匹配增益 的英文怎麼說

中文拼音 [pīpèizēngyì]
匹配增益 英文
match gain
  • 匹 : Ⅰ動詞（比得上; 相當; 相配） be equal to; be a match for Ⅱ形容詞（單獨） lone Ⅲ量詞1. （用於馬、騾等） 2. （用於整卷的綢或布）
  • 配 : Ⅰ動詞1 （兩性結合） join in marriage 2 （使動物交配） mate （animals） 3 （按適當的標準或比例加以...
  • 益 : Ⅰ名詞1 （好處） benefit; profit; advantage 2 （姓氏） a surname Ⅱ形容詞（有益的） beneficialⅢ動詞...
  • 匹配 : 1. [書面語] （婚姻配合） mate; marry 2. [電學] matching
  1. If the scm model matches to the company ’ s strategy and production type, it can help the company carry out supply chain and realize bpr on basis of customer ’ s demand what will eliminate inefficacy activity of the operation. it can lead to the company get the initiative status. quite reverse is true, inefficacy brings negative effect

    與企業戰略和產品類型相匹配的供應鏈運作模式可以幫助企業實現供應鏈戰略;使企業能夠根據客戶需求重組業務流程，消除業務流程中不增值的無效活動，從而降低成本，提高收益，在市場競爭中占據主動。
  2. The theoretical part mainly refers to studies of optical parametric chirped pulse amplification. we analyze some basic theories of opcpa, such as phase matching, parametric bandwidth, walk - off in space and time, gain property and so on, and compare the basic properties of bbo, lbo and kdp

    理論部分主要是對新興的光參量啁啾脈沖放大技術的相位匹配、參量范圍、時空走離、增益及帶寬特性等基礎理論進行了分析，並對常用的bbo 、 lbo和kdp基礎特性進行了比較分析，這對于光參量啁啾脈沖放大系統的設計具有一定的實際意義。
  3. In this thesis, wide - fov ( field - of - view ) optical systems with optical gain based on fov and optical gain of laser detection and warning optical system are studied. it can solve the problem of wide fov matching with small photosensitive surface, enhance the power received, increase detecting sensitivity, reduce the power of laser and decrease the cost of laser accordingly

    本文正是針對上述問題，從激光輻射探測光學系統的視場和光學增益出發，研究寬視場有增益光學系統，解決大視場和小光敏面匹配的矛盾，增強接收到的光功率，提高探測靈敏度，降低對激光輻射源功率的要求，從而降低相應激光器的成本。
  4. Not only can gain mismatch of the sigma - delta modulator be minimized, but the overload of the later stage sigma - delta modulator can also b e resolved without sacrificing the signal noise ratios ( snr ) of the over all system

    不僅可以減輕積分三角調變器增益不匹配之困擾，並且可以解決后級積分三角調變器容易過負載之問題；然而，卻不會讓整體系統的訊號雜訊比（ snr ）降低。
  5. We presents a detailed studied of the linewidth of parametric light in clbo - opo caused by the linewidth of pumping beam, off axis phase matching, divergence angle of pumping, time above threshold, high gain coefficient of nlo crystal, fluctuate of cavitylength, spontaneous radiation, according to the momentum and energy conversion laws, and the sellmeier equations of the clbo, we calculated curves of the type - i and type - ii compared with the bbo ' s

    根據能量動量守恆關系和clbo的色散方程，詳細分析了由於泵浦光的線寬、泵浦光偏軸泵浦、泵浦光的發散角、泵浦光功率超過參量光振蕩閾值一定倍數、高增益系數、有效腔長波動以及自發輻射引起的參量光線寬，並得到了與bbo晶體在類、類相位匹配下比較的理論曲線。
  6. The conventional variable structure control technique for uncertain system requires that the uncertainty bound is known as a premise to assure robustness. the requirement creates an over - conservative controller and enlarges chattering. the proposed controller regards the influence of unknown disturbances and parameter uncertainties as an equivalent disturbance and generates an on - line estimation used in smc to cancel the slowly varying uncertainties by the mechanism of time delay. the reaching law approach is used to get the conditions and band of quasi - sliding mode. the new methodology offers a robust feedback control with much lower gains and reduces chattering without a prior knowledge of the uncertainty bounds or matched conditions

