理論輸出功 的英文怎麼說

中文拼音 [lúnshūchūgōng]
理論輸出功 英文
theoretical power output
  • : Ⅰ名詞1 (物質組織的條紋) texture; grain (in wood skin etc ) 2 (道理;事理) reason; logic; tru...
  • : 論名詞(記錄孔子及其門徒的言行的「論語」) the analects of confucius
  • : Ⅰ動詞1 (運輸; 運送) transport; convey 2 [書面語] (捐獻) contribute money; donate 3 (失敗) l...
  • : 名詞1 (功勞) exploit; merit; meritorious service [deed]: 戰功 military exploits; 立功 render me...
  • 理論 : theory
  • 輸出 : 1 (從內部送到外部) export 2 [電學] output; outcome; outlet; out fan; fanout; 輸出變壓器 output ...
  1. Test results show that under 2 - tone test in 5mhz tone spacing, the power amplifier system achieves - 50dbc imd3 with 20w output power, improved 20db in imd3 compared with the one without linearity. estimated value of aclr comes to 53db, which satisfies the 3gpp requirement for wcdma base - station transistor. further tests with alterative input power indicate a steady suppression to the imd3 controlled by the adaptive system

    測試結果表明,自適應前饋放系統在雙音率20w時三階交調系數小於- 50dbc ,鄰通道泄漏抑制比( aclr )的估算結果大於53db ,在上滿足3gpp對wcdma基站發射機的指標要求。
  2. Secondly, compared with some other kinds of comparator structure and based on the preamplifier - latch fast - compare theory, a novel topology of cmos preamplifier latch comparator circuit is presented. considering trade - off between kickback noise and power dissipation, reference resistance value is optimized. according to the encode demands of different stage resolution, clock - control encode circuit is designed

    其後,在具體的子adc設計中,對比各比較器類型的優缺點,並基於預放大鎖存快速比較,提一種新型高速低耗預放大鎖存比較器電路拓撲;根據adc系統所允許的參考電壓最大波動限制,在回饋噪聲對入參考電平的影響和耗之間折衷,確定優化的參考電阻串阻值;根據不同級精度的編碼要求,設計時鐘控制編碼電路。
  3. According to the guidline, two nd : yag lasers have been designed and set up, one is end - pumped by lower output power ld using a selfoc micro lens, and the other is end - pumped by high output power ld using a pair of lenses are designed, and the characteristics such as output power and power stabilization of both solid - state lasers are investigated. thirdly, when an empty liquid crystal cell is inserted in the cavity of the nd : yag laser pumped by high power ld, the laser can operates in single axial mode. finally, according to the relationship between the laser output power and the longnitudinal a ld - end - pumped nd : yag laser sensor for displacement measurement has been investigated theoretically and demonstrated experimently, the results indicate that when the mean radius of pumping inside the laser cavity is far less than that of the oscilating laser mode, the exponential of the output power is a gauss function of the longitudinal positon of focused spot of ld pumping beam, both the measurement range and the sensitivity are dependent on the incident pumping power, as the incident pumping power is increased, the measurement range is enlarged and the sensitivity is improve d

    本文首先介紹了ld泵浦nd : yag激光器的發展狀況、主要特性及其應用,從四能級速率方程發,推導了ld泵浦nd : yag激光器的閾值、率和斜效率的表達式,並簡述了激光器的工作原、結構型式和倍頻方法;其次,以空間相關的速率方程為基礎,提了ld端面泵浦nd : yag激光器的設計方法,給了一定泵浦耦合方式下,振蕩光模尺寸、最佳耦合率、泵浦光模尺寸、泵浦光焦斑位置等參數的選取依據,以此為依據,設計了自聚焦透鏡耦合小率ld泵浦nd : yag激光器和透鏡組耦合高率ld泵浦nd : yag激光器,對激光器的率和率穩定性等特性進行了實驗研究;再次,在帶尾纖的高率ld泵浦nd : yag激光腔內插入一隻空液晶盒,觀察到了激光器以單縱模運轉;最後,根據泵浦光焦斑端面位置對激光率的影響規律,提了ld端面泵浦nd : yag激光位移傳感新方法,並進行了和實驗研究,研究結果表明:當激光晶體內泵浦光平均光斑半徑遠小於振西安工大學碩士學位文蕩光束腰半徑時,激光率的自然指數與泵浦光焦斑的縱向位置成高斯變化規律,測量范圍和靈敏度依賴于泵浦率,隨著泵浦率的增加,測量范圍擴大,靈敏度提高,當端面泵浦率為7 . 24w (最大率為1 . 926w )時,激光位移傳感器的測量范圍和靈敏度分別是13 . 045mm和0 . 148mw / pm 。
  4. After analyze the theory about w - band millimeter integrate oscillator, using impatt diode come from russia, we manufacture the w - band cw integrate oscillator. it is first domestic w - band millimeter integrate oscillator using impatt diode. the oscillator ' s output power is exceeding 7mw, working at 94. 785ghz

