element shape ( triangular, square and hexagonal ) on the characteristics, we found that the random phase plate with hexagonal array structure is more suitable for the beam smoothing in laser fusion
文摘:從理論上分析了激光經隨機位相板變換后在遠場的光斑特性(包括光斑的形狀、大小、旋轉對稱性、衍射效率以及旁瓣分佈) ,通過比較三種形狀位相元(等邊三角形、正方形和正六邊形)的遠場光斑特性,得知正六邊形位相元結構的隨機位相板更適合於激光聚變中的束勻化。Compared to the traditional converter, the new one can transform electric power from a static part to a rotary part without an electrocircuit connection, which makes the contactless power transform come true. one application of this converter is to supply a steady and regulable excitation circuit for synchronous generator by integrated its second winding with the motor while its primary winding is static. the thesis gives two methods of the rotating converter design paticullarly : flyback and fullbridge, and explains how the circuits are designed
通過理論分析、模擬分析和實驗驗證,得出這兩種旋轉變換器都能進行感應電能傳輸,但它們的傳輸功率是不同的,反激式旋轉換器最大隻能傳輸幾十瓦功率的感應電能,因此只能用在感應電能傳輸較小的場合,或者信號傳輸的場合;而全橋式旋轉變換器能傳輸較大的功率,可用於電機的新型無刷勵磁方案中。The experiment datum indicates that the feature parameters of mrf model have the rotative invariability for the texture image with small angle rotation
研究了小角度的旋轉和圖像噪聲污染對馬爾可夫隨機場模型的紋理特徵的影響。This paper presents our research in actuating in - vivo micro - robot based on the capsule endoscope platform by the external power. while seeking secure driving method we take several factors into account, such as driving environment, power transmitting and consuming, motion requirement and controllability, and locating technique. we mainly deal with driving the capsule with spatial gradient magnetic field, so we employ combined electro - magnetic coils, including gradient coils and homogenous coils, which have rotational dof around a translatable patient bed, to compose a controllable uniform gradient which act on the permanent - magnet embedded robot, thereby get an appropriate spatial force and torque to fulfill the anticipant locomotion such as move, stop, pitch and yaw
基於驅動環境、能量供給和消耗、驅動動作要求及驅動安全性與可控性,定位方案等多方面考慮,尋求安全可靠的腸胃檢查微機器人的外部驅動控制方法,並著重研究直接利用外磁場磁力驅動微機器人:在微機器人內部嵌入永磁性體,利用體外的組合電磁線圈產生加載電流控制的驅動磁場,其中外部的電磁線圈由多組梯度線圈和勻場線圈組合構成,通過繞病床的旋轉以及病床的平移共同控制微機器人所在位置的磁場強度及梯度,作用於微機器人內嵌磁體以獲得空間意義上的必要驅動力和調整轉矩,從而有效地完成驅動動作要求。Experience a day in the life of a sea lion at whiskers theatre. then it s time for balloon rides, fun on the carousel and games at tiny town
還可以在威威劇場內,親睹海獅一天的生活習性或登上升空奇遇? ?火車頭幻彩旋轉馬等機動游戲,暢快玩一圈!The paper analyses the particle radial separating speed in inertia field and the dropping speed in the gravity field, determines the relations among the separating critical diameter, the rotate speed of screw, airflow speed and the radial size of separating interface, establishes and work out the separating diameter which value the separating effect of the new equipment
根據物料的空氣阻力與離心分離理論分析了離心力場中粒子徑向分離速度及重力場中的粒子沉降速度,確定分離臨界粒徑與螺旋轉速、氣流速度及分離界面徑向尺寸等之間的關系建立了並求出了衡量此種新機型氣固二相流分離效果的衡量指標? ?分離粒徑。Abstract : in view of, in the modification and maintenance of petro - chemical unit, the limited working space and inability of available hoisting equipment to meet hoisting installation requirements, a simple and reliable hoisting tool used is introduced taking account of the construction conditions
文摘:在石油化工裝置大型設備的技術改造和檢修作業中,針對現場施工空間小、現有吊裝設備無法滿足施工要求的情況,介紹了因地制宜設置簡單可靠的吊裝機具,完成吊裝作業的方法?門架旋轉作業法的成功應用。When the prefabricated plant is under the viaduct, the monolithic box girder is lifted by the gantry crane and transported by the special rotary traversed platform, and then transported and erected by the bridge girder transporting and erecting machine
當預制梁場設在高架橋下時,採用提梁機提起整孔箱梁,通過特製旋轉式橫移平臺喂梁,運架一體式架橋機運梁和架梁。Stepping drive of synchronous motors, upgrading the design idea of stepping motors from combined electromagnet theory to rotary magnetic field theory, will make the capability and efficiency of the increment control system improved to a new level, which is the research purpose of ac step motion drive this paper begins with the direct torque control method for pmsm to expatiate ac step motion control theory distinctly
