A Study of the Short-Term Stability of Energy Characteristics of the Ionospheric Radio Channel

被引：0
|
作者：
Barabashov, B. G. [1 ]
Ogar, A. S. [1 ]
Pelevin, O. Yu. [1 ]
Radio, L. P. [1 ]
机构：
[1] South Fed Univ, Rostov Na Donu, Russia
来源：
RADIOPHYSICS AND QUANTUM ELECTRONICS | 2015年 / 57卷 / 11期
关键词：
Binary Sequence; Inertial Property; Absolute Variation; Radio Path; Signal Noise Signal;
D O I：
10.1007/s11141-015-9563-8
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
On the basis of the results of long-term measurements on the calibrated mid-latitude highfrequency paths, it is concluded that the processes responsible for the energy characteristics of the high-frequency wave field have inertial properties. Slow (one-hour) absolute variations in the average signal and effective-noise levels in the daytime and the night-time hours do not exceed 2.0 dB. Similar variations in the average signal levels in the twilight hours after removal of the trend, which is caused by the diurnal variation in the ionospheric characteristics, are also below 2.0 dB. Analysis of the time behavior of the relative error-appearance frequency during transmission of the binary sequences with the amplitude manipulation indicates that the above frequency varies in the range 20-75% for an hour if the reception results are averaged for 20 min.
引用
收藏
页码：773 / 781
页数：9
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