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Performance for 4F4T4PSK Communication System on HF Ionospheric Channels
高频电离层信道4F4T4PSK系统性能
This paper presents a method for determining the error probability of 4F4T4PSK communication system on HF ionospheric channels.
本文提出了高频电离层信道4F4T4PSK通信系统性能分析方法,给出了其误码率表达式。
Adaptive blind equalization for Rayleigh fading ionospheric channels
瑞利衰落电离层信道的自适应盲均衡
The constant modulus blind equalization technique is investigated over a slow Rayleigh fading ionospheric channels with additive white Gaussian noise.
研究通过具有加性高斯白噪声的瑞利慢衰落电离层信道的恒模盲均衡技术。
In this paper,with Rayleigh fading the random characteristics of multipath time delay and Doppler shift in HF ionospheric channels is discussed.
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.
Some Statistical Characteristics and a Prediction Method of the Time-Delay Spread for HF Ionospheric Channel
高频电离层信道时延散布的某些统计特性及其预测方法
The Effects of Time-varying Ionospheric Channel on HF Timing
电离层信道的时变特性对短波授时的影响
Second, the second-order statistical characteristics of satellite signals propagating through the turbulent ionosphere and properties of the ionospheric channel are also studied.
第二、穿过随机电离层卫星信号二阶统计特性和电离层信道统计特性研究。
Adopting Watterson Gaussian-scatter HF ionospheric channel model, the algorithms of simulation is performed by software programming.
该模拟器采用Watterson高斯型散射短波电离层信道模型，软件编程实现了信道的各种模拟算法，通过液晶显示控制面板输入和调整系统所用的参数，并利用TMS320VC33芯片及其外围设备完成信号的数字化处理。
PASSIVE IONOSPHERE CHANNELS PARAMETERS REAL-TIME MEASURING SYSTEM
被动式电离层信道参量实时探测系统
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.
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。
On the basis of setting up a model of the parallel transmission link of short-wave data communication system, this paper analyses the anti-noise performance of data communication in a non-selective Rayleigh gradually fading ionosphere channel, and derives the average error code rate formular and its curves. The analysis paves theoretically the way of simulation of radar intelligence short-wave data communication links and estimation of its efficiency.
在建立并发制短波数据通信系统模型的基础上,分析了非选择性瑞利慢衰落电离层信道中数 据通信抗噪声性能,并导出了平均误码率公式,生成了误码率曲线,为雷达情报短波数据通信链路的仿真及 效能评估提供理论依据.
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