    常規變結構控制用於不確定系統，須利用不確定性界確保系統的魯棒性，控制器過于保守且抖振變大.本文把未知干擾和參數不確定性的影響等效為名義系統的外界干擾，利用時延技術對干擾進行在線估計，並將估計值引入到變結構控制中，從而抵消掉系統中的慢變不確定性，利用離散趨近律法，推出了準滑動模態的存在條件及其帶寬.該方法克服了以往控制方法中須已知不確定性界的限制，且不必滿足匹配條件，用較低的控制增益保證了系統的魯棒性，降低了準滑動模態帶即削弱了抖振
  7. Abstract : the conventional variable structure control technique for uncertain system requires that the uncertainty bound is known as a premise to assure robustness. the requirement creates an over - conservative controller and enlarges chattering. the proposed controller regards the influence of unknown disturbances and parameter uncertainties as an equivalent disturbance and generates an on - line estimation used in smc to cancel the slowly varying uncertainties by the mechanism of time delay. the reaching law approach is used to get the conditions and band of quasi - sliding mode. the new methodology offers a robust feedback control with much lower gains and reduces chattering without a prior knowledge of the uncertainty bounds or matched conditions

    文摘:常規變結構控制用於不確定系統，須利用不確定性界確保系統的魯棒性，控制器過于保守且抖振變大.本文把未知干擾和參數不確定性的影響等效為名義系統的外界干擾，利用時延技術對干擾進行在線估計，並將估計值引入到變結構控制中，從而抵消掉系統中的慢變不確定性，利用離散趨近律法，推出了準滑動模態的存在條件及其帶寬.該方法克服了以往控制方法中須已知不確定性界的限制，且不必滿足匹配條件，用較低的控制增益保證了系統的魯棒性，降低了準滑動模態帶即削弱了抖振
  8. The results illustrate that loading lossy network can improve the performance of the system, but decrease the maximum gain

    加載不同匹配網路的結果表明，加載有耗網路會改善系統的測向性能，但系統的最大增益要降低。
  9. At the same time it will increase the sustainable market competition ability, management level, service content, reputation and profit of shanghai company. the paper is separated in to five sections : 1. describe the conception of transportation management, basic idea in design and management of supply chain, the position, function and importance of transportation in all supply chain of wu steel

    作者期望通過該論文的撰寫，從上海公司經營戰略的角度出發，對武鋼現有的傳統運輸模式，隨著外部環境的變化，按照系統的物流管理理念，從理論上的加以分析、研究和整合，一方面滿足貨主的需求，為武鋼提出有效的運輸模式和運力的匹配，從而達到降低武鋼進口鐵礦石運輸成本；另一方面可提高上海公司的經營管理、提升服務內涵和企業品牌，增強市場的可持續競爭力、和經濟效益。
  10. ( 3 ). the flattening arithmetic of an edfa was presented based on the inter - correlative function between the gain spectrum function of the edfa and that of the reserve transmission spectrum of the lpfg. for optimal matching between the two spectra, the flattening arithmetic calculates the variation of the resonant amplitude and wavelength of the lpfg

    Iii .提出了一種動態增益均衡的平坦演算法，這種演算法的本質就是利用摻鉺光纖放大器增益譜函數和新型長周期光纖光柵的透射譜反轉譜函數的相關性，給出新型長周期光纖光柵諧振峰幅度和位置的調節量，使改變后的新型長周期光纖光柵的反轉譜線能和edfa的增益輸出譜線進行最佳匹配。
  11. The trends of dpssl are pointed out, the wide application fields, as well as the bright market future of high power dpssl are also summarized. in the chapter 2, all kinds of solid - state laser gain materials are introduced in detail. in the chapter 3, the theory on the mode - matching of the pump beam and the cavity mode is analyzed in detail based on the basic theory and work principle of ld - pumped all - solid - state laser

    本論文第一章從二極體泵浦固體激光器的優勢出發，介紹了二極體泵浦固體激光器的發展，指出了dpssl的發展方向，概括介紹了大功率dpssl的諸多應用領域和廣闊的市場前景；第二章對固體激光增益材料作了詳細的介紹；第三章基於ld泵浦固體激光器的基本理論和工作原理，從理論上詳細分析了ld端面泵浦激光器中泵浦光與腔模的匹配問題。
  12. The calculated results show that the generation of inversionless gain in doppler - broadened media for a probe field wavelength in much excess of coupling field wavelength is possible, although the coupling field rabi frequency is significantly less than the doppler width

    計算表明：在探測場波長遠大於耦合場波長情況下，雖然耦合光的拉比頻率遠小於多普勒加寬，但是無反轉增益依舊存在，而且強于匹配能級的增益。
  13. There is another approach. utilizing the basic theory of return and risk and the main methodologies and models of asset valuation, we can study the implied risk premium from the current share prices by incorporating stock analysts " forecast on companies " earnings and growth. by comparing the implied risk premium with the actual risk level of the particular investment, we can decide better whether its valuation is fair

