网站首页  英汉词典

请输入您要查询的英文单词:

 

单词 AESA
释义

AESA

英汉-汉英词典
abbr. 主动电子扫描阵列(active electronically scanned array);澳大利亚农业工程学会(Agricultural Engineering Society of Australia);美国教育研究会(American Educational Studies Association)
词组 | 习惯用语
您要查找的是不是:
  • mesa n. 台地;平顶山
  • ESSA abbr. Electronic Scanning and Stabilizing Antenna ...
  • Caesar n. 凯撒(罗马皇帝);暴君;人间的主宰;剖腹产手术
  • Aesop n. 伊索(希腊寓言作者)
AESA abbr. 主动电子扫描阵列(active electronically scanned array);澳大利亚农业工程学会(Agricultural Engineering Society of Australia);美国教育研究会(American Educational Studies Association)

网络短语:
AESA radar 扫描阵雷达
M-AESA 多功能有源电子扫描阵天线; 计划中的多功能有源电子扫描阵天线; 阵天线;
M aesa perlarius 空心花
ATM End System Address AESA ATM末端系统地址
原声例句
世界奇趣图谱

This radar however is easier to detect and jam than the AESA radars used by the West.

然而, 这种雷达比西方使用的 AESA 雷达更容易被发现和干扰。

中文百科

电子扫描数组雷达 Active electronically scanned array

(重定向自AESA)
萨克森级巡防舰上的相位数组雷达
提康德罗加级飞弹巡洋舰之类神盾舰上的神盾系统就是以被动相位数组雷达为主特征
中国解放军凯山一号飞弹的相控雷达车
以色列EL/M-2022U机腹雷达

电子扫描数组雷达英语:electronically scanned array,简称:ESA radar),是指一类通过改变天线表面数组所发出波束(wave beam)的合成方式,来改变波束扫描方向的雷达。这种设计有别于机械扫描的雷达天线,可以减少或完全避免使用机械马达驱动雷达天线便可达到涵盖较大侦测范围的目的。当然,这并非表示电子扫描雷达就不可以采用机械转动的方式来增大扫描范围,事实上采用机械转动电子扫描雷达基座的方式可以进一步增大雷达波所能覆盖的范围,比如俄国现代级、英国45型等防空驱逐舰都装备或将装备双面电子扫描数组雷达(而不是如美国神盾舰上的四面阵),这就使它们不得不采用旋转阵面的方式来覆盖360度圆周,是「电子扫描」+「机械转动」结合的典型实例。

英语百科

Active electronically scanned array 电子扫描阵列雷达

(重定向自AESA)
A Euroradar CAPTOR AESA radar on board a Eurofighter Typhoon
Close up of the Euroradar CAPTOR on board a Eurofighter Typhoon
Type 997 Artisan 3D on the Type 23 frigate
EL/M-2248 MF-STAR on board a Kolkata-class destroyer

An active electronically scanned array (AESA), also known as active phased array radar (APAR), is a type of phased array radar whose transmitter and receiver (transceiver) functions are composed of numerous small solid-state transmit/receive modules (TRMs). AESA radars aim their "beam" by emitting separate radio waves from each module that interfere constructively at certain angles in front of the antenna. Advanced AESA radars can improve on the older passive electronically scanned array (PESA) radars by spreading their signal emissions out across a band of frequencies, which makes it very difficult to detect over background noise, allowing ships and aircraft to broadcast powerful radar signals while still remaining stealthy.

随便看

 

英汉网英语在线翻译词典收录了3779314条英语词汇在线翻译词条,基本涵盖了全部常用英语词汇的中英文双语翻译及用法,是英语学习的有利工具。

 

Copyright © 2004-2024 encnc.com All Rights Reserved
更新时间:2025/6/22 14:32:50