頻率強化 的英文怎麼說

中文拼音 [bīnqiánghuà]
頻率強化 英文
frequency potentiation
  • : 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
  • : 強形容詞(強硬不屈;固執) stubborn; unyielding
  • 頻率 : frequency; rate
  1. The main features of the apparatus are focus on small volume, light weight, no iron core, no magnetic saturation and no ferreous resonance, moreover, related advantages such as the large range of transient and frequency response, excellent electrical magnetic compatibility, oil - free configuration, reliable insulation structure, are all the trends of current transformer in the future. meanwhile, it should agree with the future power gauge and digital, computer, automatic relay protection. it will meet the demand of digital power network

    它具有體積小、重量輕;無鐵芯、不存在磁飽和與鐵磁諧振問題;動態響應范圍大,響應寬;抗電磁干擾性能;無油結構、絕緣可靠、價格低等優點;是未來電流互感器發展的方向,是新一代電力數字網發展的需要,適應電力計量和保護數字、微機和自動發展的潮流。
  2. E., the carrier frequency of a gaussian beam deviates from the resonant frequency of a fabry - perot etalon ), variations of the peak intensity, the position of the peak intensity and the dwdm systems, has received considerable attention. in this work, after taking into account the wavelength - depended reflectivity distribution profile of a fiber bragg grating, the oscillation wavelength # _ ( 1 ) of long external cavity fiber bragg grat

    與共振情況(即高斯光束的載波與法布里一拍羅濾波器的諧振一致)相比,非共振條件(即高斯光束的載波與法布里一拍羅濾波器的諧振存在偏差)一透射光束的峰值度、峰值度所對應的位置、以及光斑的大小隨入射角的變都發生了顯著的改變。
  3. Japan among the industrialized nations is almost certainly the uncontested champion with regard to earthquake frequency and intensity.

    就地震度而言,日本在工業國家中幾乎肯定是無可爭辯的冠軍。
  4. The modulation of sound properties over a wide range of time scales is one of the most obvious characters of oscine passerine ' s vocal, whose song contains many different kinds of syllables that consist of many more multiple song phrases. in oscine passerine, ipsilateral projections of ra to nxiits innervates the ipsilateral syringeal muscles exactly, and thus they have strong ability of vocal control with variable tones, high frequency and higher lever of quality. as a result, the songs sound well

    鳴禽鳴囀的最大特點之一便是其單次鳴唱時間長,鳴唱所包含的音節數量和音節種類繁多,因而由這些音節所組成的句型結構也是復雜多樣富於變,且由於nxiits嚴格的側別控制(每一側核團只支配同側鳴肌) ,使其具有更的控聲能力,其鳴聲音調變幅度大,高,品質因數大,音色好,因而其鳴聲也悅耳動聽。
  5. Compared with non - passerine, they appeared longer syllable length, higher basic frequency and more viable frequency ranges. though the amplitude modulation properties enhanced their vocal production, the type of syllable is still stable and less of variety. so the phrase consisted of syllables are comparatively few and changes of the tone are relatively less

    且表現出很調制特性和特有的幅度調制特性,相對的音節時程比較長,基較高且范圍較大,所特有的幅度調制特性更增加了其控聲的能力,但其音節的種類仍很單一,缺乏變,由音節所組成的句型較少,音調變幅度不大,因此,其叫聲質量盡管較非鳴禽有所改善,但相對鳴禽而言卻又遠遠不如。
  6. Abstract : temporal properties of the second - ordre process with a chirped incident pulse are theoretically calculated. the chirp influences the irradiance and the pulse shape of the second harmonic wave with large phase mismatch. the phase distortion of all three waves is dependent more strongly on the chirp than on the phase mismatch

    文摘:討論了在大相位失諧下,基波為啁啾脈沖的二次諧波產生過程,結果表明選取合適的啁啾參量可以使二次諧波的光提高,但同時會使其波形和相位發生變.三波相位的畸變主要取決于入射的基波啁啾脈沖,而與相位匹配的失諧量關系不大
  7. The key components in laser gyro is he - ne ring laser, and the reciprocal action theory between light and medium is the base in studying the ring laser, use the lamb half classical theory, and on the base of density matrix theory, the optical brounch equation was established, which described the movement of amplifying medium atom in the ring syntonic cavity, and according to the medium polarize theory the self consistent equations was deduced, which describe the light intensity and phasic of the counter - propagating wave. on the basis of this equations, adopted the simulation software matlab and virtual instrument programming language labwindows / cvi, we can do some simulated experiments in study the phenomenas such as amplify and dispersive characteristic of medium, mode pushing effection, burned hole effection and pattern competition, lock - in of frequency and the characteristic of light intensity and phasic of the counter - propagating wave in laser gyro

