查询词典 target

The 3rd, the animal kills moment of alimental of a target to often observe the end is very long in hunt, from dog, to carry out catch kill, inside this paragraph of time, they can consider whether this target can devour, whether be their final ideal is caught reduce a goal, the answer is a target correct.

第三，动物在猎杀一个目标食物的时候往往观察目标很久，从跟踪，到实施捕杀，这段时间内，他们会考虑到这个目标是否能够吞食，是否是他们最终的理想捕杀目标，答案是目标正确。

Besides, the detection of a number of target navigation parameters can be estimated. The goal of this paper is to present a PCA electric field algorithm for calculating the target headings, size/velocity rate and port/starboard location in relation to the electric sensor axis. This PCA algorithm is based on the simultaneous analysis of the three components （longitudinal, athwartship and vertical） of the electric signature in order to compare the time evolution of their waveforms as a way to determine the target parameters.

此外，还可估算探测大量的目标航行参数：目的是提供一种主分量分析电场算法，以计算相对电场传感器轴线的目标航向、尺寸／速率、左右舷位置：此种PCA算法基于同时分析电场特性的3个分量，以便比较这些波形随时间的变化，作为确定目标参数的方法。

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。

Because constructing the fuzzy function is aim at every target of financial risk dividedly, the fuzzy function constructed has target and is a quantitative member belongs to [0,1]. Thus the constructing of function has more objective, and better reflect the unified target .

因为构造出的模糊函数是分别针对金融风险的每一个目标的，这样构造出的模糊函数带有目标性，且是[0，1]区间的一个量化数，这样函数的构造就比较有针对性，且更好地反映了目标化的统一。

Firstly, the K-means clustering algorithm was improved by using the rough set theory to determine initial cluster centroids. On the basis of K-means clustering segmentation and region connection, the edges of the target and backgrounds were extracted accurately and intactly. After boundary tracking, the potential target regions were detected according to the characteristics of the extended target.

在预分割阶段，运用粗糙集理论求取初始聚类中心，在K-均值聚类分割和区域连通的基础上，检测图像边缘并进行边界跟踪，对于获得的目标和背景团块根据扩展目标特性确定目标潜在区域。

In the purpose of system can adapt to all kinds of geography condition, mathematic model of microseismic signal generated by a target moving on the ground has been made at the end of this article. The model has been used to emulating stress signal of different target to ground, Rayleigh wave in different terrain. This is an effective means to obtain and considerate microseismic signals of moving target in various terrain.

为了系统适应不同地域环境，文中最后对目标运动引起的地震动信号进行了理论建模和仿真，建立的数学模型可以对不同目标对地面的激励函数、不同地形地质条件的地震波进行模拟仿真，这为获取不同地域环境的目标运动引起的地震动信号提供了一种有效的方法。

The recognition possibility for intra-class target dis tortion version and misrecognition possibility for inter-class target are two m ain performances of an automatic target recognition system.

对同类目标畸变不变的正确识别率与不同类目标分类误识别率是衡量一个自动目标识别系统的两个最重要性能指标。

First 46 viral sequence's PA fragments in year 2009 are analyzed. Then the siRNA target genes with strong ability of interference are selected on the basis of the secondary structure of siRNA target sequence. Our research reveals that the outbreaking H1N1 virus in 2009 is characterized by steady heredity, high sequence conservativeness, uniform siRNA target gene sequence, and high conservative structure.

对2009年的46株病毒序列的PA片段进行分析，从经过序列分析所获得的众多靶系列中，采用结构分析手段对靶序列进行筛选，获得较易干扰的靶序列及设计出相应的siRNA。

These results indiacated that tranferring macrophages combinedwith cytokines could be a new adoptive immunotherapy protocol foradvanced cancer,and rTNF used in vivo locally could induce andactivate macrophages to kill tumor cells.Monocytes when activatedunderwent a series of phenotypic and functional changes includingthe expression of IL-2R which may provide an important immunoregu-latory pathway.The presence of lectin-like molecules on thesurface of monocytes and tumor cells may bring theeffector/target cells together,thus facilitating the inductionof apoptosis in target cells by triggering the production ofcytolytic factors and the modification of target of targer cell surface anti-gens.(such as HLA-DR).

综合以上结果可以得出以下结论：转输巨噬细胞并结合细胞因子的联合应用是肿瘤继承性免疫中的又一新的、有潜力的方法；抗肿瘤细胞因子rTNF可通过激活巨噬细胞在体内抑制对其不敏感的肿瘤细胞的生长；人单核细胞在一定条件下激活后，可表达IL-2R，进而一方面增强其自身对IL-2的敏感性，另一方面在体内也具有调节T细胞功能的作用；单核细胞和肿瘤细胞上存在的凝集素类受体可促使两种细胞之间在凝集素介导下相互接近，并诱发单核细胞产生细胞毒因子，以及通过调节靶细胞上表面抗原的表达，促进诱导靶细胞的细胞凋亡。

Many new detection techniques are proposed, that include: To overcome the faults of cross-terms and short unambiguity range for the common Wigner-Ville Distribution , short-time Fourier transform and Gabor transform are applied to SAR moving target detection. To improve the detection performance of WVD in noise environment, a new technique based on the Cross-WVD is proposed. The application of fractional Fourier transform to chirp signal detection is analyzed and extended to SAR moving target detection. To eliminate the restriction of chirp-Fourier transform, a new modified definition is proposed and applied to SAR moving target detection. To detect multiple moving targets whose scattering intensities are different heavily, the CLEAN technique is combined with the above techniques and the ideal detection performance is achieved. At last, the whole dissertation is concluded.

具体的研究成果如下：针对常用的Wigner-Ville分布在多目标情况下存在交叉项，并且多普勒不模糊范围小的缺点，提出将短时Fourier变换和Gabor变换应用于SAR运动目标检测，分析了其优势所在；为进一步提高Wigner-Ville分布低信噪比条件下的信号检测能力，提出基于互Wigner-Ville分布的运动目标检测方法；分析了分数阶Fourier变换在线性调频信号检测中的应用，提出基于分数阶Fourier变换的运动目标检测算法；对离散Chirp-Fourier变换的定义进行了修正，提出修正的离散Chirp-Fourier变换，克服了限制其应用的约束条件，并用于SAR运动目标检测当中；强度相差较大的多运动目标检测历来是机载SAR技术的一个重点和难点，我们将CLEAN思想融入上述多种算法当中，良好地解决了该问题。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。