長波長系統 的英文怎麼說

中文拼音 [zhǎngzhǎngtǒng]
長波長系統 英文
long wavelength system
  • : 長Ⅰ形容詞1 (年紀較大) older; elder; senior 2 (排行最大) eldest; oldest Ⅱ名詞(領導人) chief;...
  • : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
  • : 系動詞(打結; 扣) tie; fasten; do up; button up
  • : Ⅰ名詞1 (事物間連續的關系) interconnected system 2 (衣服等的筒狀部分) any tube shaped part of ...
  • 波長 : [物理學] wavelength波長標準 [光學] wavelength standards; 波長測量 wavelength measurement; 波長常...
  • 系統 : 1. (按一定關系組成的同類事物) system 2. (有條理的;有系統的) systematic
  1. At the same time the influence of the cavity in front of slow - wave structure and the length of a smooth drift tube which connect two sections of slow - wave structure are also studied in this dissertation

    然後利用magic粒子模擬軟體模擬了反射器對器件工作性能的影響,同時還分析了慢前面的腔體以及兩段式慢結構中過渡段的度對器件工作性能的影響。
  2. Based on my working experience in beijing trs information technology limited and the particularities and complexity of e - government requirement and purchasing process are studied by using modern marketing theories and methods systematically in the beginning. and the actual status and characteristic of the e - government software market in china was analyzed scientifically through comparing approach of products competing dominance and market share, increscent sales ratio. then competition status of trs e - government system was evaluated by porter five forces model and a conclusion is that trs lacks of competitions power

    本文結合筆者的實際工作,根據政府部門對電子政務軟體產品技術和服務要求的特殊性和其采購過程的復雜性,運用了現代市場營銷理論的基本原理和方法,首先分析了電子政務軟體市場發展狀況和特點,運用產品競爭優勢比較、市場佔有率和銷售增率比較等方法,根據特競爭力模型對trs電子政務的行業市場競爭情況進行了評價,得出了trs電子政務市場競爭力不足的基本結論。
  3. Utilize the principle of wavelength 1 / 4, when there is high pressure to interfere, the lightning conductor will hold up automatically ( discharge ), the normal work of the system

    利用1 / 4原理,當有高壓干擾時,避雷器會自動短路(放電) ,正常工作。
  4. To realize the undulatory control of the flexible fin, a locomotory model is analyzed and a distributed control structure is designed

    針對柔性鰭特有的動控制問題,本文分析了柔性鰭的運動模型,並設計了一種分散式控制結構。
  5. Equilibrium paths of macroeconomics with growth and fluctuation

    宏觀增動經濟均衡軌道
  6. Based on consider hereinbefore, this dissertation discusses several aspects on the problem of the sustainable and optimum exploitation of groundwater resources as follows : ( 1 ) reviewed entirely the origin and evolvement of the concept " sustainable development ", stated and commented the study status in queue on " sustainable development " around national and international range, thorough discussed the science connotation about the concept " sustainable development " ; ( 2 ) looked back and commented across - the aboard some furthest basic concept and proposition related to groundwater resources, put forward self opinions on a few existent mistake points of view and chaos understandings ; ( 3 ) expatiated entirely on the content and meaning of the theory of changeable groundwater resources system, contrast with the traditional methods of groundwater resources calculation and evaluation, combined example to show the application of this theory ; ( 4 ) thorough analyzed the difficult and complexity to forecast the groundwater resources, fully stated the traditional methods of groundwater resources forecasting, pointed out the characteristic and applying condition of these forecasting method, introduced the main ideas and methods of wavelet analysis developed recently, and the matlab software be known as the fifths era computer language, and its accessory wavelet analysis toolbox, applied these methods and tools to analyze the groundwater dynamic curve, adopted the b - j method and morte - carlo method, combined with the theory of changeable groundwater resources system, discussed the new view on the forecast of groundwater resources ; ( 5 ) synthetically analyzed the characteristics and limitations of the present all kind of groundwater manage model, combined mathematical programming mathematical statistics random process and the theory of variation system of groundwater resources on the unite optimum attempter of surface water and groundwater, emphasized how to make the model more nicety, more simple, more practicality ; ( 6 ) analyzed the inside condition and outside condition to assure the sustainable and optimum exploi tation of groundwater resources, the inside conditions are the follows : correct resources idea, scientific methods of resources calculation and evaluation, credible forecast methods of resources, exercisable measures of resources management, the outside conditions are the follows : the development idea of high layer, the transform of manage system, the matched policy and rule of law, the adjusted of economy lever, the improve of cultural diathesis, the boosting up of water - saving consciousness and detail measures, the control of population rising, the prevention and cure of water pollute, the renew and rebuild of ecology ; ( 7 ) scan the sustainable and optimum exploitation of groundwater resources from the high level of metagalaxy, earth system science, and philosophy ; lint out the more directions on groundwater resources

