泵輸入功率 的英文怎麼說
中文拼音 [bèngshūrùgōnglǜ]
泵輸入功率
英文
puminput power- 泵 : 名詞(吸入和排出流體的機械) pump
- 輸 : Ⅰ動詞1 (運輸; 運送) transport; convey 2 [書面語] (捐獻) contribute money; donate 3 (失敗) l...
- 入 : Ⅰ動詞1 (進來或進去) enter 2 (參加) join; be admitted into; become a member of 3 (合乎) conf...
- 功 : 名詞1 (功勞) exploit; merit; meritorious service [deed]: 戰功 military exploits; 立功 render me...
- 率 : 率名詞(比值) rate; ratio; proportion
- 輸入 : 1 (從外部送到內部) import 2 [電學] input; entry; entering; in fan; fan in; 輸入變壓器 input tra...
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Contrapose to the instability of the third - order charge - pump pll system, the loop optimization method is employed in system level design to decide the bandwidth and phase margin, therefore the loop bandwidth locates at the maximum phase margin to guarantee the stability of the system. according to tsmc 0. 35 m sige bicmos model, the sub - circuits in the designed pll and the whole system are simulated and verified by the cadence spectre
5 .根據tsmc0 . 35 msigebicmos工藝模型,利用cadencespectre模擬軟體對所設計的電荷泵鎖相環路中各個模塊及整個系統進行了模擬模擬,模擬結果顯示,在1 . 5v電源電壓下,頻率為200mhz的參考輸入信號,輸出中心頻率為800mhz ,分頻電路採用4分頻,環路帶寬為10mhz ,捕獲時間大約為0 . 92 s ,功耗大約為15mw ,達到了設計指標。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,從四能級速率方程出發,推導了ld泵浦nd : yag激光器的閾值、輸出功率和斜效率的表達式,並簡述了激光器的工作原理、結構型式和倍頻方法;其次,以空間相關的速率方程為基礎,提出了ld端面泵浦nd : yag激光器的設計方法,給出了一定泵浦耦合方式下,振蕩光模尺寸、最佳輸出耦合率、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功率ld泵浦nd : yag激光器和透鏡組耦合高功率ld泵浦nd : yag激光器,對激光器的輸出功率和功率穩定性等特性進行了實驗研究;再次,在帶尾纖輸出的高功率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輸出功率的影響規律,提出了ld端面泵浦nd : yag激光位移傳感新方法,並進行了理論和實驗研究,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理工大學碩士學位論文蕩光束腰半徑時,激光輸出功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功率,隨著泵浦功率的增加,測量范圍擴大,靈敏度提高,當端面泵浦功率為7 . 24w (最大輸出功率為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 。Thirdly, it simulated the pumping circuit & dividing circuit with the widely used software matlab / simulink. the displacement of the rod piston and the impact of hydraulic are analyzed in the different input flow ( frequency of pump ) and different reversing time. it found out the cause of hydraulic impact ( one - to - one incorrespondence between the response time of dividing circuit and the operation time of rod piston ), and gave some methods to weaken hydraulic impact. in the final part of the paper, the reliability of the theory analysis is further verified by the experiment of hydraulic system
首先在流變學原理的基礎上,深入分析混凝土在輸送管道內的流動狀態,得出混凝土泵的負載特性方程;然後根據功率鍵合圖的建模方法,建立泵送迴路和分配迴路的數學模型,並運用模擬軟體matlab simulink對泵送和分配迴路模型進行了模擬,分析了在不同的輸入流量(泵送頻率)和換向時間下,活塞桿的位移和系統的液壓沖擊情況,找到了引起液壓沖擊的根本原因(即分配迴路的響應時間(固定值)與活塞桿的運動時間(變化值)不相匹配) ,並提出了相應的改進方法。Pumps - rotodynamic pumps - circulation pumps having a rated power input not exceeding 200 w for heating installations and domestic hot water installations - noise test code vibro - acoustics for measuring structure and fluid - borne noise
泵.旋轉動力泵.家用熱水置裝和供熱裝置用的額定功率輸入不超過200w的循環泵.測量結構和流體導聲的噪音試驗編碼聲振搗At first, modeling of these divvies by rate equations to obtain expressions for threshold and slope efficiency is given. on the case of this theory, the large numbers of literatures and datum are consulted, and the laser is home studied. through rationally selecting and improving the reflector surface, ensuring the beam quality, increasing farthest the absorption path, and improving effective pumping frequency ; through designing the water cooler of yag bar, the volume of laser is half the same internal and international production, and the output power is get to the extremum of the same international production
