• 不仅可用损耗调制取得,可用位相调制来得到。

    Mode locking can be induced not only by loss modulation, but also by phase modulation.

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  • 理论上分析非线性折射率引起脉冲位相调制超短脉冲的影响

    The article theoretically analyzes the impact of self phase modulation caused by nonlinear refractive index on ultrashort pulse.

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  • 本文讨论了调制彩色编码输出图象色度亮度调制深度变化规律

    The variation of brightness and chromaticity of output image with modulation depth in phase-modulated colour encoding image is investigated.

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  • 提出了一种制作具有预期度的卤化乳胶位相全息光栅方法

    A new method for making a thin silver halide phase holographic grating with an expectation phase modulation is proposed.

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  • 本文叙述了用位相调制外差技术探测光学谐振腔反射特性原理实验结果

    The principle and experimental results of phase modulation optical heterodyne detection technique for measuring reflection of optical cavity are described.

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  • 从理论上分析光纤陀螺调制光源稳定整机性能特别是对漂移影响

    The effect of phase modulator of optical fiber gyro and light source stability on overall system property is analyzed.

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  • 研究液晶校正位相调制曲线非线性校正以及液晶适应闭环对畸变波前校正。

    The correction of the nonlinearity of the liquid crystal wavefront corrector and the closed loop correction were investigated.

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  • 随着对于薄膜位相调制特性要求提高系统将可望未来的薄膜工业中扮演比较重要角色

    With the increase of demand for thin film structures with specific phase properties, this white-light spectral interferometer can play an important role in future thin film industry.

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  • 而且,利用狭缝滤波“交叉滤波”技术能够提取出具有调制或者具有振幅起伏波面

    And the techniques of double-slit filter and "cross-filter" can be used to extract the near field wavefront of the laser beam with phase modulation and amplitude fluctuation.

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  • 投影光栅方法获得位相调制空间载波进行数字图象处理,实现了散射物体的三维曲面测量

    The shape measuring of a diffuse abject is conducted based on 2-D digital image processing phase modulated fringe pattern acquired by the projection of Ronchi rulings.

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  • 采用光学调制基本思想,二元纯位相型光学系统将椭圆高斯激光束单模光纤最佳耦合

    Based on the phase modulation of binary optics, the binary phase only masks are used to couple the elliptical Gaussian beam to single mode fiber.

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  • 数值模拟SSD参量,包括脉冲时间、调制频率、位相调制系数、光栅线色散系数等对匀滑性能影响

    The influences oft he parameters of the SSD technique on the beam smoothing performance are numeric ally analyzed.

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  • 但由于不同型号液晶空间光调制器的调制特性尤其是调制特性存在较大的差异,在实际使用加以测量后才能应用

    Different types of LCSLM have different modulation characteristics, in particular their phase modulation characteristic, so this must be measured before it is used.

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  • 利用菲涅基尔霍夫衍射积分非线性波动方程,在远场近似光学薄近似条件下,得出相调制产生“”出现置及强度满足的解析关系

    According to the Fresnel-Kirchhoff diffraction integral and nonlinear paraxial wave equation, we derive the functional relationship of the intensity of hot image and its location.

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  • 波长周期位相调制控制能使混沌激光控制三周期多周期态等。

    Chaos is also controlled into periodic state and multi-periodic state by a method of a wavelength periodic modulation.

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  • 其次,采用数值计算的方式,分析输入方波信号光纤匹配对比度调制传递函数影响

    The next, the influence of phase match between input signal and line-array fiber-optic image bundles on the contrast transfer function was analysed digitally.

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  • 详细地讨论了有关调制若干参数矢量波长、幅

    Several parameters related to modulation wave, such as wave vector, wave length and argument phase etc.

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  • 本文介绍液晶空间调制器作为调制信息衍射元件获得可变焦长的菲涅耳透镜以及元件光学成像系统中的应用

    A kind of diffraction element modulating phase information by LC space light modulator to get a zoom Fresnel lens, as well as the using of said element to optical imaging system, is introduced.

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  • 特点可用观察物体干涉条纹调制位相连续变化的物体上进行测量

    It can be used to observe phase objects, and the interference fringes can be modulated on the continuously changed phase objects for measurement.

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  • 展开区域边界位相展开路径像素强度调制决定

    The path for phase unwrapping is determined by the intensity modulation in the pixels on the boundary of the phase unwrapped areas.

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  • 全息图一般既有浮雕调制折射率调制,它们都会衍射特性产生影响

    A phase hologram not only has relief modulation but also has refractory index modulation, both modulation will affect the diffraction property of the phase hologram.

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  • 通过CCD采样过程分析说明输入信号CCD像元位相匹配调制传递函数(MTF)影响

    That the phase match between input signal and CCD pixel has influence on the measuring results of MTF is showed by the analysis of the CCD sampling process.

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  • 解调的1信号系统调制进行逻辑组合(例如异或),产生多个1值。

    The demodulated 1-bit signal values are bitwise logically combined (e. g., XORed) with the positioning system modulation code to produce a plurality of 1-bit correlation values.

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  • 提出基于条纹调制分析包裹新算法

    A novel phase unwrapping algorithm, based on intensity modulation analysis and adaptive threshold is presented.

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  • 根据空间调制调制作用提出了阶纯匹配滤波器编码方法

    A kind of coding method of gray-scale phase-only matched filter according to the phase modulation property of the spatial light modulator has presented.

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  • 分析了胶片非线性效应光栅调制深度编码效果影响。

    The nonlinear effects of the film on the phase modulation depth and encoding results are also analysed.

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  • 提出外部注入半导体激光器混沌控制方法通过周期调制注入光的位相移将激光器的混沌控制多种周期状态。

    In this paper, a method of chaotic controlling is presented via controlling the phase in semiconductor lasers under to external optical injection.

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  • 利用偏振分光棱镜一维型空间调制,作者成功地实现了光学CC榕树网络给出了任意输入输出的连接控制方式。

    Optical CC-banyan network has been implemented by using polarizing beam splitters and 1-d phase spatial light modulators, and the routing control between any input-output pair is given.

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  • 传统的计算全息不同方法将全息平面的纯位相信息加载到空间光调制器上来重建漫射体,而没有引入参考光波

    Different from conventional CGHs, the pure-phase information on the hologram plane is loaded on the SLM to reconstruct the 3d diffusive objects without considering the reference wave.

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  • 传统的计算全息不同方法将全息平面的纯位相信息加载到空间光调制器上来重建漫射体,而没有引入参考光波

    Different from conventional CGHs, the pure-phase information on the hologram plane is loaded on the SLM to reconstruct the 3d diffusive objects without considering the reference wave.

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