Abstract
Aiming at the adjacent channel interference problem of short-wave, a model of three-way short-wave interference signals has been established. The interference cancellation of the short-wave interference signal of three adjacent channels is analyzed, and the time-domain characteristics of the adaptive interference cancellation system are simulated. The theoretical and simulation analysis of the adaptive system show that the offset of the bypass signal will be affected when the intermediate signal frequency is biased to one side because of the existence of the intermediate channel bandwidth.
Highlights
Due to its simple structure and low cost, the short-wave communication is still widely used in military communications
With the development of adaptive interference cancellation technology, it provides a strong support for solving such problems
J.Glover studied the adaptive interference cancellation of sinusoidal signals from the perspective of frequency domain. people have studied a lot of research on adaptive interference cancellation technology and corresponding performance improvement[3,4,5,6]
Summary
Due to its simple structure and low cost, the short-wave communication is still widely used in military communications. Will the receiver block, and will seriously affect the performance of short-wave communication[1]. With the development of adaptive interference cancellation technology, it provides a strong support for solving such problems. Adaptive interference cancellation technology is an effective way to solve this problem. J.Glover studied the adaptive interference cancellation of sinusoidal signals from the perspective of frequency domain. people have studied a lot of research on adaptive interference cancellation technology and corresponding performance improvement[3,4,5,6]. The problem of adjacent channel interference of short-wave signals has been studied. A model of three-way short-wave interference signals has been established, and adaptive interference cancellation technology has been used to suppress interference[7].
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