查询词典 radar

This paper analyzes the principle of chief anti jamming technologies of frequency agile radar FAR frequency diversity radar FDR and self adapt frequency agile radar SAFAR in frequency domain studies the effectiveness measurement methods of these technologies brings forward the self adapt improvement factor which measuring the anti jamming effectiveness of self adapted frequency agile radar .

分析了频率捷变，频率分集，自适应频率捷变等雷达在频域的主要抗干扰技术原理，研究了这些技术的效果度量方法，提出了度量自适应频率捷变雷达抗干扰效果的自适应改善因子。

Establishing radar system net is a trend of radar development, enhancing the ability of communication between radar in existence and computer is the base for radar system net.

雷达系统组网是雷达发展的一个方向，增强现有雷达和计算机的通信能力是雷达组网的基础。

In PC assisting, it can real-time generate radar video signal which display on real radar screen. It adopts the special arithmetic that generates a point by intersecting of two beelines. There isn t defect such as generating the radar video by table look-at bitmap. The radar image is more verisimilitude, and it is better to simulate sea echo suppression, anti clutter rain, etc.

它改变了以往采用位图形式查表实时生成雷达视频信号算法的缺点，采用从矢量化的海图数据中通过直线求交的算法实时生成雷达视频信号，这样在雷达显示的图像更加逼真，特别是在近量程，能真正提高雷达距离分辨力，不会出现马赛克现象，而且对于模拟诸如海浪抑制、雨雪干扰等更为方便。

We employ a computer to simulate the characteristics of objects and circumstance, and calculate radar video echo date, then through computer inter-face circuit and the relative circuit and D/A conveners, the echoes are outputted to a radar signal processor. The video signal simulator can be use to debug a terminal homing radar system instead of the former part of radar.

该模拟器通过计算机模拟目标和环境特性，产生雷达视频回波信号数据文件，然后通过微机接口电路、回放电路和D／A变换输出该视频信号，接至雷达信号处理机；它可以代替雷达前端对末制导系统进行调试；实验结果验证了该模拟器的有效性。

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The main techniques of this system are as follows: Simulated digital map of field surveillance radar, aircraft objects display and graphic operations Simulated mathematical models of ground motions of the aircrafts Simulated realization of all kinds of airport control orders Processing of aircrafts'taxiways selection Tight coupling of airport and approach control Designs of training courses about airport control based on the standard of International Civil Aviation Organization This paper introduces the design and realization of simulation system of the field surveillance radar in detail, including five parts: The first part generally introduces Civil Aviation Air Traffic Control and simulated training of air control radar, and then analyzes the simulation requirements of the field surveillance radar, finally, presents works of the author in this simulation system items.

机场场面监视雷达仿真系统是快速高效并且低成本培养和提高塔台管制人员特别是管制学员的塔台管制技能的重要工具和设备，该系统具有以下技术要点：机场场面监视雷达仿真数字地图和航空器目标的显示以及图形操作航空器地面运动的仿真数学模型各种机场管制命令的仿真实现地面航空器滑行路线选择处理机场管制与进近管制的紧密结合按照国际民航组织标准进行设计机场管制训练课程本文详细地介绍了场面监视雷达仿真系统的设计和实现，一共分五个部分：第一部分概括介绍民航空中交通管制和空管雷达仿真训练，分析机场场面监视雷达仿真的需求情况以及作者在该仿真系统项目中所做的工作。

When Daniel Powter hunkered down in a Los Angeles recording studio with producer Linda Perry earlier this year to make his new album Under the Radar, he had no idea what kind of music would result.

当 Daniel Powter 和制作人 Linda Perry 于今年的早些时候在洛杉矶的录音室里录制他的新专辑 Under The Radar 时，他完全不知道自己将会制作出什么形式的音乐来。

When Daniel Powter hunkered down in a Los Angeles recording studio with producer Linda Perry earlier this year to make his new album Under the Radar, he had no idea what kind of music would result.

Daniel Powter 和制作人 Linda Perry 于今年的早些时候在洛杉矶的录音室里录制他的新专辑 Under The Radar 时，他完全不知道自己将会制作出什么形式的音乐来。

On Under the Radar, she pulls the performance of a lifetime out of Powter."Linda was like a therapist," Powter recalls.

在 Under the Radar 这张专辑中，她挖掘出了 Powter 的全部潜力，让他完成了平生仅见的完美演出，& Linda 就如同一名治愈系的专家（^_^原文为 therapist ，根据下文我就这么翻译了。。。），&

This method first jitters chirp rate polarity of LFM signal transmitted by the radar in slow-time domain,then does match-filters for the jamming signals hidden in the radar echoes,since jamming is more powerful than radar echo,the next process of limiting will lower the amplitude of jamming greatly,after limiting process,limited echoes are inversely match-filtered,so jamming and real radar echo are all back to the original time domain,then the next normal imaging process can be implemented which will also provide the real radar echo more gain than jamming,so SJR(Signal-to-Jamming Ratio) is further enhanced.

该方法首先在慢时间域捷变雷达发射信号的调频斜率极性，其次在接收脉冲后首先对转发的干扰信号进行匹配、限幅，然后在逆滤波之后正常成像。

This is not an ordinary box, which is used as a background picture of the dialog box, very pretty.

详细说明：这可不是一个一般的对话框，它是用图片作为背景的对话框，非常好看。

Conceal me what I am,and be my aid for such disguise as haply shall become the form of my intent.

遮掩我的身份，帮助我，我的面具将成为我的目的。