用同步電動機實現步進傳動;將步進電動機的設計思想從組合電磁鐵理論提高為旋轉磁場,使增量運動系統的容量和效率發展到一個新的水平,這就是交流步進傳動的研究目的。為了比較清楚地闡述交流步進理論,本文首先從永磁同步電動機的直接轉矩控制演算法入手來分析。Because the controller is easy to get the position of rotor by the encoder, we can continuously rotate the flux of the armature rotor by applying spwm method to the control system. the continuous rotation of the flux of armature make the output torque of motor has no ripple
由於通過編碼盤可以輕易獲得精確的電機轉子位置信號,故運用spwm調制方法可以使得無刷機的電樞磁場按照圓形軌道連續旋轉,從而實現輸出轉距無脈動。Considering the characteristic of vibration of rotary machines, this thesis makes a thorough discussion of forecasting the trend of vibration by a means of time series model, puts forward means of processing the nonstationarity, nonnormality and singular value of the field data and distinguishing their models to build a appropriate model and gets precise mulstep forecast to the trend of vibration
針對旋轉機械的振動的特點,本文深入討論了利用時間序列模型預測振動趨勢的方法,並提出了如何處理現場數據的非平穩性,非正態性,奇異值和模型類型判別方法,以構建合適的模型,實現對振動趨勢進行準確的多步預測。This system makes a breakthrough of traditional incremental motion control theories. it breaks the strict ambit between continuum and discrete, speed and position, rotation and step, the space vectors of stator magnetic field and rotor magnetic field are selected as the main control objects, incremental motion control and motion control are combined organically to make incremental motion control develop to large capability, high efficiency, high precision
這其中的交流步進控制理論打破了傳統的增量運動控制思想,打破了連續與離散,速度與位置,旋轉和步進的嚴格界限,以定、轉子磁場空間矢量為主要控制目標,將增量控制與運動控制有機的結合起來,使增量控制向大容量、高效率、高精度方向發展。Auto generator claw pole : the auto generator claw pole is the important constituent part of the auto alternator and is the major component which is used to form the rotating magnetic field
汽車發電機爪極:汽車發電機爪極是汽車交流發電機的重要組成部件,它是用來形成旋轉磁場的主要元件。Gsx series of rotating fine bar screen equipment , it ' s structure compact, continuously separate solid from liquid, it has been used wastewater preliminary treatment
產品簡介: gsx系列旋轉滾筒式細格柵是一種機體輕巧、連續、有效地去除污水中懸浮固體的專用機械。該設備適用於污水處理中需要固液分離的場合。In the investigation of virtual scene modeling techniques, the virtual scene modeling method based on camera rotating movement has the characteristic of simpleness and convenience
在虛擬場景建模技術的研究中,基於攝像機純旋轉運動的虛擬場景構建方法具有簡單方便的特點。The design of excitation power source based on principle of three phase step motor and pulse width modulation ( pwm ) technology, intelligent power model ( ipm ) is used for inverter switches, the output ac pulse used as excitation signals. the speed of rotation and magnetic intensity can be changed by regulate the exciting converted frequency and magnitude of exciting current. constant current is achieved by closed loop feed back
勵磁電源結合步進電機原理與脈寬調制技術,選用智能功率模塊ipm作為逆變開關器件,輸出交流脈沖勵磁信號,以調節勵磁轉換頻率和勵磁電流大小為手段,實現對磁場旋轉頻率和磁場強度大小的有效調節,並通過閉環反饋實現閉環恆流控制。As a new type of direct - drive motor with special structure, voice - coil actuator is characterized by being of high acceleration, high speed, smooth force, fast actuation and so on
在此基礎上分別給出了直線音圈電機和旋轉音圈電機的選型計算方法,並對音圈電機的應用場合進行了詳細介紹。Characters of the flow field of molten metal in mhd caster are s imulated and analyzed by means of numerical simulation. relationship between flow field of molten metal and the number of magnet poles, arrangement of magnet pole s, rotating velocity of magnetic field as well as helical arrangement of permanen t magnets is revealed. it can be used as reference for optimizing design of perma nent caster
利用數值模擬對不同磁場條件下的永磁鑄機金屬液流場特徵進行了模擬分析;揭示了金屬液流場與永磁體極數、磁極排布方式、磁場旋轉速率以及永磁體螺旋式排布之間的關系,為永磁鑄機的優化設計提供了參考依據。The application of developed software to the treatment of electromagnetic field computation results of permanent magnetic electrical machine indicates that the graphic can provide designers valuable figurative reference
結果表明,本軟體計算結果較為準確,對電機磁場旋轉的模擬效果較好。The memory of data result is finished dynamically. the data base management system ( dbms ) is built. the software is validated by analytical method and ansys
最後,分別用解析法和ansys對軟體進行了驗證,並對一臺樣機的磁場旋轉進行了分析。分享友人