起振 的英文怎麼說

中文拼音 [qǐzhèn]
起振 英文
start-oscillation
  • 起 : 起Ⅰ動詞1 （站起; 坐起） rise; get up; stand up 2 （取出; 取走） draw out; remove; extract; pull 3...
  • 振 : 動詞1. （搖動; 揮動） shake; flap; wield 2. （奮起） brace up; rise with force and spirit
  1. Recent experiments have succeeded in obtaining oscillations from the new system, with frequencies of 66hz and 23hz for the cases with helium and nitrogen as the working fluids, respectively. the traveling wave system is expected to be one of the good candidates as a driver for pulse tube refrigerator, leading to a thermoacoustically driven pulse tube refrigerator without any moving component

    還利用deltae對環路部分進行了數值模擬分析，著重討論了系統的起振臨界溫度與臨界加熱功率、效率與加熱溫度的關系、噴射泵的作用以及不同工質（氮氣和氦氣）的比較等，得出一些有益的結論。
  2. Rigid rotor is unbalancing if its axis of rotation is not uniform with its central principal inertia axis, . unbalance imposes cyclic forces on bearings and shafts, producing vibaration, even damaging machinery

    剛性轉子的旋轉軸線如果與其中心主慣性軸不重合，則此轉子是不平衡的，不平衡將會在軸承上產生周期性慣性力，引起振動，甚至損壞機器設備。
  3. Hysteresis is not only found for the temperatures, due to the difference between the onset and damping temperatures, but also for the input heating power, i. e., the critical onset power is also different with the critical power for the damping process

    此外，還發現熱聲起振和消振過程中的臨界溫度和臨界功率都存在滯后現象。基於對滯后現象的分析，提出了一個混合驅動源熱聲驅動器的方案。
  4. Ceramic material had better performance than steel and copper and the shorter the stack, the lower the initial temperature for oscillation

    而從熱聲振動的方式來看，強制振動比自激振動具有更低的起振溫度。
  5. The feed - back provided by the reflected electron beams reduce the start - up current and the start - up time in a vircator, while the existence of klystron cavity improves the extracting efficiency, hence the radial reflex klystron oscillator with virtual cathode combines the advantages of both devices, becomes a compact, efficient set

    利用虛陰極反射電子束對調制腔的正反饋，可以減小起振電流和起振時間，而且提高了微波產生效率。它是一種結構簡單，緊湊，不需要引導磁場的器件。
  6. Minyu low head screens are horizontal screens to which an extremely powerful linear vibrating motion is imparted by two unbalanced eccentric shafts and weights. the screens ecciciently handle a large amount of materials. resist clogging, and suit best for classifying small granules. some features of the mlh screen are as follws

    振動篩-振動篩是利用電動激振器或偏心軸偏心塊作為振動源，使物料在振動篩篩網上被拋起，振動篩同時向前作直線運動或做橢圓運動及復雜運動，以合理匹配的振動篩篩網達到篩分目的。
  7. 2 ) hysteretic loop emphasis has also been focused on the onset and damping behavior of the thermoacoustic oscillation. based on the acute review and analysis on the non - steady processes with hysteresis, a hysteretic loop is proposed and experimentally verified for the first time in the standing wave thermoacoustic prime mover

    熱聲振蕩滯后迴路在系統地考察其它非穩態過程特性的基礎上，首次提出並實驗驗證了熱聲起振和消振過程中存在「滯后迴路」 ，並對滯后迴路的影響因素進行了研究。
  8. When the shaker is working, its roller screen not only vibrates with the shaker deck, but also slowly rotates with the axis of itself, and the drilling fluids returned from annular space are separated inside the roller screen

    工作時篩網筒與篩箱一起振動，同時還繞自身軸線作緩慢的旋轉運動，從環空返回的鉆井液進入篩筒內部進行分離。
  9. Obstruction or vibration in the movement of roving traverse

    粗紗導紗器的往復運動引起振動。
  10. It is an effective way to solve this problem by combining piezoelectric quartz crystal sensor array with chemometrics. however, there were few reports in designing electric circuit, which would influence the response due to mutually interfering between oscillators. so, it is necessary to design a vibration circuit and develop it into small and convenient instrumentation to overcome this limitation

