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speckle相关的网络例句

查询词典 speckle

与 speckle 相关的网络例句 [注:此内容来源于网络,仅供参考]

Because two shearing object beams travel in the same direction when Wollaston prism is used as image-shearing device in traditional speckle shearing interferometry.

在沃拉斯顿棱镜作为剪切器件的传统剪切散斑干涉术中,由于错位的二物光束同光路传播,很难通过将它们分开来引入附加相位的方法实现相移。

This paper studies crack initiation and propagation in LT specimens of Betula platyphylla Suk. by the digital speckle correlation method.

该文以白桦为研究对象,利用数字散斑相关技术对白桦LT型裂纹的演化与增长的力学行为进行了实验研究。

Fleck: Transmissibility aestates , chloasma , sunburn , lead mercury speckle , senile plaque , chromatosis etc.

色斑:遗传性雀斑、黄褐斑、晒斑、铅汞斑、老年斑、色素沉着等。

A detector array target of laser distant-field detect system is designed, and two key factors are analyzed. To determine the size of the array target, the laser diffract effect and the influence of atmospheric turbulence are discussed, three factors that influence the resolution of the array target are analyzed. Three factors are the dimension of laser speckle resulted by atmospheric turbulence, space sampling frequency based on sampling theory and the loss of the frequency spectrum function of the array detector.

设计了一种激光远场直接探测系统,对系统中的两个关键问题进行了讨论,一、在探测器阵列靶板尺寸的确定问题上讨论了激光的衍射效应和大气湍流的影响;二、在探测器阵列靶板分辨率的确定问题上讨论了激光的衍射效应和大气湍流的影响;对第二问题讨论了对其有影响的三个方面:大气湍流引起激光碎斑尺寸,由采样定理决定的空间采样率,由阵列探测器的频谱函数引起的损失。

An algorithm based on dyadic wavelet transform for speckle reduction and contrast enhancement in intravascular ultrasound images was presented.

提出基于二进小波变换的血管内超声图像血液斑点噪声抑制和对比度增强算法。

Blood speckle noise in the IVUS image would affect the validity of edge detection badly. A temporal/spatial filtering method was used to preprocess the IVUS image to restrain the noise. Then a method to automatically detect the intima and ectoblastic edge of IVUS image was presented. This method is based on the active contour model and the contrast properties of IVUS image, which makes use of the Hopfield NN and simulated annealing algorithm.

为解决血管内超声图像中严重的血液斑点噪声影响边缘提取方法的有效性问题,采用一种时/空滤波方法对IVUS图像进行降噪预处理,基于活动轮廓模型和IVUS图像的边缘对比度特征量,利用Hopfield神经网络并结合模拟退火算法自动提取IVUS图像的冠脉血管壁内、外膜边缘。

Epauletted fruit bats speckle a saffron-colored sky at sunset in Zambia's Luangwa Valley.

在赞比亚的卢安瓜山谷里,肩毛果蝠在夕阳染成绛红色的天空下飞舞。

Epauletted fruit bats speckle a saffron-colored sky at sunset in Zambia's Luangwa Valley.

在赞比亚的卢安瓜峡谷里,肩毛果蝠点缀着日落时藏红色的天空。

Epauletted fruit bats speckle a saffron-colored sky at sunset in Zambia's Luangwa Valley.

位于赞比亚的Luangwa山谷日落时刻,由于果蝙蝠群飞翔变得藏红花色斑点的天空。

Photo of the Day December 10, 2007 Fruit Bats at Dusk, Zambia, 2007 Photograph by Frans Lanting Epauletted fruit bats speckle a saffron-colored sky at sunset in Zambia's Luangwa Valley.

位于赞比亚的Luangwa山谷日落时刻,由于果蝙蝠群飞翔变得藏红花色斑点的天空。

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随着死亡的吉他手Schuldiner接受主唱的职务,乐队在现实中树立了重要的影响。

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