最佳頻度 的英文怎麼說

中文拼音 [zuìjiābīn]
最佳頻度 英文
best 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...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • 最佳 : the best; optimum
  1. Win2000 bed lift is of personalized design, ultra - stable operation, to offer quietness and comfortableness to the greatest extent to patients with warm colors. it is provided with variable voltage variable frequency device, to produce the best operating curve in accordance with the physiological requirements of human body, to show make the safe, comfort, stable and excellent perfomance in the whole process during the operation of the lift from start, acceleration, deceleration to stop. optional cut - off emergency leveling device may be equiooed at the demand of user to ensure that the passengers inside the lift can be rescued in case of power cut - off accident

    Win2000系列病床電梯以人性化的設計,超平穩的運行,給予病患者大程的安靜舒適增添溫馨的色彩。採用先進vvvf調調壓調速裝置,按人體生理要求由電梯優化產生的運行曲線,使電梯的起動加速減速停止過程處處體現安全舒適平穩的卓越性能。根據用戶要求可選裝停電應急平穩裝置,確保以外停電時,被困電梯內的乘客能及時獲得解困。
  2. A building of high, the breadth, long comparison is very important. house for combination in an ideal of big set, reruns hour then contain the best frequency to respond to the width. frequency response range in other words, the combination can broadcast tallest to can also fully develop to the lowest frequency, and the equilibrium degree is as well high, and halt a circumstance is very tiny. the first glint wave primary reflection mutual interference for with wave secondary reflection of many glints the degree is not to result in confusion. combination that fundermental the diapason wave harmonics is again perfect

    大套組合在一間理想的房子里,重播時便有率響應寬frequency response range 。換句話說,組合所能播放的高至率也可以盡情發揮,平衡亦高,駐波情況極微。第一反射音波primary reflection和多次反射音波secondary reflection的互相干擾情不至造成混亂。
  3. Principal conclusions were drawn as the following : the non compatibility of pressure or velocity of the gas on both sides of the contact surface is the cause of the formation of shock wave ; the heating effect of reflective shock wave to driving gas during charging or exhausting process is the internal mechanism of peak oscillating effect, and all the factors that influence the formation and the running of the shock wave will influence the peak oscillating frequency, cooling effect

    主要結論如下:熱分離機內激波形成的原因是射氣瞬間接觸面兩側壓力和速不相容;峰值振蕩效應的內在機制為反射激波對充氣階段的驅動氣或低溫排氣的加熱,凡是影響激波形成及運動的因素都將對峰值振蕩率、冷效應及熱效應產生影響;當充、排氣時間比為0 . 1763時,射流激勵率出現在高階峰值振蕩率上。
  4. For video codec, after analyzing and researching the newest standard h. 264, an efficiency algorithm was proposed in this paper using self - feature, spatial correlation and temporal correlation to judge the encoding mode of one macro - block. through this method, the best prediction mode can be obtain before encoding, then, the coding time can be reduced dramatically with a little expense of bit - rate. for video transmission, in this paper, a transmit method was proposed using tcp / ip protocol under the environment of local networks

    首先,在分析及研究新的視編碼標準h . 264的基礎上,利用宏塊自身的特點和其時間、空間的相關性來判斷宏塊應該採用的編碼模式,從而提前得到該宏塊的編碼模式,新方法有效地克服了原標準演算法中窮舉式的復雜演算法,在壓縮碼流只有少許增加的情況下,大幅地提高了幀內及幀間編碼的速
  5. Based on that penetration depth of eddy current is theoretically different for different operationalfrequency, the flaw depth quantitive measurement method based on the characteristicalfrequency was expounded. to find the best testing model and position, it analysed and discussedthe factors which effected measurement. the mathematic relationship between the specialfrequencyand flaw depth was established to realize the accureate measurement of flaw depth. it primarily researched the technology of alternating current magnetic field leakage testing ( ac - mfl ) in our country

    在利用率掃描技術的基礎上,提出了基於拐點率的渦流檢測缺陷深測量方法,對影響測量的多種因素進行了分析和實驗研究,得到了的測試位置和測試方法,建立了拐點率和缺陷深的定量關系,為深的測量提供了新的途徑。
  6. Firstly, we analyze the character of nd : yag, bbo and lbo, for nd : yag crystal and select the nd : yag as the gain medium and lbo as doubling - frequency crystal. ln the theory, analyzing the parameter of the gain medium length, the ratio of the pump - and laser - beam waists. based on the above analysis, we design the resonance cavity

