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- 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。
- Nyquist frequency defined as the highest spatial frequency where the sensor can still faithfully record image detail. Beyond the Nyquist frequency aliasing occurs. 奈奎斯特频率的定义是：感光器能够忠实纪录影像细节的最高空间频率。在此频率以上就会发生混肴现象。
- A new method to produce high spatial frequency grating with variable spacing 高频可变间距全息光栅的制作方法的计算机模拟研究
- High spatial frequency 系统传递函数
- It includes topics such as spatial frequency filtering, holography. 它包括空间频率滤光、全息摄影。
- This method improves a standard wavelet merger for merging the lower frequency coponents of a multispectral image and its relatively high spatial resolution image. 它将高空间分辨率的全色图象和多光谱图象经小波变换后的低频分量进行融合，改进了传统基于小波变换理论的增强方法。
- The spectrometer has both high spatial resolution and energy resolution. 谱仪具有较高的空间分辨率和能量分辨率。
- 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。
- Nematic Liquid Crystal Binary Gratings with High Spatial Frquency[J]. 引用该论文 史红军;苗？岑;史永基.
- Study on terrain radiant correction of high spatial resolution image of mountainous area. 山区高分辨率遥感影像地形辐射校正方法研究。
- LIDAR data are new data source,and they generate a high spatial resolution "point cloud". 激光雷达(LIDAR)数据是一种新型数据源,它产生的是高密度点云数据。
- 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。
- Abstract Single molecule detection is a technology of studying biomolecules with high spatial and temporal resolution. 摘要 单分子检测是一门以高度的时间以及空间分辨率研究生物单分子的技术。
- 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;
- Optical imaging techniques offer high spatial resolution but are limited to preclinical use. 光学成像技术具有较高的空间分辨率，但在临床前应用有局限性。
- 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。
- Abstract: Single molecule detection is a technology of studying biomolecules with high spatial and temporal resolution. 摘 要： 单分子检测是一门以高度的时间以及空间分辨率研究生物单分子的技术。
- 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;
- Method Modulation transfer function (MTF) was used to analyze the spatial frequency transfer characteristics of CT and MRI. 调制传输函数可对线性影像系统的频率传输特性进行描述。
- A new spatial frequency analysis method based on wavelet was applied to homomorphic filtering to enhance the contrast of ICT image. 针对ICT图像对比度低、边缘模糊、细节不清晰等问题,提出采用基于小波的同态滤波算法来对图像进行增强。
