腔電流 的英文怎麼說

中文拼音 [qiāngdiànliú]
腔電流 英文
cavity current
  • 腔 : 名詞1. （動物體內空的部分） cavity; chamber 2. （話） speech 3. （樂曲的調子） tune; pitch 4. （說話的腔調） accent; tone
  • 電 : Ⅰ名詞1 （有電荷存在和電荷變化的現象） electricity 2 （電報） telegram; cable Ⅱ動詞1 （觸電） give...
  • 流 : Ⅰ動1 （液體移動; 流動） flow 2 （移動不定） drift; move; wander 3 （流傳; 傳播） spread 4 （向壞...
  • 電流 : current; galvanic current; electric current; electricity; current flow電流保護裝置 current protec...
  1. With the deveiopment of hydraulic technology, hydraulic system and hydraulicequipment are more complicated, hydraulic technology is more widely and morecomp1icatedly used in agricultural machine and their malfunction is more difficu1t to bedetected. fault diagnosis of hydraulic system is not as apt to be observed as that of themechanical equipmeflt or is not as easy to be detected as that of electric equipmeflt bymu1tipurpose meter or other meters. flux meter gage and pressure gage ca n ' t meet the needof fault diagnosis for hydraulic system because its working medium and workingcomponents are hiding inside the sealed vessel

    隨著液壓技術的發展，液壓系統及液壓設備越來越復雜，液壓技術在農機上的應用也變得廣泛而復雜，農機液壓系統的故障診斷也越來越困難，液壓系統的故障診斷不象機械設備那樣直觀，也不象電氣設備那樣通過萬用表等儀器測得，液壓系統的工作介質和工作部件都在密閉的容腔內，流量計、壓力表等測量儀器遠遠不能滿足故障診斷的需求。
  2. For micro - cavity semiconductor laser, station model is proposed in this paper and its steady - state and instantaneous characteristics when the coupling efficiency of spontaneous emission into a lasing mode is equal to 1 are analysised. for current noise, sp noise, noise, p noise, as well as current modulation, sp modulation, modulation and p modulation, using small - signal approximation, we derive the laser ' s corresponding transfer functions. and we calculate their signal - to - noise ratio ( snr ) gain in various parameters through frequency domain analysis in the premiss of large input snr

    本文對于微腔半導體激光器，提出站模型，能夠較直觀簡潔地分析微腔半導體激光器的穩態和瞬態特性，利用此模型對具有重要實用價值的= 1的微腔半導體激光器進行了討論；對于電流i噪聲、自發發射壽命_ （ sp ）噪聲、自發發射因子噪聲、光子壽命_ p噪聲，以及電流調制、 _ （ sp ）調制、調制、 _ p調制，在小信號近似下，得到了相應的激光器的傳遞函數；在大信噪比的前提下，對激光器進行了頻域分析，分別計算了它們在不同參數下的信噪比增益，分析了其抗噪聲性能。
  3. For phonetic signal modulation, if the pass band range of the band pass filter ( bpf ) is 300hz - 3400hz, the anti - noise properties of laser are approximately independent of bias current and parameters of the cavity ; when the pass band range of bpf increases to a certain degree, modulating bias current and parameters of the cavity can improve the anti - noise properties of laser

    對語音調制情況，如帶通濾波器的通帶范圍取為300hz - 3400hz ，則激光器的抗噪聲性能基本不依賴于偏置電流和腔內參數；當帶通濾波器的通帶范圍增大到一定程度，調整偏置電流和腔內參數可以實現半導體激光器的高抗噪聲性能。
  4. Vertical - cavity surface - emitting lasers ( vcsel ' s ) have distinct advantages over conventional edge emitting lasers, such as small divergence angle, single longitudinal mode operation and very low threshold current. they are especially suitable for making two - dimensional ( 2 - d ) arrays as well as vcsel ' s based integrate devices

