pulse coefficient 中文意思是什麼

pulse coefficient 解釋
脈沖系數
  • 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 ...
  • coefficient : adj. 共同作用的。n. 1. 共同作用;協同因素。2. 【數,物】系數,率;程度。
  1. The variations of distortion coefficient of ultrasonic pulse frequency spectra at defective zone in concrete

    超聲頻譜畸變系數在混凝土缺陷區的變化
  2. In this work, the transmitting characteristics of transformer on various kinds of loads were investigated, and an oil - filled compact pulse transformer was designed. from experiments, the parameters with primary inductance 2. 578, h, secondary inductance 167. 710uh, and coupling coefficient 0. 7238 were obtained

    7238 、直徑20cm 、長50cm (外殼) 、耐壓300kv的緊湊型空心脈沖變壓器,並在此變壓器上進行了大量的實驗,得到了實驗與理論分析相一致的結果。
  3. This thesis was divided into eight chapters, and the main results and innovations obtained here can be summarized as follows : ( 1 ) the physics model of tsrs in frequency conversion crystals has been built up firstly. based on quantum - mechanical viewpoints and the following physical processes and parameters : the two - photo interaction of light with matter, paraxial diffraction of stokes, langevin noise sources, reflection at the faces and the edges of crystals, gain coefficient, beam aperture, pulse width and fluence of 3, the physics model of tsrs in kdp and kdp crystals acting as high - fluence frequency convector and the paraxial operator maxwell - bloch - langevin equations have been built up

    全文共分八章,取得的主要成果及創新點如下: ( 1 )首次建立了諧波轉換晶體的tsrs物理模型本文根據量子力學原理,在考慮如下物理過程和參量的基礎上:光與物質的雙光子相互作用; stokes光的傍軸衍射; langevin (郎茲萬)噪聲源;晶體表面反射和端面反射;增益系數、光束口徑、脈寬和三倍頻光能量密度,推導出高通量激光在kdp和kd ~ * p諧波轉換晶體中的tsrs物理模型和空間上的近軸算符maxwell - bloch - langevin方程組。
  4. Method for measurement of ultrasonic attenuation coefficient of solid by pulse echo technique

    用脈沖回波技術測量固體超聲波衰減系數的檢測方法
  5. 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。
  6. The various medium parameters have different influence on the reflection of the laser pulse. based on the diffusion approximation theory, the boundary condition of semi - infinite homogeneous media, the influence of the absorption a, the scattering s and the anisotropy coefficient g on the ultra short laser pulse of different pulse - width and shapes has been researched

    論文對超短脈沖在混濁介質中的傳輸進行了理論分析和數值模擬,並在不同脈寬的高斯脈沖和方波脈沖入射到混濁介質的漫反射、漫透射脈沖強度和形狀進行了理論分析和數值模擬,得到了它們與各光學特性參數的關系曲線。
  7. The change of transformer ’ s output voltage with coupling coefficient is analyzed. the calculated formulas for parameters of air - core and part - magnetic - core pulse transformer are deduced based on electromagnetic theory. comparing with past formulas for calculated the parameters of the transformer, this formulas is more accurate to reckon the parameters of transformer

    首先從理論上分析了提高耦合系數對變壓器輸出電壓的影響,推導了高功率帶繞式空芯和部分磁芯脈沖變壓器的電感及耦合系數的計算公式,並與已有的方法進行比較,經實驗驗證,本文推導的方法能夠較準確地計算帶繞式空芯脈沖變壓器的參數。
  8. The effect of various gain coefficient on soliton - effect picosecond pulse compression in fibers with slowly decreasing dispersion

    色散緩變光纖中增益系數的取值對皮秒脈沖孤子效應壓縮的影響
  9. 4. through our research, the whole measuring scheme is finalized for pulse - counting method with analog intervene chosen to measure distance, the differential coefficient method based on the least - squares curve fitting based on power functions chosen to measure velocity and qd optical spot location method chosen to measure angle

    4 .通過研究,最終確定了以模擬插入脈沖計數法測距,冪函數族基最小二乘曲線擬合微分法測速,四象限探測器( qd )光斑定位法測角的脈沖激光雷達整體測量方案。
  10. For pc, the pulse diffusion layer only depends on the diffusion coefficient of cations and the pulse length, is not related to the concentration of the mass

    單脈沖擴散層的厚度僅取決于陽離子擴散系數和脈沖導通時間,與溶液本體濃度無關。
  11. 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。
  12. 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。
  13. In this paper, first, 1 made a study of the distribution of electromagnetic field, energy, power, reflection coefficient and transmission coefficient in waveguide with piecewise different dielectric constants. then, i simulated the behavior of propagation of am signal and gauss pulse signal through the waveguide by magic code, and gave the plots of electromagnetic field, energy, ponyting vector and their spectrums at different time and different position

    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程序模擬了這種結構的波導中的電磁場的傳播情況,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。
  14. Bio - tissue optics is the basic of the light diagnostic and therapeutic medicine, whose most critical problem is the measurement of the optical properties of the turbid tissues, such as the absorption a, the scattering s, and the am ' sotropy coefficient g. in this paper, the optical properties of ultrashort laser pulse within turbid tissues has been investigated and discussed

    激光與生物組織的相互作用規律是光動力學治療、醫學成像、監測組織的生理和結構狀態等技術的理論基礎和前提,其中的關鍵性問題就是確定生物組織的光學性質的基本參數,即吸收系數、散射系數和各向異性因子等。
  15. 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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