spatial frequency
英 [ˈspeɪʃl ˈfriːkwənsi]
美 [ˈspeɪʃl ˈfriːkwənsi]
网络 空间频率; 空间频率的干涉影响; 空间周波数
双语例句
- Optical spatial frequency filter
光学空间频率滤色器 - Using a method of the spatial frequency filtering by combining the directional filtering with the very low frequency filtering, the desirable optical signals cau be taken out of a considerably complex image.
采用方向性滤波与极低频滤波相结合的方法，可以从较复杂的图象中提取所需用的信号。 - Spatial frequency tuning characteristics of cat primary visual cortex at different topological locations by optical imaging
用脑光学成像术研究不同空间拓扑位置猫初级视皮层的空间频率反应特性 - Spatial Frequency Ratio Image Fusion Method Based on Improved Lifting Wavelet Transform
改进提升小波变换的空间频率比图像融合 - The main theme of this paper is that the early process of visual cognition may be source from the global spatial frequency of object.
“初期特征分析”理论认为视觉认知过程由局部性质开始到大范围性质，而“初期整体知觉”理论认为由大范围性质到局部性质。 - A new multi-focus image fusion method using spatial frequency ( SF) and morphological operators is proposed.
本文提出了一种新型的基于空间频率和数学形态学算子的多聚焦图像融合算法。 - It includes topics such as spatial frequency filtering, holography.
它包括空间频率滤光、全息摄影。 - Optical Sparse Aperture Double-Circle Array Optimization Based on Practical Cut-off Spatial Frequency
基于实际空间截止频率的稀疏孔径双圆周阵列的优化 - High spatial frequency terms of the turbulent spectrum are sampled and low spatial frequency terms are revised using this treatment.
该算法既可对湍流的高频谱抽样，亦可对湍流的低频谱进行修正。 - Researches of Visually Cognitive Phenomena Based on Spatial Frequency Multi-Channels
基于空间频率多通道的视觉认知现象的研究 - Anisometropic amblyopia has the neural undersampling at a high spatial frequency in the secondary visual cortex as compared to amblyopic amblyopia.
屈光参差性弱视在高级视觉皮层对高空间频率刺激的采集和编码较斜视性弱视减少。 - 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； - Objective To evaluate the effects of spatial frequency on pattern reversal visual evoked magnetic field by using magnetoencephalography.
目的用脑磁图来研究人脑视皮质对不同空间频率黑白棋盘格翻转刺激所产生视觉诱发磁场成分之一的M100的影响，包括峰值潜伏期、振幅和源位置三方面。 - The filtering in spatial domain, spatial frequency domain and a system of optical formatting imagines are also analyzed.
同时也分析了空域滤波、空频域滤波、光学成像系统。 - Symmetric transform in spatial domain and spatial frequency domain
空间域和空间频率域中的对称变换 - In this paper, the DOA estimation is implemented by spatial frequency spectrum analysis.
本文从空间频谱分析的角度来实现这一估计。 - The detail of images was adjusted by gradation processing and spatial frequency processing technique.
运用谐调处理和空间频率处理技术实施影像细节的调节。 - The relief depth varies with the spatial frequency and can be modulated with different exposures.
浮雕深度随空间频率而变化，并且可用不同曝光量进行调制。 - A real-time image pseudocolor encoding method for spatial frequency and density encoding is presented.
本文论述用频谱面彩色滤波方法对图像进行实时的频谱和密度假彩色编码。 - It is shown that the effect of grating is to expand the encoded spatial frequency dynamic range.
证明了光栅的作用是扩大了假色编码空间频率动态范围。 - The essence of subspace methods is the estimation of spatial frequency in the array sampling.
DOA估计子空间方法的本质是对阵列空间采样数据中空间频率的估计。 - Finally, an analysis tool& spatial frequency chart is set up to help understanding the three concepts.
最后，对这3个概念作了形象化分析，并创建了一个分析相位的工具&空间频谱图。 - Standard four periodical rectangular patterns with typical spatial frequency and radiometric temperature were generated according to signal transfer equation.
该方法从红外成像系统信号传递方程出发，模拟生成不同空间频率、辐射温度的标准四周期矩形样条； - The system is with a broad spatial frequency and focus ranges.
本系统测量的空间频率范围和焦距范围都比较大。 - A new spatial frequency is put forward by wavelet transform characteristic of having three orientations detail component.
根据小波变换有三个方向的高频细节这一特点，提出了一种新的空间频率概念，基于这种空间频率进行图像融合，得到了同时具有较好的空间分辨率和光谱信息的融合图像。 - Fourier transformation is used to analyze the spatial frequency spectrum and intensity distribution of the diffraction beams.
介绍了设计原理方法，采用傅里叶变换分析了衍射光束的空间频谱及光强分布。 - This kind of aberration requires the deformable mirror in adaptive optics have large stroke and high spatial frequency simultaneously.
这些像差对变形反射镜提出了较高要求，要求变形反射镜需要同时具有大行程和高空间频率两个特征。 - According to the specificity and transfer of perceptual learning, designed the gabor identify training and change the direction, contrast and spatial frequency during the training.
根据知觉学习的特异性和迁移性，设计了Gabor的识别训练，在训练中改变Gabor光栅的方向，对比度和空间频率。 - Based on wavelet transform spatial frequency localization and multi-resolution, we analyzed Anomaly characteristic in each high frequency components.
利用小波变换具有空频局部化和多分辨率的特点，在各级高频分量中分析异常特征。 - These spatial frequency band errors degrade optical performances significantly and are difficult to be controlled.
这些空间频带误差的存在严重影响了系统的光学性能，且难以得到控制。