並在此基礎上查閱了大量文獻和資料,對該種激光器進行了深入的研究,通過對yag棒直徑的合理選取併合理地改進反射鏡面,從而既保證了光束質量又最大限度的增加了吸收長度,有效的提高了泵浦效率;在不影響泵浦的前提下,通過有效縮短yag棒的長度減小輸出損耗;對yag棒的水冷系統進行優化結構設計,使激光器體積減小到國外同類產品體積的一半,而輸出功率已達到國外同類產品的極限值。The fundamental properties of cr4 + : yag is researched, and rate equation is given when the gauss ' s distribution is considered
當注入泵浦功率為8w時,得到2 . 85w的激光輸出。We have realized c - cut nd : gdvo4 laser for the first time. when the incident pump power is 8w, the output power 2. 85w is obtained
在注入泵浦功率為8w時,得到3 . 85w的連續波激光輸出。The laser give out 10. 7mw green light, pumped 900mw. we observed it for 40 hours, the noise of green power is lower than 1 %. we optimized the laser cavity later
激光器工作在相互平行的多縱模模式下,在900mw的泵浦輸入功率下得到倍頻光功率為10 . 7mw , 40小時連續輸出光功率噪聲1 。The ic modulation circuits and microprocessor are used in the control unit. on the side of input of inverter, the maximum power point tracking of solar module is well realized by using a kind of thought of self - optimizing control ; on the side of output of the inverter, a kind of approximate optimum v / f control strategy is used in order to optimize the match between the output of the inverter and load of motor - pump
在逆變器輸入側,採用自尋優控制思想實現太陽能電池最大功率點跟蹤( mppt ) ;在輸出側,採用了v / f近似優化的控制策略,以優化逆變器輸出與機泵負載之間的匹配。The amplification characters of er3 + / yb3 + co - doped fiber are studied in our experiments. when the doped fiber length is 50cm, the amplified signal power is 170mw and the gain is 12. 2db in the case of signal power of 10. 8mw and pumping power of 2. 5w
本論文著重研究了採用一級放大時,信號光在雙包層光纖中的放大特性,截取50cm的光纖,在輸入泵浦光功率為2 . 5w ,信號光功率為10 . 8mw時,獲得了170mw的放大信號光輸出,增益為12 . 2db 。This experiment include many contents, in a word, that is summer condition experiment, winter condition experiment > summer - winter transition condition experiment and winter - summer transition condition experiment, furthermore summer condition experiment still include flux changing experiment and winter condition experiment still include thermal balance experiment this article dealt with the data of the test, calculating out energy absorbing ( energy discharging ) of buried pipe in winter condition ( summer condition ), input power of heat pump x heat exchanging of piece buried pipe length x co - efficiency performance ? op ( energy efficiency rate ? er ) and average heat exchanging coefficient ; in additiont this article compares the inlet water temperature and outlet water temperature of underground the first layer and the second layer buried pipe when heat pump was running, the results are that the heat exchanging ability of the second layer buried pipe outgos the first layer buried pipe, and heat exchanging is more stable ; and still analyse earth temperature resuming in the transition season. the results are earth temperature resume fast in the first week when the heat pump runs off
本文測試內容相當多,概括地說就是四個工況的測試,即夏季製冷工況的測試、冬季供熱工況的測試、夏?冬過渡季測試和冬?夏過渡季測試;另外在夏季工況的測試中還進行了變流量測試,在冬季工況的測試中還進行了熱平衡測試。本文對測試數據進行了處理,計算出了冬(夏)季工況埋管吸(放)熱量、熱泵空調器供熱量(製冷量) 、熱泵空調器輸入功率、埋管單位管長換熱量、供熱性能系數(製冷能效比)和平均傳熱系數等;另外,還比較了熱泵運行時地下一二層埋管進出水溫度變化情形,得出地下二層埋管換熱能力優于地下一層埋管,且換熱很穩定;並分析了過渡季地下一二層埋管溫度恢復情形,得出熱泵系統停機一周內地溫恢復特別快。To accelerate the development of next generation high dwdm system, the pape r also researches the property of gain. based on optical wave nonlinear transmission equation, the gain model of fra is established. by the way of numerical analysis, it is obtained that the gain of fra has relation with pump power, input signal wave power, the effective area and absorption of fiber. the obtained conclusion has definite instruction to the design of fra
