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Регулировка усиления в радиолокационных приемниках.




 

Литература

Рудианов Г.В., Переверзев М.А., Габдулин М.А. Основы построения зенитных комплексов. Справочно-учебный материал. СПб. 2011.

 

1. НАЗНАЧЕНИЕ, СОСТАВ И ОСНОВНЫЕ ПОКАЗАТЕЛИ РАДИОЛОКАЦИОННОГО ПРИЕМНИКА

 

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Пример частотной (резонансной) характеристики приемника

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Примеры различных резонансных характеристик

приемника:

а — желательная форма резонансной характеристики; б — хорошая избирательность, но малая полоса пропускания; в — широкая полоса пропускания, но плохая избирательность; г — хорошая избирательность и достаточная полоса пропускания

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2. РАБОТА ПРИЕМНОЙ СИСТЕМЫ РЛС ПО СТРУКТУРНОЙ СХЕМЕ

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Принципиальна схема амплитудного детектора

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Сигнал на входе амплитудного детектора

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Сигнал на выходе амплитудного детектора

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Сигнал на выходе амплитудного детектора

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Структурная схема детекторного приемника

 

 

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Структурная схема приемника прямого усиления

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Структурная схема супергетеродинного приемника импульсных сигналов

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Частоты полезного сигнала, гетеродина и зеркальной помехи:

а — частота гетеродина выше частоты сигнала; б — частота гетеродина ниже частоты сигнала

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3. РЕГУЛИРОВКА УСИЛЕНИЯ В РАДИОЛОКАЦИОННЫХ ПРИЕМНИКАХ

 

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ШАРУ, примененная в приемнике АОЗ БМ 9А35

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Принцип действия схемы БАРУ

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Блок-схема БАРУ

 

 

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Схема БАРУ, примененная в приемнике ССЦ ЗСУ 2С6

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Структурная схема системы ВАРУ

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Эпюры напряжений, поясняющие работу схемы ВАРУ

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Функциональная схема КАРУ

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Эпюры напряжений, поясняющие работу схемы КАРУ

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Задание на самостоятельную работу:

1. Изучить материал занятия;



Занятие № 7. Оптические следящие координаторы целей.

Учебные цели: 1. Изучить принцип работы ОГСН ЗУР.

2. Изучить назначение и типовой состав оптического координатора цели.

Учебные вопросы:

1. Общие сведения об оптических следящих координаторах целей.

2. Принцип работы оптической головки самонаведения (ОГСН) ЗУР.

Литература

Рудианов Г.В., Переверзев М.А., Габдулин М.А. Основы построения зенитных комплексов. Справочно-учебный материал. СПб. 2011.

 

1. ОБЩИЕ СВЕДЕНИЯ ОБ ОПТИЧЕСКИХ СЛЕДЯЩИХ КООРДИНАТОРАХ ЦЕЛЕЙ

 

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Зависимость интенсивности инфракрасного излучения от длины волны при различных температурах

 

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Упрощенная блок-схема координатора оптическойсистемы самонаведения

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2. ПРИНЦИП РАБОТЫ ОПТИЧЕСКОЙ ГОЛОВКИ САМОНАВЕДЕНИЯ ЗУР

 

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________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________Оптическая система следящего координатора цели:

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Модулирующий дискФК-канала

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Принцип амплитудно-импульсной модуляции светового потока

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Модулирующий дискИК-канала

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Структурная схема оптической головки самонаведения

 

Структурная схема автопилота

 

 

Задание на самостоятельную работу:

1. Изучить материал занятия;



Тема № 2. АВТОМАТИКА ЗЕНИТНЫХ РАКЕТНЫХ КОМПЛЕКСОВ.










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