有效轉換增益 的英文怎麼說

中文拼音 [yǒuxiàozhuǎnhuànzēng]
有效轉換增益 英文
available conversion gain
  • : 有副詞[書面語] (表示整數之外再加零數): 30 有 5 thirty-five; 10 有 5年 fifteen years
  • : Ⅰ名詞(效果; 功用) effect; efficiency; result Ⅱ動詞1 (仿效) imitate; follow the example of 2 ...
  • : 轉構詞成分。
  • : 動詞1. (給人東西同時從他那裡取得別的東西) exchange; barter; trade 2. (變換; 更換) change 3. (兌換) exchange; cash
  • : Ⅰ名詞1 (好處) benefit; profit; advantage 2 (姓氏) a surname Ⅱ形容詞(有益的) beneficialⅢ動詞...
  • 有效 : effective; valid; efficacious
  • 轉換 : change; transform; convert; switch
  1. In this paper, we study inversionless lasing of frequency up - conversion in an open v - type system with incoherent pump. making theoretical analysis and numerical calculation by density - matrix equations of motion, we derive the conditions for the onset of lwi and discuss the effects of the parameters of the system, the detuning of driving field and probe field on the gain, and discuss nonlinear effect in the frequency up - conversion regime. we also give stability and transient analysis

    本論文研究了具非相干泵浦的開放v型系統頻率上無粒子數反激光,利用密度矩陣運動方程,通過理論分析和數值計算,得出該系統產生無粒子數反激光的條件,討論系統各參數的變化和驅動場與探測場的失諧對激光、色散和粒子數差的影響,還討論了頻率上區域的非線性應,分析了的穩定性及系統的瞬態演化過程。
  2. The results show that wavelength locates in gain zone of semiconductor optical amplifier, and have higher peak power and proper time delay between the two pulses for the second order super gauss control pulse in semiconductor optical amplifier. a high quality amplified signal pulse can be achieved. the chirp can be reduced notability by using cascading soa in cross gain modulation based on soa, and the distance and the peak power of conversion optical pulse can be increased notability, and we can let down the demand for wavelength based on xgm in soa and enhance the flexibility of wavelength conversion

    我們應用二階超高斯光脈沖與高斯信號脈沖同時注入soa和應用soa與非線性光學環鏡( nolm )相結合的方案來對信號脈沖進行壓縮整形,模擬顯示,在調節系統合適參數的情況下,波長位於soa區的二階超高斯控制光脈沖在具較高的峰值功率和適當時延下輸入soa時,最後可以得到放大的高質量超簡訊號光脈沖;在基於soa的交叉調制( xgm )全光波長中,採用級聯的soa能地使反光脈沖的頻率啁啾得到降低,波長向下的距離和反光的峰值能量都得到明顯提高,降低了利用交叉調制( xgm )波長中對波長精度的要求,從而提高了波長的靈和性。
  3. The railway branch line reform is an important measures that well take the " separate of government and enterprise, reduce amount of staff and raise benefit, make up deficits and get surpluses ", it is an important part of that the railway implement the adjustment of industrial structure, it is necessary to establish and perfect the modern enterprise system, to explore transport system reform and switch managerial mechanism, it is an effective methods that improve the benefit of the railway transportation and the market competence. the paper ' s content is the railway branch line reform and the branch line " twice start undertaking " of the dalian railway co., ltd., with the reform practice of the branch line of the dalian railway co., ltd., and combine theory and practise, under the background of " separate of railway net and transportation ", " separate of main and branch ", how through the adjustment of structure, system reform and switch managerial tactics, settle the problem that exist and development the branch line. ther e are some reference value for 100 branch lines of china railway

    鐵路支線改革是抓好「政企分開、減員、扭虧為盈」的重要措施,是鐵路行業實施結構調整的重要內容,是建立和完善現代企業制度,探索運輸體制改革和經營機制的需要,是提高鐵路運輸強市場競爭力的手段。本文以鐵路支線改革及大連鐵道公司支線「二次創業」為切入點,結合大連鐵道公司支線改革實踐,以理論與實踐相結合,探索鐵路支線運輸企業在「網運分離」 、 「干支分離」的大環境下,如何通過結構調整、體制改革和經營策略的,解決管內支線的生存和發展問題。對全路100條支線的改革與發展具一定的參考價值。
  4. Available conversion gain

