查询词典 beam channel

In receiving antenna, when a cone-channel condenser is located at the exit pupil of a Keplerian telescope, proper field of view is obtained without tracking system at the receive end, because the receiving optical power of APD will keep stable to a great extent when the incident beam deflects.

发射天线包括准直镜和扩束镜两部分，出射光束发散角压缩到1mrad；接收天线采用非成像光学设计，将接收光锥置于望远系统的出瞳位置，保证了大视场光束的准确接收，从而提高了系统抗干扰能力。

Only when the Qin and Han Dynasties in Fujian and Guangdong jagged ridge of the channel for clearance Livistona; of the Jin Dynasty in the early years of Liangshan County under the build-sui; Liang-day supervisor (502-519 years) years in the city Jing to build water-lan County; beam Datong 2006 (In 504 AD) built in Kowloon River Longxi County; 12 Suikai Huang (592 AD), Sui and security, county Longxi into the blue water.

秦汉时只在闽粤通道的盘陀岭设蒲葵关；晋代初年在梁山下建绥安县；梁天监（502-519年）年间在荆城建兰水县；梁大同六年（公元504年）在九龙江畔建置龙溪县；隋开皇十二年（公元592年），并绥安，兰水入龙溪县。

The concepts of sectorial smart antenna and edge interferences are proposed. The optimum principle of sectorial beam and two channel distribution schemes to solve the edge interference are illustrated.

提出了扇区化智能天线系统的概念和边缘干扰问题，给出了扇区波束的优化原则和解决边缘干扰问题的两种信道分配策略。

The energy is enveloped in a plasma containment sphere shaped by emitter cowls that channel the sonic beam.

引导声波束的发射罩形成等离子体禁闭球，将能量包裹在球体中。

After antenna array is meliorated, the channel capacity of multi-beam array is much better than that of the adaptive array antenna.

合理设计单元天线和阵列结构，其提高系统信道容量的能力远大于自适应智能天线。

Inner beam has the upper and lower floors, with 20 14 channel steel welded together.

内环梁有上、下两层，用20块［14槽钢焊接而成。

Then we introduce the character of the atmosphere channel , which we emphasized on the atmosphere scatter, absorption and scintillations effect on the laser beam.

接着介绍无线光传输的大气信道的特点，着重分析大气的散射、吸收和湍流效应对光传输的影响。

In this paper, north branch main channel beam-and-slab decks cable-stayed bridge of Jingzhou Yangtze River Bridge is selected as an example.

该方法能实现调索前后结构分析计算模型的统一，且能方便地考虑调索过程中各种非线性因素的影响。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。