Enemy ships were detected on the radar.

敌舰影像已显现在雷达上。

This radar is operated by an electronic pulse.

这台雷达依靠电子脉冲来操作。

There is a radar net in our area.

在我们那个地区有一个雷达网。

They are following the flight of an aircraft by radar.

他们正在用雷达追踪一架飞机飞行。

The watchtower followed the aircraft by radar.

瞭望塔通过雷达追踪这架飞机。

The girls will man the radar till we get back.

我们回来之前姑娘们在操作雷达。

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

雷达波几乎可以同时追着多个标。

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

尽管能见度极差, 飞机由雷达导航返航了。

Its radar equipment was powered by a nuclear reactor.

其雷达装置由一核反供动力。

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码，并发明雷达反击，才有所转机。

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

本文研究石墨作发泡剂泡沫玻璃微波吸收特性。

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

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

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，传统雷达脉冲信号检测基于包络检波非匹配检测。

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

以高频地波雷达为背景，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干扰，扩大极化滤波干扰抑制范围。

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雷达信号。

Geological radar is a non-destructive test instrument that detect the underground objects by the quality of discontinuousness of the underground medium.

地质雷达一种通过利用地下介质不连续性来探测地下标无损检测工具。

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雷达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名乘客航班在遭遇到强气旋并报告发生供电力方面问题后从雷达屏幕上消失。

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.

可将多雷达信号、AIS数据进行融合显示，并综合显示雷达信号、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-波段单脉冲跟踪雷达，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。