    垂直腔面發射半導體激光器（ vcsel ）與傳統的邊發射半導體激光器相比，它具有發散角小、單縱模工作、非常低的閾值電流等優點，尤其它適於二維面陣集成和與其它光電子器件集成。
  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. The epitaxial struture for ld is an ingaas / gaas / algaas ssqw grin sch structure and the width of the array bar ia 4mm. the low theshold current 2. 9a the output power 20w at 17. 5a have been achieved by sioi isolation, ohmic contact and facet coating processes. the central wavelength is 979nm. at the same time, model analyses on the structure of the ssqw ld and the fabrication processes have been made for further research

    激光器的生長結構採用ingaas / gaas / algaas分別限制應變單量阱線性緩變折射率波導結構，列陣條寬為4mm ，通過sio _ 2掩膜，歐姆接觸和腔面鍍膜等工藝，實現了閾值電流為2 . 9a ，驅動電流為17 . 5a時輸出功率為20w 。
  7. And the simulation on the nonlinear beam - wave interaction of two - cavity gyroklystron is made. the influences of the drift length and beam voltage and current and the velocity ratio of the electron beam and et al. on efficiency and gain are analyzed in detail

    並對34ghz兩腔迴旋速調管的注?波互摘要作用進行了大量的數值模擬研究，分析了漂移區長度、電壓、電流、速度lhq值、磁場k ， ； 、注入波功率等多種因素對互作用電子效率及增益的影響。
  8. It is found that the electron beam may approach ideal bunching. high power microwave pulses with tunable frequency can be generated by post - accelerating the electron beam and carefully designing the extraction cavity. in terms of the pic simulation, the output power of 1. 25gw at 2. 2ghz and 480mw at 4. 4ghz in axial acceletron have been obtained

    用增加中間腔的辦法，大大提高了前兩階諧波電流分量，數值計算結果表明，其中一階諧波電流調制系數達到了140 ，二階諧波電流調制系數達到了68 ，通過改變提取腔的設計，可選擇不同頻率的輸出，其一次諧波頻率為2 . 2ghz ，輸出功率為1 . 25gw ，效率為9 . 33 ，二次諧波頻率為4 . 4ghz時，輸出功率為0 . 48gw ，效率為3 . 6 。
  9. A mould with an oblique guide pin scroll box structure was designed for the core pulling in two directions of a mould with two cavities

    採用能解決一模兩腔的兩面抽芯問題的斜導柱滑塊結構的模具結構，設計出電流線圈架注射模模具。
  10. 2 through altering the length of the resonator, more clear resonator characteristic is observed, which proves that using the method of altering the length of the resonator may be a better way that using current injecting frequency modulation

    浙江大學碩十學位論文2 、川改變諧振腔腔長的方法，觀測到了更為清晰的諧振曲線。證明采川改變腔長的方法來實現調頻，比采川電流調頻的方法可能更為優越。
  11. The current transformer is fully enclosed structure. the terminal p1 of the primary winding is as the static contact of the switch cabinet and placed inside the epoxy - resin insulation cavity

    本型電流互感器為全封閉結構，其一次繞組的p1端子，直接作為開關櫃中的靜觸頭被設置在環氧澆注的絕緣空腔內。
  12. There are many approaches to achieve the purpose, and one of the perfect them is tunnel - cascaded multi - active regions large cavity ld structure, in which not only the effective thickness of the active region increase but also obtain lds ’ low threshold current and high slope efficiency and other properties

    有多種途徑實現ld光束特性的改善，其中採用多有源區隧道結級聯大光腔結構的半導體激光器是既增加有源區等效厚度而又保證ld低閾值電流和高斜率效率等特性的最佳途徑之一。
  13. In industrial the temperature system is classed large nonlinear system. with associative memory neural network as identification and fuzzy neural network as control established model reference adaptive control system, succeeded realized single dealing control. model reference adaptive control system supplied new method for other lager nonlinear system such as flux, stress and fluid system

    溫度控制系統是典型的非線性大滯后控制系統，根據本文提出的聯想記憶神經網路辨識器，與模糊神經網路控制器相結合，建立模型參考自適應控制方案，成功的實現了對單腔電阻加熱爐的控制，模型參考自適應控制方案可以向其它大滯后非線性特性的過程式控制制參量（如流量、壓力、液位等）推廣。
  14. The simulation results show that to start the oscillation, the length of the resonance cavity must be well matched with the radial span of the cavity ; mismatch of them will greatly affect the microwave development ; the output power of the microwave in rtto is affected by the microwave mode obviously. under the same conditions, the output power for temooi mode is the highest, and its start and saturation time of oscillation are the shortest. the results also show that the output power will decrease with the increase of the size of the extract window ; the operating state of rtto has great close relationship with the operating current, and there exists an optimum current value

