Based on the complex ray method and source expansion with a set of Gaussian beams, a new method for analysis and calculation of radar cross-section (RCS) of a complex target is presented.
本文根据复射线分析和场的高斯波束展开,提出了一种计算复杂目标电磁散射特性的简便方法。
In this paper, the ground wave scattering from a complex target is investigated by combining the FDTD technique of solving the semi-space scattering problem with the theory of ground wave propagation.
本文把求解半空间散射问题的FDTD技术与地波传播理论相结合,研究任意复杂目标的地波散射特性。
It takes a simple or complex field on the source side and moves it unchanged from the source to the target.
它在源端有一个简单或复杂的字段,然后不加修改地将该字段从源移动到目标。
Using queries as the target of a data change operation allows deletion or updates of rows determined by complex SQL including ORDER by.
通过使用作为数据更改操作的目标的查询,可以删除或更新由复杂的SQL(包括ORDERBY)确定的行。
The idea then, is to design “sensor systems that can enter living cells and complex environments and remain in an ‘off’ state until exposure to a target leads to a [signal].
根据方案,将如此设计:敏感元件系统能记录活细胞并在复杂环境下保持关闭状态,直到接收到目标型号。
In general, a request made by an integration interface to a target application is fairly complex and can take seconds to process.
通常,集成接口向目标应用程序发出的请求相当复杂,可能需要数秒进行处理。
Move is the most basic refinement -- it takes a simple or complex field on the source side and move it unchanged from the source to the target.
Move是最为基本的映射——它获取源上的简单或复杂字段,并将其不加更改从源移动到目标。
Although many of the fields from the source message directly map into fields in the target message, a few of them require more complex manipulation.
尽管源消息的许多字段可以直接映射到目标消息中的字段,但是有些字段需要更复杂的操作。
In cases in which a target MBean attribute is a nonstandard complex type, you need to ensure that the class defining that type is in your collector's classpath.
对于目标MBean属性是非标准复杂类型的情况,您需要确保定义该类型的类在收集器的类路径中。
The mature miRNA is incorporated into an RNA-induced silencing complex that binds to a target messenger RNA (mRNA).
成熟microRNA与目标mRNA结合,形成了RNA诱导的基因沉默复合体。
To improve the accuracy of tracking the complex maneuver target in cluttered environment, a new state estimation algorithm based on the expectation maximization (EM) algorithm is presented.
为了提高在杂波环境下跟踪强机动目标的精度,提出了一种新的基于期望极大化(EM)算法的机动目标状态估计方法。
"I bet... we're going to be able to - in many different ways - target this trimolecular complex, and hopefully develop a very specific and safe therapy," he said.
他说:“我打赌……我们会用许多不同的方式——瞄准这个分子复合物,并希望建立一个非常具体和安全的治疗。”
So it is significant for improving performance of multilevel weapon system to study multi-sensor target recognition in a complex interference environment.
为了提高多级武器系统的作战性能,研究复杂干扰环境下的多传感器目标识别问题具有极其重要的意义。
Small target detection in complex background is considered as a problem of finding the special patterns in similar patterns.
将复杂背景下的小目标检测问题看作是在大量相似模式中寻找某个特殊模式的模式识别问题。
This paper introduces the application and design methods of a large scale Complex Programable Logic Device (CPLD) in radar signal processing system moving target detection circuit.
介绍了一种大规模复杂可编程逻辑器件(CPLD)在雷达信号处理系统中动目标检测电路的应用及具体实现方法。
Angular glint is a characteristic of Complex target, which can reflect the target structure. Researching of target angular glint can help suppressing it and classifying target.
复杂目标角闪烁是目标的固有特性,反映了目标的结构信息,对它的研究有助于角闪烁的抑制和目标识别。
The experimental results show that this method can detect small IR target such as warship in a complex sea background.
实验结果表明,该方法能检测复杂海面背景中的舰船红外小目标。
In order to track a target in space and scale in a complex background, a target tracking algorithm based on the nonparametric clustering and multi-scale images is presented.
为了实现复杂背景下的目标空间定位和尺度定位,提出了一种基于非参数聚类和多尺度图像的目标跟踪算法。
A method to solve the scattering acoustic field of complex target was proposed for the near-field scattering characteristics of an underwater target in high-frequency.
针对水下目标高频近场散射特性,提出了一种求解水下复杂目标散射声场的方法。
It is hard to detect a small target in a complex background using a conventional algorithm, especially when IR target has few pixels, many fake targets will be detected.
在复杂红外背景中如果红外点目标所占的像素少,通常的检测方法就很难将目标检测出来,且往往会含有较多假目标。
For the infrared dim small target detection in complex cloud background of IRST, a robust algorithm of low false alarm is proposed.
针对红外搜索跟踪系统对复杂云层背景条件下红外弱小目标检测问题,提出了一种低虚警率的弱小目标稳健检测算法。
For improving targets location accuracy and fully utilizing redundant information in complex bistatic radar systems, a new target location algorithm based on Gauss-Newton iterative is proposed.
为了提高复合双基地雷达系统对目标的定位精度,以及充分利用冗余信息,提出了基于高斯·牛顿算法的空间目标定位算法。
For the precise location of laser spot center on the complex target, a method based on residual pruning with geometric feature constraints is proposed.
为满足复杂靶标背景下激光光斑形心的高精度定位要求,提出了一种基于几何特征约束残差修剪的定位方法。
It is a difficult for the small target detection in complex scenes.
复杂场景中小目标的检测是一个难点。
During tracking a small target, it is important that how to take the target from complex background.
在小目标跟踪过程中,如何把目标从复杂背景中提取出来是实现跟踪的前题。
A target extraction algorithm based on the background segmentation technology was proposed in this paper for the water surface moving targets in the complex background.
基于背景分割技术提出了一种复杂背景下水面运动目标提取算法。
The experiment results showed that this method is effective for detecting the small infrared target under a complex scene in real time.
实验结果表明,该算法对实时检测在复杂背景的红外图像中运动的弱小目标具有很好的效果。
The detection, recognition and tracing of infrared small target under complex backgrounds is a very important and challenging task in the application of modern military affairs.
复杂背景下红外图像小目标的探测、识别和跟踪是现代军事应用研究领域中一个至关重要且极具挑战性的热点课题。
Whether the object of crime is complex one or simple one depends on the social interests of the social relationship reflected by the target changed by requisites to constitute a crime.
犯罪客体是复杂客体还是简单客体,关键是看犯罪构成要件的行为所侵害的对象反映出什么社会关系或社会利益。
Because there is speckle noise in SAR image and the background clutter of water is usually very complex, weak target detection is a big challenge for conventional methods.
SAR图像存在相干噪声以及水面背景杂波的复杂性,传统方法对于弱目标检测存在困难。
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