脈高分佈 的英文怎麼說

中文拼音 [màigāofēn]
脈高分佈 英文
pulse height distribution
  • : 脈名詞1. (動脈和靜脈的統稱) arteries and veins2. (脈搏的簡稱) pulse 3. (像血管的組織; 連貫成系統的東西) vein
  • : Ⅰ形容詞1 (從下向上距離大; 離地面遠) tall; high 2 (在一般標準或平均程度之上; 等級在上的) above...
  • : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
  1. This high magnification of the atheroma shows numerous foam cells and an occasional cholesterol cleft. a few dark blue inflammatory cells are scattered within the atheroma

    圖示:動粥樣硬化倍鏡顯示多量泡沫細胞,偶見膽固醇結晶(棱狀空隙) 。一些暗藍色的炎細胞散在於粥樣硬化病灶內。
  2. Ecotone between agriculture and animal husbandry distributes along altiplano and mountain chain in china

    表現出集中的特徵。主要於我國的原與山沿線。
  3. The experimental results show : the flattop phenomenon on the diode voltage pulse was very apparent for using the carbon fiber cathode, that is to say, the pulse duration of the diode voltage was widened ; moreover, under the condition of the same power of microwave, the pulse duration of the out - put microwave was prolonged by about 30 % ; the peak power of the microwave was enhanced by 3db

    通過在裝置上做的兩種陰極的對比實驗,結果顯示:碳纖維陰極的使用,改善了電子束質量,使輻射微波的寬增加了30 %以上,輻射主瓣方向上的功率密度提了3db以上,頻譜較純凈,實現了微波的效輸出。
  4. A study on two - dimensional electric field strength and current density in electrostatic precipitator

    芒刺電極密度與電暈電流的關系超沖靜電除塵器
  5. Fluorescence power transfer function, three - dimensional point spread function ( 3d - psf ) and three - dimensional optical transfer function ( sd - otf ) for the various fluorescent wavelength of the two kinds of fluorescence confocal scanning microscopy are calculated in this paper by using fourier imaging theory. the results show that the fluorescent wavelength has influence on imaging property of confocal microscopy such as spatial cut - off frequency, resolution and 3d - otf. there is a different missing - cone in the 3 - d space of otf when the ratio of excitation wavelength to fluorescent wavelength decreases

    本文在sheppard和gumin等人的理論基礎上,利用fourier光學成像理論,討論了不同熒光波長對單光子和雙光子共焦顯微鏡成像特性的影響,導出了單光子和雙光子共焦顯微鏡的熒光功率傳輸函數、三維沖響應函數和三維光學傳遞函數,得到了它們在不同激發波長與熒光波長比值時具體的表達式,並且通過數值計算,得到了它們的曲線圖,結果表明:隨著激發波長與熒光波長比值的增加,焦斑的橫向和縱向變窄,橫向解析度和縱向解析度提,系統的成像效果變好,當激發波長與熒光波長的比值下降到一定程度時,可以看到不同程度的失錐現象。
  6. In this paper, such three points are studied as : a ) the angular distributions of the hot electrons emission under laser irradiation at different incidence angles and at different polarization direction, the angular distribution of the hot electrons in the different energy range, and the effects of laser prepulse on the angular distributions of the hot electrons emission ; b ) the energy distribution of the hot electrons at different directions, from the metallic targets and the dielectric targets, in the different energy range of the hot electrons, and the effects of the atomic number z on the energy distribution of hot electron generated by the metallic targets ; and c ) the energetic proton emission resulting from the interaction of the us - ui laser pulse with plasma

    本論文進行了三個方面的研究:第一,超熱電子角的研究,包括不同激光入射角下超熱電子的角;激光不同偏振態下超熱電子的角;激光預沖對超熱電子角的影響;不同能段的超熱電子的角。第二,超熱電子能量的研究,包括不同方位超熱電子的能量,金屬與非金屬靶材的超熱電子的能量,金屬原子序數z對超熱電子能量的影響以及不同能段超熱電子的能量。第三,研究了超短超強激光與固體靶相互作用所產四川大學博士學位論文生的能質子發射和能譜。
  7. At present, signal pulses produced by directly modulated laser diodes have been used in optical fiber communication systems. the experiment reveals that the optical pulses from directly modulated laser diodes are far from gaussian and have near - rectangular temporal profiles with much sharper leading and trailing edges, and then a super - gaussian model, which assumes that an incident optical pulse has a super - gaussian profile, may be more suitable

    但在實際的光通信系統中,人們常採用由直接調制半導體激光器產生的光沖作為信號沖,而實驗結果表明這種沖具有比沖更為陡峭的前沿和后沿,其沖形狀更接近於超,並且通常還帶有一定量的啁啾。
  8. Due to the advantages such as short response time, easy operation, and convenient to comprehend the wavefront modes, the hartmann wavefront sensor ( h - wfs ) is widely utilized nowadays in real - time adaptive optics system, turbulence statistical characterization, optical components test, light quality evaluation, laser atmosphere communication, the wavefront correction of ultrahigh power laser pulses, as well as human eye aberrations measurement. the detection accuracy is important to the performance of the whole optical system. considerable efforts have been performed in the investigation of h - wfs wavefront detection techniques in past years

    哈特曼波前傳感器具有實時探測,易操作,可以直觀顯示波前畸變等優點,被廣泛地用作自適應光學系統的波前信息探測和波前畸變補償,大氣湍流統計特性表徵,光學元件檢測,光束質量評價,超強激光沖波前整形,激光大氣通信以及人眼象差測量等各個領域之中,其探測精度的低對整個光學系統的工作性能有著極其重要的影響。
  9. The solution formula of dwell time is deduced by using the pulse iteration method and the smoothing fourier transition method, and the formula can be simplified referring to workpiece shape. according to the anastomotic status of the tool and workpiece surface, we present the new model of the inherent relation among local pressure density, removal rate, convergence ratio and residual errors, and the corresponding formulas are given. the forming cause of the edge effect in the polishing process is analyzed, and the means which reduces the edge effect is put forward

