1、

Bigger numeric aperture ( due to the better optics ) needs less light intensity.

更大的数字 光圈 降低了对光线亮度的要求.

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2、

Auto Focusing Algorithms of Translation Motion Compensation for Inverse Synthetic Aperture Radar Imaging

逆合成孔径雷达成像运动补偿自聚焦方法研究

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3、

Lens Design for High Power and Wide-aperture Beam Expander

高倍率及大孔径扩束器的光学系统设计

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4、

Based on the theory of aperture function of the focused Gaussian beam SHG, the non phase matched ( NPM) SHG process in a crystal sphere is analyzed, and the optimum focus condition of type ⅰ NPM SHG is discussed.

根据聚焦高斯光束二次谐波产生的孔径方程理论,分析了晶体球中的第类非相位匹配二次谐波产生过程,讨论了晶体球中第类非相位匹配二次谐波最佳聚焦参数的选择。

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5、

The synthetic aperture radar ( SAR) image terrain classification algorithm combining the respective characteristics of Beta-prime ( BP) statistic model and quadratic Gamma discrimination ( QGD) classifier is presented.

本文融合了Beta prime(BP)统计模型和QuadraticGammadiscrimination(QGD)分类器各自的优点,给出了一个完整的合成孔径雷达(SAR)图像地物分类算法。

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6、

Shielding effectiveness of PCB loaded rectangular enclosure with circular-aperture array If A is the mxn matrix, then the nxm matrix is called the transpose of A.

加装印刷电路板的圆孔阵矩形机壳屏蔽效能如果A是mxn矩阵,那么nxm矩阵为A的转置矩阵。

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7、

Data Processing Method for MFD Measurement by Means of Continuous Variable Aperture Far Field

连续变孔径法单模光纤模场直径(MFD)测量的数据处理

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8、

Synthetic Aperture Radar Images Target Recognition Based on Wavelet Domain NMF Feature Extraction

基于小波域NMF特征提取的SAR图像目标识别方法

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9、

Methods Obturator was made based on the size of the velopharyngeal aperture determined with NPF.

方法腭咽闭合不全患者通过鼻咽镜检查,根据腭咽孔大小、形状制作腭咽阻塞器。

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10、

A novel approach is proposed for point target detection in Synthetic Aperture Radar ( SAR ) image.

提出了一种新的低信 噪 比序列图像运动 点目标 检测与跟踪算法.

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11、

The fracture toughness Klc will be calculated by the transverse flow stress of tube wall and the actual maximum diameter of the aperture.

可以通过测量射孔后管壁的横向流变应力和孔眼的实际最大尺寸来计算套管在射孔过程中不开裂的断裂韧性指标K(Ic)。

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12、

But only with the right focal distance and correct aperture could we get the true pictures.

只有我们调对了焦距,对准了光圈,才有可能得到真实的图像.

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13、

A new design of the shared-aperture dual-band dual-polarized ( DBDP ) microstrip antenna array is introduced.

介绍一种新的共用口径双波段双极化 ( DBDP ) 微带天线阵的设计.

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14、

Screen-based user requirements wire diameter aperture, wide-length, weaving production methods.

丝网可根据用户要求丝径孔径, 宽长度, 编织方式制作.

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15、

Compared with other UV or DUV lithography lenses, this lens can meet the needs of higher numerical aperture and full use of its field.

该物镜与国内外现有的紫外或深紫外光刻物镜相比,既能满足大数值孔径的需要,又能充分利用物镜的视场。

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16、

In order to improve the performance, a new photorefractor is introduced whose source is composed of IR LED and changed aperture.

为了提高测量性能,采用近红外发光二极管作为摄影验光仪光源并改进了光阑结构。

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17、

The choice of aperture is the choice of gas source match.

而孔径的选择是与气源的选择相匹配的.

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18、

Synthetic Aperture Radar ( SAR ) is one of the most advanced inventions in the 20 th century.

合成孔径雷达 ( SAR ) 是20世纪最先进的工程发明之一.

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19、

The result reveals that the polarized incident wave becomes depolarized after passing through the aperture.

亚波长尺寸的小孔作为扫描近场光学显微镜中常用的金属膜光纤探针的简化模型.

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20、

The location mechanism of Synthesis Aperture Radar ( SAR ) scene matching is introduced.

摘要介绍了 合成孔径雷达 景象匹配的定位机理.

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