    首先,我們對增益介質的性質和非線性晶體bbo和lbo的一些性質進行了比較,選取nd : yag作為增益介質, lbo作為倍晶體。理論上分析了激光器設計中的一些參數值,如增益介質長、模式交疊率、條件,並根據理論分析結果設計了諧振腔。
  7. 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;主鏡鏡體厚存在值;主鏡組件在1g重力、均勻溫升4共同作用的工況下,主鏡柔性支撐簧片厚越小、高越高,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大、固有率下降,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、動態剛、靜態強和動態強等因素。
  8. The product is suitable for double straight line smoothing of grinding flat glass. coarse grinding, fine grinding, and polishing can be done at one time. adopt plc control system, which sets processing parameters via interface, and finishes processing at one time, ti has stable bottom structureprecise and smooth transmission system, the transmission belt drive adopts strong power and tran - sfrequency motor to control speed, constant power, constant rule, output and advanced equipment to control, completed product has high polishing level, which is an ideal option assistant processed equipment of processing delicacy glass and furniture glass factory

    本產品適用於磨削平板玻璃是雙直線平邊,粗磨精磨拋光一次完成採用plc控制系統通過界面設定加工參數次完成加工,具有穩重扎實的底座結構,精確流暢的傳動系繞,傳送皮帶驅動採用功率變電機調速控制,恆功率恆扭矩輸出和高配置的控製成品拋光亮高是加工精品玻璃和傢具玻璃廠家使用的輔助加工設備。
  9. 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、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;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,測量范圍和靈敏依賴于泵浦功率,隨著泵浦功率的增加,測量范圍擴大,靈敏提高,當端面泵浦功率為7 . 24w (大輸出功率為1 . 926w )時,激光位移傳感器的測量范圍和靈敏分別是13 . 045mm和0 . 148mw / pm 。
  10. Proved with the mixing rate using parameters tw and r ^ it showed that large amplitude and high frequency could greatly enhance the mixing rate. but at large st, the rate of attenuation appears to be in periodic fluctuation at the range of low frequency, so there must be some best partnership of amplitude and frequency

    用參數t _ w 、 r _ ( 15 )表徵的混合效率表明:總的來說大振幅、高率有利於混合,但在st較大的低率區中衰減速會有周期波動的特性,存在率振幅配對。
  11. Analysis indicates the " low pressure closed reticular flow region " results in the non - equilibrium of pressure along the primary jet ' s orifice. to obtain as large vectoring angle as possible, the optimal ranges of angles, frequencies, velocity amplitudes, and distances from the microjet actuator to the primary jet exit were discussed. the relationship between the vectoring angle of the primary jet and the phase - difference of two adjacent actuators was analyzed

    分析了「拉」模型單作動器模式下,微射流作動器的入射角、驅動率、速幅值及與主射流間的距離對主射流偏轉程的影響,並確定了作動器工作參數的范圍;分析了「拉」模型雙作動器模式下,不同的相位差對主流偏轉程的影響。
  12. Quick and frequent cutting for a few sets of capacitors shall be carried out, of which the factors of electric power shall be maitained in optimum condition so as to minimize the line loss, increase effective output capacity of distrubuting transformer and optimize the quality of power demand

    對多組電容器進行快速而繁的投切,使受電功率因數始終保持在狀態,從而大限地降低線路損耗和增加配電變壓器的有效輸出容量,優化用電質量。
  13. In chapter 3, we studied the effect of gaussian transverse profile for the driving and laser fields on lasing without population inversion ( lwi ) in a closed v - type system and an open v - type system. moreover, we discussed also the effect of the unsaturated gain coefficient, the cavity - damping rate, the ratio of the atomic injection rates and atomic exit rate on the corresponding systems. in chapter 4, we mainly discussed the effect of doppler broadening on the gain, dispersion and the frequency up - conversion of the open v - type lwi system and compared the differences and the same between the open system and the corresponding closed system

    發現: ( 1 )在考慮doppler展寬的情況下,通過選取合適的實驗室條件(比如合適的原子環境溫等)可得到合適doppler展寬值,從而使系統獲得增益; ( 2 )要想實現系統的率上轉換,同時又要獲得足夠強的無反轉激光增益,則系統率轉換比不能選取的太大; ( 3 )對于開放系統,比較小的粒子注入速率比與退出速率對產生無反轉激光是有利碩士學位論文摘要的: ( 4 )由於dopp1oy展寬的存在,當探測場與驅動場的傳播方向相反時,增益在探測場失諧的某一段區域產生振蕩,且振蕩的振幅、率失諧范圍的大小與dopper展寬的取值有關。
  14. Frequency of piston and best temperature of glue are adjusted by operator according to the current production data so as to get the maximum glue current and reduce the waste of glue

