弧頻 的英文怎麼說

中文拼音 [húbīn]
弧頻 英文
radian frequency
  • 弧 : 名詞1. [數學] （圓周的任意一段） arc2. （古代指弓） bow
  • 頻 : Ⅰ形容詞（次數多） frequent Ⅱ副詞（屢次） frequently; repeatedly Ⅲ名詞1 [物理學] （物體每秒鐘振動...
  1. Comparison between medium frequency coating and multi - arc coating

    中頻鍍膜與多弧鍍膜效果的比較
  2. Insulators string for overhead lines with a nomina voltage above 1000v - ac power arc tests method

    標稱電壓高於1000b架空線路絕緣子串工頻電弧試驗方法
  3. After that, antiplane surface motion features of the shallow alluvial valley of small depth - to - width ratio are investigated in details. the results indicate that surface displacement amplitudes of alluvial valley will not reduce when the alluvial valley become shallow. the maximum amplitudes will move to high frequency with depth - to - width ratio becoming small

    在此基礎上，對小深寬比的淺圓弧型沉積盆地出平面地表運動特徵做了較深入的研究，結果表明盆地地表位移幅值不會因變淺而減小，最大反應會隨著盆地深寬比的減小而向高頻移動。
  4. Searching for a way to create an arc light for use on ac networks, tesla now found a new fundamental ideal on which to focus : high - frequency electrical phenomena

    在特士拉想辦法讓電弧燈搭配ac電路使用時，發現了一個嶄新的基本想法並且專注其上，那便是高頻電流現象。
  5. Multiple functions available ： start / crater arc current, increase / decrease time, base / crest value current, pulse frequency, pulse rate, post flow time, hf welding

    功能豐富：起始/收弧電流、上升/下降時間、基值電流、峰直電流、脈沖頻率、占空比、滯后關氣時間分別可調，高頻引弧。
  6. Multiple funcyions available : start / crater arc current, increase / decrease time, base, crest value current, pulse frequency, pulse rate, post flow time, hf / friction welding, water / gas cooling

    功能豐富：起始/收弧電流、上升/下降時間、基值電流、峰值電流、脈沖頻率、占空比、滯后關氣時間分別可調，高頻/接觸引弧、水冷/氣冷可供選用。
  7. Abstract : guiding accuracy of casting mould depends on structure and oscillation parameters, such as elastic deformation of guiding leaf - springs, play of bearings between linkages, stroke and frequency of mould oscillation, etc. in this paper, these factors are studied by means of kinetic and dynamic analysis of oscillating mechanism

    文摘:通過對連鑄機結晶器振動機構的運動學和動力學分析，研究了導向板彈簧的彈性變形、連桿軸承間隙等結構參數及振幅、振動頻率等運動參數對結晶器仿弧誤差的影響。
  8. Igbt power modules, 25khz inverterfrequency, fast response time, high arc stability, almost spatter - free welding

    採用igbt模塊，逆變頻率達25khz ，動態響應速度快，穩弧性能好，焊接飛濺極小。
  9. The algorithm of image processing is the key. due to anomalous welding seam, the intensive arc light, random breaking of the bubble and gathering of the gas in the welding area, the seam images captured contain a lot of noise. in this case the noise must be removed and the welding seam is positioned accurately

    本系統的圖像處理部分採用了ccd攝像頭和視頻捕獲卡，圖像處理的演算法是最關鍵的部分，由於焊縫圖像並不是十分規則，而且在焊接時還會受到強烈弧光、飛濺和工件表面狀況的影響，因此在這種情況下，必須有效的排除干擾把焊縫的中心位置準確找出來。
  10. In this paper, ansys, the software on finite element analysis, is made use of processing the static and modal analysis on the preliminary models and its " modified ones. by analyzing the results, we can conclude that the stresses on the components of the modified models are tended to equilibration and the location of the branches " brace can also influence stresses and translations on the branches. in addition, the values of the intrinsic frequencies on modified models " are larger than the ones on preliminary models, but the ranges of the frequencies on both models are almost same

    傳統的弧形閘門的支臂結構基本上都是三角架式的，這主要是因為按平面體系進行計算的傳統設計方法忽略了結構的整體性及弧形閘門的空間結構特點，設計得比較保守，而實際上，將其改為a型結構也存在可行性，本文是利用有限元分析軟體? ? ansys對原模型及修改模型分別進行靜態和固有頻率的計算，通過分析比較其結果可知，支臂改為a型后會使閘門的整體受力趨于均勻，即原模型受力大的部件其應力變小，而原模型受力小的部件其應力會變大；而且a型支臂的支桿在不同的放置位置對支臂的應力和位移變化也有一定的影響。
  11. Transitional feature of the arc and metal droplet in the welding process with steam shielded arc is investigated by means of analysing the waveforms of welding voltage and current under different welding regimes and it is found that there are two types of arc process behavor ? " arc starting - arc blowing out - short - circuiting " and " arc - starting - short - circuiting ". under the condition of constant diameter of welding wire and its feeding speed, the arc process behavor can be changed by adjusting the inductance of welding circuit as well as the voltage of power supply. if arc process behaves as alternative process of " arc starting - arc blowing out - short - circuiting " with minimum time duration of arc blowing out and maximum frequency of short - circuit transition, the welding process will be stable with less spatter and smooth weld bead

