pulse shape 中文意思是什麼

pulse shape 解釋
脈沖波形
  • 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 ...
  • shape : Shape=Supreme Headquarters Allied Powers in Europe (北大西洋公約組織的)歐洲盟軍最高司令部。n 1...
  1. Design of digital pulse shape discriminator for phoswich detector

    復合晶體探測器中數字化波形甄別器的設計
  2. 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,基波為頻率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強提高,但同時會使其波形和相位發生變化.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
  3. Carries created by ultra - fast laser pulse accelerate in the field of the photoconductor and form a transient photocurrent. the shape of the photocurrent lies on the movement of the carriers, as well as the movement of the carrier ' s lies on the field in the photoconductor

    光電導體中的載流子在光電導體內的運動情況決定了所輸出電脈沖的波形,而載流子的運動是在光電導體內部電場的作用下進行的,所以光電導體內的電場對光電導開關的性能有顯著的影響。
  4. In this paper, the radiolocation technique and principium of ofdm in the cell - communication system were introduced firstly, and sensitivity of ofdm system to synchronization was analyzed. then, two methods of timing synchronization based on the cyclic prefix and pilot sequence were introduced, and a novel timing synchronization method based on pilot sequence was presented, which provided a correlation peak with pulse shape

    由於ofdm系統中的定時同步要求和無線定位中的測時測距在本質上是一致的,所以本文緊接著分析了基於循環前綴和導頻序列的兩種定時同步方法,並提出了一種新的基於導頻序列的具有脈沖形狀相關峰的定時同步方法。
  5. In order to trap more electrons, " triangle - shape pulse excite wakefield scheme " was proposed

    的片段,這些脈沖「片段」激發尾流場加速電子的過程。
  6. In the " gaussian - shape pulse excite wakefield scheme " simulation, the laser pulse undergoes " self - modulation " and " self - focusing " and the p

    在這一密度區域,傳統的觀念認為是不能激發「受激aaman散射」的。
  7. As we known that the laser pulse energy will be attenuated in the turbid media and the pulse shape will be changed by scattering and absorption. besides, the ultra short laser pulse will be widened by the diffusive scattering

    由於超短脈沖激光在混濁介質中傳輸時,將因漫散射而使脈沖展寬,因此漫反射、漫透射光中必然含有介質光學特徵的信息。
  8. 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。
  9. Numerical simulation of output pulse shape for

    裝置激光輸出波形的數值模擬
  10. This paper introduces several dielectric foil switches, analyzes their characteristics in respect of the output pulse shape, switch mechanism and output impedance etc

    摘要介紹了國內外幾種絕緣薄膜開關,從開關的結構、對應的輸出方波波形和輸出阻抗等幾個方面進行了比較,分析了其各自的優缺點。
  11. Power balance is necessary to icf, including the energy balance and pulse shape uniformity at the target. 90 percent of the output energy of " sg - ii " comes from its double - pass coaxial array main amplifiers, and pulse shape distortion caused by gain saturation also occurs mostly in there. therefore precise control of gain performance of the main amplifiers by avm ( angular variable mirror ) is the key to the precise power balance of " shenguang - ii "

    「神光? 」裝置90的激光能量由同軸雙程主放大器提供,同時增益飽和效應產生脈沖波形畸變也主要發生在主放大器階段,因此應用組合式角變反鏡( avm , angularvariablemirror )獨立精密控制主放大器各路的增益性能是實現「神光? 」裝置精密化功率平衡的關鍵。
  12. The background of neutron is rejected by the technique of pulse shape discrimination

    用脈沖形狀甄別技術去除中子本底。
  13. Then we introduce pulse position modulation ( ppm ) using pn code and analysis its multi - access performance, system capacity and power spectrum density. on the basis of those analyses, we study the pulse shape and the anti - jamming ability of the system. at last, multiple access with pseudochaotic time hopping is introduce

    本文首先闡述了uwb脈沖通信系統的基本原理,重點介紹了用偽隨機碼跳時的ppm (脈沖位置調制)調制,分析了他的多址性能、系統容量和功率譜密度,在此基礎上研究了改進性能的發射信號形狀和系統抗干擾能力,最後介紹了偽混沌碼跳時的多址方式。
  14. The input of traditional ac - dc converter is diode - capacitance combined circuit. it ? input current wave presents pulse shape, and the power factor ( pf ) on ac line side is low

    傳統的ac ? dc開關變換器輸入端是二極體整流-濾波電容組合電路,其輸入電流波形呈脈沖狀,交流網側功率因數很低。
  15. The semiclassical interpretation describes three processes of hhg very visually, but it does n ' t give the details. lewenstein theory explains the position of cut - off by using a quantized method. in chapter three the pulse - shape effects of laser - atom interaction system are discussed

    在第三章中,我們討論了激光-原子相互作用體系的脈沖形狀效應,發現氫原子的電離率大小和高次諧波特徵都與所加的激光脈山東師范大學碩士學位論文摘要一沖形狀有密切關系。
  16. Computed pulse shape

    脈沖的計算波形
  17. Agrawal ' s theory model of soa ca n ' t simulate accurately the amplified signal pulse shape in soa when the pulse width is as short as several picosecond. so we simulate accurately the peak power, full width half maximum, rising time and falling time of amplified pulse after considering the gain compression, gain asymmetry, gain shift, gain variable with situation and time. with ultrahigh velocity dense wavelength division multiplexing ( dwdm ) and optical time division multiplexing ( otdm ) developing, we demand more and more short signal pulse and more signal channels

    但當信號脈沖的寬度只有幾個皮秒時, soa傳統的agrawal理論模型已經不能完全準確地模擬soa對信號脈沖的放大情況,在此基礎上,我們在全面考慮soa的增益壓縮、增益非對稱和漂移、增益隨位置和時間變化的載流子壽命等物理機制的情況下,對皮秒超短高斯信號光脈沖經soa放大后的脈沖的峰值功率、脈沖半值全寬度、脈沖的上升時間和下降時間等重要物理參量進行了準確模擬和詳細研究。
  18. We studied the effects of pulse - shape, an additional static electric field and different initial states on ionization probability and hhg. we did so by representing the results of a series of numerical experiments on a one - dimensional model hydrogen atom

    本文將採用數值計演算法來求解含時schrodinger方程,研究在一維氫原子模型中,外加的平行靜電場,不同形狀的激光脈沖以及原子處于不同初始態對諧波譜線和電離率的影響。
  19. The series of results showed that there is a close relationship between the ionization probability and the pulse - shape, which in turn affects the hhg. when the pulse is turned on very slowly or rapidly the character of hhg wo n ' t be obvious. only if the turn - on is proper the spectrum of hhg will be ideal

    當激光脈沖的時間長度不變時,脈沖開啟的快慢會影響到電離率和高次諧波,開啟很慢或很快時,諧波的平臺結構都不明顯;只有在適當的開啟下,電離率處于中間值,這時高次諧波譜線才比較理想。
  20. The pulse shape of " sg - ii " laser was controlled triumphantly by avm, attaining a better uniformity of multi - beam pulse shapes, and realizing the power balance control of multi - pass main amplifiers eventually ; 6

    首次實現了avm對神光n輸出脈沖波形的控制,獲得了較好的脈沖波形畸變一致性,最終實現了多程主放大器的avm功率平衡控制。
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