    基於以上考慮,論文主要從以下幾方面對地下水資源可持續開發問題進行了比較深入的探討:全面回顧了「可持續發展」概念的由來與演變,對國內外「可持續發展」的研究現狀進行了述評,並對「可持續發展」概念的科學內涵進行了深入探討;對涉及地下水資源的一些最基本的概念和命題進行了全面的回顧和評述,對目前仍然存在的一些錯誤觀點和混亂認識提出了自己的見解;全面闡述了地下水資源變值理論的內容和意義,並與傳的地下水資源計算評價方法進行了對比分析,結合實例具體說明了方法的應用;深入分析了地下水資源預測預報工作的極端重要性和復雜性,對傳的地下水資源動態預測方法進行了全面的評述,指出了各類預測預報方法的特點及適用條件,對最近二十多年剛發展起來的小分析技術的主要思想和方法及其應用范圍,以及號稱第五代計算機語言的matlab軟體和附帶的小分析工具箱進行了介紹,並應用於地下水動態過程線的分析,採用時間序列中的b ? j法,蒙特卡羅方法,與地下水資源變值理論相結合,探討了地下水動態資料分析和地下水資源預測預報的新思路;綜合分析了現今各類地下水管理模型的特點及缺陷,將數學規劃、數理計、隨機過程等與地下水變值理論相結合進行地表水地下水或多水源的聯合優化調度,使模型更準確、更實用;對保證地下水資源可持續開發的內部條件和外部條件進行了分析,內部河海人學博卜學位論文前言、摘要、目錄條件主要是正確的資源觀,科學的資源計算與評價方法,可靠的資源預測預報技術,可操作的資源管理措施,外部條件主要是高層發展思路、管理體制的變革、配套的政策法規、經濟杠桿的調節、人文素質的提高、節水意識的增強及具體節水措施、人口增的控制、水體污染的防治、生態的恢復和重建等;從宇宙科學、地球科學及哲學的高度審視地下水資源的可持續開發;指出了地下水資源可持續開發的進一步研究方向。
  7. Chapter two describes the technology require of the dwdm system. comparing the definition and target of technology parameter which should be uesd during the projet. for example, the distribution of the wave length, the interface of the laser, the laser amplifier etc.

    第二章描述了目前dwdm的技術要求,對在工程應用中需要用到的技術參數(例如分配、光介面分類、光放大器等)的定義、要求做了剖析。
  8. This thesis presents a design of the tester of the undulatorybiomimetic propulsor and givesan implementation of its control system

    論文介紹了動仿生推進器試驗裝置並具體實現了柔性鰭的動控制
  9. In sar system, the in - phase and quadrate echoes must be sampled simultaneity and stored for a long - time. because of the limitation of hardware, only the available echoes can be stored

    Sar對數據採集和存儲處理需要滿足對正交兩路( i / q )雷達回信號的數據同時採集,並實現高速傳輸和大容量時間實時存儲。
  10. Chapter 4 designs and determines the parameters of the algorithm adopted in the instrument system. analyzes and compares the different effects to frequency estimation when using digital filters with different group delay ; determines the data length, a parameter of frequency estimation ; introduces the method of available judgment of sensing signal and determines the judgment threshold as well