為了促進下一代超高速dwdm密集波分復用技術的發展,本文還研究了光纖喇曼放大器的增益特性,根據光波非線性傳輸方程建立光纖喇曼放大器增益模型,通過數值模擬分析了泵浦波功率、信號輸入光功率、以及光纖有效面積和損耗對光纖喇曼放大器增益的影響,得出了一些對光纖喇曼放大器的設計有一定的指導意義的結論。For saving driver ics ' power consumption and cost, this research proposes a novel display pixel design with integrated charge pump circuits. the proposed display pixel design can supply driving voltage more than double the input voltage to display pixels. there are two advantages for this developed novel pixel design. first, the power consumption of the panels with the proposed novel pixels can be reduced due to the lower voltage on data lines. second, the high voltage driver ics are not necessary, such that the cost and power consumption of the corresponding driving systems can be diminished. from the simulation results, the pixel voltage indeed could raise to more than double input voltage by this proposed design. in addition, the pixels with charge pump circuits also retrench about half power consumption than the conventional display pixels
為了節省面板電路驅動晶元的功率損耗以及製作成本,本研究提出一種新的像素電路設計,而在設計中將會融合電荷泵電路.利用這種電路設計的像素可有效地將像素電極上的驅動電壓提高到輸入電壓的2 3倍以上.此像素電路設計具有兩個優勢:第一,可以有效降低顯示面板的像素功率損耗;第二,不需高電壓的面板電路驅動晶元,因此可節省晶元的成本及功率損耗.由模擬結果可知,像素電極上的驅動電壓確實可由此像素電路設計而提高到輸入電壓的2 3倍以上;而像素的功率損耗也可有效地降低,約為傳統像素的1 / 2The charge pump automatically switches between 1x / 1. 5x modes based on the input voltage, to maintain correct output levels at a high power efficiency. the led driver regulates the current of leds to a value configured by the outside control signal. the four led output channels are current matched for consistent led brightness
電荷泵電路的功能是根據輸入電壓自動選擇1 . 5x或者1x電荷泵工作模式並輸出相應電壓信號,有較高的功率轉換效率;電流控制電路的功能是實現幾個並聯led通道的電流匹配並根據外加輸入信號控制led電流的大小。Ld - pumped nd : yag, lbo ( type - i critical phase matching ) intracavity frequency doubled, blue laser at 473nm was obtained finally. under the condition of 14w pump power, high power tem00 mode blue laser at 473nm of 1. 1w was obtained. by means of inserting diaphragm into cavity, the power fluctuation and beam mode were improved ; in the experiments, the proportion of special mode matching in quasi - three - level laser was discovered, and the phenomenon were explained reasonedly
實驗上採用對熱效應不敏感的三鏡折疊腔, ld泵浦nd : yag ,類相位匹配lbo作為倍頻晶體,獲得了1 . 1瓦的連續473mn藍光輸出;採用腔內插入光闌的方法,有效克服了功率抖動,同時改善了光斑模式;實驗中發現準三能級激光器存在兩個空間模式匹配比例關系,並對這一現象給出了合理的解釋。Performs the optimization with finite time thermodynamic analysis and obtains the allocation of heat exchanger area for double - stage coupling heat pump systems that maximize the objective function, and the analytical expressions about the optimal temperature of working fluids, the minimum total heat exchanger area and the minimum power input
摘要應用有限時間熱力學理論對雙級耦合熱泵供暖系統換熱器面積進行優化,得到了系統供熱系數最優時的最佳傳熱面積分配,最佳工質工作溫度、最小總傳熱面積以及最小輸入功率的解析式。The length of cavity is shortened by 5mm and the result of experiment is pleased. when the pumped light was 400mw, we gain the green light about 8mw
在400mw的泵浦功率下得到8mw的綠光輸出,在溫度變化以及不同的泵浦功率輸入下,功率噪聲始終1 。When the pump power of the input pulse was lower, the enhancement on sc spectrum generation due to cross - phase modulation effect is more significantly. the cross - phase modulation effect increased the sc spectrum generation efficiency greatly
當輸入脈沖的泵浦功率較低時,交叉相位調制效應對超連續譜的產生的增強效果更為顯著,它極大地提高了超連續譜的產生的效率。分享友人