    在主要投資價值分析方法和分析模型基礎上，本文換了一個角度，從風險收益基礎理論出發，研究利用更符合實際的三階段估值模型，結合證券分析師對企業贏利和未來增長的估計，測算證券定價背後隱含的風險回報水平，通過考察風險補償率是否與該投資面臨的風險水平相匹配，來更好的解決證券定價合理評判這個問題。
  14. 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的縮比模型天線進行了測試，在全頻率段內駐波系數小於3 ，理論增益大於- 9 . 4db ，效率大於14 % 。
  15. The linear theory of the coaxial disk - loaded cylindrical waveguide twt is built and the dispersion equation with an annular electron beam of this twt is obtained according to self - consistent field theory and the field matching method. the computation results of the hot dispersion equation indicate the relations between the electron beam parameters and the small signal gain

    利用自洽場理論以及場的匹配方法，推導出此結構在小信號條件下的熱色散方程，討論了電子注參量和慢波系統幾何參量與小信號增益和色散的關系。
  16. Based on the rate - equation theory of four - level system, the expressions of threshold pump power, output power and slope efficiency are given. the influence of space distribution of pump light ( the position of focusing point, dimension of pumping light and divergence angle ) to the output characteristics are also discussed. then, by investigating the effects of thermal effect of laser crystal on the size of laser cavity mode, we obtain the mode - matching principle of high power laser diode end - pumped solid - state lasers

    其中，在泵浦光的空間分佈變量中我們分別考慮了泵浦光聚焦后的腰斑大小、聚焦腰斑在增益介質中的位置以及泵浦光在介質中發散角的影響；然後我們研究了在高泵浦功率下激光晶體因吸收泵浦光而產生的熱效應所導致的熱透鏡效應以及熱致衍射損耗，通過分析它們對振蕩激光腔模尺寸的影響，得到了高功率半導體激光二極體端面泵浦固體激光器模式匹配的要求，為高功率連續單頻nd ： yvo _ 4激光器的優化設計提供了理論依據。
  17. 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輸出功率為40w的225 450mhz的線性功率放大器。由於該功放要求輸出功率大，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，在理論設計上筆者採用了寬帶匹配、功率合成、功率回退、負反饋、自動功率控制等技術；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。
  18. Through the design the dc feed network, input matching network for the ne900175 gaas fet and analysis the stabilization, power gain, bandwidth of the power amplifier we get the power amplifier is stability, the power gain is 11. 967db and the bandwidth is 300mhz. microstrip antenna has a narrow bandwidth, in this design antenna ' s bandwidth is 100mhz. antenna is the not only the load of the power amplifier, but also as the filter connecting to the output of the power amplifier

    E類功放的pae相對a類、 b類、 ab類的功率放大器類型而言比較高，在50 ? 70 。分析了e類功放的工作過程后，以ne900175的gaas場效應管作為e類功放電路的開關，進行了外圍電路的設計，包括直流偏置電路、輸入匹配網路的設計，功放的穩定性、帶寬、增益的分析。該功放增益最大達到11 . 4db ，帶寬為320mhz 。
  19. ( 2 ) using the method of parameter identification in literature [ 117 - 118 ], selecting gain function : giving the initial value of the parameter observer from the time serial of output variables of the system, the numerical simulation result shows that the parameter observer proposed in this paper can identify the unknown parameters of the system quickly and exactly no matter if the parameters keep invariable or change in some rule, and the identifying speed is faster than the method in [ 117 - 118 ], when the unknown parameters are being identified, vith parameter compensator, it can synchronizes two hyperchaotic systems completely even if some parameters mismatch

    （ 2 ）採用文獻[ 117 - 118 ]提出的參數辨識方法，通過選取更一般的增益函數： l _ i （ x _ i ） = kx _ ii = 1 ， 2 ， 3並根據系統輸出變量的時間序列給出參數觀測器的初始值來進行參數辨識，數值模擬結果表明：採用本文的參數觀測器，在系統參數固定或變化的情況下，都可對系統未知參數實現快速高精度辨識，辨識的速度快于文獻[ 117 - 118 ]提出的方法；在辨識參數的同時，結合參數補償器，使兩個參數不匹配的超混沌系統同步。
  20. The use of this instrument by both engineering and production permits quick and accurate characterization of the input and output impedance, gain, reverse isolation of individual units and the degree of match between units

    工程以及產品通過使用這種儀器可以迅速準確的獲得輸入/輸出阻抗、增益、獨立單元的反向隔離以及兩個單元之間的匹配程度。
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