    第四章設計和確定了儀器軟體演算法的部分參數:分析和比較了不同群延遲特性的數字濾器對頻率估計的影響;確定了影響頻率估計參數?數據度的取值規律;給出了判斷傳感信號有效性的檢測方法並確定了檢測門限的取值規律。
  11. The control system of mould level is crucial to improve the slab quality in the continuous casting process, pid controller is used in the traditional mould level control, and it has some defaults, such as : at the start - up or finishing period of casting or during the changeover of tundish, pid control has a bad effect, its overshoot is large and its transient time is long ; the erosion of the tundish stopper and the submersed nozzles lead to the accuracy of control become bad ; the abrupt falloff of block in the submersed nozzles makes the level acutely fluctuate, and pid control can not overcome the disturbances resulted from the change of casting speed

    結晶器液位控制是提高連鑄產品質量的關鍵環節,傳的連鑄機液位控制方法採用常規的pid控制,存在如下不足:開始、結束澆注和換中間罐澆注時,控制效果差,超調量大,過渡時間;塞棒頭和浸入式水口被腐蝕后引起控制精度差;浸入式水口堵塞物的突然脫落所引起的液位劇烈動;無法克服拉速動引起的擾動。
  12. By using the multi - configuration dirac - fock ( mcdf ) method, the effects of relaxation and correlation on the transition energies and probabilities of electric - dipole allowed ( el ) resonance and intercombination transitions for 2p53s3 - 2p6 in neutral neon have been systematically studied firstly. and the results of the transition energies and probabilities ( lifetimes ) in length and velocity gauge have been presented. during the calculation, in order to consider the rearrangement effects of the bound - state density and some important correlations, the asfs of transition initial - and final - states were divided according to their angular - momentum and parity and calculated, and different number of csfs were included in the expansion of asfs

    本文利用多組態dirac - fork ( mcdf )理論方法,通過對輻射躍遷初、末態電子函數的獨立計算以及在原子態函數的展開中考慮不同數量的組態函數,地研究了弛豫和相關效應對中性ne原子2p ~ 53s ~ ( 1 . 3 ) p _ 1 ~ o - 2p ~ 6 ~ 1s _ 0電偶極共振和復合躍遷的能量以及躍遷幾率的影響,給出了度和速度兩種不同規范下激發態的能量和輻射壽命;以中性ne原子的研究為基礎,進一步研究了類ne等電子列離子( z = 11 - 18 )較低的激發組態2p ~ 53s和基組態2p ~ 6的能級結構以及各能級間的輻射躍遷特性。
  13. Actively mode - locked erbium - doped fiber lasers ( edfls ) with a high repetition rate and multi - wavelength fiber lasers are attractive optical sources in future ultra - high speed and all - optical communication systems

    摻鉺光纖激光器( mw - edfls )可以同時為多個通道提供所需光源,被認為是未來距離大容量的光纖通信的理想光源。
  14. The short - baseline interferometer ’ s angle measurement accuracy is influenced by phase difference measuring accuracy, the base length measuring accuracy, the system operating wavelength ( frequency ) and so on, the article analyzes the existing theory, and emphatically analyzes the influence of base length measuring accuracy to the precision of angle measurement

    短基線干涉儀測角精度受相位差測量精度、基線度測量精度、工作(頻率)測量精度等因素的影響,文中,在對原有理論進行分析的基礎上著重分析了基線度測量精度對角度測量精度的影響。
  15. A multichannel spectrophotometric system has been designed for semi - automatic biochemical analyzer to carry out high speed measurement

    摘要設計了一種用於半自動生化分析儀的快速多分光光度
  16. Main conclusions drawn from the analyses of calculating results are as follows : ( 1 ) the microwave absorption of atmosphere gas have obvious attenuation at the wavelengths for cloud detection, thereinto, the water attenuation effect changes greatly, so the 94ghz cloud detecting radar should have water vapor attenuation correction scheme. ( 2 ) when 37ghz and 94ghz radars detect clouds, the difference between the atmosphere and cloud attenuation and the large variety of radar reflectivity conduce the intension of the radar backscatter signals change. ( 3 ) for the thin cloud layer and low water content of cloud, 37 - ghz radar backscatter signals are not as good as 94 - ghz radar, that is to say that the 94ghz radar has better capability in thin clouds detection

