讨论了莱斯多径衰落信道模型在两类常规测向技术中的应用。
This paper discusses the application of Rician Distribution multipath descent in two kinds of conventional direction-finding.
分析了UWB室内衰落信道模型下脉冲幅度位置混合调制(PAPM)最优接收机性能。
The optimum receiver performance of a hybrid pulse phase and position modulation(PAPM) over ultra-wideband(UWB) indoor fading channel model is analyzed.
本文分析了数字电视地面广播通信信道具有长脉冲响应的多径衰落的特点,从频域上表达了其多径衰落信道模型;
The characteristics of the digital television terrestrial broadcasting (DTTB) channels with long impulse responses are analyzed, and the frequency domain multipath channel model is given.
利用基扩展模型,针对平坦快衰落信道提出了差分空时调制方法。
Relying on basis expansion model, this paper presents a differential space-time modulation method for flat rapidly fading channels.
频率选择性衰落信道采用了两径模型。
A two-ray model is used for the frequency selective fading channel.
在此基础上提出了一种新的无线信道模型;结合分形插值方法,对多径衰落信号的重构进行了研究。
Then a novel channel model is proposed and fractal interpolation is applied to reconstruct the signals.
CD MA系统按信道模型的不同分为高斯白噪声信道和衰落信道、时变和时不变信道。
According to different channel models, CDMA systems can be divided into additive white gaussian noise (AWGN) channel and dispersive channel, time-variant and time-invariant channel.
本文主要介绍由实验测量和统计分析方法得到的UWB信道模型,包括UWB系统的路径损耗模型和多径衰落模型。 u。
This paper will introduce the channel models for UWB, which include path loss models and multi-path fading models obtained by large measurements and statistical analysis.
本文第一章绪论首先分析了无线信道的特性,介绍了小尺度衰落模型,多径衰落模型以及WSSUS信道模型。
The first chapter introduced the characteristics of the wireless channel, the small-scale fading model, multi-path fading model and WSSUS channel model.
本文在瑞利衰落模型下,研究了高频电离层信道中多径时延与多普勒频移的随机特性。
In this paper, with Rayleigh fading the random characteristics of multipath time delay and Doppler shift in HF ionospheric channels is discussed.
在宽带信道模型的基础之上,从理论上分析了电波信号通过电离层信道所经受的衰落影响。
Based on the ITS channel model this paper theoretically discusses the fading effect of the ionosphere to the signal which is reflected by the ionosphere.
仿真实验结果表明,提出的分布式MIMO信道模型能够有效降低小尺度衰落相关性和阴影衰落相关性的影响。
The simulation result indicate that the proposed distributed MIMO channel model effectually reduce the impact of low fading correlation on the channel capacity.
根据北京地区移动通信无线电传播规律,在信号快衰落幅度服从m衰落的基础上,给出了M衰落波形信道的计算机仿真模型。
Based on the propagation regularity of land mobile communication in Beijing, this paper gives the computer simulation model of M-distribution fading wave channel.
针对复合衰落信道的复杂性,提出了一种简化的信道模型来研究分布式天线系统的误比特率性能。
Due to the complexity of the composite fading channel, a new simplified channel model is proposed to analyze the bit error ratio(BER)performance of the distributed antenna system(DAS).
然后在分析移动信道衰落特性的基础上,分析了多径瑞利信道的数学模型,并对基于这种模型的各种信道估计性能进行了仿真分析。
Then mathematic model of multi-path Rayleigh fading channels are presented based on the discussion of mobile fading channel characteristics. At last, the simulation results and analysis are given.
对超宽带(uwb)室内信道模型在时域和频域进行了讨论,并介绍了在小范围衰落情况下的时域和频域的多种信道模型,以及较实用的路径损耗模型。
In this paper, UWB indoor channel models were discussed in time and frequency domain. it's introduced path loss channels and several indoor channel models at small-scale fading.
通过实践应用证明,此衰落模型在实际网络的节点部署和节点定位中的作用优于其他无线信道衰落模型。
This paper presented a model about the channel fading in the indoor physical environment of the wireless sensor networks.
首先,文章分析了无线信道的传输特性,对几种常见的衰落进行了具体的介绍。分析了无线信道的传播模型。
First of all, analyze the transmission characteristic of wireless channel, describe in detail several types of common attenuation and give the transmission model of wireless channel.
首先,文章分析了无线信道的传输特性,对几种常见的衰落进行了具体的介绍。分析了无线信道的传播模型。
First of all, analyze the transmission characteristic of wireless channel, describe in detail several types of common attenuation and give the transmission model of wireless channel.
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