查询词典 radar

The resolution coupling suggests the joint design of waveform, antenna and receiver in the nonsinusoidal radar systrem.

距离、速度和角度的三维耦合关系导出了非正弦波雷达信号波形、天线和接收机联合设计的新思路。

And the nonsinusoidal radar signal's space-temporal correlation means, that from one side there is change of signal form depending on radiation or receiving directions, from other side, there is the change of antenna directivity characteristics depending on signal form.

而天线的时空相干性又表明，非正弦波信号的空间位置影响其时域波形，反过来，距离分辨力也影响角度分辨力。

From the angle of a beam-forming, the cross- range focusing principle of the synthetic-aperture radar based on nonsinusoidal waves is studied. The expressions of antenna pattern for both rectangular signa l and Gaussian signal are presented. Compared with the conventional narrow bandw idth SAR whose cross-rang resolution is determined by the carrier frequency, th e cross-range resolution of the nonsinusoidal SAR is affected by the signal ban dwidth.

为研究非正弦波SAR的方位向分辨力，从波束形成的角度分析了非正弦波SAR的方位向聚焦原理，导出了基于矩形脉冲和高斯脉冲的合成孔径天线阵列方向图表达式，并与常规窄带SAR进行比较，指出影响非正弦波SAR方位向分辨力的主要因素为合成孔径长度和信号带宽，而与信号载频无关。

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指标王证券分析系统是由财富文化传播中心研发而成，内集成2380个优秀指标，指标操作性强，你不需要高深的股票理论，就可以正确操作，真正是傻瓜式炒股软件；在软件的炒股工具栏内，有各类股票计算器、实时外汇宝、网络电视、在线P2电视、股行天下资讯、每日报刊杂志、电子画图笔、抓图工具、机构研究报告、资金雷达、大单查询、超赢排行等功能，且此帮助视频内有祥细的软件操作视频帮助和十个扩展功能，用户可以根据自己的需求把自己喜欢的软件集成到本软件中；而在软件的分时图中，我们又为你集成了该股重要的关联网站，用户只要进入某股票的分时图中，在左下方就有超赢图片、超赢排行、全赢数据、超赢数据、L2数据、DDE指标、BBD指标、全景资讯、统一股市、个股新闻等该股关联网站，用户只要点击就可以查看该股的相关信息；而在软件的&服务&选项卡中还集成了几百个知名的财经网站和视频网站，可供用户查询财经资讯、超赢数据、基金行情、财经视频、新闻资讯等财经相关内容。

At present, our products have anti-theft device category, reversing radar categories, peachwood categories, carpet type, platinum pieces of category, type of explosion-proof membrane, surrounded by large categories, category fender, bumper type, care category, type and internal decoration such as decoration.

目前，我公司产品有防盗器类、倒车雷达类、桃木类、地毯类、白金件类、防爆膜类、大包围类、挡泥板类、保险杠类、护理品类、外装饰类和内装饰类等。

Moreover, combining with dynamic trajectory simulation of different kinds of aircraft with atmosphere perturbance models, a software package of radar signatures prediction and analysis is presented.

二、分析了活动部件周期调制特征产生机理和频谱结构特点，并通过建立通用仿真模型描述直升机旋翼，螺旋桨以及喷气引擎压缩叶片的动态电磁散射现象；针对活动部件周期调制，阐述了自相关特征提取和子波包特征空间变换的基本原理；并利用模糊模式比较完成基于空中目标活动部件周期调制特征的分类识别试验，给出识别结果。

In this paper the experimental planimetric accuracy through performing geometric processing of three strips of Synthetic Aperture Side-looking Radar imagery is reported,and the prospects for mapping medium and small scale maps are analyzed.

本文是通过三条合成孔径侧视雷达航带影象的几何处理，检验它的平面加密精度，分析其今后测制中小比例尺地图的前景。

The Critical Design Review focused on the design and integration details associated with the radar's operation on an unmanned aerial system and concluded that the TRACER podded design is acceptable for use on the Predator B platform.

此次关键设计评测集中在雷达操作设计和综合细节，包括雷达在无人天线系统以及其在掠夺者-B平台上的应用设计，评测是由美军通信电子研究发展和工程中心情报和信息作战理事会操作完成的。

In this paper an automatic multiresolution classification method is proposed to classify polarimetric synthetic aperture radar image.

摘要本文提出一种对极化合成孔径雷达图像进行自动多分辨率分类的方法。

The topic of scattering matrix measurement of moving targets is very important in such fields as polarimetric radar and target recognition.

摘要运动目标极化特性的测量是极化雷达探测与目标识别等领域非常关心的基础性问题。

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。