pulse conditions 中文意思是什麼

pulse conditions 解釋
脈沖狀態
  • pulse : n 1 脈搏；有節奏的跳動；【動物；動物學】脈沖（波）；脈動。2 意向；傾向。3 【音樂】拍子，律動。vi ...
  • conditions : （旅遊合同中）條件或服務項目
  1. In the section 2, firstly based on the diffusion approximation theory, the temporal characteristics of the reflectance and the transmittance were theoretically analyzed in turbid tissues ; secondly, the curves were simulated that the intensity and the pulse shape of the time resolved reflectance and transmittance versus the absorption a, the scattering s and the anisotropy coefficient g in two different boundary conditions : semi - infinite turbid media and homogeneous slab ; at last, the optical properties can be derived from the curves ; in the section 3, the conditions of ultra short laser pulses of different pulse - width and shapes has been theoretical analyzed and calculated, besides, the simulated the curves of the intensity and pulse shapes of the reflectance and transmittance in a homogeneous slab are obtained for use and future studying

    第二章中首先根據漫射近似理論對超短脈沖在以生物組織為典型的混濁介質中傳輸進行了理論分析，然後對兩種邊界條件下產生的漫反射、漫透射光脈沖強度和形狀隨各光學特性參數的變化情況進行了數值模擬，最後得到了混濁介質的光學特性參數與漫反射、透射脈沖強度與形狀的關系曲線。第三章對不同形狀和脈寬的脈沖光源入射到混濁介質中產生的漫反射、漫透射脈沖的強度和形狀進行了理論分析和數值模擬，並將高斯脈沖與方波脈沖情況進行了對比，得到了各種情況的漫反射、漫透射脈沖強度、形狀與各光學特性參數的關系曲線，這對從分析脈沖形狀中提取介質的光學特性參數的信息有重要的意義。
  2. Abstract : based on two order approximation of the variation of refraction index produced by self - action while optical pulses are traveling in kerr - medium, the propagation equation has been solved. furthermore, the strict analytical expressions of the amplitude, width and chirp parameter of chirped gaussian pulse, relative to the propagation distance, are deduced. the solitary wave traveling conditions of fundamental mode gaussian pulse have been discussed

    文摘:將光脈沖在克爾介質中自作用產生的折射率變化作二階近似，求解所得到的傳播方程，得到啁啾高斯脈沖幅度，脈沖寬度和周啾參數隨傳播距離變化的嚴格解析解，討論了基模高斯脈沖孤波傳播的條件。
  3. 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
  4. In the work, mid - frequency pulse magnetron sputtering is used to prepare znoral thin films used as the back reflector of the thin silicon films solar cells. the best techological condition was obtained by optimizing the preparing conditions, ( var is decided by the deposition rate, target voltage : 265v, gas pressure : 0. 6pa, the high base vacuum is expected

    本文採用中頻脈沖磁控濺射法，通過優化zno ： al薄膜的制備工藝，如靶電壓、本底真空度、工作氣壓、襯底溫度、 o _ 2 ar ，得到可用於硅薄膜太陽能電池背電極的zno ： al薄膜。
  5. The phase matching and group velocity matching conditions of type - i and type - ii second harmonic generation ( shg ) are obtained according to the momentum and energy conservation laws. the group velocity delay of ultrashort pulse shg on clbo and the crystal length decided by the group velocity delay are analyzed and compared with bbo ' s

    從動量守恆、能量守恆出發推導得出了超短脈沖倍頻的類、類相位匹配和群速匹配條件，對clbo晶體用於超短脈沖倍頻時的群速延遲以及由群速延遲決定的晶體長度進行了分析和數值模擬，並與bbo晶體進行了比較。
  6. 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和束流半高寬44ns情況下，得到了25ns半高寬和35ns底寬的微波脈沖信號，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脈沖寬度會逐步減少;實驗中還發現磁場線圈位置有一定的軸向調節范圍，說明在磁場軸向分佈的一定變化范圍內，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。
  7. In this paper. flow properties of multistage fluidized - bed bioreactor with external circulation at a pilot scale is studied. according to characteristic analysis, the model of completely mixing reactor in series is introduced to characterize real reactor as a theoretical model. on the basis of analog computing analysis and discussion of theoretical model. by means of pulse tracer method, experiments on residence time distribution ( rtd ) have been done in different conditions including the change of tracer level, feeding flow rate and circulation flow rate. the result shows when the ratio of circulation flow rate and feeding flow rate amounts to at least 4, the flow properties of multistage fluidized - bed bioreactor with external circulation at a pilot scale is very close to the model of completely mixing reactor in series. an amendatory model has been established by the regression method

    作者首先在對反應器進行特徵分析的基礎上，建立了描述中試規模多級外循環流化床生物反應器流動特性的串級全混流模型，並對理論模型進行了模擬計算分析和討論，在此基礎上，作者分別在無循環和有循環（改變示蹤劑用量、流加流量和循環流量）的條件下，利用脈沖示蹤法對一到五級串聯外循環流化床反應器進行了停留時間分佈實驗，結果表明，在循環流量與流加流量的比值達到大於等於4時，中試規模多級外循環流化床反應器的流動特性接近串級全混流模型，通過數據回歸擬合的方法，建立了中試規模一到五級串聯外循環流化床反應器的流動模型。
  8. The propagating characteristics of femtosecond pulse in this type of nolm are also investigated. the result shows that the optical switching is valid only under certain condition for femtosecond pulse due to the higher - order dispersions and nonlinear effects, especially the stimulated raman scattering ( srs ). moreover, analysis of the higher - order effects shows that srs enhances the pulse compression in some conditions

