Results offer evidences for precision control of inflatable space antenna reflector.
分析结果为空间充气展开天线反射器表面精度控制提供依据。
One of the most difficult problems in designing large-scale space antenna is how to solve the in-step motion.
空间展开天线大型化所遇到的关键难题之一是如何解决协调运动。
In research and development of space antenna, the natural characteristic analysis and structural design optimization are very important.
在空间天线结构的研制过程中，结构固有特性分析和结构优化设计是非常重要的两项研究工作。
The Laser Interferometer Space Antenna (LISA) is a joint mission between NASA and the European Space Agency scheduled for launch in 2025.
激光干涉太空探测器(LISA)是一个NASA与欧洲太空署的联合任务。计划于2025年发射。
The colliding Antenna Galaxies, a hyperkinetic smashup in space, may approximate what will happen when the Milky Way and the Andromeda Galaxy collide in about 2.5 billion years.
碰撞中的触角星系，太空中的高动力碰撞，在未来25亿年间银河系与仙女星系如果发生碰撞，也有可能产生此现象。
On the other hand, utilizing the smart antenna and the users' spatial information, we can develop the Space Division Multiple Access (SDMA) technology.
另一方面，利用智能天线和用户空间位置信息可以实现空分多址(SDMA)接入技术。
Space deployable antenna is composed of a reflective mesh and a deployable truss, forming a mesh parabolic surface.
空间可展天线由索网和可展构架组成，形成索网抛物面形反射面。
The large Hoop Truss Deployable Antenna (HTDA) in the space, with large aperture, light mass, big flexible character and so on, is type flexible multi-contact system.
空间大型环形可展天线具有展开口径大、质量轻、柔性大等特点，是一个典型的多柔体结构。
To use space mapping algorithm optimizing the position of the antenna, it can highly enhance the operation efficiency.
运用空间映射算法优化天线阵的位置参量，可以大大提高运算速率，节省时间。
This paper analyzes the performance of Space-time RAKE Receiver at the base-station of WCDMA System which employing adaptive antenna array.
分析了在WCDMA系统的基站中采用含自适应阵列天线的空时rake接收机的性能。
DOA (direction of arrival) estimation is realized by using antenna array to estimate the arrival direction of space signal source.
波达方向估计是利用天线阵元对空间信源的来波方向进行估计。
Heterodyne efficiency is reduced by aberration of receiving antenna for space coherent optical communication.
空间相干光通信中接收天线像差会使光外差效率下降。
This paper belongs to a thesis called the study on dynamical analysis and control of large space deployable antenna which sponsored by the National Natural Science Fund.
论文课题来源于国家自然科学基金资助项目：空间大型可展开天线的动力分析及控制研究。
Because of the space selecting of smart antenna which could balance the user amount of each cell, it will be easy to implement the joint detection when combining two of them.
由于智能天线的空间选择性，可以有效地均衡每个小区的用户数量，当两者结合后使联合检测变得易于实现。
Using this model and the relevant dyadic Green's function, some characteristics of a rectangular patch antenna near resonance, such as radiation resistance and space wave efficiency, are analysed.
应用此模型，并结合分层介质中的并矢格林函数，分析了贴片天线的辐射阻抗、空间波辐射效率等特性。
Smart antenna using digital signal process technique, produces space directional beam, and utilizes space filter ability for improving the performance of CDMA systems.
智能天线利用数字信号处理技术，产生空间定向波束，利用其空间滤波特性可以提高CD MA系统的性能。
An analysis of the antenna and scattering theory is an important part in the electromagnetic problems, which describes the energy transformation from a closed circuit system to an open space system.
电磁问题中有很大一类是研究天线和散射理论，即由封闭电路系统向空间开放系统的能量转换。
With features of light-weight, small-packaged cubage, etc , the mesh reflector has been used widely for developing large deployable antenna for space application .
网状天线以其重量轻、折收体积小等特点在空间大型可展开天线的研制方面得到了越来越广泛的应用。
The technology of Large Space Mesh Antenna Reflector Precision Control intends to ensure the performance of antenna at orbit.
大型空间网状天线反射面精度控制的目的是保证天线在轨工作时的反射性能。
Space spectrum estimation, beamforming and nulling are important technique in smart antenna of TD-SCDMA communication standard.
空间谱估计技术，波束形成技术及零点技术是第三代移动通信标准TD-SCDMA中，智能天线的三个重要功能。
Fractal structure has the special ability of space filling which can be explored for antenna RCS reduction.
分形结构具有独特的空间填充性能，利用该性能可以探索分形天线在天线rcs减缩中的应用。
Due to the limitation of mobile terminal implementation in MIMO systems, Distributed Antenna System (DAS) is proposed to provide space diversity gain.
文章针对多输入多输出（MIMO）系统在移动终端实现上的限制，提出分布式天线系统（DAS）的解决方案来获得空间分集增益。
A wiring space is formed inside of the antenna apparatus.
布线空间形成在天线装置的内部。
In the field of space exploring, engineers usually increase the quantity of antenna elements and the work band to improve the effect distance and resolving power of the antennas.
在空间探测领域，工程师往往会增加天线单元数量和工作带宽，以提高天线的作用距离和分辨率。
The distance between antenna elements and element's excitation currents are used as variables to optimize the side lobe of equal space linear array firstly.
首先，以各单元馈电电流和单一阵元间距为变量，对一般天线阵进行了降低旁瓣电平的优化。
The simulator has been successfully used in a radar ATE for antenna space stability testing.
该数字航姿模拟器已在某型机载雷达ate中成功应用。
Methods RFID technology and series antenna coils separated in space were used in combat readiness medicine-chest, thus enabling the medicine-chest to have the virtue of intelligence.
方法：在战备药箱中采用RFID技术和串联空分多匝天线技术结合的RFID系统，使战备药箱具有智能化。
Measurements of the impedance of a cylindrical antenna in an isotropic plasma and a comparison with theory have been made. The length of the antenna is comparable to the free space length.
本文对可与自由空间波长相比拟的长柱状天线在等离子体中的阻抗进行了实验测量，并与理论计算进行了对比。
In order to effectively use directional antenna space division multiplexing features, while reducing some of its directional influence to bring the need to propose a new wireless MAC protocol.
为了有效地利用定向天线的空分复用的特点，同时减少由于其方向性带来的一些影响，需要提出一种新的无线MAC协议。
In order to effectively use directional antenna space division multiplexing features, while reducing some of its directional influence to bring the need to propose a new wireless MAC protocol.
为了有效地利用定向天线的空分复用的特点，同时减少由于其方向性带来的一些影响，需要提出一种新的无线MAC协议。
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