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- wideband Cassegrain antenna feed system 宽带卡塞格伦天线馈电系统
- Antennal Feed System 天线馈电系统
- antenna feed system 天线馈电系统
- This paper presents a high power feed system for 7.3 m Cassegrain antenna. 介绍用于?7.;3 m Cassegrain天线的高功率馈源喇叭的设计。
- The pollution-discharge fee system. 排污收费制度。
- J.Uher.Waveguide components for antenna feed systems:theory and CAD,Artech House,1993 李嗣范.;微波元件原理与设计
- 2 J Uher.Waveguide Components for Antenna Feed Systems:Theory and CAD .Artech House,p231.1993 1吴万春,梁昌洪.;微波网络及其应用
- Gas generator rocket can pressurize a high-pressure feed system. 燃气发生器能使高压输送系统增压。
- The design of SBH antenna is described in detail from two facets: feed system and horn section. SBH型超宽带天线结合了这两种天线的特点,很好地满足了紧缩场馈源的要求。
- At no time can the feed system destabilize an otherwise stable. 供应系统决不会使一个在其它状态下稳定的燃烧过程变得不稳定。
- A high quality 2.5m Cassegrain antenna in a feed system of the conical corrugated horn has been designed by using a modification method of the special shaping of both mainreflector and subreflector. 本文报道了圆锥波纹喇叭作为馈源系统的2.;5m卡赛格伦天线的设计;修正其主、副面的形状;使该天线获得高效率(71
- Some form of resonator may be used to dissipate energy in an oscillating feed system. 某些形式的谐振器可用来耗散供应系统内的振荡能量。
- Only certain discrete frequencies are left without benefit of external stabilization due to the feed system. 只有某些个别的频率没有利用供应系统的外部稳定作用。
- The feed system of a rocket engine may be the cause of undesirable oscillations. 火箭供应系统可能是有害的振源。
- The slurry feed system offers the only continuous feed possibility of the three methods investigated. 煤粉浆加料装置是所研究的这三种加料方法中唯一可能实现连续加料的一种方法。
- The dynamics of the feed system are also an integral part of feed system coupled modes. 供应系统动力特性也是供应系统耦合振型的主要部分。
- Electrically Steerable Antenna Feed Techniques 电控天线馈电技术
- Officials have suggested the fee system be changed so students are charged according to the costs of their course. 政府建议实施大学分科收费,根据各科成本来设定学费。
- The combustion process cannot couple to the feed system unless a flow oscillation exists. 不存在流动振荡,燃烧过程就不可能与供应系统耦合。
- At no time can the feed system destabilize an otherwise stable combustion process. 供应系统决不会使一个在其它状态下稳定的燃烧过程变得不稳定。