    通過對三毫米集成振蕩源進行分析和實驗研究,最終在國內首次採用從俄羅斯引進的三毫米連續波雪崩二極體研製成w波段微帶集成振蕩源,工作頻率為94 . 785ghz ,率大於7mw 。
  5. ( 3 ) verifies the voltage wave, electrical current vuive and output power wave of asteroidal magneto, and the veracity of parameters by a series of experiments. the experimental result demonstrates that the error is less than 10 % between theoretic value and actual value

    ( 3 )通過一系列實驗驗證了星形磁電機空載電壓波形、電流波形、短路電流倍數、率等波形和參數的準確性,實驗結果表明,與實測值相差不到10 。
  6. According to the theory of acousto - optic ( ao ) interaction, the formulas of diffraction loss of two ao q - switches, which acousto - field are perpendicular or parallel one another, the power divider for ensuring two ao q - switch synchronization and effective power driving is designed. the calculation results are satisfied with nd : yag laser experimental results. it is show that two ao q - switches, which acousto - field are perpendicular each other, switch - loss is nearly one times larger than one ao q - switch, one of third larger than the two ao q - switches which acousto - field are parallel

    上對聲光器件衍射損耗作了分析與計算,研究了二維雙聲光器件對提高衍射損耗效率的影響,在實驗中採用二維雙聲光組合器件提高聲光器件的對nd : yag激光器的關斷能力,較之單聲光的關斷能力提高了一倍左右,而對于平行雙聲光也提高了30左右,並設計了聲光驅動率分配器以驅動雙聲光器件達到同步,消除了激光的多脈沖現象,提高了脈沖列的率。
  7. Secondly, to achieve the independent regulation of active and reactive power output from the generator side which is designed for the purpose of tracing the maximum wind - energy capturing. the paper has analyzed the mathematic model of the ac excited doubly - fed machine and the stator field orientation control strategy of the motor as vscf wind power generator. thirdly, it has put forward and designed the dual pwm converter with the capacity of energy flowing bidirectional aimed at the demand of rotor energy bidirectional flow. the author constructed reliable and integrated experimental system and did a series of experimental study including no - load, cutting - in network and power generation at, below and above the synchronous speed

    文首先分析了風機運行特性及其最佳風能利用原,通過模擬及實驗驗證了採用直流電機的特性模擬風力機的最大率曲線的可行性,並給了模擬系統的硬體結構;然後為了實現交流勵磁發電機有、無率獨立調節機,分析了交流勵磁雙饋發電機的數學模型和在追蹤最大風能捕獲變速恆頻風力發電時必需的定子磁鏈定向矢量控制策略;針對雙饋發電機轉子能量雙向流動的要求,提並設計了具有能量雙向流動能力的雙pwm交流勵磁用變頻器;最後為實現從到實踐的全面研究,研製了一套小率完整的雙pwm變頻器交流勵磁的雙饋風力發電機實驗系統,進行了空載、並網、同步速及上、下的發電運行等一系列的運行實驗;所完成的模擬和實驗研究均驗證了、模型和控制策略的正確性、可行性。
  8. This paper elaborates the significance of reflective teaching, and takes a graduate course genre analysis as a sample, exploring how to overcome the existing gap between linguistic theoretical input and pedagogical training by means of a reflective process on language teaching

