最大工作頻率 的英文怎麼說

中文拼音 [zuìgōngzuòbīn]
最大工作頻率 英文
maximum operation frequency
  • : 副詞(表示某種屬性超過所有同類的人或事物) most; best; worst; first; very; least; above all; -est
  • : Ⅰ名詞1 (工人和工人階級) worker; workman; the working class 2 (工作; 生產勞動) work; labour 3 ...
  • : Ⅰ形容詞(次數多) frequent Ⅱ副詞(屢次) frequently; repeatedly Ⅲ名詞1 [物理學] (物體每秒鐘振動...
  • : 率名詞(比值) rate; ratio; proportion
  • 頻率 : frequency; rate
  1. Even under the condition that the filling pressure was up to 1. 5mpa, the onset temperature was only 237 ?. with the filling nitrogen of 0. 9 mpa, the maximal pressure ratio reaches 1. 21 and the operation frequency is 25 hz. the ratio of the harmonic wave of the engine was very little and the frequency jumping was not found in present experiments

    在充氣壓力為0 . 9mpa的條件下,該熱聲發動機壓比可達1 . 21 ,遠高於駐波型熱聲發動機,實驗結果和理論分析均表明系統的為25hz左右,實驗裝置的諧波比例非常小,且也沒發現跳變等現象。
  2. Choose two nodes on the edge of the structural to compare the results calculating by the finite element program midas, then we can draw a conclusion that these kinds of space truss systems is sensitive to the libration of the dynamic wind loads. to consider this factor is very necessary in the process of design, we will use the pulsant augmentation coefficient to realize it

    比較靜力風荷載和動力風荷載用下的有限元軟體的計算結果,選取結構邊緣部分的兩個節點,對比它們在兩種方法計算下的位移的計算結果。經過比較可以看出重量輕、低、阻尼小的柔性建築物對風荷載的橫向振動是很敏感的,在進行程設計時應該考慮這種因素,並可採用乘以風振系數等相應方法來加以體現。
  3. The research result indicated : for the strip primary mirror discussed in this article, the hexagon light - weighted cell has the best structural rigidity quality, the square cell is a little worse, the triangle cell is the worst ; there is an optimum on primary mirror thickness ; on condition of 1g gravity load combining with 4 centigrade uniform temperature rising, the thinner and higher of the flexible support reed, the better of the primary mirror surface figure. the decision of the structural parameters of the flexible support reed must take static rigidity, dynamic rigidity, static strength and dynamic strength of primary mirror assembly into account

    研究結果表明:對于本文的長圓形主鏡,採用正六邊形輕量化孔,鏡體結構剛性品質好,正方形次之,正三角形差;主鏡鏡體厚度存在佳值;主鏡組件在1g重力、均勻溫升4共同用的況下,主鏡柔性支撐簧片厚度越小、高度越高,主鏡綜合面形誤差( p - v值)越小,但同時主鏡組件的剛體位移增、固有下降,因此柔性支承結構參數的確定要綜合考慮主鏡的綜合面形誤差和主鏡組件靜態剛度、動態剛度、靜態強度和動態強度等因素。
  4. 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,從四能級速方程出發,推導了ld泵浦nd : yag激光器的閾值、輸出功和斜效的表達式,並簡述了激光器的原理、結構型式和倍方法;其次,以空間相關的速方程為基礎,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、佳輸出耦合、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ld泵浦nd : yag激光器和透鏡組耦合高功ld泵浦nd : yag激光器,對激光器的輸出功和功穩定性等特性進行了實驗研究;再次,在帶尾纖輸出的高功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;後,根據泵浦光焦斑端面位置對激光輸出功的影響規律,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學碩士學位論文蕩光束腰半徑時,激光輸出功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,隨著泵浦功的增加,測量范圍擴,靈敏度提高,當端面泵浦功為7 . 24w (輸出功為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 。
  5. 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理論分析和實驗研究,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功w波段微帶集成振蕩源,為94 . 785ghz ,輸出功於7mw 。
  6. The features of the new type of integration scheme can be described as follow : high division and easy debug are achieved in the scheme ; accumulative total is used, and the discord of integer part and decimal part are avoided in the scheme ; it can divide as well as detect direction ; it can integrate the counter into isp device and then evaluate the maxim frequency of the counter ; it also integrate square wave and some logic devices into isp device, and then improve integration, reliability, stability ; and have the character of software designation instead of hardware designation and in - system programming, and it becomes very easy to modify the circuit and to extend the function

    新型的集成化設計方案具有以下特點:細分數高而且調整方便;採用累積計數,避免小數分別計數的不協調;細分同時完成辨向;可以在isp器件內完成計數功能,從而提高了計數器的;同時將方波發生器和一些外圍的數字電路集成在一片isp器件內,提高了系統的集成度,性能可靠穩定;具有硬體設計軟體化及在系統可編程的特點,便於電路的修改和功能的擴展。
  7. Many basic circuit models are fabricated, and the material parameters are selected to make the devices reaching its highest working frequency

    做了量基本電路模型,選取了使器件達到的每一個元件的具體參數。
  8. In this part, the high - frequency series inverter with resonant pole capacitor is introduced mainly. the current - exchanging processes of the inverter in different working modes are analyzed, how to reduce the switching loss is discussed, and the calculating methods of snubber capacitor c, factor angle switching frequency and pulse width pw are given in optimum switching process. and results of simulation and experiment verify the validity of theoretic analysis