    通過分析不同焊接規范下的焊接電壓和電流的波形.研究了水蒸氣保護下電弧及熔滴過渡的特點，發現其電弧過程行為有「燃弧?熄弧?短路」和「燃弧?短路」兩種形式.在焊絲直徑和送絲速度一定的情況下，通過調節焊接迴路中的電感量和電源電壓，可以改變電弧的過程行為形式.若電弧過程呈「燃弧?熄弧?短路」交替進行，並且熄弧時間最短時，短路過渡頻率最高，在這種情況下，飛濺小，焊道成型好，焊接過程穩定
  12. In addition, electric field distribution of arc - quenching chamber is calculated in adopting anasys software and the largest electric field intention is analyzed under the impulsion voltage and infrequency voltage, then the size of insulation porcelain cover is determined

    採用anasys軟體計算了滅弧室電場分佈，並對沖擊電壓和工頻電壓下的最大電場強度進行了分析，確定了絕緣瓷套的尺寸。
  13. A novel current control mode pulse width modulation switched high frequency resonant arc igniting device is developed based on uc3842 and the principle is analyzed

    摘要採用uc3842設計了電流控制型脈寬調制開關式高頻振蕩引弧器，並對其工作原理進行了分析。
  14. Experimental results validated that this high performance arc igniting device developed provides with fast response and stable high frequency output voltage

    試驗表明該開關式高頻振蕩引弧器控制系統具有頻響快、輸出高頻高壓穩定的特點，是一種性能較好的開關式高頻振蕩引弧器。
  15. The variable polarity power supply circuit uses two stages full - bridge inverter, the former inverter is regarded as a constant - current source with fast dynamic response, and supplys energy for the second one, and the latter one is to produce variable polarity current excellently, and low - frequency pulse current by variable polarity power supply is used to reduce input energy and control the shape of weld bead while welding. a series of high - frequency pulse current is superposed on direct - current - electrode - negative ( dcen ) current through the high - frequency pulse power supply, which is used to compress the arc and improve process of crystallization

    其中變極性電源採用二次全橋逆變結構，一次逆變提供快速的響應速率並給二次逆變提供能量，二次逆變提供良好的變極性性能，使輸出能量最優化，並用其低頻電流特性減小電弧線能量，控制焊縫成形;高頻脈沖電源提供的高頻電流疊加在反極性電流dcen上，利用電流的高頻特性壓縮電弧，改善焊縫金屬結晶過程。
  16. In this thesis, a high - frequency variable polarity arc welding power supply was investigated, which consisted of two independent power sources, the variable polarity power supply and the high - frequency pulse one, having advantages both of them

    本文針對鋁合金焊接研製了一種新型電源，所研究的高頻變極性弧焊電源採用雙電源結構，由變極性電源和高頻脈沖電源組成，綜合了兩者的優點。
  17. The electrochemical impedance spectroscopy of nickel electrodeposition indicates that nickel electrodeposition occurs in two steps, the medium frequency inductive loop is ascribed to the relaxation of the electrode coverage by an adsorbed intermediate such as niohads, the low frequency capacitive loop may be due to the inhibition of nickel electrodeposition by adsorbed hydrogen. the mechanism and equivalent circuit of nickel electrodeposition were proposed on the basis of the analysis of electrochemical impedance spectroscopy

    不銹鋼電極上電積鎳的電化學阻抗行為表明氨絡合物體系鎳電沉積過程是二次放電過程，中頻感抗弧是由於中間吸附產物nioh _ （ ads ）的弛豫現象引起，低頻容抗弧可能是由於吸附氫原子對鎳結晶的阻滯作用引起，依據實驗結果提出了氨絡合物體系鎳電沉積的反應機理和等效電路模型。
  18. By the test of three - dimensional distribution, form character, rotating frequency and magnetic field intensity of rotating magnetic field, it showed that the magnetic field produced is a highly rotating magnetic field and mainly distribute on welding arc region, rotating frequency and magnetic intensity can be regulated through excitation power source

    通過對產生磁場的空間分佈，形態特徵，以及旋轉頻率和場強大小的測試證明該磁場是一個高速旋轉的磁場空間，而且磁場主要集中分佈在焊接電弧區域內，磁場的旋轉頻率和場強大小都可以通過勵磁電源進行良好調節。
  19. With the computer controlling the output of the digital signals and the analog signals, controls and adjusts startup, stop, turn and rotational rapidity of the transducer - electromotor and the strength of brake actuator ; installs the torque sensor on dynamical axis, and installs the encoder on non - dynamical axis of the dimensional globoidal indexing cam mechanism ; utilizes the virtual instrument language labview development the test and control system, with the computer real - time monitoring, late displays and storages the data of the test, and processes the data and analyses it

    利用計算機控制數字量輸出和模擬量輸出來達到控制和調節變頻電機啟停、轉向、轉速;控制制動器的啟停和加載力;在弧面分度凸輪的加載軸和空軸上安裝扭矩傳感器和編碼器;應用虛擬儀器語言labview開發試驗臺的測控軟體系統，用計算機進行實時監測與事後顯示與存儲，並進行信號處理與分析。
  20. There are arc - furnaces of all sizes, refiner furnace for casting steel in the forging workshops, and there are blast cupola and main frequency furnace for casting iron and copper

    鑄鋼鑄造分廠有各種噸位大中小電弧爐鋼包外精煉爐鑄鐵，鑄銅有沖天爐工頻感應爐。
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