direction selectivity
英 [dəˈrekʃn sɪˌlɛkˈtɪvɪti]
美 [dəˈrekʃn sɪˌlɛkˈtɪvəti]
网络 方向选择性
双语例句
- However, since the commonly used two-dimensional tensor product wavelet is isotropic and has the poor direction selectivity, it can only characterize the point singularity, and can hardly characterize the high-dimensional geometrical structures such as edges and textures in images.
但由于常用的二维张量积小波是各向同性并且方向选择性较差，它只能刻画图象中点的奇异性，难以刻画图象中的边缘和纹理等高维几何特性。 - To overcome the shortage of traditional direction of arrival ( DOA) methods and to improve the properties of direction finding in signal selectivity, an array signal model is proposed based on cyclic means as well as a least mean square ( LMS) approach to estimate DOA.
为了克服传统信号DOA估计的不足，提高信号的选择性和分辨率，文章给出了基于循环均值阵列信号模型.根据该信号模型，运用最小二乘得到了对源信号方向进行估计的有效算法。 - Since the work of Hubel and Wiesel, it is generally accepted that visual orientation and direction selectivity are achieved by processes in the visual cortex in the higher mammals.
视觉方位、方向选择性曾被认为是高等哺乳动物视皮层细胞的特有功能。 - The direction of modern chemical industry is developing fine chemicals industry of which the trend of development is the application of biocatalysis, and the attractive features of biocatalysis include high efficiency, excellent selectivity and catalysis at mild conditions.
大力发展精细化工产业是现代化学工业的发展方向，而生物催化技术应用于精细化工产品的生产已成为时代潮流，生物催化吸引人的特征包括高效率、高选择性以及温和的反应条件。 - Thirdly, according to the principle of lightning channels moving from the largest direction point of electric-field, we figure out lightning strike selectivity when lightning leader has different height and level distance to ground object, using the ANSYS software.
第三部分根据雷电通道按照最大场强方向走向的原理，利用ANSYS软件进行有效的分析，仿真出雷电先导在目的物高度不同情况下的雷击选择性。 - A fingerprint identification algorithm based on Gabor filter is discussed, using the features of direction and frequency selectivity of Gabor filter.
利用Gabor滤波器的方向选择和频率选择特性，实现了一种基于Gabor滤波器的指纹识别算法。 - Although wavelet transform was an effective method for extracting feature, it has limitations such as not having translation invariance and limited direction selectivity.
虽然小波变换是一种有效的特征提取技术，但其有一定的局限性，如不具有平移不变性、方向选择性也比较有限。 - We construct a new directional filter bank with flexible direction and frequency selectivity by cascading checkerboard-shaped filter pairs and the cosine modulated filter bank.
通过将二维棋盘形滤波器和二维可分离余弦调制滤波器组相结合，构造了具有灵活的方向和频率选择性的新的方向滤波器组。