    接著重點研究了含有諧振極無損緩沖電容的逆變器,對其換流過程中的不同狀態進行分析,討論了如何減小逆變器的開關損耗,給出了狀態下緩沖電容c 、感性角、開關、觸發脈沖的脈寬pw的詳細計算方法,並通過量的模擬和實驗波形證明了理論分析的正確性。
  9. The maximum permissible error when the working frequency of resistor is equal to or lower than the measurement frequency

    電阻箱的等於或低於測試上限時的允許誤差。
  10. At the operating voltage and current less than rated values, the amplifier provides a maximum of 5. 94 - w ( continuous wave ) output power when driven into saturation. the average combining efficiency over the operating band was estimated at 82 %. the maximum combining - efficiency and the overall power - added efficiency ( pae ) is 87 % and 13. 6 %, respectively

    該功合成放器在低於mmics功單片額定值的情況下獲得了1 . 7ghz帶寬的飽和輸出功5 . 94w (連續波) ;整個帶內合成效估計平均為82 % ,合成效達87 % ,功相加效( pae )約為13 . 6 % ;若電源達到mmics單片的額定值,估計輸出射將會達到7w 。
  11. Designed and implemented nic with 0. 35 um very large scale application specified integrated circuit ( asic ) the die size of nic reaches 350k gates and run at 200mhz 4

    設計並實現了網路介面控制器nic 。 nic採用超規模專用集成電路asic技術實現,晶元規模為35萬門,採用0 . 35 m藝,達到200mhz 。
  12. The system have follow characteristic : we used tlc5540 for digital converter, the maximum conversion rate of the tlc5540 is at least 40 msps ( mega samples per second ), and the typical analog input bandwidth is more than 75mhz. the design between tlc5540 and tms320vc33 interface directly

    該系統主要特點如下。我們採用的a d轉換器可到40mhz 。 tms320vc33和a d之間直接介面,限度地發揮了a d轉換器的能力。
  13. In this paper, a three phases high - voltage power mos gate drive integrated circuit has been researched and designed successfully. it is a typical spic, which could be widely used in high power motor control and switching power supply applications. the design goal of the circuit are v0ffset ( max ) is 500v, ia ( m ~ ) is 1 a, the highest frequency of operation ( f ( ~ x ) ) is 100khz

    本文研製成功了一種可廣泛用於電機控制、開關電源等應用中的spic電路?三相高壓功mos柵驅動集成電路,其設計指標要求為:高偏置電壓( voffset ( max ) )為500v 、輸出電流( i _ o ( max ) )為1a 、為100khz 。
  14. The structure of circuit are highly integrated. it not only has a simple structure, but obtains a more high frequency of signal processing than the circuit based on singlechip. ( the highest working frequency of sinlechip circuit is about 12m while this system almost reach 50m ) a higher speed of signal processing ensure the system achieve a better display quality

    本系統將pld晶元設計成系統信號驅動的控制晶元,實現了電路結構的高度集成化,不僅結構簡單,而且信號處理的高於單片機電路(普通單片機電路為12m左右,而本系統控制晶元達到50m以上) ,更快速的信號處理速度保證了系統產生更優良的圖像質量。
  15. The power driver yields output power with a gain variation less than 1. 18db and a maximum of 1. 37 - w output power within the entire band of interest. the large - signal bandwidth of this power - driver is 1. 5ghz

    在驅動級放器的范圍內實測的功增益不平坦度小於1 . 18db ,獲得的輸出功( 1 . 37w )帶寬優於1 . 5ghz 。
  16. The features of this circuit are designed as : the input voltage ranged from 2. 5v to 7v, and the working frequency is fixed at 1. 0mhz, pwm maximum duty cycle is 87 %. this ic chip can be used to drive white led displays in cellphone, digital camera, mp3 player, pda and other portable digital devices

    該電路的輸入電壓范圍是2 . 5v ~ 7v ,1 . 0mhz ,輸出信號占空比為87 % .此晶元可以用於驅動手機, pda ,數碼相機, mp3等數碼產品的led 。
  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為40w的225 450mhz的線性功器。由於該功放要求輸出功帶寬,帶內增益波動小,線性度高,所以其終合設計難度。鑒于這個原因,在理論設計上筆者採用了寬帶匹配、功合成、功回退、負反饋、自動功控制等技術;在實踐中精心設計電路,並且配合eda軟體模擬,終達到所要求的指標。
  18. A high voltage power integrated circuit based on soi is developed, which has the following features : the breakdown voltage of power mosfet exceeds 600v, the highest operating frequency is 150 khz, and the largest output current is 1a

    論文設計實現了一種基於soi的高壓驅動電路,其性能指標為:耐壓600v ,150khz ,輸出電流1a 。
  19. The results also show that the tapered slow wave structure does not affect the output frequency obviously and that the maximum output power of the tapered milo could reach 5. 84gw at frequency 4. 53ghz when the input voltage is 800kv

    在輸入電壓800kv時,模擬得到的漸變型c波段milo輸出功為5 84gw ,此時的為4 , 53ghz 。據模擬得到的結果,判斷出milo輸出的微波模式是tm模式。
  20. With an experimental system built and two different switches designed by ourselves, a serial of high - energy high - coulomb repetitive experiments were performed at voltage up to 100kv, peak current up to 85ka, charge transfer up to about 0. 6c per pulse, repetition rate up to 10hz, and single shot energy up to 5kj

    建立了一個高平均功開關實驗系統,設計和實驗了兩種實用的三電極重復氣體開關。實驗獲得的參數為:電壓100kv ,峰值電流85ka ,電荷傳遞量0 . 6c脈沖,重復10hz ,單脈沖能量5kj 。
分享友人