諧振損耗 的英文怎麼說

中文拼音 [xiézhènsǔnhào]
諧振損耗 英文
resonance loss
  • : Ⅰ形容詞1 (和諧) in harmony; in accord; in tune 2 (詼諧) humorous Ⅱ動詞(商量好; 辦妥) come t...
  • : 動詞1. (搖動; 揮動) shake; flap; wield 2. (奮起) brace up; rise with force and spirit
  • : Ⅰ動詞1 (減少) decrease; lose 2 (損害) harm; damage 3 [方言] (用尖刻的話挖苦人) speak sarcas...
  • : Ⅰ動1 (減損; 消耗) consume; cost 2 [方言] (拖延) waste time; dawdle Ⅱ名詞1 (壞的音信或消息) ...
  • 損耗 : 1. (損失消耗) loss; wear and tear; deterioration; waste 2. [商業] wastage; spoilage
  1. Surface transverse wave has the 1. 6 high frequency than rayleigh type surface acoustic wave ( using the same technology the frequency of devices of stw has about 1. 6 high frequency than rayleigh type surface acoustic wave ). the paper introduces the theory, design parament, technology and result expeiment of surface acoustic wave ( includes rayleigh surface acoustic wave and surface transverse wave, simple stw ) with low insertion loss, high q and researches the high frequency, low phase noise oscillator with 1ghz stw resonator as frequency element. and describes measurement method and finally experimantal result of the low phase noise surface acoustic wave oscillator

    本文研究了以低、高q值聲表面波(其中包括聲表面瑞利波- - rayleighsurfaceacousticwave ,和聲表面橫波等)器的工作原理、設計參數、製作工藝及其實驗結果,並且研究了以1ghzstw器為頻控元件的高頻率、低相位噪聲聲表面波蕩器,以及低相位噪聲聲表面波蕩器的測試方法和最終的測試結果。
  2. For the limitations of traditional pwm hard switching circuit, a kind of zero of pair soft switching technology is introduced and the switching loss can be cut down by it and the reliability of inverter in case of high frequency can be improved also

    由於傳統pwm硬開關電路的局限性,本文採用一種雙零型軟開關技術降低開關以及在高頻情況下提高整機的可靠性。
  3. The design process consisted of computer design by circuit simulation software integrate with electromagnetic simulation software, fabrication of microstrip bpf 、 lpf 、 the match circuits, cavity and test. when rf frequency is 91 ~ 97ghz, lo frequency is 47ghz, power is 10 dbm. the best conversion loss of the 2 and 4 sub - harmonic mixer is 13. 5 db and 23. 5db which is shown in the test

    實測表明,在本為47ghz ,功率10dbm ,測試射頻帶寬為91ghz 97ghz時,二次與四次分波混頻器變頻最優處分別為12 . 7db和23db 。最後對實驗結果進行分析並提出改進措施。
  4. With the development of laser techniques, the optical cavity has played an important role on monitoring laser mode, measurement and narrowing of laser linewidth, laser mode cleaner, laser frequency stabilization, optical spectrum and cavity - qed etc., due to its advantages of ultra - low losses, high finesse and narrow linewidth

    隨著激光技術的發展,腔由於其腔內小、精細度高、線寬窄等特點,使得其在監視激光模式、測量並壓窄激光線寬、激光模式清潔、激光穩頻、激光光譜學、腔量子電動力學等方面起到重要的作用。
  5. Research on the dissipation factor measurement technique for the variable frequency test

    變頻試驗電壓下介質測量技術研究
  6. And it should be linear polarization in s direction by analyzing the relations between the reflection, absorption loss of optical thin film at oblique incidence and the polarization state, and at this time the brewster window made of very low - absorption material can be used

    通過對斜入射高反射鏡反射率、吸收與光束偏特性間的關系進行分析,表明腔內的本徵蕩最好應為s方向的線偏光,這樣光束輸出窗口還可採用布儒斯特窗。
  7. Dr is made of microwave ceramic with high dielectric constant and very low loss. using dr, the phase noise of an oscillator could be made to be extremely low

    介質器( dr )由高介電常數、低的微波陶瓷材料製作而成,它能極其容易地實現微波頻率源的低相位噪聲。
  8. By compared with the simulation results and the experiment results, we come to the conclusions that : ( 1 ) circuit with assistant network can widen soft - switching extent in lagging arm, reduces duty - cycle loss on the secondary, diminishes switching dissipation of inverter spot - welding power source. ( 2 ) the range of resonant capacitor, the important factor to soft - switching process, not only affects zero - voltage turn - off of power switches, but also affects the range of zero - voltage turn - on of power switches. so resonant capacitors must be considered according to many aspects ; ( 3 ) it easily fulfils soft - switching condition in lagging arm as leakage inductance of power transformer increases, but bigger leakage inductance of power transformer increases opening dissipation of transformer and decreases efficiency of soft - switching inverter power source

