查询词典 shape target

Aiming at the characteristic of degree of freedom in multiple input multiple output radars, a scheme for multi-target identification and localization using a monostatic MIMO radar system with L-shape arrays is proposed, as well as the MIMO-Capon method based on Capon waveformer is presented.

针对多输入多输出(multiple input multiple output， MIMO)雷达的自由度特性，提出了一种单基地L型阵列MIMO雷达的空间多目标分辨和定位方案和基于Capon波束形成器的MIMO-Capon二维空间谱估计方法。

In the precision searching process,based on the geometry conformability degree principle,according to the shape characteristic,find out the target of minimum.

在粗搜索阶段，基于距离相似度准则，根据位置特征，预测下一时刻目标可能出现的区域；在精搜索阶段，基于几何相似度准则，根据形状特征，找出粗搜索区域内形变最小的目标跟踪。

Besides, because of diversity of biochip image, the shape of some spots can not be uniformly circular. Solved the problem of coarse segmentation and modification of deflexion angle, a method of tracking local spots profile—Template snake model has been proposed in the paper, it can recognize the target from roughness to precision step by step, so to guarantee the precision and efficiency of segmentation.

此外，由于生物芯片多样性特点，某些芯片样点外形并不一定是简单的孔径问题，本文在比较彻底地解决了样点粗分割及偏转角校正后，提出了局部区域的样点轮廓跟踪方法——Template snake模型，实现由粗到精的宏状多目标分层识别策略，既保证了样点分割的正确率，又加快了执行速度。

Dolphin echolocation is on target to judge the proximity and direction, location, shape and even the nature of objects.

海豚是靠回声定位来判断目标的远近、方向、位置、形状、甚至物体的性质。

The scattering by different shape and different media such as dielectric chiral or conduct circular cylider or elliptic cylinder are calculated and RCS curves are maped. The relation between the optimal polarization of the chiral elliptic cylinder and incident angle are maped. In accordance with the map, the information which is useful for radar target identification can be obtained.

对不同形状及参数的导体圆柱、椭圆柱，一般介质圆柱、椭圆柱，旋波媒质椭圆柱的散射特性进行了计算，给出了其RCS的变化曲线，并对极化散射矩阵进行了分析给出了旋波媒质椭柱最优极化的分布图，指出了其可提取用于目标识别的极化信息。

The exploration company used a side scan sonar to look for objects matching the shape and size of the Grunion. In August 2006, the company located a possible target a mile below the surface. In August 2007, the company used a remote-controlled submersible to obtain high definition video and photos.

探险公司使用一个侧面扫描声纳来寻找与Grunion的形状和大小相匹配的物体。2006年8月时，该公司在海面以下1英里的地方发现了一个可疑的目标。2007年8月，公司让一个遥控装置潜入水中以便获取高清晰度的录像和照片。

This paper proves that Ordered Statistic with Greatest Option CFAR and Ordered Statistic with Smallest Option CFAR are also of CFAR under homeomorphic independent K-distributed clutter background when the shape parameter is known. The performance of two detectors is analyzed against uniform clutter background, clutter edges and multiple target environments.

摘要该文证明了形状因子已知条件下OSGO-CFAR和OSSO-CFAR检测器在均匀统计独立的K分布杂波背景下具有恒虚警性能，分析了两种检测器在均匀杂波背景、杂波边缘和存在强干扰目标情况下的检测性能。

Multi-slice target CT can distinctly display the shape of the edge and interior of the SPN,such as "sign of lobulation","rabbit-ear sign","vacuole sign","node-accumulating sign",which are useful to diagnose the lung cancer.

CT增强扫描病灶强化程度二者无显著区别，只能作为诊断参考，不能作为定性依据；CT薄层靶扫描能清晰反映病变边缘、内部结构，如分叶征、胸膜凹陷征、空泡征、小结节堆积征等，有助于肺癌的诊断。

The feature vector not only describes target regional shape but also characterizes gray statistical distribution of local target region in SAR images.

该特征向量体现了SAR图像区域目标的形状特征和区域的灰度信息。

To overcome target expansion, shape transformation and occas ional frame lost due to the missile phase motion of television guided bombs , a modified weightˉrelated function, t arget tracking strategy, template updating and modifiˉ cation, and tracking point positioning method as well as a predict ion method to solve the frame loss of target were proˉ posed. Based on this, an improved weightˉrelated matching tracking a lgorithm was realized.

针对电视制导炸弹中弹目相对运动变化而导致的目标尺度变化、几何形变以及随机因素造成的暂短丢帧现象，文中对相关测度函数进行了基于弹-目距离的中心加权修正，提出了相应的模板更新与修正策略、基于线性预测的目标位置的预测方法、跟踪点的定位方法等，在此基础上，实现了基于加权相关的图像匹配跟踪算法。

Methods: Five patients with parkinsonism or dystonia were assigned to general anesthesia using an modified endotracheal tube.

本实验依照人体实验之相关规定进行，五位患有帕金森氏症或肌张力异常的病人接受神经立体定位手术。

If you can benefit from this book, it is our honour.

如果您能从本书获益，这将是我们的荣幸。