查询词典 target

Based on scale SVD transform, a target feature extracting method is proposed to solve this difficult problem. The experimental result shows that this method has favorable stability to target matrix's SVD feature vectors, and high invariant property to displacement, rotation and scale.

为解决这一技术难题，文中提出了基于尺度奇异值变换的红外图像目标特征提取方法，实验表明该方法提取的目标矩阵的奇异值特征向量具有较好的稳定性，对图像的平移、旋转和比例变化具有良好的不变性，是一种实用的特征提取方法。

Second, the theory of scale space was used to design a new operator for target detection and tracking. Then, the property of scale invariant was analyzed and proved, and a tracking scheme based on the gradient LOG operator was proposed. Experimental results show that the gradient LOG operator is appropriate to describe small target in complex background, and the detection precision is in the level of sub-pixel. Furthermore, it is efficient and robust to noise.

然后根据尺度空间的基本理论构造了一种针对该成像模型的目标检测算子，分析并证明了该算子具有尺度不变性的优点，设计并实现了基于梯度LOG算子的小目标跟踪方案，实验结果表明：梯度LOG算子能够较好地跟踪复杂背景中的光团目标，定位精度可达亚像素级，且具有计算量小，抭嗓声能力强等优点。

Second, the theory of scale space was used to design a new operator for target detection and tracking. Then, the property of scale invariant was analyzed and proved, and a tracking scheme based on the gradient LOG operator was proposed. Experimental results show that the gradient LOG operator is appropriate to describe small target in complex background, and the detection precision is in the level of sub-pixel.

然后根据尺度空间的基本理论构造了一种针对该成像模型的目标检测算子，分析并证明了该算子具有尺度不变性的优点，设计并实现了基于梯度LOG 算子的小目标跟踪方案，实验结果表明：梯度LOG 算子能够较好地跟踪复杂背景中的光团目标，定位精度可达亚像素级，且具有计算量小，抗噪声能力强等优点。

When the target maneuvers, and if the target is taken as reference, the radar will form an inverse synthetic aperture a...

当目标作机动飞行时，以目标作固定基准，雷达等效地在空间形成流形复杂的逆合成孔径，对这种情况下成像的问题进行了系统的研究

When target maneuvers, and if we take target as reference, radar will form a complicated inverse synthetic aperture manifold equivalently in space, this chapter studies the imaging problem systematically in this situation.

当目标作机动飞行时，以目标作固定基准，雷达等效地在空间形成流形复杂的逆合成孔径，本第二章是对这种情况下成像原理进行了系统的研究。

For a start, before the seismic inversion it is essential for a reservoir to enhance the basic research of the rock geophysical characteristic analysis, horizon calibration, fidelity processing and model analysis, etc., and of the reservoir's lithologic character, physical, electrical and gas bearing property. Subsequently based on the fundamental principle of seismic inversion, a series of inversion methods and their application conditions were emphasized. Finally, taking Labureng area as a target, by comparing various inversion effects, we aimed at enhancing the precision of seismic image, increasing SN ratio and resolution, and highlighting seismic responses of the target strata, and presented reliable geophysical references for the understanding of reservoir evaluation, gas bearing modelbuilding and reservoir mechanism in HJQ area.

首先把地震反演前的基础研究工作做扎实，其中包括储层的岩性、物性、电性、含气性在内的岩石地球物理特征分析、层位标定、保真处理和模型分析等；其次从地震反演方法技术的基本原理出发，重点探讨各种反演方法的技术特点和应用条件；最后以杭锦旗地区拉不仍工区为靶区，通过对不同地震反演方法处理效果的综合对比分析，以提高地震成像精度、提高信噪比和分辨率、突出目的层段的地震响应特征为目标，为杭锦旗地区储层评价、含气模式建立，成藏规律的认识提供可信的地球物理依据。

If this calculated outgoing kappa is higher than the target the calculated value is used as a new target.

如果后一计算的卡巴值高于的目标值，则计算值用作新的目标值。

Three of them had right breast cancer and remainder had left breast cancer. For each patient, three-dimensional calculations were performed using full set Computer Tomography-slices. All calculations were done using 6MV-photon. The dose distribution of planning target volumes and critical organ were analyzed. Result: Both 3D and FIF technique provided acceptable planning target volumes coverage with 90% of the PTV receiving 100% of the prescribed dose in all cases.

本研究收集六位乳癌病人，其中包含三位左侧乳癌和三位右侧乳癌，每位病人都接受电脑断层摄影治疗规划，分别以3D和FIF两种技术做治疗计划，分析并比较其计划治疗体积和重要器官的剂量分布。

If the target rod is used,the target is set by the rodman as directed by the leveler.

如果使用目标棒，目标是由罗德曼所指示的染剂。

According to the model,a generalized likelihood ratio test rule was developed for the target identification,and then the analytical expression to calculate the target identification performance was theoretically given.

为了实现发射周期内目标的实时识别，首先建立了E脉冲激励下目标回波的二元假设检验模型，在此基础上导出了识别目标的广义似然比检测量，并从理论上给出了计算目标识别概率的解析表达式。

Warden: That's a beautiful dog, but don't bring her again.

那是条漂亮的狗，但是不要再把她带来了。

You get up in the morning – no hangover!

你第二天早上起来的时候—不会宿醉！