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This article through studies ground-to-air communications process all kinds of possible interference. Among them, the civil FM radio interference of ground-to-air communications, is also in this paper particularly serious research content, including general intruding generation mechanism and FM radio frequency interference with the mechanism, and carried on the detailed derivation and argument, is put forward based on single channel cma civil air defense communications interference suppression of technical solutions. Using Matlab simulation and solutions. Civil air defense communications system to achieve the jamming mechanism and the anti-interference scheme.
This chapter for single input and single output channel, design the single channel cma realize interference suppression solutions, which features a, 1) using specially introduced cma modulation signal cyclostationarity, with constant modulus sex, power constant; 2) only need a single receiving antenna (the so-called single channel receiver); It is using CMA (CMA) extraction constant modulus jamming signal to transform complex (after the signal using simple normalized), then the adaptive LMS is as the reference signal, cancel adaptive cancellation. He took advantage of cma and fixed the way to commit wave, the ability of strong interference resistance.
This article through studies ground-to-air communications process all kinds of possible interference. Among them, the civil FM radio interference of ground-to-air communications, is also in this paper particularly serious research content, including general intruding generation mechanism and FM radio frequency interference with the mechanism, and carried on the detailed derivation and argument, is put forward based on single channel cma civil air defense communications interference suppression of technical solutions. Using Matlab simulation and solutions. Civil air defense communications system to achieve the jamming mechanism and the anti-interference scheme.
This chapter for single input and single output channel, design the single channel cma realize interference suppression solutions, which features a, 1) using specially introduced cma modulation signal cyclostationarity, with constant modulus sex, power constant; 2) only need a single receiving antenna (the so-called single channel receiver); It is using CMA (CMA) extraction constant modulus jamming signal to transform complex (after the signal using simple normalized), then the adaptive LMS is as the reference signal, cancel adaptive cancellation. He took advantage of cma and fixed the way to commit wave, the ability of strong interference resistance.。
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