    摘要本文述了反思性教學的意義,並以一門英語專業研究生課程《能語法》的語類分析課教學為例,述如何進行反思性實踐,改變外語教學中存在的語言學入和教學實踐相脫節的現象,以培養反思型的外國語言學及應用語言學專業研究生。
  9. Theoretical model of self - mixing interference in a linear frequency modulated laserdiode is presented by using the dynamic theory of semiconductor laser with weak external optical feedback. the characteristics of oscillation frequency shift and output power changes of the laser diode are analyzed by using the theoretical model. the absolute distance from front facet of laser diode to target can be found by measuring spectrum of output power of the laser diode

    使用半導體激光器在弱反饋條件下的動力學,建立了線性調頻半導體激光器的自混頻干涉模型.基於該模型,分析了激光器振蕩頻率偏移與率變化特性.通過測量激光器率譜,可以得到激光器前端面與被測目標之間的距離
  10. In this paper, some investigation and design as following. have been carried out on er - yb codoped phosphate glass waveguide laser first, three primary performance parameters of er - yb waveguide laser pump threshold power ; output power and slope efficiency have been commulated and analysed theoretically based on er ~ ( 3 + ) - yb ~ ( 3 + ) energy configuration ; rate equation of stable state and transmitting equation. the influences of er - yb ions concentration ; enabled waveguide length ; light dot radius of signal light and pump light ; reflectivity of output lens on three above parameters have been researched

    首先,從er ~ ( 3 + ) - yb ~ ( 3 + )能級結構發,結合激光穩態速率方程與傳方程,對鉺鐿波導激光器的三個主要性能參數:閾值率、率、斜率效率作了計算分析,並研究了鉺、鐿離子濃度、光波導激活長度、信號光與泵浦光光斑半徑比例、耦合鏡反射率對這三個關鍵性能參數的影響。
  11. Then analytical measurements of the noise were carried out on both of the turbines by means of modern acoustic apparatus and a conclusion has been found that the noise of the concentrated wind energy turbine is lower than the one of the ordinary wind energy turbine and the root of the trouble to cause noise chiefly originates from the turbine blade. besides, the result of analytical measurement also reveals that the power output both of the wind energy turbines will increase with the increase of the wind speed and unfortunately does the noise too. in order to lower the noise, a measures of noise reduction have been advanced that an active method is to develop a wind energy turbine run at a lower rating of wind speed while the passive method is to adopt a board drilled tiny holes, having established a sound technological basis for the development of a kind of wind energy turbine of low noise and high level in the world

    主要對濃縮風能型風力發電機在正常運轉時,噪聲產生的機進行了分析研究,並與普通型風力發電機的噪聲進行了對比實驗分析;利用現代聲學測試手段對兩類機型進行測試與分析,得濃縮風能型風力發電機產生噪聲低於普通型風力發電機和葉輪是風力發電機產生噪聲的主要部件的結;通過對兩類機型的噪聲、率的測試,得隨著風速的增加,兩類風力發電機的率在增加,產生的噪聲也在增加的結;提了進一步降低濃縮風能型風力發電機噪聲的措施,從主動降噪方面,研製低額定轉速的發電機;從被動降噪方面,採用微孔穿板的降噪結構;為研究開發一種國際上低噪聲、高水平的風力發電機打下了良好的技術基礎。
  12. 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,給了不同的腔損耗情況下的最低鍍膜要求,並且給了激光閾值、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特性有借鑒意義。
  13. In this paper, a method to evaluate hardware performance of laser detection system with the array signal estimation is proposed. and the optimally weight vector of array signal can be acquired by the doa estimating of received signals. in order to acquire the maximum output power of expected signals, summation of weight vector is applied

    用陣列信號源的估計來判斷激光檢測系統硬體性能;用接收信號波達角的估計得陣列信號最佳權向量;用權向量的加權求和獲取期望信號的最大率,同時基於davidl . donoho軟閾值,進行多層小波降噪,重構原始路面信號。
  14. 6. the development of gis provided landslide hazard zonation theory with technique means : gis has powerful space simulative function and managing capably of attributively data and printing digital map that provide tools for realizing roboticized of landslide hazard zonation

