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- The Collins formula and tensor ABCD law in spatial frequency domain provide the relation between the input spatial Fourier spectrum and the output spectrum directly. 空间频率域中的柯林斯公式和张量ABCD定律直接给出了像散光束的空间傅里叶频谱的传输规律。
- The effects of radial position and the axial length of the electrode on the temporal frequency bandwidth are similar to the spatial frequency domain. 在时间频域内测量系统相当于带通滤波器,电极的轴向长度和颗粒径向位置对频带宽度的影响与空域频率特性相似;
- This paper studies intensively the "bilinear interpolation and 2D-IFFT" method of reconstructing image from the unevenly spaced data in the spatial frequency domain. 本文深入研究了由空间频域上的非均匀采样数据重建图象的“双线性插值加二维快速傅里叶反变换”方法。
- The Collins formula in spatial frequency domain is generalized into axially nonsymmetrical optical system in terms of tensor analysis method. Based on this formula, the tensor ABCD law in spatial frequency domain is derived. 运用张量分析方法把轴对称系统中的空间频率域的柯林斯公式推广到一般的非轴对称光学系统 ,并推导了在空间频率域中适用于非轴对称光学系统的张量ABCD定律。
- In this paper,the mode of resonator with Gaussian andsuper-Gaussian random phase modulation is analyzed and calculated numerically by the modal theory of coherence in spatial frequency domain. 本文利用空间-频率域相干模式理论对内置高斯或超高斯类型的随机相位调制的腔内模式进行了数值分析。
- Spatial frequency domain algorithm 空间频域算法
- spatial frequency domain 空间频域
- It includes topics such as spatial frequency filtering, holography. 它包括空间频率滤光、全息摄影。
- But resampling in the frequency domain will causes replicas occur in the spatial domain if we do not use any reconstruction filter. 但是它会有频域空间再取样的问题，导致重叠影像的失真现象，因此滤波器的设计对傅立叶立体资料描绘法是非常重要的研究主题。
- From principle, we use the Fourier method to compare the information consistency in the spatial domain and frequency domain for traditional X-ray, CT and Tomosynthesis device. 从原理层面,基于对不同X-ray医疗设备(传统X-ray,计算机断层扫描CT,运动成像Tomosynthesis)采集信息完备程度的分析,分别从空间域和频率域的角度论证了信息完备性程度的一致性。
- The existing temporal spatial analysis methods, such as microstate, frequency domain analysis and event related coherence, are introduced in this paper. 本文详细介绍了这些分析方法。
- The algorism for frequency domain use FFT to realize. 频域算法采用了快速傅立叶变换实现；
- The frequency domain, the holograph and related concepts have all been used. 频率域、全息及有关的概念都已采用。
- Luminance masking and spatial frequency masking were considered in our scheme. 此方法考虑了人的视觉所具有的亮度屏蔽和空间频率屏蔽特性。
- Finally, it is easy to move form the Laplace domain into frequency domain. 最后，从拉氏域转换到频率域也很容易。
- A comparison of IIL with OAI in theory and frequency domain is given. 从成像原理和频域范围的角度对IIL和OAI进行了理论研究、计算模拟和对比分析。
- The results revealed mild lowering contrast sensitivity at high spatial frequency for our glaucoma patients. 然而特定轴度之闪光眩耀测试结果并未见明显差别。
- Analyzed is the dependence of the defocusing quantity on the hologram size and the spatial frequency bandwidth of the object. 分析了全息图尺寸及其记录的空间频带宽度与离焦量的关系;
- The diffraction of surface acoustic waves in Raman-Nath regime on acoustic grating with linearly chirped spatial frequency is investigated. 本文将声表面波声栅上的Raman-Nath衍射现象研究发展到其周期的空间频率为线性变化的声栅情形。
- A Wiener weighting adaptive time delay estimation algorithm based on frequency domain is presented. 提出了一种基于频域自适应滤波的维纳加权时延估计算法。