    2 、針對計算機控制光學表面成形( ccos )的加工方式、誤差收斂特點,研製了去除函數呈的雙轉子結構研拋模;採用沖迭代法、平滑因子傅立葉變換法推導出駐留時間的演算法,求解過程中根據工件面形的特點作了各種形式的簡化;提出了工件表面和研拋模的吻合誤差與局部壓強、材料去除率、收斂比之間內在關系的數學模型,並推導出相應的計算公式;析了邊緣效應產生的原因,在加工過程中採用相對壓力因子對去除函數進行修正,可以消除邊緣效應的影響。
  10. It is found from the experiment that under the conditions of peak magnetic field of 0. 57t, beam pulse fwhm ( full width of half maximum ) of 44ns, a microwave radiation pulse with fwhm 25ns and whole width of 35ns is produced, when the intensity of the guiding magnetic field rises, the peak microwave power changes little but the width of the pulse reduces. the a - k gap also has obvious influence on the microwave radiation, the stable and higher microwave output is obtained under suitable gap

    實驗中還發現,在峰值磁場0 . 57t和束流半寬44ns情況下,得到了25ns半寬和35ns底寬的微波沖信號,隨著導引磁場增加,微波信號幅值基本不變,但國防科學技術大學研究生院學位論文是微波沖寬度會逐步減少;實驗中還發現磁場線圈位置有一定的軸向調節范圍,說明在磁場軸向的一定變化范圍內,器件都可以正常工作,這對以後的永磁場系統導引的微波實驗有利。
  11. The simulation results prove that the pdm control theory can be fit for the high frequency ac link power conversion distribution system, especially be suitable for the electric driver system of the electric vehicle in the future

    模擬結果表明,本文提出的這種頻交流沖密度調制技術適用於頻交流環節功率變換系統,特別適合於作未來電動汽車的頻交流驅動系統。
  12. Frequency code is not uniformity distribution and keeps to a probability distribution function defined by the spectral characteristics of the target of interest. the phase code is equally duality pseudo - random sequence and used to reduced the sidelobes of the signal correlation function. and the mismatch - phase sequence is corresponding with the frequency sequence one by one

    而頻率編碼為不均勻,由所觀測目標的頻譜信息提取出概率密度函數決定頻率編碼序列的;相位編碼為二元的偽隨機序列,採取均勻的二相編碼,消減同頻沖帶來的過的相關函數的旁瓣;而失配相位為與頻率編碼相一一對應于各子沖中。
  13. Xikuangshan type copper ore deposit named those fe - cu deposits hosted in yinmin formation, kunyang group, which located in kunyang rift valley and the edge of southwest yangzi platform. the best example is xikuangshan allotment, luoxue ore area, dongchuan, yunnan. the type deposit spread in south kunyang rift valley, include dongchuan, wuding - luoci, yuanjiang, yimen, huashengping, hongmenchang and so on

    稀礦山式銅礦是指賦存在昆陽群因民組地層中的銅鐵礦床,其大地構造背景屬于元古代裂谷帶,大陸裂谷是超大型銅等多金屬礦形成和的有利環境,在裂谷下部常發育異常地幔和巖漿源,裂谷空間上的多層次性使礦床具有明顯垂向帶特徵,其演化時間的長期性、動性和繼承性便於多期成礦作用相互疊加、礦質的度聚集。
  14. Simulations on light intensity are validated by experiments and influence of mechanical dither on gyro frequency stabilization is studied for the first time. then it is point out that the key to improve the precision of frequency stabilization is to choose appropriate modulation frequency based on the frequency spectrum of sharp pulses, which is introduced by mechanical dither. thereafter, experiments of frequency stabilization under different modulation frequencies are made

    通過實驗驗證了光強模擬結果,首次析了機械抖動對穩頻的影響,指出提機抖陀螺小抖動穩頻精度的關鍵在於:根據機械抖動引入的交流光強尖峰沖頻譜選擇合適的調制頻率,並給出了不同調制頻率的穩頻實驗結果。
  15. To further understand the clinical features of the infarction in the territory of cortical branches of anterior ce - rebral artery

    對大腦前動皮質支區域梗死的臨床認識。
  16. Some discovers are made in research. the reactions are concentrated in interface and the components of reaction areas are grads distributed

    研究發現短時密度武漢理工大學博士學位論文沖作用下反應主要集中於邊界,邊界反應區的成呈梯度
  17. The intracavity photon density and initial population inversion density are assumed to be gaussian distributions instead of plan wave assumption, based on this assumption, the rate equations of diode - pumped intracavity - frequency - doubled passively q - switched laser are modified. through solving these space - dependent rate equations numerically, the results under different assumption are compared. 5

    將腔內光子密度和初始反轉粒子數的平面波近似修正為近似,獨立地導出描述二極體泵浦內腔倍頻-被動調q激光器的速率方程,並通過數值求解該方程比較了兩種近似下沖特性的不同; 5 .實驗驗證了2中提出的實驗方案,並對實驗結果進行了析。
  18. The gaussian model, which assumes that an incident pulse has a gaussian profile, has been widely used to investigate the optical pulse transmission in fibers

    人們在對光沖在光纖中傳輸演變的理論研究過程中,常常假定入射光沖具有斯型
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