SU809512A1

SU809512A1 - Random pulse generator

Info

Publication number: SU809512A1
Application number: SU792751688A
Authority: SU
Inventors: Александр Михайлович Нелидкин; Александр Николаевич Моргунов
Original assignee: Рязанский Радиотехнический Инсти-Тут
Priority date: 1979-04-16
Filing date: 1979-04-16
Publication date: 1981-02-28

Description

(54) ГЕНЕРАТОР СЛУЧАЙНЫХ ИМПУЛЬСОВ(54) GENERATOR OF RANDOM PULSES

1one

Изобретение относитс к импульсной технике и может быть использовано дл создани случайных импульсных потоков , примен емых дл хаотических-импульсныхпомех и дл испытаний систем передачи данных.The invention relates to a pulse technique and can be used to create random pulse streams used for chaotic pulse interference and for testing data transmission systems.

,Известен генератор случайных сигналов , содержащий источник шума,цепь усилени шума, дискриминатор уровн , логические схемы формировани импульсов , ( внутреннего стробировани , схемы стробировани , делители, схему выходного стробировани и возбуждени , одновибраторы, усилители, аналоговый измеритель, выходное устройство (1 .A known random signal generator containing a noise source, a noise amplifying circuit, a level discriminator, pulse shaping logic circuits (internal gating, gating circuits, dividers, output gating and excitation circuits, one-shot, amplifiers, analog meter, output device (1.

Однако в 3TdM генераторе затруднена регулировка параметров выходных импульсов.However, in the 3TdM generator, it is difficult to adjust the parameters of the output pulses.

Цель изобретени - регулирование параметров случайных импульсов.The purpose of the invention is to control the parameters of random pulses.

Поставленна цель достигаетс .тем, чтов генератор случайных импульсбв, содержащий последовательно соединенные источник шума, первый усилитель, дискриминатор уровн и формирователь импульсов, второй усилитель, одновибратор , блок стробировани , дополнительно введены источник шума, дискриминатор уровн , триггер и управл ема The goal is achieved. A random pulse generator containing a series-connected noise source, a first amplifier, a level discriminator and a pulse shaper, a second amplifier, a single vibrator, a gating unit, a noise source, a level discriminator, a trigger, and control are added.

лини задержки, вход которой через одновибратор соединен с выходом формировател импульсов, второй вход которого подключен к выходу дополнительного дискриминатора уровн и к первом входу триггера, второй вход, которого соединен с выходом управл емой линии задержки, а выход соединен с первым входом блока стробировани , второй вход которого через второй усилитель подключен к выходу дополнительного источника шума, выход блока стробировани соединен с входом дополнительного дискриминатора уровн .the delay line, whose input through the one-shot is connected to the output of the pulse generator, the second input of which is connected to the output of the additional level discriminator and to the first input of the trigger, the second input which is connected to the output of the controlled delay line, the output is connected to the first input of the gating unit, the second the input of which through the second amplifier is connected to the output of the additional noise source, the output of the gating unit is connected to the input of the additional level discriminator.

На чертеже представлена..функциональна схема генератора.The drawing shows .. a functional generator circuit.

Генератор случайных импульсов содержит источники 1 и 2 шума, усилители .3 и 4, дискриминаторы 5 и 6 уровн формирователь 7 импульсов, блок 8 стробировани , одновибратор 9, триггер 10, управл емую линию И задержки . На чертеже также показаны шина 12 управл ющего напр жени и выходна шина 13.The random pulse generator contains noise sources 1 and 2, amplifiers .3 and 4, discriminators 5 and 6 levels, pulse shaper 7, gating block 8, one-shot 9, trigger 10, controllable line AND delay. The drawing also shows a control voltage bus 12 and an output bus 13.

Генератор случайных импульсов работает следующим образом.The random pulse generator works as follows.

Claims

The amplitude of the process from the noise source 1 with a regulated distribution of the levels after the amplifier 3 is fed to the input of the discriminator 5 level, which impulses when comparing the increasing random voltage with a given level. This impulse is fed to the input of the pulse shaper 7 and the formation of the leading edge, the output pulse, simultaneously with the launch of the one-shot 9, which generates a short pulse at the output, fed to the input of the controlled delay line 11. After a delay of equal to the average duration of the output pulses, the pulse throws trigger 10 into a single state, opening block 8. A random process with a given distribution law from noise source 2, after amplifier 4 is fed to a level discriminator b, the pulse from which is output the trigger 10 is in the idle state, closing the block 8, and is fed to the pulse shaper 7, forming the falling edge of the output pulses, i.e. at the output of the pulse shaper 7, random pulses are taken, moments of occurrence: which are determined by the random process of noise source 1, and the duration by a random process of noise source 2 and control voltage from bus 12 proportional to the average duration of the output pulses. Thus, the proposed random pulse generator makes it possible to generate random pulses with specified and uncorrelated laws of the distribution of the moments of occurrence and duration of output pulses, which can be used to create effective chaotic interferences, as in the suppression of the radio telegraph line and radiotelephone In order to ensure the effectiveness of these interferences, it is necessary to optimally select the average value of the duration of interfering pulses and pauses between them. An inventive random pulse generator containing a series-connected noise source, a first amplifier, a level discriminator and a pulse shaper, a second amplifier, a single vibrator, a gating unit, characterized in that, in order to adjust the parameters of random pulses, a noise source is additionally introduced, a discriminator level, trigger and controllable delay line, the input of which through one-shot is connected to the output of the pulse shaper / whose second input is connected to the output level discriminator and to the first trigger input, the second input of which is connected to the output of the controlled delay line, and the output connected to the first input of the gating unit, the second input of which through the second amplifier is connected to the output of an additional noise source, the output of the gating unit is connected to the input of the additional discriminator level Sources of information taken into account in the examination 1. US patent 3866128, cl. 288-59, 1975.