RU95109372A - Adaptive delta-codec - Google Patents

Adaptive delta-codec

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Publication number
RU95109372A
RU95109372A RU95109372/09A RU95109372A RU95109372A RU 95109372 A RU95109372 A RU 95109372A RU 95109372/09 A RU95109372/09 A RU 95109372/09A RU 95109372 A RU95109372 A RU 95109372A RU 95109372 A RU95109372 A RU 95109372A
Authority
RU
Russia
Prior art keywords
filter
analyzer
digital
compander
shift register
Prior art date
Application number
RU95109372/09A
Other languages
Russian (ru)
Inventor
А.М. Косарев
Original Assignee
16-й Центральный научно-исследовательский испытательный институт
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 16-й Центральный научно-исследовательский испытательный институт filed Critical 16-й Центральный научно-исследовательский испытательный институт
Priority to RU95109372/09A priority Critical patent/RU95109372A/en
Publication of RU95109372A publication Critical patent/RU95109372A/en

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Abstract

FIELD: electric communications and telephony. SUBSTANCE: device has: on ending end - comparator, four-bit shift register, one (zero) density analyzer, syllable filter, compander, amplitude-pulse modulator, and double-section integrating filter; digital error channel; on receiving end - four-bit shift register, one (zero) density analyzer, syllable filter, compander, amplitude-pulse modulator, double-section integrating filter, and low-frequency filter. Additionally introduced in device are digital data transmission confidence analyzer whose transmitter has switch, pulse generator, sync pulse generator, and control circuit, and its receiver has switch, comparison circuit, error counter digital-to-analog converter, sync pulse detector, and adjustable low-frequency filter. EFFECT: provision for operation under heavy channel noise conditions.

Claims (1)

Изобретение относится к электросвязи и может быть использовано в системах телефонной связи в условиях воздействия интенсивных канальных помех. Сущность изобретения: устройство содержит на передающей стороне - компаратор, четырехразрядный регистр сдвига, анализатор плотности единиц (нулей), слоговый фильтр, компандер, амплитудно-импульсный модулятор и двузвенный интегрирующий фильтр, цифровой канал с ошибками, на приемной стороне - четырехразрядный регистр сдвига, анализатор плотности единиц (нулей), слоговый фильтр, компандер, амплитудно-импульсный модулятор, двузвенный интегрирующий фильтр и фильтр нижних частот. Дополнительно в устройство введены анализатор достоверности передачи цифровой информации, передатчик которого состоит из коммутатора, генератора импульсов, генератора синхропосылок и схемы управления, приемник которого состоит из коммутатора, схемы сравнения, счетчика ошибок, цифроаналогового преобразователя, детектора синхропосылок и схемы управления, и регулируемый фильтр нижних частот.The invention relates to telecommunications and can be used in telephone communication systems under the influence of intense channel interference. The inventive device contains on the transmitting side a comparator, a four-digit shift register, a unit (zero) density analyzer, a syllabic filter, a compander, an amplitude-pulse modulator and a two-link integrating filter, a digital channel with errors, a four-digit shift register, an analyzer on the receiving side density of units (zeros), syllabic filter, compander, pulse-amplitude modulator, two-link integrating filter and low-pass filter. Additionally, an analyzer for the reliability of digital information transmission is introduced into the device, the transmitter of which consists of a switch, a pulse generator, a clock generator and a control circuit, the receiver of which consists of a switch, a comparison circuit, an error counter, a digital-to-analog converter, a clock detector and a control circuit, and an adjustable lower filter frequencies.
RU95109372/09A 1995-06-06 1995-06-06 Adaptive delta-codec RU95109372A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU95109372/09A RU95109372A (en) 1995-06-06 1995-06-06 Adaptive delta-codec

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU95109372/09A RU95109372A (en) 1995-06-06 1995-06-06 Adaptive delta-codec

Publications (1)

Publication Number Publication Date
RU95109372A true RU95109372A (en) 1997-05-10

Family

ID=48433757

Family Applications (1)

Application Number Title Priority Date Filing Date
RU95109372/09A RU95109372A (en) 1995-06-06 1995-06-06 Adaptive delta-codec

Country Status (1)

Country Link
RU (1) RU95109372A (en)

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