    通過模擬結果與軟開關點焊逆變器試驗結果的對比分析,得到了如下主要結論:採用輔助網路可以完全拓寬全橋軟開關逆變器的滯后橋臂軟開關范圍,減小了次級占空比丟失,降低了逆變電阻點焊電源的開關電容是影響軟開關工作狀態的重要因素,其大小不僅影響開關管的零電壓關斷,同時也影響開關管的零電壓開通范圍,因此,電容應該綜合考慮;功率變壓器漏感越大,越容易滿足滯后橋臂的軟開關條件,但是大的漏感也使變壓器的通態增加,降低了軟開關逆變器的效率。
  9. The simulation shows that, under inductor self - resonant frequency ( serf ), substrate loss is mainly caused by eddy current loss

    模擬驗證表明,在自頻率( self - resonantfrequency )范圍內片上集成電感襯底主要是渦流
  10. From the results, we can know that, the key way to raise the inductor quality factor and self resonance frequency is to less substrate eddy current loss. the simple model can accurately equal to each parameter on integrated inductor

    由模擬結果可知,提高集成電感品質因數與自頻率的主要途徑是要減小襯底的渦流,其簡約集總模型可較為精確的等效集成電感各埠電氣特性。
  11. Chapter two introduces the theory of optical cavity decay time method

    第二章介紹了時間衰減法測量無源腔總的原理。
  12. In this part, the high - frequency series inverter with resonant pole capacitor is introduced mainly. the current - exchanging processes of the inverter in different working modes are analyzed, how to reduce the switching loss is discussed, and the calculating methods of snubber capacitor c, factor angle switching frequency and pulse width pw are given in optimum switching process. and results of simulation and experiment verify the validity of theoretic analysis

    接著重點研究了含有極無緩沖電容的逆變器,對其換流過程中的不同工作狀態進行分析,討論了如何減小逆變器的開關,給出了最佳工作狀態下緩沖電容c 、感性角、開關頻率、觸發脈沖的脈寬pw的詳細計算方法,並通過大量的模擬和實驗波形證明了理論分析的正確性。
  13. The results show that the discrepancy of resonance frequencies, between lossy resonator and corresponding lossless ( ideal ) resonator, is increased as the losses are increased and the harmonic number is decreased

    分析結果表明:(或反)頻率與理想無時的相應值的偏差隨的增大而增大、隨序的增大而減小。
  14. We have demonstrated a novel voa based on high birefringence fiber loop mirror, which has many advantageous characteristics such as a simple structure, high flexibility, polarization independence, low insertion loss and low price, etc. experimental proof shows that it is convenient to realize the control of optical power by using this voa

    2 .利用雙折射光纖環鏡設計並製作了一個結構簡單的可調光纖衰減器,具有靈敏度高,偏無關,低插入和低成本等特性。實驗證明它可以很方便的控制光功率。 3 .提出了一種由布拉格光纖光柵和高雙折射光纖環鏡共同構成波長選擇器件的摻鉺光纖激光器。
  15. 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,利用激光腔處于穩態時的速率方程,導出了準三能級nd : yag946nm起時,透射與最佳激光晶體長度的關系,在與1064nm透射相比較的基礎上,給出了不同的腔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。
  16. A novel resonant pole zvt three - phase pwm inverter circuit for three - phase ac motor driving is presented. the proposed circuit has the feature of being more flexible with three inverter arms in zvt process. using only one resonant inductance, the inverter can not only reduce the power loss of inductance but also avoid possibility of unbalance in motor ' s three stator windings

    提出了一種針對三相交流電機驅動的新型極零電壓過渡三相pwm逆變器電路,該電路中三個逆變橋臂的零電壓過渡更具有靈活性,僅使用一個電感,既減少了電感又防止了電機三相定子繞組可能存在的不平衡問題,並且電感中殘余能量能夠回饋給電源;新型逆變器的輔助開關均工作在零電流開關條件下,並且控制邏輯簡單。
  17. That is why more and more people pay more attention to it. the technology applied in resonant dc link inverter ( rdcli ) is one of soft switching technologies. it makes the current or voltage in dc bus return zero periodically ; through resonant technology in the circumstance of switching change

    作為軟開關技術的一種應用? ?直流環節逆變器,在直流環節利用技術使母線電壓或電流周期性地回零,為開關在換流時刻提供零電流或零電壓條件,從而達到降低開關的目的。
  18. It is an extraordinary method for loss measurement, the lower the loss of the cavity, the higher the measurement precision

    這是一種非常規的測量方法,它的突出優點是腔的越低,測量精度也應該越高。
  19. Pms materials have many good properties such as high kp and qm, the good time and temperature stability of resonance frequency, and low dielectric loss at high frequency. pzn materials have excellent piezoelectric and dielectric performances near mpb

    Pms材料具有kp和qm高、頻率的時間和溫度穩定性好、高頻下小的特點,而pzn材料則在準同型相界附近表現出優異的介電、壓電性能。
  20. Low df, stable capacitance, the linear capactance change with temperature, designed from all series for oscillation and temperature compensate compensate circuit

    低,容量穩定性高,電容量變化與溫度呈線性關系.多種溫度系數,適用於迴路及溫度補償效應的電路
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