    操作者根據當前的生產數據適時調整活塞往復率和膠水工作的,減少膠水非生產性消耗。
  15. 22 paired inferior collicular neurons were obtained in the experiment. the neurons were recorded in the depth of 198 - 1254 u m ( 544. 59 ? 72. 37 n m, m + sd ), and their bfs were 11. 25 - 59. 29 khz ( 26. 77 + 9. 95 khz, m ? d ) : the minimum thresholds ( mts ) werelo - 66 db spl ( 38. 14 ? 14. 39 khz, m + sd ) ; the latencies were 4. 0 - 16. 0 ms ( 8. 19 + 3. 14 ms, m + sd ) ; the best intervals between paired sound pulses were 0. 01 - 28. 71 ms ( 3. 93 + 2. 52 ms, m ? d ) 0 the results showed : l ) there were interactions between the neurons in the iso - frequency lamina and hetero - frequency lamina which included mutual inhibition ( 18 / 22, 81. 8 % ) and mutual facilitation ( 4 / 22, 18. 2 % ), and the mutual inhibition in iso - frequency lamina was stronger than that in hetero - frequency lamina ; 2 ) the mutual inhibition decreased with sound level increasing ( p < 0. 001, anova ) ; 3 ) the analysis of the inhibition of discharge rate at lodb above mt showed that the inhibition increased when the paired neurons " bfs difference decreased ( r = - 0. 545, p = 0. 0006 ) ; 4 ) the mutual inhibition of paired neurons can sharpen the frequency tuning and the effect increased when the frequency was away from the bf ; 5 ) the changes in q10, q30 decreased with bfs difference of the paired neurons increasing ; 6 ) the mutual facilitation between paired neurons not only increased discharge rate, but also widened the frequency tuning, i. e., increased response frequency

    結果表明: 1 )同層神經元之間或者非同層之間神經元之間存在相互作用,這種作用既有相互抑制( 18對,佔81 . 8 ) ,也有相互易化( 4對,佔18 . 2 ) ,且同層神經元之間的相互抑制作用較非同層神經元之間的相互抑制作用要強; 2 )神經元對低刺激強反應時,所受到的相互抑制作用較強,隨著聲刺激強加大,抑制作用逐步降低( p 0 . 001 , anova ) ; 3 )對閾上10db放電率抑制百分比進行的分析顯示,配對神經元之間的率差越小,相互抑制作用越強( r = - 0 . 545 , p = 0 . 0006 ) ; 4 )配對神經元之間通過相互抑制作用可表kx碩士學位論文waiaster 』 sthesis現出調諧銳化作用,該作用的效率與率有關, bf處的銳化作用較低,偏離bf時其銳化作用逐步加強; 5 )率銳化作用的效率與bf差有關,隨著配對神經元之間的bf差擴亢q10 , q30值的變化逐漸減小,其變化百分比與配對神經元之間的率差存在明顯相關; 6 )配對神經元之間的相互易化作用不僅表現在放電率增加上,也表現在率調諧曲線的擴寬,即率響應范圍擴大。
  16. The optimal length of crystal was achieved for the characteristics of quasi - three - level. three types of crystal were compared, we select lbo as the main frequency doubler. meanwhile, the other strong spectrum were restrained by suitable coating

    從激光晶體的準三能級特性出發,充分考慮增益與損耗之間的矛盾,選擇出晶體長;對三種倍晶體進行了比較,選擇出lbo作為主要倍晶體;對膜系進行了必要的分析,在維持946nm譜線振蕩的同時,充分考慮了其它激光譜線的抑制。
  17. Through measuring the jet length, the following law is obtained : there exists an optimal driving signal frequency that can produce the strongest microjet for a certain actuator configuration at constant input power

    實驗測量了不同率下微射流的流向長,發現了如下規律:對特定幾何結構及尺寸的微射流作動器,在輸入功率一定的情況下,存在率使得微射流強。
  18. Transfer function of the closed - loop is presented after analyzing every part of the closed - loop of current control. the time - domain and frequency - domain characteristic of the closed - loop is analyzed and the stability error is discussed, and the closed - loop ’ s ability to restrain the noise is simulated by the tool of simulink, so as to optimize the parameters

    分析了穩流環路的各個環節,得出了穩流環路的控制方程,從控制角分析了該環路的時域、域特性和穩態誤差,並對環路抑制電路噪聲性能進行了simulink模擬,從而得出的參數。
  19. The results of calculation prove : the new structured coaxial probe is superior to the traditional coaxial probe in both sensitivity and penetrating depth when used to measure the dielectric properties of chemical reactants or layered biological tissues, and the relationship between the measurement sensitivity of this new structured probe and the frequency of electromagnetic wave are obtained, which provides the optimal frequency for the actual application

    計算結果表明:在化學反應溶液及生物分層組織介電特性參數的測量中,這種新型的同軸探頭在測量靈敏及透入深兩方面都優于傳統的平口同軸探頭。通過計算模擬還得出了這種新型同軸線探頭的測量靈敏與電磁波率的關系,為進一步研究其測試率提供了有價值的參考依據。
  20. The size and length of the reflex holes and pipes all affect the extension of low frequency, therefore according to the character of the speaker, we should design proper holes and pipes in order to get the best speed and the extension of low frequency

    其反射孔的大小與導管的長皆會影響低的延伸,因此必須根據單體的特性,設計出適合的孔徑與導管的長,以取得的速感與良好的低延伸。
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