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。
The operational performance of radar seeker is influenced by the performance of antenna radome. Aiming at this problem, the antenna radome test system is designed.
针对雷达导引头作战性能受天线罩性能影响的问题,设计了一种天线罩测试系统。
Thermal deformation error of Phased Array Antenna is one of the most primary factor that influent electrical performance of antenna, so it is very necessary to lucubrate.
相控阵天线的热变形误差是影响天线电性能的主要因素之一,因此有必要对其做深入研究。
The fractal defected ground structure not only improves the performance of antenna better, but also uses the area of ground more efficiently than the dumbbell defected ground structure.
与哑铃形缺陷地结构相比,分形缺陷地结构不仅能更好的提高微带天线性能,还能减少刻蚀接地板的面积,提高地板利用效率。
"Gripping any phone will result in some attenuation of its antenna performance, depending on the placement of the antennas," he said.
“任何手机拿在手里,信号都会受到影响,取决于天线的位置,”他说。
Simulation results showed that the antenna array's directional pattern formed by this kind of fixed-point format LMS algorithm had high performance.
测试结果表明采用这种定点数制的算法所形成的天线阵方向图具有较好的性能。
The definition of radiation performance of the antenna in conductive medium is given.
描述了导电媒质中天线辐射性能的定义。
Antenna is an essential component of communication countermeasure system, and its performance directly affects the whole system's combat effectiveness.
天线是通信对抗系统的关键组成部分,其性能直接影响整个系统的作战效能。
On the basis of Chapter Four, Chapter Five improves the performance of this antenna design by applying double folded slot antennas.
在第四部分的基础上,第五章再次对该天线设计做性能改善,使用二元折叠槽阵列天线。
This is significant in improving the radiation performance of the single ridged wave-guide slot phased antenna.
这对于提高单脊波导缝隙相控阵天线的辐射性能具有重要意义。
Based on the theoretic analysis, a study is made on broadband and dual-polarized microstrip planar array antennas and a mode of simple structure with good antenna performance is proposed.
在基本原理讨论的基础上,本文重点研究了宽带双极化微带平面阵天线,提出了一种结构简单性能较为良好的天线形式。
The formula of microstrip antenna′s RCS is studied, which is used to analyse RCS reduction, then calculate the effect on RCS reduction and the antenna′s performance in such cases.
分析了影响微带天线RCS的公式,利用公式对微带天线的RCS减缩进行分析,计算了RCS减缩效果和在此情况下天线的辐射性能。
To raise the performance of my military existing radar and antenna system it is necessary to develop a better stabilized platform to isolate the sway of ships.
为提高我军现有雷达、天线系统的性能,须研制能够更好地隔离舰艇纵横摇的精密稳定跟踪平台。
Antenna measuring is an important method for analysis on its performance, while Radar Cross Section (RCS) measuring has special significance in realm of research on features of target.
天线测量是分析天线性能的一种重要手段。目标的雷达散射截面测量在目标特性研究领域具有重要意义。
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。
The effect of finite rate feedback in multiple-antenna OFDM systems on communication performance is discussed in this paper.
讨论了多发射天线OFDM系统中有限比率反馈对通信系统误码率的影响。
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。
The use of the adaptive robust controller for improving control performance and stability of mobile satellite antenna systems is investigated in this paper.
为了改善移动卫星天线的控制性能和稳定性,本文进行移动卫星天线的自适应鲁棒控制系统的研究。
Vector On-Surface Radiation Condition (VOSRC) and Moment Method (MM) are applied to analyzing the performance of a wire antenna in the presence of a conducting sphere.
本文利用矢量表面辐射条件(VOSRC)和矩量法(MM)分析了导电圆球存在时线天线的性能。
In this paper the structure of Mode s transponder is shown and the antenna diversity, anti-interference as well as the performance of data link are elaborated upon.
本文给出模式S应答机的构成,并对天线分集,抗干扰性及数据链的性能给予说明。
In this paper the performance of uplink in the cellular CDMA network, based on the reception of smart antenna, is analyzed in the frequency selective fading channel.
本文分析了在频率选择性信道中基于智能天线阵接收的蜂窝cd MA网络上行链路的性能。
It is proved that the locations and the total number of the interference sources influence greatly the performance of the multi-beam antenna.
证明了干扰源的位置及数目对卫星多波束天线的性能有很大的影响。
The results show that too high or too low dielectric constant of the substrate, too thick or too thin of the substrate size can affect the antenna performance obviously.
研究表明,基质介电常数过高或过低、基质尺寸过厚或过薄,都会使天线的性能显著下降。
The effect of directional antenna on the performance of DSR routing protocol is studied in this paper.
本文研究了方向性天线对DSR路由协议性能的影响。
It can reduce the effect of the systematic errors on antenna performance and c...
它能减少规律性结构误差对天线性能的影响,因而具有一定的实用价值。
The plasma microwave reflector is the basic component of plasma reflector antenna technology, which decides the performance parameters and operation mode of the antenna.
等离子体微波反射面是等离子体反射面天线技术的基础,它决定了反射面天线的性能参数及工作模式。
Ferrite phase shifter is one of the key devices in phase array antenna system, while its temperature property significantly affects the system performance.
铁氧体移相器是相控阵天线系统的关键器件之一,而它的温度特性对系统的性能影响较大。
The performance of the antenna system decides directly the detecting effects of GPR.
该系统的性能直接决定了雷达的探测效果。
This kind of antenna combines the advantages of dual-band antenna and dual-polarized antenna, can not only improve the antenna performance greatly, but also reduce the cost of the system.
这种天线集合了双频天线和双极化天线的优点,不仅能大大提高天线的性能,而且在很大程度上能降低系统的成本。
This kind of antenna combines the advantages of dual-band antenna and dual-polarized antenna, can not only improve the antenna performance greatly, but also reduce the cost of the system.
这种天线集合了双频天线和双极化天线的优点,不仅能大大提高天线的性能,而且在很大程度上能降低系统的成本。
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