    本工作得出如下結論: ( 1 )大氣氣體的微吸收在測雲段產生明顯的衰減,其中水汽衰減效應變化很大;即將上天的空間94ghz測雲雷達必須有水汽衰減訂正方案; ( 2 ) 37ghz和94ghz雷達測雲,由於大氣和雲衰減不同和雷達反射率的很大差異,導致雷達回信號強弱不同; ( 3 )對雲層較薄、含水量較少的雲,在不計雷達參數的情況下, 37ghz雷達回信號不如94ghz測雲雷達,也就是說94ghz對薄雲有更強的探測能力;對雲層較厚、含水量大的雲,由於強衰減的作用, 94ghz雷達回信號小於37ghz雷達; ( 4 )從大氣衰減的不利因素方面考慮,空間94ghz雷達測高層薄雲的效果最好;測低層薄雲時需要考慮氣體衰減訂正;因濃厚雲的強衰減作用,探測其中下部的能力大大減弱,不僅要進行衰減訂正,而且要藉助其他信息來反演整個雲層的含水量垂直分佈; ( 5 )為了獲得從極薄到極濃厚雲的垂直分佈探測能力,未來測雲雷達最好採用雙甚至三(如94 、 37和13ghz ) 。
  17. Ingaasp long - wavelength quantum well laser is at present appied most extensively in optical fiber communication. structuring its circuit model can optimize the design of the optical transmitter and it is significant to design high - qualitied optical communication system

    Ingaasp四元量子阱激光器是目前在高速光纖通信中應用最為廣泛的一類激光源,構建其電路模型有助於完成光發射機的優化設計,這對于高質量的光通信傳輸有非常重要的意義。
  18. The finite element method ( fe '. i ) is adopted to analyze the effects of the numbers of coil turns, current intensity and current frequency upon the rate of joule heat generation in details. the thermo - radiation analytical countermeasures of various types are adopted to carry out the numerical analysis of the effects of the crucible with different shapes and sizes and the blind holes with different depths opened in the tops of crucibles as well as coil positions upon the thermal field distribution whereby solving the main problem of field the thermo - field design of the induction - heating sic crystal growth system. a new combination idea of the thermo - field design obtained by means of the united design of the thermo - insulator and blind holes has been presented

    採用有限元分析方法對線圈匝數、電流強度、電流頻率等對焦耳熱產生速率的影響進行了詳細的分析討論;採用不同的熱輻射分析策略,對不同坩堝形狀、坩堝頂部開設不同深度的盲孔以及線圈的位置等對熱場分佈的影響進行了數值分析,解決了感應加熱碳化硅晶體生熱場設計的主要問題,提出了通過絕熱層與盲孔的聯合設計獲得所需熱場設計的思路,給出了根據軸向溫度梯度的動對線圈位置實行動態調節以控制熱場的理論依據。
  19. This research is aim at putting forwarding laser wavelength scanning interference testing method. processing and analyzing instantly - read interference pattern corresponding with continuous varying wavelength, the method overcomes the following disadvantage. for example, the longer referenced and measuring optical circuit in big - scale high - accuracy asphere testing, and the sensitive interferential system to the disturb, such as the oscillation of worklable, dithering of air, and so on

    研究的目的主要是針對大型高精度非球面面形檢測中干涉儀的參考光路和測量光路較,干涉對工作臺振動和空氣抖動等外界干擾因素的影響敏感,干涉圖不穩定等問題,提出了激光掃描干涉測試方法,該方法通過對瞬間讀取的、與連續變化對應的干涉圖的處理和分析,克服了上述缺點,為大型高精度非球面的檢測提供了一種適用的方法。
  20. The paper studies mainly a new kind of measure method of aspheric surface - laser wavelength - scanning interference testing. this research is aimed at putting forwarding laser wavelength scanning interference testing method. processing and analyzing instantly - read interference pattern corresponding with continuous varying wavelength, the method overcomes the following disadvantage : the longer referenced and measuring optical circuit in big - scale high - accuracy asphere testing and the sensitive interferential system to the disturb, such as the oscillation of worktable, dithering of air, and so on

    研究的主要目的是針對在大型高精度非球面面形檢測中干涉儀的參考光路和測量光路較,干涉對工作臺振動和空氣抖動等外界干擾因素的影響敏感,干涉圖不穩定等問題,提出了激光掃描干涉測試方法,該方法通過對瞬間讀取的、與連續變化對應的干涉圖的處理和分析,克服了上述缺點,為大型高精度非球面的檢測提供了一種適用的方法。
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