纹理
- 与 纹理 相关的网络例句 [注:此内容来源于网络,仅供参考]
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In temperature range from 25 to 200 ℃, The heat conductivity along the grain of wood is approximately 2.4 or 3 times of that cross the grain. And this result is relative to composing orientation of the molecules interlink inside the cellular wall of wood.
在25~200℃内,热流平行于纹理方向的木材导热系数要大于其垂直于纹理方向的导热系数,前者是后者的2.4~3倍:这种差异与细胞壁内分子链结构的构成方向有关。
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In first, a new short time formula of one dimension heat conduction differential equation, based on the theory of one dimension transient method, is presented for thermophysical property measurement of wood. The result of testing on red pine and larch wood arc satisfied by new method.In succession, the relationship between heat conductivity of wood and moisture, density, porosity, temperature and grain is studied experimentally in the range from 25 to 100℃. The result shows that, the heat conductivity is in direct proportion to density. but in inverse proportion to porosity. The heat conductivity of air-dried wood increased probably linear with the temperature rising. And that heat conductivity along the grain of wood is higher than that cross the grain. The former is 1.8 or 2 times of the latter.
文中研究了25~100℃范围内,气干木材的导热系数与含水率、密度、孔隙率、温度及热流方向的关系,研究表明:木材导热系数与密度成正比关系,与孔隙率成反比关系:对于针叶材,导热系数与密度及孔隙率成线性变化关系,而对于阔叶材其变化关系近似成二次曲线;气干木材的导热系数随着温度的升高近似呈线性增加:热流平行于纹理方向的导热系数大于垂直于纹理方向的导热系数,两者的比值大约在1.8~2之间。
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In order to enhance tone difference of the different plant cover areas and textural information at the different regions, the data processing experiment based on ratio transform and combination has been done to enhance the image texture character, this is in effect benefit to enhance spatial texture information.
为了突出不同区域植被的色差和纹理信息,对影像图进行比值增强组合处理实验,比值增强处理后的图像对空间纹理有增强效果。
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Based on the summarizing of the algorithms of subdivision surface by Catmull and two-part texture mappings by Biers, this paper goes deeply into the realization algorithm of the Texture Mapping on the plane, quadratic surface and NURBS surface and the algorithm of the texture mapping when the plane and the general parametric surface are the optimal intermediate surfaces.
本文在研究和总结了Catmull的分割面片算法和Bier等两步纹理映射算法的基础上,讨论了平面和一般参数曲面作为中间曲面的纹理映射方法。
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For meeting the needs of automated real-time dynamic monitoring of heavy fog events by means of a weather satellite remote-sensing technique for specialized meteorological services like military operations and highway traffic, the paper presents a systematic study of spectral characteristics of visible and infra red light, the textures and dynamic dispersals of fogs on satellite imagery in the context of theory on the transmission of atmospheric radiation, thereby revealing their abruptness, waviness and mass-like features, which, in combination with a synthetic technique for cloud/fog maps of multi-channel remote-sensing spectra are used to set up a model for automatic separation of fogs from clouds based on the integrative application of spectral features and texture structures, for which are constructed corresponding discfiminant functions and criteria, and on this basis prepared is a"system for remotely-sensing monitoring of low cloud and heavy fog"which has been used for tests, with the main conclusions shown as follows.
本文针对军事和高速公路等专业气象服务中应用气象卫星遥感技术对大雾进行自动化实时动态监测的实际需要,从大气辐射传输理论入手,系统地研究了气象卫星遥感图像上云雾的可见光和红外光谱特征、纹理结构特征和大雾的消散动态特征,揭示了雾的突发性、波动性和团状雾特性,通过研究多通道遥感光谱的云雾图像合成技术,建立了综合应用光谱特征和纹理结构特征的云雾自动分离模型,给出了相应的判别函数和判别准则,研制了&低云大雾遥感监测系统&,并进行了实际应用试验。
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Furthermore the effects of the working frequancy of the B mode scanner probes on the texture parameters of B mode tomograms are discussed.
目的 研究在不同频率探头的情况下,同一种组织的超声纹理参数的变化,探讨B超探头的工作频率对B超图像纹理参数数值的影响。
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An increase in the number of render targets, textures, and samplers. There is also no shader length limit.
增加了绘制对象,纹理和纹理采样的数量,Shader没有指令数限制。
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The noise of leather texture images was wiped off by adopting wavelet packet decomposition, and the characteristic rectors of images were extracted using co-occurrence matrix, then the characteristic vectors were clustered by modified FCM.
该系统对皮革纹理图像采用小波包分解去噪,并用共生矩阵提取皮革图像的纹理特征向量,用改进模糊聚类方法对样本特征样本向量进行聚类分析。
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I really like the texture of this material; it has a slightly coarse texture which actually makes it quieter than some other tighter weave nylons.
我非常喜欢这种面料的纹理:它有着细微粗糙的纹理使得它比其他紧密织物的尼龙来的安静。
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Therefore, this paper used improved box-counting approach to compute the fractal dimension of wood texture cell image.
为了提取木材纹理特征,提出采用改进差分盒子法计算木材纹理细胞图像的分形维数值。
- 推荐网络例句
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I didn't watch TV last night, because it .
昨晚我没有看电视,因为电视机坏了。
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Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.
今年以来,在北京的很多小区里,电梯液晶电视被撤了下来。
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I'm running my simile to an extreme.
我比喻得过头了。