1) Frozen orbit
冻结轨道
1.
The Frozen Orbit of the Orbiter of the Major Planet (or Moon);
关于大行星(或月球)轨道器的冻结轨道
2.
Based on the special requirements of frozen orbit satellite, this thesis studied the characteristics of low-medium altitude satellite, discussed the method of orbit element determination, and analyzed detailed implementation method of frozen, covering, regressive and descending time in orbit design.
基于冻结轨道卫星对轨道的特殊要求，本文研究了中、低轨道太阳同步卫星的轨道特性，讨论并分析了轨道设计中轨道六要素确定的方法，以及冻结、覆盖、回归以及降交点地方时等问题在轨道设计中的具体实现。
2) frozen orbit
[天]冻结轨道
3) quenching of orbital angular momentum
轨道角动量的冻结
4) track structure
轨道结构
1.
Specifications on railway track structure for speed-raising of the existing railway line;
铁路既有线提速对轨道结构的要求
2.
The authors hope that this paper can provide a test support for future track structure design.
在地铁运营期间,通过对采用浮置板、弹性支承块及弹性扣件轨道的轨道结构和隧道壁的振动测试,在时域和频域内,分析了不同地铁轨道结构的减振效果,为今后地铁轨道结构设计选型提供试验依据。
5) railway track structure
轨道结构
1.
Research on design of reducing vibration and decreasing noise non-ballast railway track structure;
减振降噪型无碴轨道结构设计的研究
2.
Secondly, in the case of periodic railway track structure, the general dynamical response in frequency domai.
为研究列车振动在地表的传播规律,推导了轨道结构在移动荷载作用下动力响应的解析解形式。
3.
Based on the analysis to the characteristic of urban mass transit and the ballast & non ballast railway track structure,this paper puts forward that the non ballast railway track structure should be adopted firstly in the urban mass transit,and the design & usage of reducing vibration & decreasing noise railway track structure are proposed and described in detail.
本文根据城市轨道交通的特点 ,通过分析有碴轨道与无碴轨道结构的特点 ,提出在城市轨道交通中 ,应优先采用无碴轨道结构类型及其设计原则。
6) rail structure
轨道结构
1.
Starting from an analysis of the noise resource of urban rail transit and its mechanism, this paper introduces a block diagram of reducing noise and vibration, and holds that measures of reducing noise and vibration be presented in rail structure in the early stage.
从城市轨道交通噪声源和产生机理入手,介绍了城市轨道交通减振降噪网络图,提出了轨道结构方面减振降噪的措施。
2.
After an analysis of the characteristics of urban mass transit based on Shanghai Pearl Line, the author argues that the selection of rail structure shall meet the fundamental requirements of the elevated urban mass transit, such as adopting 60 kg/m rail, Continuous Welded Rail, new - type WJ - 2 Rail Fastening as well as concrete support with concrete block structure, etc.
通过对城市轨道交通运营特征的分析,以上海市轨道交通明珠线为例,提出了高架线轨道结构的基本要求及相适应的型式:采用60kg/m钢轨、无缝线路、新型WJ-2型扣件,轨下基础采用支承块式承轨台结构。
补充资料：轨道保持(见航天器轨道控制)
轨道保持(见航天器轨道控制)
orbit keeping
guidQo baoehi轨道保持(o rbit keePing)见航天器轨道控制。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条