次速率 的英文怎麼說

中文拼音 []
次速率 英文
subrate
  • : Ⅰ名詞1 (次序; 等第) order; sequence 2 [書面語] (出外遠行時停留的處所) stopping place on a jou...
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : 率名詞(比值) rate; ratio; proportion
  • 速率 : speed; rate; tempo
  1. Read - write baud rate : : 30 times s

    讀寫: 30
  2. Yet the march 1979 burster, with an apparent rotation period of eight seconds, was spinning much more slowly than any radio pulsar then known

    但1979年3月那的爆炸源,看起來卻有八秒的周期,自轉要比當時所知的任何波霎還要慢得多。
  3. 4. under the directional solidification, either sub - or hyper - eutectic alloys, with the increase of growth rate, the lst dendritic arm spacing decreases and 2st dendritic arm spacing is restrained to some extent

    4定向凝固條件下,隨著凝固的增加,無論亞共晶合金或過共晶合金,一枝晶間距減小,二枝晶生長得到不同程度的抑制。
  4. Speed cumulative frequency curve

    累加數曲線
  5. The oxide and reduce potential and the dopant concentration. the experiments of degradation methyl blue a1so showed that the photocatalytic activity could be greatly improved with vzos - loaded tio2, maybe that loading v2o5 would accelerate the electron captured and charge transferring, change the samp1e surface hydrophilic and absorption

    納米tio _ 2 - v _ 2o _ 5復合光催化劑對甲基藍的降解實驗表明,復合v _ 2o _ 5后tio _ 2可以加電子捕獲和電荷遷移,改變了樣品表面吸附親合力,使降解效相比純tio _ 2有很大提高。
  6. The article is directed by the modern structural geology, seismic stratigraphy and petroleum geology. in the study of works, geology, seismic and logging data are used. with the computer ' s ( workstation ) help, adopted many methods which are the technology of balanced section, calculation of the structural movement rate, the renewal of the erosion thickness, renewal of the ancient thickness, the protraction of the cover history curve and the " pagoda " figure, and based on the previous research achievement, this article studies the characteristic of rupture and fold, the degree of structural movement and the fashion of structural movement and brings forward that ludong area has experienced three big phases of structural evolvement

    以現代構造地質學、地震地層學和石油地質學為指導,全面利用各種地質、物探、測井資料,藉助先進的計算機(工作站) ,採用多種方法(平衡剖面技術、構造活動計算、剝蝕厚度恢復、古厚度恢復、埋藏史曲線製作、寶塔圖製作等) ,並結合前人的研究成果,研究了陸東地區斷裂和褶皺的特徵、構造運動的期以及構造運動的方式,提出了陸東地區經歷了三個大的構造演化階段。
  7. Shortwave channel is time varying transmission channel. it has dispersion in frequency and time domains. this characteristics hinds the data transmi - ssion at high speed and the correction of received data. in this dissertation i have analyzed the statistic characteristic of shortwa - ve channel, established the model of shortwave channel and simulated the rayl eigh fading distribution. the technology of spreading spetrum has been proved that it has the capability for anti - multipath and discerning multipath

    在短波通信中,由於通道的時間色散和頻色散,引起多徑展寬和多徑衰落,前者限制了數據的傳輸,後者造成短波數據通信中出現突發錯誤,為了解決多徑效應對短波通信的影響,本文所做工作如下:首先詳細分析了短波通道的統計特性,建立其數學模型;其分析了擴頻通信的特點,從理論上證明擴頻技術不僅具有抗多徑干擾能力,而且具有分離多徑的能力;介紹了傳統的rake分集合併技術的特點。
  8. At linear stage, the theoretical growth rate for the rt instability in cylindrical and spherical geometries was enhanced ( or reduced ) due to the decrease ( or increase ) in the perturbation wavelength during an implosion ( or explosion ). even in the absence of an acceleration the perturbation could grow in the convergent geometries. the amplitude growth rate was proportional to the cube of the convergent ratio in spherical geometry and to the square of the convergent ratio in cylindrical geometry

