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Улучшение спектрального состава Ð²Ñ‹Ñ Ð¾Ð´Ð½Ð¾Ð³Ð¾ напряжения ключевого усилителя мощности на основе предыскажения импульсов управления

выпускная квалификационная работа магистра

Улучшение спектрального состава Ð²Ñ‹Ñ Ð¾Ð´Ð½Ð¾Ð³Ð¾ напряжения ключевого усилителя мощности на основе предыскажения импульсов управления

Abstract

Объект исследования – одноступенчатые, двухступенчатые, трехступенчатые и четырехступенчатые сигналы управления ключевого усилителя мощности. Цель работы – оценка влияния точности формирования сигналов управления ключевого усилителя мощности на побочные составляющие сигналов, разработка схемы компенсации временных задержек с помощью введения предыскажений импульсов управления. Были исследованы одно-, двух-, трех- и четырехступенчатые сигналы несущей. Был проведен теоретический анализ влияния точности формирования управляющих напряжений на спектральные характеристики. Была произведена попытка разработки схемы компенсации задержек на основе полученных результатов и рассмотрены альтернативные методы компенсации.

The object of research is single – stage, two-stage, three-stage and four-stage control signals of a key power amplifier. The purpose of the work is to assess the influence of the accuracy of the control signal generation of the key power amplifier on the side components of the signals, to develop a scheme for compensating time delays by introducing control pulse presets. One-, two-, three- and four-stage carrier signals were investigated. A theoretical analysis of the influence of the accuracy of the formation of control voltages on the spectral characteristics was carried out. An attempt was made to develop a delay compensation scheme based on the results obtained and alternative compensation methods were considered.

Keywords

система коротковолновой связи, delay compensation circuit, ключевой усилитель мощности, ÑÑ ÐµÐ¼Ð° компенсации задержек, control voltages, shortwave communication system, bridge circuit, мостовая ÑÑ ÐµÐ¼Ð°, управляющие напряжения, key power amplifier

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
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