同时，本文还计算出了这几种参数的误差容限，这对体积相位全息光栅的实际制作具有指导作用。
Furthermore, the paper offers the error limited of these parameters and they are good to guide practical fabrication of the volume phase holographic grating.
在反演体积相位全息光栅参量的实验中，反演出的光栅参量与真值的误差不超过1%。证明了该法的正确性和可行性。
In the experiment of determining the Volume Phase Holographic Grating's parameters, the error of the result is not over 1%, so it demonstrates the metrology's validity and feasibility.
提出了一种基于数字全息技术和相位恢复算法的信息加密方法。
An information encryption method is proposed based on digital holographic technique and phase retrieve algorithm.
本文应用相位移激光全息干涉法研究板状结构的热应变。
In this paper, the thermal deformation of a plate is measured by Phase shifting laser holography interference.
对全息测量下的X射线相位衬度断层成像问题提出了一种新的重建算法。
A new algorithm for phase contrast X-ray tomography under holographic measurement was proposed.
聚合物单体由于光敏感性好、折射率调制度大和分辨率高等优点在全息聚合物光栅、光了晶体和光相位调制器等器件中得到广泛的应用。
Good photon sensitivity, large index modulation and high resolution make monomer in a number of applications such as holographic polymer grating, photonic crystal and light phase modulator.
提出了一种记录多方向全息相位光栅的新光路，详细介绍了此光路的调整方法。
A new recording system for generating the multidirectional holographic phase gratings is presented. An adjusting method of the system is discussed in detail.
利用全息照相，我们可以得到燃气轮机叶片振动时的振型、振幅和相位分布。
With the use of holography, the mode, amplitude and phase distribution of gas turbine blade vibration can be determined.
本文将相位分析技术中的傅立叶变换法(FTM)引入二次曝光全息干涉计量中，提出了二次曝光数字全息干涉术。
In this paper, we apply the Fourier transform method (FTM) of the phase analysis method to double-exposure holographic interferometry and propose double-exposure digital holographic interferometry.
提出一种用非线性晶体的相位共轭特性记录扫描全息图的方法。
A method of recording a scanning hologram with the phase conjugate property of nonlinear crystal is presented.
研究了不同偏振全息模式下基于交联偶氮苯聚合物薄膜的相位光栅的形成机理、衍射效率和偏振特性。
The forming mechanism, diffraction efficiency and polarization characteristic of phase gratings written in cross-linked azobenzene copolymer films under different holography modes were studied.
利用条纹照相机直接观察和记录了由全息相位共轭技术产生的相位共轭的皮秒光脉冲。
The phase conjugation of picosecond optical pulses is observed and recorded directly by using a streak camera. The signals are achieved by holographic phase conjugate technique.
激光全息摄影是一种能够记录景物反射光的振幅和相位信息的立体摄影技术。
Laser holography is a kind of three-dimensional photographic technique to record the scene reflected light amplitude and phase information.
实时全息干涉法可以观察记录整个测试过程中条纹图的动态变化，传统相位提取算法只适合于静态干涉条纹图相位的提取。
Dynamic fringe pattern can be observed throughout the testing by real-time holographic interferometry, while the traditional method is only suitable for static fringe pattern in phase extracting.
本文主要研究实现微小或显微相位物体的三维轮廓再现的数字显微全息关键技术。
In this dissertation, digital micro-holography for the reconstruction of three dimensional profiles of the small or micro phase objects and its key techniques are studied.
然而，精确地求解相位、幅值及频率是作全息谱的基础和前提，基于传统DFT方法是不能得到精确的值。
However, the accuracy of phase, amplitude and frequency are basis of the holospectrum. The values are inaccuracy through the traditional DFT.
在顺电相光折变晶体中存储全息相位光栅是研制一种新型的电控全息光开关的有效途径。
The holographic grating storage in photorefractive crystal in paraelectric phase is an available approach to develop a new style electroholography switch.
使用垂直于像平面的平面光为参考光，降低了数字全息显微术中相位补偿和解包的难度和复杂性。
Since a normal incidence plane wave is used as the reference wave, the difficulty and complexity of phase aberration and phase unwrapping of DHM are remarkably decreased.
仿真及对柔性转子试验台振动信号的分析结果表明，基于频谱细化和相位差校正的全息谱能有效提高其分析精度，更加精确有效地诊断旋转机械的故障。
With correction of phase difference for the max peak, the amplitude and phase of each order frequency can be acquired. At last, the holospectrum was synthesized.
仿真及对柔性转子试验台振动信号的分析结果表明，基于频谱细化和相位差校正的全息谱能有效提高其分析精度，更加精确有效地诊断旋转机械的故障。
With correction of phase difference for the max peak, the amplitude and phase of each order frequency can be acquired. At last, the holospectrum was synthesized.
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