    激光陀螺的核心部件為he - ne環形激光器,而掌握光與介質的相互作用理論是研究激光器的關鍵,採用拉姆半經典理論為主,在密度矩陣理論的基礎上,推導環形諧振腔中描述he - ne氣體增益介質原子運動的光學布洛赫方程,運用介質極理論得出描述激光陀螺反向行波的光、位相所滿足的自洽場方程組,在此基礎上,運用matlab模擬軟體和虛擬儀器編程語言labwindows / cvi ,對激光陀螺中的介質增益色散特性、牽引效應、燒孔效應及模競爭、閉鎖效應及環激光的光和相位特性進行模擬試驗研究,並且運用全量子理論,對激光工作原理進行分析,得出二能級系統單模輻射場的光子數密度分佈,得出激光場的光子統計分佈,模擬激光場的動態建立過程。
  8. A new method for measuring the vibration of shadow mask without touch by detecting the light density with reflection type optical fiber sensor is presented. the measurement system based on the new method is designed to make the vibration measurement easier working, faster calculating, and get more precise results. it is an important measurement and analysis tool to improve the performance of shadow mask and display quality of cpt

    本文提出了基於單光纖光度反射法的非接觸式微振動測量系統的原理,並設計製造了該測試系統,探索出了簡單方便可靠的測量方法,能夠準確客觀地反映蔭罩振動的各項參數(各振動模的振動、振幅、衰減時間) ,實現了測試裝置的簡便和測試過程的自動,為cpt張緊式蔭罩系統的性能改進與顯示質量的提高提供了有效的測試分析手段。
  9. Ceviar living cells, which undergo devision 200 times faster than normal cells, contain a great variety of activated factors that stimulate fission of both organism and cells, and regeneration of cells, improving micro circulation and supply of nutrients, reducing melanin, and thus growing vitality and skin springiness, resulting from less wrinkles and shrinking pores

    魚子活細胞有旺盛的生命力,它的細胞分裂比成熟細胞200倍,內含多種活性因子,可啟動人體組織細胞的分裂和活,刺激老細胞更新再生,改善微循環,淡黑色素,其高分子蛋白質有效的補充人體細胞和皮膚細胞的養份,增機體活力和皮膚的彈性,修護鞏固基底層細胞組織達到去除皺紋、收緊毛孔、提升皮膚的顯著美容效果。
  10. In the two - photon resonance case, part of the input pulse energy is transformed into higher and lower frequency components through amplified spontaneous emission and four - wave mixing, and the medium shows strong optical power limiting effect

    在雙光子共振情況下,即入射脈沖等於1 、 3能級之間的共振的一半,由於介質中放大的自發輻射和四波混的作用,部分入射脈沖能量轉為高和低電場成分的能量,分子介質表現出了很的光功限幅特性。
  11. It has been shown that : with the increase of the kerr medium intensity parameter u, the rabi oscillation extent of the mean photon number decrease and the rabi oscillation frequency becomes rapid, the antibunching effect becomes strengthened ; with the increase of n, the interaction between the field and atoms gradually becomes weak, however, the interaction between the field and the kerr medium gradually becomes strengthened and happen in advance ; with the increase of the coupling constants of two atoms, the rabi oscillation extent of the mean photon number decrease and the rabi oscillation frequency becomes rapid too, the antibunching effect becomes weak

    結果表明:隨著值的增加,光子統計演曲線的rabi振蕩的幅度減小,振蕩變快,系統的反聚束效應增;隨著初始場( ? )的增大,場與原子的相互作用逐漸減弱,而與介質的相互作用逐漸加並提前發生。隨著原子間耦合系數g的增大,光子統計演曲線的rabi振蕩的幅度減小且振蕩周期縮短,同時,系統的反聚束效應減弱。
  12. It has been shown that : the little indentation which represents the quantum noise of the system appears in the evolution curves ; the quantum noise which is caused by virtual photon field gradually becomes weak when w increases, the quantum noise increases when n increases ; the virtual photon process make the antibunching effect strengthen, make the squeezing degree deepen obviously, and lead to the additional vibration of entropy, the oscillation extent of the additional vibration of entropy increases when n increases and decreases when co or g increase. besides, the quantum dynamics of two coupling atoms interacting with a single mode ligh t field in a kerr medium is studied in this paper ; the influences of the kerr effect on the mean photon number, the degree of second order coherence of field, the evolution of the field entropy and the squeezing effect are also discussed

    )的增大,量子噪聲分別減小和增大;虛光子過程使光場的反聚束效應增,使光場的壓縮程度明顯加深,並引起了附加的「熵振蕩」 ,這種附加「熵振蕩」的幅度將隨著光場初始平均光子數( ? )的增加而增大,隨著光場和原子間耦合系數g的增大而減小。本文還研究了充滿kerr介質腔中「耦合雙原子-單模光場」相互作用系統的量子動力學性質,研究了克爾效應對場的平均光子數、二階相干度、場熵演特性及光場壓縮效應的影響。
  13. Corticofugal modulation of frequency tuning of inferior collicular neurons in big brown bat, eptesicus fuse us chinese science bulletin, 2000 in order to explore the possible mechanism of corticofugal modulation of excitatory frequency tuning curves ( eftcs ) of midbrain neurons, we examine the change of sharpness, frequency - intensity response area, minimum threshold of both eftcs and inhibitory frequency tuning curves ( iftcs ) of inferior coliicular neurons during corticofugal modulation using two - tone inhibition paradigm and micro - electrical stimulation technique

