These new resonant cells are greatly reduced in dimensions and very compact in structures, so it is possible to realize the lower frequency selective surface.
这类新型谐振单元尺寸大大缩小，结构紧凑，为低频段的频率选择性表面阵列的实现提供了可能。
A two-ray model is used for the frequency selective fading channel.
频率选择性衰落信道采用了两径模型。
Generally the channel is both frequency selective and time selective.
一般的，信道既是频率选择性的又是时间选择性的。
The superficial layers are often frequency selective to transmission.
表层传播一般都有频率选择性。
The superficial layers are often frequency selective to transmission .
表层传播一般都有频率选择性。
In this paper, band pass frequency selective surface was analyzed by mode matching technology.
采用模匹配技术对带通型频率选择表面进行分析，其中单元内的场用有限元法解出。
Finally, the performance of the designed frequency selective circuit completely met the 3gpp 's specifications.
最后设计的选频电路性能完全满足3gpp的要求。
The new coded strategy can achieve full space-time-frequency diversity over frequency selective fading channel.
在频率选择性信道中，新编码策略可以获得空时频全分集增益。
However, for the wireless mobile communication systems, the radio channel is frequency selective and time-varying.
对于无线通信系统，无线信道不仅是频率选择性的，而且是时变的。
A time-varying disperse channel is a channel that contain both frequency selective fading and time selective fading.
时变色散信道则是同时存在频率和时间选择性衰落的信道。
This paper investigates blind multiuser detection for asynchronous DS-CDMA in frequency selective Rayleigh fading channel.
该文研究了频率选择性瑞利衰落信道中的异步ds - CD MA系统盲多用户检测。
The microwave absorbing performance of frequency selective surface with resistance patch (FSSR) was analyzed in this paper.
对电阻贴片频率选择表面(FSSR)的吸波性能进行了研究。
Modified MIMO channel estimation algorithm based on superimposed training sequence was proposed for the frequency selective channel.
针对提高无线信道的传输性能，提出了改进的基于叠加训练序列的MIMO信道估计算法。
In order to realize wideband filtering properties of frequency selective surface (FSS), FSS of closely packed elements is presented.
为了实现频率选择表面(FSS)的宽带滤波特性，本文给出了单元紧密排布的FSS结构。
This new scheme has the advantages of high spectrum efficiency and suppression of multipath spread, frequency selective fading, jamming and noise.
该体制具有较高的频率利用率，可有效地抑制短波信道中多径时延、频率选择性衰落、人为干扰与噪声带来的不利影响。
In this thesis, we study equalization techniques for OFDM over the frequency selective fading channel and doubly selective fading channel respectively.
本文的研究内容就是频率选择性衰落信道和双衰落信道下的OFDM信道均衡技术。
This paper investigates blind space-time interference suppression for MultiCarrier CDMA (MC-CDMA) system in frequency selective Rayleigh fading channel.
该文研究在频率选择性瑞利衰落信道中MC-CDMA系统的盲空时干扰抑制。
Compared with traditional frequency selective surface (FSS), the novel frequency selective structure has the advantages of easy implementation and tuning.
与传统的频率选择表面相比，提出的新型频率选择结构具有易于调节频率选择特性且易于实现的优点。
By means of frequency selective surface (FSS) instead of metallic surface, a stealthy reflector antenna with small radar cross section (RCS) is constructed.
利用频率选择表面（FSS）代替普通金属面构成选频反射面隐身天线。
For integer frequency offset estimation, we analyze a sequence auto-correlation based algorithm, and extend the algorithm into frequency selective channel case.
对于整数频偏估计，分析了一种基于序列自相关的算法，并将该算法推广应用到频率选择性信道中；
The bandwidth efficiency and ability to combat the effects of frequency selective channels are critical issues in the design of wideband wireless digital communications system.
在宽带无线数字通信系统中，影响信息高速传输的最主要的一类干扰是由信道的多径效应所引起的频率选择性衰落。
The space-time channel estimation and multiuser detection algorithm for the uplink of multicarrier CDMA (MC-CDMA) system in frequency selective Rayleigh fading channel were investigated.
研究了频率选择性瑞利衰落信道中的同步MC-CDMA系统上行链路空时信道估计及多用户检测算法。
The tapped delay model of the multi-path frequency selective fading channels as well as the diversity receiver technique is introduced, and the principles of RAKE receiver are described.
本文首先讨论了移动通信信道的各种参数对信道估计的影响，介绍了频率选择性信道的抽头延迟线模型和分集接收技术，在此基础上阐述了RAKE接收机的原理。
A robot digital machining system (RDMS) used to machine complex frequency selective surfaces (FSS) in the aerospace manufacturing and satellite communications is introduced in this paper.
介绍了一种在航空制造和卫星通信领域用于复杂频率选择表面加工的机器人数字化加工系统(RDMS)。
A frequency selective surface (FSS) is a metallic periodic structure with frequency selective properties. Depending upon design, it may be low-pass, high-pass, band-pass, band-stop filter.
频率选择表面（FSS）是具有选择频率功能的一块金属周期结构，它可以被设计成低通、高通、带通、带阻滤波器。
A numerical simulation approach analyzing electromagnetic characteristics for dielectric-loaded double-layer frequency selective surfaces (FSS) with dissimilar lattice geometries is presented.
给出了一种分析有介质加载的不同栅格外形双层频率选择表面电磁特性的数值模拟方法。
A numerical simulation approach analyzing electromagnetic characteristics for dielectric-loaded double-layer frequency selective surfaces (FSS) with dissimilar lattice geometries is presented.
给出了一种分析有介质加载的不同栅格外形双层频率选择表面电磁特性的数值模拟方法。
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