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angular acceleration相关的网络例句

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与 angular acceleration 相关的网络例句 [注:此内容来源于网络,仅供参考]

Creative research has been carried in the technologies of temporal pulse shaping, spatial intensity shaping, angular spectrum dispersion, and wave front control, which cover four parameters of time, amplitude, spectrum and phase that describe the characteristics of a laser beam.

以表征激光束特性的时间、振幅、光谱、位相等四个信息参量为对象,创新性地研究了脉沖时域整形技术、光强空间整形技术、光谱角色散技术和波前控制技术。

The intensityand phase of the pulse were quantificationally measured,and the spatial chirp and pulsefront tilt induced by angular dispersion were qualitatively measured.

描述了空间啁啾和脉冲倾斜的传输规律,建立了一套飞秒脉冲测量装置,对飞秒激光脉冲和光谱的强度和相位进行了定量测量,对角色散引起的空间啁啾和脉冲倾斜进行了定性测量。

Spectrum control technology and its application researchBasic theory of smoothing by spectral dispersion in high-power laser system was studied. Periodical frequency modulation was obtained by chirped pulse stacking, and novel special gratings were proposed here to obtain angular spectral dispersion and temporal smoothing of focal spot.

并在国际上首次成功地应用于激光聚变高功率激光系统中。3、激光脉冲光谱控制技术及应用研究研究了高功率激光光谱色散平滑的基本理论,提出利用堆积啁啾脉冲的周期性光谱调制特性和新颖特殊光栅实现光谱角色散和激光束远场焦斑的时间平滑。

In the thesis, it was shown that the latitude variation of the angular dispersion should mainly depend on square sum of lower degree deduced Gaussian coefficients if the non-axial-dipole component vs. the axial-dipole component is small.

本文证明,如果地磁场非轴向偶极子分量相对轴向偶极子分量为小量,那么VGP角散布的纬度变化主要由低阶约化Gauss系数的平方和决定。

In this paper, firstly we researched the relationships of the communicating distanceand the channel characteristic, the effect of the multiple scattering to the laserpropagation, the requirement of the laser communication to the ATP system and theway to determine the angular dispersion and receive field of view. It is proved that inlight haze weather, letting the input and output laser\'s wavelength are diferrent witheach other, after passing by the filter, it can avoid backward scattering effectually andfor the communication within 15km, the influence of the multiple scattering inatmosphere can be ignored.

论文对通信距离与信道特性、多次散射对光传输的影响、无线激光通信对ATP带宽的需求以及光束发散角和接收视场角等重要系统性能参数和指标进行了分析和研究,证明了在轻霾天气状态下,使系统中两终端发送的激光束波长各不相同,经过光束滤波,可以有效地消除后向散射干扰;在15km的通信距离范围内,大气中的多次散射对无线激光通信光传输的影响可以忽略。

With the help of scanning electron microscopy and X-ray angular dispersion analysis, it is found that the 8-YSZ films supported by p-Al2O3 are structurally composed of a dense surface layer (~10 μm in thickness) on top of the substrate, a uniform in-filling layer (~50 μm) just under the surface of the substrate and an immediate diffuse layer reaching as deep as ~250μm.

利用扫描电镜和X射线角散分析技术对所制备电解质薄膜/p-Al2O3样品进行了微结构测试和表征。

We firstly bring forward and realize technologies of arbitrarily shaping laser pulse in the time domain by chirped pulse stacking, programmablely shaping spatial intensity by crystal liquid diaphragm, focused spot smoothing using angular spectrum dispersion by special gratings and detecting and compensating the small patch wave front aberration. Precise, programmable, efficient and \'all parameters\' condition of high power laser system has been obtained.

首次提出并实现了啁啾脉冲堆积型的时间波形任意整形;液晶光阀可编程光强空间整形;特殊光栅光谱角色散焦斑束平滑和小尺度波前畸变的探测和补偿,从而对高功率激光系统的激光束实现了高精度、可编程、有效的"全息"控制。

Detailed contents are given as follows:(1)In views of the x-ray laser target chamber on the SG-II high-power laser facility and the experimentally physical demands, the key influencing factors, such as the elliptical eccentricity and the spectral detection angle, on the angular dispersion, the spectral resolution,and the photometric parameter were studied by the elliptical self-focusing geometric principle. In order to increase the spectral and spatial resolution, using ray tracing code and optical path function, optimization calculation was carried out for an elliptical crystal spectrometer.

进一步以此为核心开发出了一种新型的X射线测量与诊断系统,取得了一些新的科研成果,可为王王淦淦昌昌院士、王大珩院士二老倡导研制成的用于国防科研、激光惯性约束聚变、强激光与物质相互作用、X射线激光等物理研究的大型钕玻璃高功率"神光II"激光装置上的物理实验提供更有效的诊断X射线谱手段,扩充了其应用范围,也对激光等离子体辐射keV以上能区段的X光发射和吸收的原子物理过程与机制、占据动力学、谱形态结构等方面做了深入一步的理论和实验研究。

Improved laser-beam uniformity using the angular dispersion of frequencymodulated light.

李平,马驰,粟敬钦,张锐,王芳,程文雍,"时域与空域结合实现光束匀滑的光谱优化分析",中国激光 35,

The pulse width broadening of the femtosecond laser after angular dispersion wasdescribed,the pulse width expression at arbitrary propagation distance was provided,the pulse width broadening of the femtosecond laser by AOD was precisely predicted,thegeneral theory on pulse width broadening of plane wave,spherical wave and Gaussianbeam was deduced and the physical mechanism of pulse width broadening based on eachabove light beam model was revealed.

本文对随机扫描双光子显微镜中飞秒激光传输特性进行了系统深入的研究,完整解决了这一理论问题,发现了空间与时间色散通过角色散耦合的规律,为空间与时间色散同时补偿的方案提供了理论依据,基于此原理的单个角色散器件同时补偿空间和时间色散的方案高效解决了声光偏转器的色散补偿这一核心难题,为建立随机扫描双光子显微成像装置并应用于神经学研究奠定了基础:阐明了飞秒激光经角色散后的光斑展宽规律,获得任意传输距离处的光斑解析式,精确预测了声光偏转器对飞秒激光的光斑展宽,并揭示了光斑展宽的物理机制。

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目的 研究体外受精(in vitro fertilization,IVF)中精子形态、顶体反应与卵子受精率之间的关系,分析精子各参数在IVF受精率方面的参考意义。

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我听说怀特先生要参加总统竞选!

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希尔达走了不久以后的一个刮风天,波太太对她说:你为什么不到树林里去散散步,到守猎人的村舍后边去看看野水仙?