    第二章大棕幅聽皮層對中腦下丘聽神經元調諧曲線的調制科學通報, 2000用雙聲刺激的方法和電刺激技術,進一步研究了在激活聽皮層前後下丘聽神經元興奮性和抑制性調諧曲線的銳度、度反應區域、最低閾值的協同變
  14. It is studied that the formation mechanism of taylor bubble and its control method in gas - liquid two - phase flow, which affects the pressure balance and mechanical driving efficiency in the flow of petroleum engineering. experiments show that the formation of taylor bubble in gas - liquid two - phase flow is due to the intensive congregation and amalgamation of small bubbles driven by void fraction waves and that the highly turbulent flow is able to restrain this formation. thus, the flow regime transition may be checked by increasing the flow turbulence and controlling the disturbed frequency

    對大管徑氣-液兩相流動中嚴重影響壓力平衡與機械驅動效的段塞流生成機制和控制方法進行了研究,實驗證明段塞流的形成是由於空隙波的大幅度增長使氣泡高度集中,並形成聚並所致。湍流運動可以抑制taylor泡的形成。因此,通過湍流或控制擾動可以對氣泡聚並起明顯的抑制作用。
  15. The dynamo runs at rull speed to drive main shaft, then the main shaft makes the emulsifying wings in emulsification grove rotate, which absorbs the liquid in its brand groove into ring groove through guide vanes on upper and lower sides of the groove. the vanes spins circularly at high speed with the main shatf as center, and the blade and emulsificaton groove cut and crush it continuously. after that. it gers squeezed by the vanes highspeed centrifugal rotation. at last, it finishes isotropt emulsification tratment within extremely short time after continuous circulating mixing

    由電動機全速運轉帶動主軸,經主軸轉動乳框槽內之乳翼片,使其將桶槽內之液體經框槽上、下兩側之導流葉片吸入環狀框槽內,經以主軸為中心高速圓周旋轉葉片;連續使乳翼端刀面與乳框間極小之間系高力切割剪斷、粉碎,再借葉片高速離心旋轉排擠,持續循環混合,以極短之時間即可完成均質乳之處理。
  16. The distribution of magnetic induction in rectangular soft - contact mold during electromagnetic continuous casting ( emcc ) was investigated considering the electric frequency

    摘要研究了在電磁軟接觸連鑄過程中,電源輸入的變對矩形電磁軟接觸結晶器內的磁感應度分佈規律和彎月面變情況的影響。
  17. The results showed that the intensity of uterine contraction was reinforced by mifepristone and misoprostol used in combination ; and the random uterine contraction was effectively inhibited and the effective uterine contraction was strengthened by acupuncture

    為探討針刺、藥物抗早孕的作用機制,我們採用早孕大鼠模型,建立間接反映子宮內壓的記錄方法,安放電極記錄子宮收縮度作為判斷宮縮變的指標,科學、簡便、靈敏、客觀地記錄宮內壓變及子宮收縮情況。
  18. Abstract : enhancing function of pulsating draught for sintering process is studied with simulative burden in the laboratory. the experiment results indicate that sintering velocity is the fastest along with appropriate pulse draught frequency when negative pressure is lower

    文摘:採用模擬原料,在試驗室內的脈動燒結裝置上,進行脈動氣流燒結試驗,探討了脈動氣流的和抽風負壓等因素對燒結過程的作用
  19. 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( 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; 2 )神經元對低刺激度反應時,所受到的相互抑制作用較,隨著聲刺激度加大,抑制作用逐步降低( p 0 . 001 , anova ) ; 3 )對閾上10db放電抑制百分比進行的分析顯示,配對神經元之間的最佳差越小,相互抑制作用越( 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現出調諧銳作用,該作用的效有關, bf處的銳作用較低,偏離bf時其銳作用逐步加; 5 )作用的效與bf差有關,隨著配對神經元之間的bf差擴亢q10 , q30值的變逐漸減小,其變百分比與配對神經元之間的差存在明顯相關; 6 )配對神經元之間的相互易作用不僅表現在放電增加上,也表現在調諧曲線的擴寬,即響應范圍擴大。
  20. O curve of dsdp607 v30 - 97 show that loess began to deposit on the terrace of the yellow river about 1. 20 ma b p, and passed thirteen climatic changes from drier and cooler to warmer and wetter later. the turn of sedimentation from alluvium to loess, an event of transformation from accumulation to down - cut of the yellow river, indicates a sharp tectonic uplift occurred around 1. 2 ma b p. key words : loess - paleosol ; susceptibility ; climatic changes ; tectonic movement ; yellow river ; yangfan section

    通過對楊范剖面黃土地層巖性特徵沉積結構質量磁的分析及與深海氧同位素曲線的對比,劃分了剖面地層,初步確定了黃土沉積始於1 . 20 ma b p ,黃土沉積以來該區發生了13次大的乾冷暖濕氣候變沉積轉型指示河流烈加積轉變為河流侵蝕,代表約在1 . 20 ma b p發生過一次烈的構造抬升事件。
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