    另一方面，單一的具有選擇性的傳感器在實際多組分氣體的檢測中受到限制，而採用壓電石英傳感器陣列再結合化學計量學手段進行數據處理卻是解決這個問題的一個有效途徑，然而在它的電路設計方面，由於共振電路間的相互影響，使檢測受到很大幹擾，因此設計一個相互無干擾的起振裝置來解決這個問題是十分有必要的。
  11. The analyses given in this paper to quasi - three - level for 946 nm laser are complete. the relation between 946 nm laser transmission and optimal crystal length has been derived from the rate equations describing the population inversion and the photon density in the laser cavity in the steady - state case. the minimal claims to coating have been given on the base of contrasting 946 nm transmission with 1064 nm transmission in the condition of different cavity losses and how the pump beam radius in the laser crystal and optimal crystal length affect the laser threshold and output power of 946 nm laser has been given as well

    對產生946nm譜線的準三能級結構給出了較為完整的分析，利用激光諧振腔處于穩態時的速率方程，導出了準三能級nd ： yag946nm起振時，透射損耗與最佳激光晶體長度的關系，在與1064nm透射損耗相比較的基礎上，給出了不同的腔損耗情況下的最低鍍膜要求，並且給出了激光閾值、輸出功率和最佳激光晶體長度及泵光光斑大小的關系，這為設計室溫下高效運轉的946nm激光器的提供了理論基礎，這種分析方法對研究此類低增益，準三能級或三能級激光系統輸出特性有借鑒意義。
  12. In comparison with standing - wave heat engine, it has lower onset temperature and higher pressure ratio, which is of great significance for introducing a variety of energies of low quality into thermoacoustic engines, such as solar energy, waste vapor energy and so on

    該熱聲發動機比純駐波型熱聲發動機具有更低的起振溫度、更大的壓比及更高的熱聲轉換效率。
  13. Due to applying double beams, the velocity spread is lower because of smaller influence of space charge compared with single beam mig. in the interaction region this beam is easy to start oscillation and reject mode competition effectively

    與單注磁控注入槍相比，雙注槍可以提供速度零散小、高束流的電子注，在互作用區更容易起振，且能更好的抑制模式競爭。
  14. This paper researches the numeric approximation characteristic of series - parallel fuzzy system and points out that the number of fuzzy rules should not exceed the number of the samples. in addition, the influence of approximation error and system initial error on the performance of the series - parallel fuzzy system is also investigated

    本文研究了串並聯方式模糊系統的數字逼近特性，得出結論：當模糊規則數等於樣本數時，已經可以實現精確插值，因此模糊規則條數不能超過樣本數目，否則將冗餘，並可能引起振蕩，削弱模糊系統的泛化能力。
  15. Previously the vibration line marker adopts the equipment and materials imported from japan for application. now shenyang liyuan company has successfully developed the self - contained protruding vibration line marker. the product ' s quality has reached the international standard like the same rank of the product around the world through a large amount of application for vibration lines

    振動標線過去全採用日本進口設備和材料進行施劃，現在沈陽立元公司成功研製出自走式凸起振動標線機，使用該機進行了大規模振動標線施工，產品質量穩定，達到國際同類產品的水平。
  16. The results show that the output power decreases with the increase of the diode voltage in the range of 330 ~ 425kv. the input current exist a start value and also an optimum one. they are in the range of 20 ~ 25ka and 28 - 31ka, respectively

    結果表明，在33okv ~ 425kv范圍內，微波功率隨二極體電壓增大而減小; rtto存在起振電流和最佳電流，其值分別在20 ~ 25ka和28 ~ 3ika范圍。
  17. The resonance network is connected to the gate, then the output and input matching network is designed to satisfy the oscillation criteria. then harmonic balance method is used to analysize and optimize the output power and phase noise. to minimize the load pulling effect a buffer amplifier is designed to isolate the oscillator and the load

    本文在場效應管fet柵極上加上諧振網路（諧振網路是通過cst模擬得到的，它是串聯反饋迴路，介質工作在te01模，對于其後的fet ，它又相當於一個帶阻濾波器） ，然後設計輸入輸出匹配電路，使電路結構滿足起振條件，之後繼續用諧波平衡法模擬和優化，使振蕩器輸出功率合適，相位噪聲很低。
  18. In addition, the effects of stack structure and material property on the performance of the thermo - acoustic engine in terms of the critical temperature ratio were examined

    結果表明，合理設計板疊的結構和合理選擇板疊的材料，可以使得系統在較低的溫度下起振。
  19. For these reasons, ceramic resonator can start up more quickly than quartz crystal

    正是基於上面的原因，陶瓷震蕩子能夠比水晶快速起振。
  20. ( 2 ) the fascinating thing is that the on - set temperature of the engine is 105 ?, which is the lowest one in the field

    （ 2 ）以氮氣做為工質時，同軸型行波熱聲發動機獲得最低的起振溫度105 ，這是國際上最低的起振溫度。
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