脈沖式傳輸 的英文怎麼說

中文拼音 [màichōngshìzhuànshū]
脈沖式傳輸 英文
pulsed transmission
  • 脈 : 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
  • 式 : 名詞1 （樣式） type; style 2 （格式） pattern; form 3 （儀式; 典禮） ceremony; ritual 4 （自然科...
  • 傳 : 傳名詞1 （解釋經文的著作） commentaries on classics 2 （傳記） biography 3 （敘述歷史故事的作品）...
  • 輸 : Ⅰ動詞1 （運輸; 運送） transport; convey 2 [書面語] （捐獻） contribute money; donate 3 （失敗） l...
  1. 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、三維脈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，焦斑的橫向分佈和縱向分佈變窄，橫向解析度和縱向解析度提高，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。
  2. Using the variational method, analytical conditions for stationary pulse propagation in dense period fibers with strong dispersion management are deduced. the expression of initial soliton peak power is given. by employing the obtained formulas, the soliton evolution semi - analytically in various dispersion maps can be investigated. effects of the third order dispersion are also studied in this paper. the results show that imperfect dispersion slope compensation can cause pulse central position shift and even serious degradation of soliton shape

    利用變分方法，推導出了在強色散管理的密集周期光纖中脈沖穩態傳輸的解析條件，並給出了初始脈沖峰值功率的表達式.運用這些公式，對各種色散管理系統中孤子的演化進行了半解析的考察.三階色散也被考慮在內.結果表明:不完善的色散斜率補償將導致脈沖中心位置的偏移甚至嚴重的孤子形狀劣化
  3. The condition, under which the paraxial approximation is valid, is given. 4. starting from the rayleigh diffraction integral, the propagation equation of ultrashort pulsed beams in dispersive media has been derived without making the paraxial approximation and slowly varying envelope approximation ( svea ), which allows for relatively large angles

    從瑞利衍射積分公式出發，未作慢變振幅近似和近軸近似的條件下，導出了等衍射長度超短脈沖高斯光束在色散介質中非近軸傳輸方程，可用來處理色散介質較大角度的傳輸。
  4. The results from the calculation and simulation indicate that this thyristor trigger has had a wide triggering angle, high controlling precision and better symmetry output pulses, whereby obviously improving the dynamic performances of the digital - type trigger and overcoming some defects in traditional triggering electric circuit in such a way as to satisfy the requirements by the diqital controlling equipment with high power and reliability

    計算和模擬結果表明，該觸發器的觸發角范圍大、控制精度高、輸出脈沖對稱度好，明顯地提高了數字式觸發器的動態性能，並克服了傳統觸發電路的一些缺陷，可滿足大功率和高可靠性數字控制設備的要求。
  5. Some property and working parameters about the sensor are tested. the results indicated that : ( 1 ) under the measure distance no more than 5mm, it is reliable of the output pulse of the sensors

    對傳感器的各項性能進行了測試，結果表明： （ 1 ）銻化銦磁阻式傳感器的檢測距離在5mm的條件下，傳感器輸出脈沖是完全可靠的。
  6. Firstly, in the paper a family of integral solution representing ultrashort pulsed beam propagating in free space have been studied by using the co - moving frame coordinates and the fourier transformation for time variable in terms of well - known paraxial approximation. and the pulsed gaussian - like beam solution can be obtained as a especial solution of the integral solution, where including the pulsed gaussian beam

    首先利用傅立葉變換和惠更斯-菲涅爾衍射積分公式，我們給出了傍軸標量場近似下超短脈沖光束傳輸的基本積分解，並進一步得到了用卷積形式表示的脈沖類gauss光束解（ pulsedgaussian - likebeam ）的普遍形式解。
  7. As the dispersive influence can be easily described by a frequency transfer function, the feasibility of measuring the function with the g - s algorithm is researched numerically in the next part. from the results of simulation with fibers with different length and pulses with different width, it ’ s known that the convergence of the algorithm is related to the difference between the input and output pulse. then, the influence of attenuation and self phase modulation of fiber is discussed, and the influence of the delay phenomenon and fitted polynomial is also analyzed

    通過對不同光纖長度和不同輸入脈沖脈寬的計算，得到了g - s演算法的收斂性與輸入波形和輸出波形之間的關系;在此基礎上，通過對光纖損耗、自相位調制的模擬，分析了損耗和自相位調制對光纖傳遞函數測量的影響;本文還分析了波形測量中的拖尾現象和多項式擬合對測量的影響，進而，對利用g - s演算法進行單模光纖傳遞函數測量的可行性進行了闡述。
  8. For the air - core pulse transformer has no magnetic material to form the magnetic loop, its coupling coefficient and energy efficiency is lower. in order to improve its property, partial magnetic material is inserted in air - core spiral strip transformer. this method not only results in better property of transformer, but also reduces the bulk of transformer

