駐波線 的英文怎麼說

中文拼音 [zhùxiàn]
駐波線 英文
standing wave line
  • : 動詞1. (停留) stay; halt; stop 2. (住在執行職務的地方; 設在某地) be stationed; encamp
  • : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  1. If the velocity of atoms is near to zero, the light for ces will tend to confine the atoms near to nodes and antinodes. the stability depends on the magnitude of the negative slope of the light force, the depth of the potential well and the momentum diffusion coefficient. it is important to select the parameters, e. g

    如果通過激光冷卻能使原子速度降至很小甚至為零,光壓力的作用將使原子被較穩定地囚禁于激光場的節點和反節點處,其穩定程度取決于該處光壓力曲負斜率的大小、對應勢能的勢阱深度以及動量擴散系數的大小,因此,如何在實驗中合理選擇激光強度、失諧量等顯得尤為關鍵。
  2. The key technique include nip signal ' s generation, serial port 422 communication, control system data acquisition and processing, stationary wave ratio of antenna, sending and receiving signal ' s attenuation of antenna and so on

    其關鍵技術包括nip信號產生, rs - 422串口通信,控制系統各模塊數據採集和處理,機載天比及收發信號衰減測量等。
  3. In tins paper, a new type of standing - wave linear usm with square - ring vibrator was presented, which had two contact surfaces and a support structure with four flexure hinges for the power output

    摘要利用有限元分析軟體對方環形直超聲電動機的振子進行了動態設計,提出了一種環梁式雙接觸面的振子結構,該振子採用柔性鉸鏈與支撐結構連接,實現力的輸出。
  4. Abstract : a new waveguide which can change the wide wall of a rectangular waveguide into a symmetric arc wall is named as a cam - rectangular waveguide. comparing to sectoral waveguide, the new waveguide has the same voltage characteristics and is easier to be produced and fixed. an approximate formula of the dominant mode fields and the normalized conductance of a longitudinal resonant slot cut in the curved wall of a cam - rectangular waveguide are given. a resonant slot linear array in c & x band is designed, in which the slot voltage distribution is equiphase and the input is matched. the input voltage stationary ware ratio and the h - plane pattern of the antenna are measured. the experimental results show the conformance with theoretical results

    文摘:把常用的矩形導一個寬面改成圓弧形構成的導稱為圓突-矩形導.這種導與扇面導相比:電性能相當;導管結構更加簡單,容易加工,便於安裝.文中給出圓突-矩形導中主模場,圓曲面上縱向槽歸一化諧振電導近似公式.設計了c和x導曲面縱向諧振縫隙陣,縫隙電壓相位為同相分佈,輸入端匹配.實際測量了天輸入端電壓比和h面方向圖,理論與實驗相吻合
  5. The influences of stator ' s teeth on vibrating modal of the linear standing wave usm are discussed in this paper, in which eigenfrequency and wave - shape are analyzed while the position and geometry dimension of stator ' s teeth are changed, and it can give some advice on design for standing wave linear ultrasonic motor

    摘要本文對一類直超聲電機振子的振動模態進行了系統的分析,討論了定子齒的位置、幾何尺寸對直型超聲電機的固有頻率、振型的影響,為該類型直超聲電機的設計提供了理論依據。
  6. A analysis of these effect to the pattern is presented. in the mean time, the method of correcting the phase errors is given by shortening or lengthening the section of sinuous feed line between couplers from the normal value. 6. the reflection characteristic of a serpentine is analyzed where the coupler is replaced by the equivalent of two ports loss network

    提出了用有耗二埠網路來等效導耦合器的方法,對由耦合器、饋電導和導彎頭級聯的慢系統的特性進行了分析計算,針對慢在設計測射頻率上大反射問題,討論了多種解決辦法。
  7. It realized multi - octaves broadband, flat intraband gain, low standing wave ratio, long linear range and dynamic range

    實現了多倍頻程帶寬、確保帶內增益平坦、小、性范圍和動態范圍大。
  8. Many technologies of electrically small antennas and wide band antennas are discussed in theory, simulation and experiment. and some novel electrically small or wide band antennas are proposed. the loaded monopole is analyzed in depth integrating the genetic algorithm ( ga ) with the method of moments ( mom ) in order to increase the gain and decrease the vswr of antennas used at hf / vhf band

