释义 |
speckles 英s'peklz美s'peklz COCA⁷⁹⁷⁸⁵BNC¹¹⁴⁰²⁴⁺⁵ 基本英英例句例句 散斑¹⁰⁰原型speckle的三单 名词 speckle: a small contrasting part of something 动词 speckle: produce a mottled effectmark with small spotsThe method ofspecklesdisplacement, a new attempt to test characters of space distribution of laser Gaussian beam, is presented.提出一种测量激光高斯光束空间分布特征的新方法散斑位移法。 The diffraction formula and statistical law of optical fields are used to get the cross-correlation function of intensities of laserspecklesof the moved diffuse object.该方法利用光传播的菲涅尔衍射公式和光场的统计规律,给出散斑场光强在散射体位移前后的高斯光束相关函数的表达式。 According to experimental results, the proposed filter is effective in retaining SAR resolution while reducing speckles, which lays a sound foundation for post- processing of PolSAR data. 实验结果表明,该方法能在滤除噪声的同时能有效地保持对地物细节的分辨能力,为极化 SAR数据的后期处理和应用打下基础。 com It is a common method to use dynamic speckles produced by the laser transmitting through a rotary ground glass as a pseudo- thermal light source in order to overcome these problems. 利用激光照射旋转的毛玻璃形成的动态散斑作为赝热光源可以解决上述问题,是目前常用的一种方法。 opticsjournal The aperture of the interface is changed due to the relative motion of the interface with respect to the speckles and the receiving focus probe. 界面、超声散斑和超声接收探头之间的相对运动,导致界面孔径的改变。 cnki The causes for being hard to shoot or even finding no caustics speckles in rock type materials are pointed out from viewpoints of experiment and theoretical estimation. 从试验和理论估算角度,指出了岩石类材料难以拍摄到、甚至不出现焦散斑的原因。 www.jsks.net.cn This paper has expounded the principle of measuring displacement by the method of laser speckles and derived the quantitative mathematical equation using Fourier's translation. 本文阐述了激光散斑法测位移的原理,运用富里哀变换得出了定量的数学表达式。 cnki A numerical analysis of dovetail joints is made, and the results are compared with that of laser- speckles measuring. 将边界元分析应用于航空发动机轮盘榫槽与叶片样头联接的计算,并与激光散斑法的实测结果进行比较; cnki A scanner placed at the Fourier Transform plane is suggested in this paper for effectively minimizing the radar speckles by using scanning technique for subdividing the spectrum. 本文设计了一只扫描器放在付氏变换频谱面上,用频谱分割扫描技术有效地消除雷达散斑的影响。 cnki And they analyzed the scratches and speckles on the teeth enamels of the bears. 同时他们还对洞熊齿珐琅质上的划痕和斑点进行分析。 transcn As a coherent digital holographic imaging method, the speckles noise degrades the image quality. 数字全息作为一种相干成像方法,散斑噪声严重影响其成像质量。 opticsjournal Bigger noises and random fluctuations forming Doppler speckles are found in the Doppler signal spectra obtained from Short-time Fourier Transform STFT based on commercial Doppler analyzes. 基于短时傅立叶变换 STFT的商用多普勒分析仪所得出的多普勒信号谱存在较大的随机噪声和随机抖动形成多普勒斑点 ; cnki But there were differences among the nuclei of brain. The splicing factor SC35 or SC35 like protein in the neuron has been shown as many discrete speckles. 在光镜水平, SC35或 SC35样蛋白免疫阳性细胞广泛存在于大鼠脑内神经元,并且存在核团差异性; cnki CT examination revealed calcified speckles or plaques in167 eyes from145 patients 89.5%, consistent with the pathological diagnosis of RB. CT检查发现145例167只眼肿块内有斑片状、块状钙化。 CT诊断与病理诊断符合率为89.5%。218.6.197.152 First-order statistical properties of ultrasonic speckles back-scattered from an interface with tiny pits on, which is considered as one kind of weak scattering interface, are studied in this paper. 对超声入射至分布有细小凹坑的界平面,这一类弱散射界面背向散射所形成的超声散斑的一阶统计特性进行了研究。 cnki It improves the quality of gravure printing by reducing dot skips or speckles especially in highlight areas. 它减少网点漏印,特别是光部的细点,从而提高品质。 tdict Result The segmented image had smooth continuous edges, few noises or speckles, and the contour of ventricle was clear and accurate. 结果分割后的超声心脏图象具有光滑连续的边界,且心脏的各腔清晰、准确。 cnki The inside has a black cat eye type pupil with orange and black speckles like a dragon egg. 内部黑色猫眼般的瞳孔点缀着橘色和黑色闪点,像是一个恐龙蛋。 yeeyan The diffraction formula and statistical law of optical fields are used to get the cross- correlation function of intensities of laser speckles of the moved diffuse object. 该方法利用光传播的菲涅尔衍射公式和光场的统计规律,给出散斑场光强在散射体位移前后的高斯光束相关函数的表达式。 ilib The experimental method, measurement results and error analysis for testing the large scale non uniformity of1 D and 2 D focal spot and interference speckles of the small scale have been presented. 报道了测定聚焦光斑一维、二维大尺度不均匀性及小尺度干涉斑纹的实验方法、结果及误差分析。 cnki Theory and experiment of a new image encoding technique using speckles modulated by different slit pupil function are described. 本文提供了用不同方向的狭缝构成的光瞳函数来调制散斑作图象编码的原理和实验结果。 cnki |