    有效轉換增益
  5. The double - frequency laser interferometer belongs to the heterodyne interferometer. it has been proved that this kind of interferometer possesses the advantage of having a higher transform gain, better wave - filter capacity and high spatial resolution. furthermore, this kind of interferometer can filter out background light interference and obtain a measuring signal with high signal / noise ratio

    雙頻激光干涉儀是一種外差干涉儀,理論分析證明:外差干涉具高的、良好的濾波性能及優異的空間鑒別能力,能地濾除各種背景光干擾,得到信噪比很高的測量信號。
  6. On the base of the fujian power system that has the special configuration of " large power generator with small power system " in 2000, constructs power system models of fujian and fujian interconnected with other parts, does a lot of calculation and analysis and simulation, researches the security mechanism and rule of the fujian special power system interconnected with large power system. the above connection can keep security and stability and can make obvious benefits, but when the transmission power reach to excessive quantity the main power grid will increases interconnected flow - in or flow - out exchange power load. the power operation state tended to instability ; the infirmable interconnection make s the damp infirmable

    本文以2000年前後具「大機組小電網」特殊結構的福建電力系統為背景,建立了福建電力系統及其與外部互聯的數學模型,開展大量的模擬計算分析,研究了「大帆組小電網」電力系統與大容量電力系統互聯偏弱的安全穩定性的機理和規律:前述互聯可以安全穩定運行,取得顯著,當傳輸功率達到一定量后,主網架加了送出或吸收互聯交功率的負載,系統運行狀態向穩定性水平所下降的方向移;聯絡偏弱使阻尼偏弱,聯絡線小幅低頻振蕩和大幅低頻振蕩易被激發,聯絡線一旦重載斷開,系統高周或低調嚴重。
  7. It is thus of importance to develop an l - band edfa. however, a conventional l - band edfa is relatively inefficient and has low gain and high noise figure since they are operated at the tail of the erbium gain band. therefore, it is very important to design and analyze a high performance l - band edfa with simultaneously high gain, low noise and low gain ripple for a dwdm system

    開發新的l - bandedfa是十分必要的,然而傳統的l - bandedfa由於工作在鉺光纖譜的尾部,其存在低、工作率低、噪聲大等缺點,因此,分析和設計符合dwdm系統發展要求的具優良性能(高、低噪聲、動態均衡)的l - bandedfa是十分意義的。
  8. Moreover, a concept model for the service market, a detailed analysis on the service function on telecom products market and its economic and social benefit have been designed and made in this paper. furthermore, it formulates the developing strategies for the telecom service market in consideration of many aspects such as the developing phase and frame of the service market, service model, market strategy, combination of service and market and future developing direction, etc. the paper also analyzes the example of service system of foreign telecom suppliers. the suppliers should provide low - cost and high - value service for telecom operators, and help the operators to strengthen their core competition ability for the enterprises, at the same time, the suppliers will transfer their service model from present open model to a new value added model gradually

    本文從電信產品服務的現狀出發,深入研究了其存在的問題和採取的相關對策,設計服務市場的概念模型,詳細分析了服務對電信產品市場的作用及其所產生的經濟、社會,並從服務市場的開發階段、電信業的服務市場架構、服務模式、供應商的服務市場戰略、服務與市場融合及服務市場未來發展方向等方面重點闡述了電信服務市場的開發策略,並進行了相關國外電信供應商的服務體系實例分析,說明供應商應為運營客戶提供低成本、高值的服務,協助其提升企業核心競爭力,同時供應商的服務模式也將從現的粗放型逐步值服務的新模式,通過該新模式運作力求客戶滿意與公司的平衡,在保證客戶滿意的原則下,既長客戶所需求價值,又能同時強公司的核心競爭力,力求實現客戶滿意和公司滿意的雙贏目標。
  9. Coming into being in end 19th century and early 20th century, marketing theory is one of the most important guidance for transforming management mechanism, improving market share, increasing the international competitive ability and economic efficiency of chinese enterprises in the socialistic market economy reform

    產生於19世紀末20世紀初的市場營銷理論,對于社會主義市場經濟改革中的中國企業經營機制、提高市場佔率、強國際競爭力和經濟重要的借鑒與指導意義。
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