    在本論文的研究過程中,通過合理利用各種現有的天寬帶化和小型化的理論成果、有效的綜合各種技術措施,運用矩量法和遺傳優化演算法等數值方法,深入研究了加載單極子天問題,旨在全面提高高頻/甚高頻頻段內的天增益和降低電壓比,以獲得較高增益的、基本滿足要求的小型超寬帶天
  9. Definitions of radio frequency transmission lines ; mean characteristic impedance, mean standing wave ratio

    電傳輸路的定義.平均特性阻抗平均
  10. The joining device of 7 / 16 ( l29 ) type has whorl to join the organization, its characteristic is the power, the capacity is large, voltage little to stay bob, three steps it pays to be superior to transfer performance, kind airtight have, suitable for radio, tv aerial system, jump line join and microwave communication system present cable connection spend mainly

    型連接器具有螺紋連接機構,其特點是功率、容量大,電壓比小,三階交調性能優越,氣密性好,可供廣播、電視天系統、跳連接以及微通訊系統主饋電纜連接用。
  11. A 1 / 10 - scale model quasi - fractal rcl - loaded monopole antenna was fabricated and measured, which has a bandwidth ratio of about 10 : 1, with vswr less than 3. 0, calculated system gain greater than - 9. 4db and the efficiency above 14 %

    加入寬帶匹配網路后,對其10 : 1的縮比模型天進行了測試,在全頻率段內系數小於3 ,理論增益大於- 9 . 4db ,效率大於14 % 。
  12. Instantaneous propagation of the voltage sum of forward wave and backward wave, namely the standing wave, is not standing still except in case of total reflection

    傳輸上瞬時弦電壓等速傳播之正向與反向合成之,除非是全反射,並非如其名稱停不前。
  13. The lna is one of the most important and broad components in microwave communication system receiver, and is used to amplify the low level signal. as the first signal processing block after the antenna, the lna determines the noise figure and input voltage swr and greatly impacts the dynamic range

    低噪聲放大器( lna )廣泛應用於微接收系統中,是重要器件之一,主要用來放大低電平信號,由於是自天下來第一個進行信號處理的器件, lna決定了整個系統的噪聲性能和電壓比vswr ,並對動態范圍有著較大的影響。
  14. Analytical results proves the existence of the two needed bend standing wave which generate traveling wave in the ring - type structure with two linear portions, and also confirms the existence of traveling wave through the harmony response analysis

    採用有限元方法對帶有兩個直段的超聲馬達進行了分析,分析結果表明長環型結構上存在著產生行所需的兩個彎曲
  15. By analyzing the principle of traveling wave, this paper point out that the traveling wave of the rotational motor generates by two same types and frequencies standing wave superimposition, while the traveling wave of the ring - type motor degenerates by two standing wave of extremely approaches in frequencies

    通過分析行產生的原理,指出旋轉型馬達的行是由兩個同型同頻的疊加而成,而長環型直馬達的行是由兩個模態頻率十分接近的疊加而成。
  16. In chapter 2, two kinds of physical models, traveling wave monopole model and standing wave dipole model, are set up as well as information theory models

    其中第二章建立了行單極子模型和偶極子模型兩種物理模型;第三章研究了計算機陰極射管顯示器電子束的電磁輻射。
  17. The non uniform variation along the line of the input impedance calculated from phasor voltage to current ratio is conformed with that calculated from the phasor ratio of one plus the reflection and one minus reflection along the line

    數值驗證,由電壓與電流之相量比及由沿傳輸一加反射與一減反射相量比計算所得之輸入阻抗,沿傳輸之不均勻變化是一致的。
  18. Loading the antennae with matching networks will not only decrease the vswr at the ports of the receivers, but also reduce the influence of the mutual coupling

    加載匹配網路不但能降低接收機埠的比,還能有效地減弱天之間互耦的影響,改善系統性能。
  19. The impedance match must be extremely good because at the frequency that the antenna beam ~ vork on the broad - side position, the reflcctions from all the bends add in phase to produce a large input vswr. in addition, a poor design of thc bends leads to high - power breakdown

    中使用了大量的導e面180彎頭,系統對其特性提出極高的要求,文中用高頻模擬軟體( hfss )優化設計了導e面180彎頭。
  20. Because the microwave field in simple milo is n mode along the axis and the field is of the standing wave structure. the tapered slow wave structure is introduced to make the field in the downstream of interaction space have a travelling wave structure and easily make the microwave energy transport out of the device

    我們在milo的陽極慢結構葉片上引入了漸變結構,將形式的電場改變為行形式,微在軸方向不再保持模式,有利於微能國防科學技術大學研究生院學位論文量的輸出,此項改進對工作主頻影響不大。
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