    在線性階段,已有的研究表明:一方面,在內爆(或外爆)過程中擾動波長變短(或變長) ,使得不穩定性的增長變大(或變小) ;另一方面,即使不存在界面加度,界面運動仍然可能導致擾動幅度的增加,柱幾何中擾動幅度的變化正比于界面收縮比的平方,球幾何中擾動幅度的變化正比于界面收縮比的三方,並且擾動幅度的變化方式(增加或減少)只與初始時刻擾動幅度的增長(正或負)有關,而與界面的運動方向(向內或向外)無關。
  9. The results from x - ray diffraction demonstrated that pp / mmtome was a fully intercalated nanocomposite, pp / mmtom and pp / ommt were partly intercalated nanocomposites, but the intercalation effect of pp / mmtom nanocomposite was better ; the crystallization characteristics of pure pp and pp / mmt nanocomposites were investigated by dsc, waxd and pom. the result of these testing showed that mmt nano - layers acted as nucleating agents for the crystallization of pp, the addition of mmt had effect on the crystallization process, leading the increasing of crystallization temperature crystallization rate and crystallinity, but also the dimension of spherulite reduced. but the formation of pp crystal did n ' t change, the formation of pp crystal in three pp / mmt nanocomposites and pure pp were a - form on the whole ; influences of three sorts of mmt on mechanical properties of pp / mmt nanocomposites were studied, as a result, the addition of mmt comprehensively improved mechanical properties of pp : notched impact strength, tensile strength and flexural properties were all increasing, but the extent of increasing were n ' t large

    通過xrd分析比較這三種pp mmt納米復合材料微觀結構得到, pp mmt _ ( ome )屬于完全插層, pp mmt _ ( om )與pp ommt的插層程度相近,但是pp mmt _ ( om )相對較好;通過對純pp和三種pp mmt納米復合材料的結晶性能研究發現,蒙脫土納米片層對pp結晶產生明顯的異相成核作用,結晶能力增強,使pp的結晶溫度和結晶提高,結晶度增加,球晶晶粒細化,但是沒有改變pp的結晶形態,三種pp mmt納米復合材料的結晶形態都屬于晶;通過對pp mmt納米復合材料的力學性能測試得知,蒙脫土的加入全面提高了pp的力學性能,缺口沖擊強度、拉伸強度和彎曲性能都有一定程度的提高,浙江{ _業大學碩十學位論文摘要但是提高幅度都不是很大,不過ommt 、 mmtom和mmtc ) me三種蒙脫土對pp力學性能有著不同的改性作用,其中pp / mmtom最好, pp月邊mto崛之, pp / ommt最低,這種情況主要是由蒙脫土對pp結晶性能的影響和蒙脫土的納米改性作用造成的。
  10. Next, to gain accurate los rate is the key for hit - to - kill since true proportional navigation ( tpn ) is convergent if the initial state between ekv and target is inside the capture region

    ,由於真比例導引本身是穩定的,所以獲取一定測量精度的視線角是實現成功攔截的關鍵。
  11. Thirdly, a novel parameter - varying adaptive algorithm for rtt and rto estimations based on the information theory and the maximum entropy principle ( mep ) is presented. it is used in the implementation of trinomial protocol to detect packet losses and to adjust the sending rate

    ,給出了一種新的基於信息理論和最大熵原理( mep )的變參數自適應rtt和rto估計演算法,在三項式協議實現過程中用於探測丟包及調整。
  12. Ad620 - based cardiotach measurement system ( corresponding to the scheme mentioned above ) achieves good experimental results and is of the advantages of low cost and high performance

    ,根據該方案設計的心跳檢測系統獲得了良好的實驗結果,表現出低成本、高性能的特性。
  13. Under drought conditions, the decreasing degree of transpiration rate and the conduction of stoma is a. ginnala > m. baccata > p. ussuriensis > p. davidiana

    在乾旱脅迫條件下,茶條槭蒸騰和氣孔導度降低幅度最大,山荊子、山梨之,山桃最小。
  14. 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,並簡述了激光器的工作原理、結構型式和倍頻方法;其,以空間相關的方程為基礎,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、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,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;最後,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工大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,測量范圍擴大,靈敏度提高,當端面泵浦功為7 . 24w (最大輸出功為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 。
  15. The results show that under the same lapping conditions the si3 n4 ball has the lowest material removal rate and the best roundness and roughness, followed by zro2, al2o3, and sic ball