    研究結果表明，由於受到高階色散及高階非線性效應的影響，特別是在受激拉曼自散射效應的影響下， nolm的開光特性只在一定條件下存在；並且通過對高階效應的分析比較，發現受激拉曼散射在一定條件下增強了飛秒脈沖的壓縮。
  9. Considering that : ( 1 ) radar can achieve its basic application of collision avoidance and warning with the only function of ranging ; ( 2 ) under high speed conditions, radar should have lager effective range than that under slow speed, we designed a new easily realizable automotive anticollision radar, which employs centimeter wave and square pulse amplitude modulation

    考慮到： （ 1 ）核心的測距功能實現以後，雷達已經能夠完成基本的防撞預警； （ 2 ）在汽車高速運行的情況下，防撞雷達的最小可測距范圍和最大作用距離應比低速狀態下大。本文採用了技術成熟，易於工程實現的厘米波脈沖雷達，以單波束輻射的方式測距。
  10. The cleavage rate of oocytes at 18 - 19h after hcg injection was clearly higher than those at 12 - 13h and 15 - 16h after activation ( 71. 67 % vs 7. 50 % and 55. 83 %, p < 0. 01 ). the rates of avtivation, cleavage and development of blastocysts after 22h started to fall, but with no difference with those of 18 - 19h ( p > 0. 05 ). to sum up, the optimal electric stimulation conditions of mouse oocytes at 18 - 19h after hcg injection is 2. 0kv / cm direct current field strength, 80us pulse duration, 3 times pulse and 0. 3mol / l mannitol medium with 0. 1 mmol / l cacl2 and 0. 1 mmol / l mgso4

    880和12 50o ） ，但與18l的卵母細胞組無明顯差異o 0刀5 ） 。綜上所述，在本實驗室條件下，以含ca刀、 mgh的甘露醇溶液為激活液，採用2刀by cm強度、 80呷脈寬、連續3次脈沖（每次間隔10min ）刺激注射hcg后18二9h的小鼠卵母細胞，可獲得較為理想的激活效果。
  11. This converter is thermally protected and current limited, protecting the load and regulator during fault conditions. in the circuit design chapter, the basic charge pump operation principle and equivalent circuit model are given first. then two control modes, pulse skip mode and linear mode, are analyzed

    在電路設計中，首先分析了跨周期調制的電荷泵dc / dc轉換電路的基本原理，然後推導出電荷泵等效模型，以此為理論依據分析了電荷泵的兩種控制模式:線性調制模式和跳周期調制模式。
  12. Finally, the motion stability of the flexible deployable truss mentioned before was analyzed. according to the definition of motion stability, the simulation results under the conditions of different initial attitude angle velocities and pulse torque function indicate that the deployment motion of flexible truss under these initial distortions was steady. the drive angle velocity of deployment

    根據無擾運動的穩定性定義，通過對衛星在不同初始姿態角速度下及受到力矩脈沖作用下展開時衛星的姿態角速度的影響的比較，說明在這兩種初始擾動下桁架的展開運動的穩定性情況;對不同驅動角速度下桁架展開的模擬結果比較得到該桁架的失穩條件。
  13. 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。
  14. Subjective testing indicates that the quality of cs - acelp is equivalent to that of the 32kbit / s adaptive differential pulse code modulation ( adpcm ) under error - free conditions and it outperforms g. 726 under error condition. in this paper, standard c is adopted in realization of the algorithm, presents program strategies and steps of algorithm of each module. the coder and decoder is tested by utterances with noise

    用標準c語言模擬實現了該演算法，計算了mos分值，女聲： 4 . 180497 ，男聲： 4 . 199782 ，並在相同的測試語句中加入噪聲進行測試，含噪語句通過該編解碼器，輸出的合成語音用主、客觀評價標準評價，與原始不含噪語音效果差別不大，平均mos分值為：女聲4 . 1375 ，男聲4 . 1668 ，說明該演算法是優秀的編解碼演算法。
  15. Dfmc transmission ltd. co. regard product ma nagement as strategy, and quickli develop a71, a87, a93, a100, a121d, a121j, a121q, a130, a148, a164 etc. series gearbox. for exsample, " slow an half pulse " development a148 gearbox, aim the shortcoming of competitors, use bigger press angle, all splay tooth, improve gearing intension and drive smooth ; use inertia tooth link synchronizers which have rapid synchronization with reduced effort, improved engagement conditions, increased performance and service life etc. advantages. combine promotion, political power, public relations and the same price to expand place, to increased the market

    變速箱公司把產品開發工作提高到戰略高度來考慮，及時開發出a71 、 a87 、 a93 、 a100 、 a121d 、 a121j 、 a121q 、 a130 、 a148 、 a164等系列中心距變速箱，如「晚半拍」開發的a148變速箱，針對競爭對手產品的薄弱環節和質量缺陷，採用大壓力角、全斜齒，提高了齒輪強度和傳動平穩性；採用慣性齒環式同步器，結構更緊湊、可靠等，技術優勢明顯；並充分利用促銷手段、政治力量和公共關系，採用跟價策略，廣開配套渠道，已形成市場。
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