radar 四级六级考研

The girls will man the radar till we get back.

我们回来之前姑娘们在操作。

Enemy ships were detected on the radar.

敌舰的像已显现在上。

The watchtower followed the aircraft by radar.

了望塔通过追踪这架飞机的飞行。

There is a radar net in our area.

在我们那个地区有一个网。

This radar is operated by an electronic pulse.

这台电子脉冲来操作。

Its radar equipment was powered by a nuclear reactor.

其装置由一核反应堆提供动力。

They are following the flight of an aircraft by radar.

他们正在用追踪一架飞机的飞行。

The radar beam can track a number of targets almost simultaneously.

波几乎可以时追着多个目标。

The pilot homed in by means of radar, despite the poor visibility.

尽管能见度极差, 飞机由导航返航了。

The purpose of this paper is to study the radar absorbing effect of foamglass with graphite as vesicant.

本文的目的是研究石墨作发泡剂的泡沫玻璃的微波吸收特性。

Only the capture of an Enigma machine and the invention of radar could spur a fightback.

及后盟军成功破解德军电报机密码，并发明反击，才有所转机。

Using Doppler radar data, an algorithm for precipitation nowcast is set up by applying an improved cross-correlation extrapolation method (COTREC).

摘要利用多普勒资料，采用一种改进后的交叉相关法(COTREC)建立了一种降水临近预报方法。

A three dimension polarization filtering algorithm is put forward to suppress th e skywave interference in HF ground wave radar.

以高频地波为背景，提出了三维极化滤波方法，此方法能够滤除二维极化滤波不能抑制的干扰，扩大极化滤波的干扰抑制范围。

In the electronic reconnaissance area, the conventional detection method of the radar pulse signal is based on nonmatched envelope detection.

摘要在电子侦察领域中，传统的脉冲信号检测是基于包络检波的非匹配检测。

In order to obtain high range resolution, the Chirp signal is used as subpulse to form stepped frequency modulated radar signal.

摘要为了获得高距离分辨率，将线性调频信号作为子脉冲构成调频步进信号。

Electronic attack can deceive or desensitize enemy battle commanders through insertion of spurious radar tracks or blot out entire avenues of approach.

电子攻击能够通过伪造的踪迹或者遮盖整个接近路径，从而欺骗或者麻痹敌方战场指挥官。

The plane with 228 people on board disappeared from redar's screen radar screens after in countering interbulance encountering turbulence and reporting electrical problems.

这架载有228名乘客的航班是在遭遇到强气旋并报告发生供电力方面的问题后从屏幕上消失的。

Multi radar signal and AIS data can be merging displayed and integrated display radar signal, video map, hydrographical meteorology data and database file of the ship.

可将多信号、AIS数据进行融合显示，并综合显示信号、视频地图、水文气象数据及船舶档案数据。

The ships are fitted with C- and S-band monopulse tracking radar, Cinetheodolite laser ranging and tracking system, velocimetry system, and onboard computers to track and control the spacecraft.

测量船配备有C-和 S-波段的单脉冲跟踪，激光测距经纬仪和跟踪系统，测速系统和舰载计算机去跟踪和控制宇宙飞船。