    結果表明:在相同的研磨條件下,具有長柱狀晶粒的氮化硅陶瓷球加工最低,但圓度和表面粗糙度最容易控制;氧化鋯和氧化鋁陶瓷球表面質量之,碳化硅陶瓷球加工最高,圓度和表面粗糙度最難控制。
  16. With the accumulation of product development experience in the last years, axcen photonics corp can provide the clients the high quality, high coupling - efficiency and cost - effective osa products. the products include sc - type, lc - type and pigtailed - type osas with the speed ranging from 155mbps to 2. 5gbps. in order to meet the specific request for high power and high coupling efficiency osas, axcen photonics corp also can offer the customized service to this kind of products

    創威光電目前亦可提供客戶光學模組封裝的產品及服務,藉由本公司技術研發人員過去多年來累積的開發經驗,本公司已可為客戶提供高品質高耦合效及具市場競爭價格的光學模組產品,其產品包括: sc - type , lc - type及pigtailed - type光學模組封裝,就傳輸而言,目前創威光電可提供從155mbps至2 . 5gbps等不同的產品,以迎合顧客需求,另外,本公司亦可提供客制化,特殊規格,符合高功,高耦合效要求之元件封裝。
  17. One of its most important applications is to improve the optimization algorithms by evaluating the relevant derivatives information efficiently the aim of the work includes : to establish and study new algorithms - - cf - pcg algorithrns with ad ; to establish and study the extended cf - pcg algorithm ( ecfpcg ). cf - pcg algorithms with ad is proposed on the basis of cf - pcg algorithms with sd, in addition to replace sd with ad, there are other significant modification to the algorithms. the results by theoretical analysis and numerical experiments implicate that cf - pcg algo - rithm with ad is an improvement to newton method with ad

    論文首將自動微分應用於牛頓- pcg型演算法,構造了新演算法,並從理論上比較了新演算法與牛頓法的效,證明了新演算法的效嚴格大於牛頓法的效,而且新演算法與牛頓法的效比分別是問題維數n和目標函數復雜性的嚴格單調遞增函數,當n趨于無窮大時,這個效比的下界以ln ( n ) ln2的趨于無窮大。
  18. Then again, the cultre factor of labour is approached out of giving additional remarks to the inevitability in advancing and the difference in rate of advancing which are to the technical - meaning - productivity of labour, first, cultre is ponited out as a dominate factor of labour except " instinct compeling ", next, cultre is distinguished to two types ; knowledge to the labour and ideology to the productive - labour, meanwhile, an explanation is given to the inevitability in advancing which is to the cultre and the reaction of the ideology on knowledge

    再繼之,本文出於補充說明勞動的技術生產力在進動上有其必然但在進動上卻有差異的需要,對勞動的文化要素作了探討,先是指出了文化是除「本能驅迫」之外的勞動要素中居於支配地位的一個要素,是區分了文化的兩個類型即勞動之知識和生產勞動之觀念或意識形態,並就文化之必然進動原因以及生產勞動之觀念對勞動之知識的反作用作了說明。
  19. The variable polarity power supply circuit uses two stages full - bridge inverter, the former inverter is regarded as a constant - current source with fast dynamic response, and supplys energy for the second one, and the latter one is to produce variable polarity current excellently, and low - frequency pulse current by variable polarity power supply is used to reduce input energy and control the shape of weld bead while welding. a series of high - frequency pulse current is superposed on direct - current - electrode - negative ( dcen ) current through the high - frequency pulse power supply, which is used to compress the arc and improve process of crystallization

    其中變極性電源採用二全橋逆變結構,一逆變提供快的響應並給二逆變提供能量,二逆變提供良好的變極性性能,使輸出能量最優化,並用其低頻電流特性減小電弧線能量,控制焊縫成形;高頻脈沖電源提供的高頻電流疊加在反極性電流dcen上,利用電流的高頻特性壓縮電弧,改善焊縫金屬結晶過程。
  20. Telecommunications - carrier - to - customer metallic interface - digital data at 64 kbit s and subrates

    電信.載體與用戶金屬介面. 64 kbit s和次速率的數字數據
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