    本課題設計的變壓器是在帶繞式空芯脈沖變壓器中加部分磁芯材料以提高變壓器耦合系數，進而提高其能量傳輸效率，此方法彌補了空芯變壓器耦合系數低的缺點，並且可以使變壓器小型化，因此對部分磁芯脈沖變壓器理論和試驗的進一步研究具有重要的理論和實踐意義。
  9. In this paper, first, the study of the distribution of electromagnetic field, energy, power, reflection coefficient and transmission coefficient in waveguide with piecewise different dielectric constants are studied. then, the behavior of propagation of am signal and gauss pulse signal through the waveguide are simulated by magic code ， and the plots of electromagnetic field, energy, ponyting vector and their spectrums at different time and different position are obtained. and, the group velocity and energy velocity of wave packet through barrier are calculated

    從90年代開始， emig和martin 、 landauer等人研究了分段填充不同介質的波導中的電磁脈沖的傳播。在本論文中，作者首先推導出分段填充不同介質的波導中的電磁場分佈、能量、傳輸功率以及反射系數和傳輸系數的表達式，然後，採用magic程序模擬了這種波導結構中電磁波的傳播情況，得到了在不同時刻和不同位置處的電磁場分布圖、能量圖、坡印廷矢量圖以及它們的頻譜圖，並由模擬結果計算了波包穿越勢壘的群速和能量速度。
  10. The dissertation is aimed at the theory and practical application of photoconductive semiconductor switches ( pcss ), which is the kernel of uwb photoconductive pulse source. in chapter 1, after introducing the background of the dissertation, the development of uwb photoconductive pulse source is briefly reviewed. at the same time, the main work and contribution is generalized

    本文以研究超寬帶光導脈沖源的核心光導開關的工作原理和實際應用為目的，模擬了光導開關在線性模式下的輸出電脈沖，研究了以光導開關為核心器件的電脈沖成形電路，以及電脈沖的傳輸和輻射。
  11. By introducing oppm ( overlap pulse position modulation ), the system ' s performances are improved also. 5 study wireless optical cdma system

    通過引入oppm （重疊脈沖脈位調制）方式，進一步提高了系統的傳輸效率。
  12. This system is developed based on high performance, low cost and many controllers inside of the embedded processor, and enlarged gpio for the plat of the hardware and software. this system is applied to the high - speed numerical control carving machine. show the operate interface by lcd, input the control code from the keyboard, the data is readed from the usb interface and store that in sdram

    本系統應用於高速數控雕刻機，以lcd為人機可視化操作界面，以編碼鍵盤為操作控制部分，以嵌入式處理器s3c44b0x晶元為核心，文件數據經usb口讀取u盤中的雕刻數據文件暫存於sdram中，經嵌入式處理器進行相關演算法處理，得出相應參數傳送到fpga ，由fpga控制輸出脈沖和脈沖間延時，通過高速光耦隔離（ 2mbit / s ）后輸出，控制步進電機的運轉。
  13. We discussed detailedly the application of parameter - induced stochastic resonance in binary baseband pulse amplitude modulated ( pam ) signal transmission. the system ' s measurements : bit error rate and channel capacity were deduced. the numerical simulation demonstrated our theoretical analyses

    我們著重討論了參數誘導的隨機共振在二進制基帶脈沖幅值調制（ pam ）信號傳輸中的應用，詳細推導出了衡量系統傳輸性能的誤碼率和通道容量公式，並利用模擬模型進行了數值模擬，理論分析和模擬結果非常符合。
  14. Under certain conditions, in spite of their different modal indices the two polarized components of the pulse can trap one anther and move at a common group velocity due to xpm, the phenomenon referred as self - trapping occur

    在一定條件下，盡管脈沖的兩個偏振分量的模式折射率不同，但由於交叉相位調制效應，它們能相互俘獲並以共同的群速度傳輸，產生自捕獲現象。
  15. The propagation of soliton and interaction for the periodic distributed amplification line are discussed in detail, and the explicit soliton solution on continuous wave ( cw ) background is presented, and two exact analytic solutions that describe the modulation instability and the soliton propagation on a cw background are in detail discussed, and inelastic interaction for the vector solitons is also investigated

    具體研究如下三個方面的內容：周期分佈放大系統中孤子的傳輸特性和相互作用；在非零邊界條件下孤子解的存在形式並解釋非均勻光纖中光脈沖的調制不穩定性以及孤子在連續波背景中的傳輸特性；討論多個光場同時在光纖中傳輸的耦合非均勻非線性薛定諤方程並詳細研究孤子間的非彈性相互作用。
  16. The quantized samples can be encoded in various formats, such as pulse code modulation ( pcm ), to be stored or transmitted

    量化樣本可以用諸如脈沖編碼調制（ pcm ）等各種格式編碼、存儲或傳輸。
  17. In the end, the part - magnetic - core pulse transformer is constructed with primary inductance 3. 14 h, second inductance 298. 89 h and coupling coefficient 0. 873. compared with the air - core spiral strip pulse transformer of the same dimension, the coupling coefficient is increased by 13. 4 percent. this transformer is used to charge for water capacitor

    最終研製的部分磁芯帶繞式脈沖變壓器的初級電感為3 . 14 h ，次級電感為298 . 9 h ，次級輸出電壓在635kv以上，耦合系數為0 . 87 ，比相同結構尺寸的帶繞式空芯脈沖變壓器的耦合系數提高了13 . 4 % ，變比提高了20 % ，能量傳輸效率提高44 % 。
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