    結果表明，束電壓一定時，諧振腔腔長和徑向間距必須良好匹配微波才能起振，匹配不佳會極大地影響微波產生；微波模式對微波產生功率影響很大，同等條件下， tem _ （ 001 ）模式的微波功率最高，起振時間和飽和時間最短；微波輸出功率隨提取口的增大而減小； rtto工作狀態與工作電流的大小關系密切，存在一個最佳工作電流值。
  15. This source will have a power output of about 2. 5gw with 25 % efficiency at 5. 2ghz. the input modulate voltage is 125kv and the post - accelerating voltage is 600kv

    在調制腔電壓125kv 、加速間隙電壓600kv和電流15ka時，在c波段獲得了峰值功率約2 . 5gw和約25效率的數值模擬結果。
  16. In this work, based on the threshold condition of the fiber grating external cavity semiconductor laser ( fgesl ) which the phase of the fiber grating has been included, the effect of the temperature variation and the fg external cavity length on the lasing wavelength of the fgesl has been investigated theoretically. in addition, we have used the phase condition of fgesl to get the longitudinal mode distribution of fgesl, then the influence of the injected current on the output characteristics of fgesl has been studied

    基於此，本文中利用陽實際的反射相位分佈，計及半導體激光器（ ld ） 、外腔及光纖光柵（ fg ）三者的共同作用，根據fgesl滿足的閩值條件，從理論上研究了溫度及外腔長度的變化對fgesl激射波長的影響;根據fgesl中縱模所滿足的相位條件得到其縱模分佈后，利用fgesl滿足的多模速率方程，研究了ld的注入電流對fgesl輸出特性的影響。
  17. As a result, a theoretical model of fiber grating external cavity semiconductor lasers including the reflectivity distribution of fiber grating has been presented in this paper. based on the model, the laser characteristics such as the threshold current, mode suppression ratio etc. have been specified

    利用該模型對光纖光柵外腔半導體激光器的閾值電流、模式抑制比等進行了研究，得到了一些新的結論，並對此結論作出了合理的解釋。
  18. In the end, this thesis tests the resonator with three methods in case that it is both open looped and closed looped, and gets the results listed below : 1 taking 1 mhz frequency width ld as the light source, using current injecting frequency modulation method, the output characteristic of the resonator is got, which proves that the laser used in the lab can be used to modulate the frequency using current injecting frequency modulation

    本文最後採用三種不同的方法對諧振式光纖陀螺進行了開環和閉環的實驗測試，並取得了以下實驗結果： 1 、用頻寬1mhz的ld作光源，採用電流注入調頻的方法，觀測到了諧振腔的輸出特性曲線。證明了實驗採用的激光器可以通過注入電流的方法實現調頻。
  19. Because quasi - fermi levels of a laser diode ( ld ) vary with the carrier density, it is predicted that a new type of hysteresis loop should occur for the current passing ld while a hysteresis loop appears on the power - frequency curve of the ecld. an explicit analytical expression for the frequency width of the hysteresis loop and the condition for the formation of the hysreresis loop has been deduced

    預測了由於半導體激光二極體（ ld ）的準費米能級之差隨ld內線流子密度的變化而變化，因而，在調諧外腔半導體激光器的輸出功率?振蕩頻率曲線上出現雙穩環的時候，通過ld的電流也應出現一個伴隨的新型雙穩環? ?電流雙穩環。
  20. The results of numerical simulation show that for various kinds of noise without modulation the anti - noise properties and the output quality of laser can be improved by selecting appropriately bias current and parameters of the cavity

    數值模擬的結果表明，對于無調制時的各種噪聲，適當選取偏置電流和腔內參數可以提高微腔半導體激光器的抗噪聲性能或激光輸出的質量。
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