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雷达

与 雷达 相关的网络例句 [注:此内容来源于网络,仅供参考]

The demands of modern technique have a growing pressure for improvement of radome as a protection in front of antenna, which include the aerodynamical qualities, structural requirements of the airframe and excellent electromagnetic characters.

摘要——现代技术对于作为防护层安装在雷达天线前面的雷达罩提出了很高的要求,除机械特性和气动特性以外,还必须具有良好的电气性能。

Tethered aerostat borne radar system is an integrated information system,in which the tethered aerostat is the carrying platform and the radar is the mission system.

系留气球载雷达系统是以系留气球为搭载平台,以雷达为任务系统的一种综合信息系统,在军事和民用领域有着广阔的应用前景。

But, in the natural and artificial signal, a lot of signal phases don\'tvary linearly with time, for example, we usually use chirp signal in the radar technology,frequency step signal, linear modulation component of the ground echo in the SARtechnology, linear modulation component of the moving target echo, linear modulationcomponent while the airborn radar detecting the moving target, etc.

在自然界和人工信号中,许多信号的相位变化并不是随时间一次方变化,如雷达技术中常用的线性调频信号,频率步进信号,另外,SAR 技术中,地面回波所含有的线性调频分量,ISAR技术中,运动目标的回波所含有的线性调频分量,机载雷达探测运动目标时的线性调频分量,等等;傅里叶变换对此类信号分析所得的结果是信号在不同频率点上的能量分布,即信号在基函数上的投影。

By definition,for targets located in a spherically stratified lower atmosphere or ionosphere,this paper derives the residual error models[Formulae (14) and (20);(24) and (27);(57) and (59),(63) and (65)] of elevation angle refraction errors,range refraction errors and range rate refraction errors corresponding to monopulse radar and trilateration radar.

提要 本文从定义出发,推导出目标在球面分层低层大气或电离层内仰角折射误差、距离折射误差和相应于单脉冲雷达与三站雷达的距离变化率折射误差的残差模型[式(14)与(20);(24)与(27);(57)与(59),(63)与(65)]。

Simulation of synthetic aperture radar is an important means for studying the imaging radar.

进行合成孔径雷达成像仿真是研究成像雷达的一个重要手段。

In this paper,a model frame of the simulation system is given,a further explanation is made for simulation model of terminal guidance radar from the point of view of simulation reliability and the application of ECM technology in terminal guidance radar of antiship missile is introduced.

文中给出了该仿真系统的模型框架,从仿真可信度的角度对其中的末制导雷达仿真模型作了进一步的说明,并介绍了该仿真系统在针对反舰导弹末制导雷达的电子干扰技术研究方面的应用。

IMO has passed STCW78/95 and emphasized eligibility evaluation and regarded training on Radar and ARPA as compulsion speciality training item that every seaman must attend. It called for making marine training and eligibility evaluation in simulator that IMO approbatory, so researching on Radar simulator is important.

为此国际海事组织通过了《STCW78/95公约》,特别强调了海员的"适任性评估"的作用与要求,将雷达与ARPA培训作为船舶驾驶员必须参加的强制性专业培训项目,同时要求应用IMO认可的模拟器进行海运培训和适任性评估,因而雷达模拟器的研究具有重要的意义。

The desired signal in the auxiliary antennas may cause angle measurement error by using adaptive sidelobe cancellation in tracking radar. If not effectively encountered, it prevents successful radar target tracking.

跟踪雷达应用自适应旁瓣对消时辅助天线中的期望信号会引起测角误差,若不采取应对措施,雷达无法对目标进行有效跟踪。

Several typical tethered balloon-borne surveillanceradar systems on the ground-base and ship-ased are listed in the table.

包括采用各种升空平台的空中预警系统和远程战场监视雷达系统,气球载雷达便是其中的一种。

Two different methods based on ship rectangular frame and inertial frame are proposed separately according to consistence of radar base angle and beam angle.

本文首先研究了舰载两轴雷达系统抑制船摇的方案,对雷达天线转角和波束转角一致和不一致的情况,分别提出了基于甲板坐标系稳定和基于大地坐标系稳定的不同方法。

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我尽力帮你找人帮忙。

At first I only know bruck is the idol of American younglings, afterwards I returned back to Taiwan ,even in Beijing last year ,I saw her poster everywhere, I was so surprised at her charm.

起初我只晓得布鲁克雷德丝是美国少男少女崇拜的偶像,后来回台湾,甚至去年在北京,居然也四处看见她的海报,才惊讶她的魅力之大。

Ah may dee:You are chinese living in a democratic country.

你是居住在民主国家的中国人吧。