    ( 6 )地信息系統技術( gis )的發展為滑坡危險度區劃提供了技術手段: gis強大的空間模擬能和屬性數據管能力、數字化圖件能為滑坡危險度區劃的自動化提供了手段。
  15. On the basis of the deep study of the current studying situation of multi - wavelength fiber lasers and its tendency of development, we make clear the significance of the study of multi - wavelength fiber lasers and propose a novel multi - wavelength erbium - doped fiber ring laser at room temperature. in this thesis, firstly, with the rate equation theory, we use analytical methods to deduce the relationships of the lasing wavelength and output power vs erbium - doped fiber length, coupler ratio and intracavity losses. the experimental results show a good agreement with the calculated values

    本文首先從速率方程發,利用解析的方法推導摻鉺光纖激光器特性參數與摻鉺光纖和耦合器參數之間的定量關系, (如,激光率、波長與摻鉺光纖的長度、摻雜濃度、耦合器耦合比及腔的損耗等參數之間的關系) ;並從實驗上加以分析討,實驗結值相吻合;利用改變耦合器的耦合比獲得了幾個nm的波長調諧。
  16. Based on the requirement and target of the projects, firstly, pcf bragg grating are investigated theoretically and experimentally. moreover, the effects of filling high refractive index material ( nematic liquid crystal, nlc ) in pcfs on the transmission mechanism and propagation properties are studied by using plane - wave method and finite - element method ( fem ), farther, several novel pcfs are proposed and designed. lastly, we propose and demonstrate a clad - pumped er3 + / yb3 + - codoped fiber laser, which integrate all performances of broad - band tunable wavelength, uniform output power spectrum, high repeat frequency and high average power to together

    文選題于國家973 、 863以及國家自然科學基金等項目,結合課題的要求和主要目標,在對光子晶體光纖( pcfs )傳特性研究的基礎上,首先對光子晶體光纖光柵進行了和實驗研究;然後,採用平面波展開法和有限單元法分析了在光纖的空氣孔中填充高折射率液晶對光纖傳導機制和傳特性的影響,提並設計了幾種新型光子晶體光纖;最後,提並研製成連續可調諧、率譜均衡的全光纖化、高率包層泵浦鉺鐿共摻光纖激光器實驗樣機。
  17. In the nonlinear chaotic regime, the output power may become very high for some values of the parameter or very low for others

    中國工程物研究院博士文郝建紅在飽和后的非線性區域,率具有不確定性,對於一些參數值,率可以變得很低。
  18. This subject aim at designing a linear power amplifer whose output power is 40w for 225 - 450mhz band. but it seems not easy to finish the task because of this power amplifier own unique requirements including high output power, broad working frequency band, high linearity, and flat gain. due to the complexity involved, theoretically several soltuions are derived in the final scheme such as broadband matching technology, power - retreat, power synthesize, automatic power control and negative feedback. in addition, the design will be optimized by eda software and the final test result indicates that our design is successful

    本課題的目標是研製一個率為40w的225 450mhz的線性率放大器。由於該放要求率大,工作頻帶寬,帶內增益波動小,線性度高,所以其終合設計難度大。鑒于這個原因,在設計上筆者採用了寬帶匹配、率合成、率回退、負反饋、自動率控制等技術;在實踐中精心設計電路,並且配合eda軟體模擬,最終達到所要求的指標。
  19. Two methods have been proposed and applied : setting up error model by time series analyzing, displaying vehicle tract by map matching. digital map and software for the paper have been designed by gis tool and high language, software can receive nmea sentence, process gps data and display the vehicle track on the digital map

    文根據車輛定位系統的能要求設計了軟體系統,實現了在計算機上接收gps接收機,對原始gps數據進行處;採用gis開發工具設計了數字地圖,設計多個圖層,建立路段數據庫,應用投影匹配方法將車輛位置軌跡顯示在數字地圖上。
  20. In the second chapter, the operating principle of solid - state laser is analyzed. based on the model of four - level system, the interacting theory between laser field and laser crystal is studied by the rate equation theory, then the characters, such as threshold power, output power, slope efficiency etc., of solid - state laser are deduced

    第二章分析了固體激光器的工作原,以四能級系統為模型,應用速率方程研究了激光場與激光晶體之間相互作用,導了固體激光器的閾值率、率和斜效率等特性。
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