RU99115592A - FREQUENCY-MODULATED SIGNAL RECEIVER - Google Patents

FREQUENCY-MODULATED SIGNAL RECEIVER

Info

Publication number
RU99115592A
RU99115592A RU99115592/09A RU99115592A RU99115592A RU 99115592 A RU99115592 A RU 99115592A RU 99115592/09 A RU99115592/09 A RU 99115592/09A RU 99115592 A RU99115592 A RU 99115592A RU 99115592 A RU99115592 A RU 99115592A
Authority
RU
Russia
Prior art keywords
frequency
low
input
modulated signal
signal receiver
Prior art date
Application number
RU99115592/09A
Other languages
Russian (ru)
Other versions
RU2179786C2 (en
Inventor
Анатолий Михайлович Карлов
Елена Вячеславовна Волхонская
Евгений Николаевич Авдеев
Original Assignee
Балтийская государственная академия рыбопромыслового флота
Filing date
Publication date
Application filed by Балтийская государственная академия рыбопромыслового флота filed Critical Балтийская государственная академия рыбопромыслового флота
Priority to RU99115592/09A priority Critical patent/RU2179786C2/en
Priority claimed from RU99115592/09A external-priority patent/RU2179786C2/en
Publication of RU99115592A publication Critical patent/RU99115592A/en
Application granted granted Critical
Publication of RU2179786C2 publication Critical patent/RU2179786C2/en

Links

Claims (1)

Устройство приема частотно-модулированных сигналов, содержащее последовательно соединенные входное устройство, усилитель промежуточной частоты, частотный дискриминатор и фильтр нижних частот, отличающийся тем, что, с целью увеличения помехоустойчивости приема частотно-модулированных сигналов при малых отношениях сигнал/шум на входе, между выходом частотного дискриминатора и входом фильтра нижних частот включен перемножитель, а между выходом усилителя промежуточной частоты и вторым входом перемножителя включены последовательно соединенные квадратичный амплитудный детектор и второй фильтр нижних частот.A device for receiving frequency-modulated signals containing a serially connected input device, an intermediate-frequency amplifier, a frequency discriminator and a low-pass filter, characterized in that, in order to increase the noise immunity of receiving frequency-modulated signals at low signal-to-noise ratios at the input, between the frequency output the discriminator and the input of the low-pass filter included multiplier, and between the output of the intermediate frequency amplifier and the second input of the multiplier are connected in series with single quadratic amplitude detector and a second low-pass filter.
RU99115592/09A 1999-07-13 1999-07-13 Device for reception of frequency modulated signals RU2179786C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU99115592/09A RU2179786C2 (en) 1999-07-13 1999-07-13 Device for reception of frequency modulated signals

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU99115592/09A RU2179786C2 (en) 1999-07-13 1999-07-13 Device for reception of frequency modulated signals

Publications (2)

Publication Number Publication Date
RU99115592A true RU99115592A (en) 2001-09-20
RU2179786C2 RU2179786C2 (en) 2002-02-20

Family

ID=20222810

Family Applications (1)

Application Number Title Priority Date Filing Date
RU99115592/09A RU2179786C2 (en) 1999-07-13 1999-07-13 Device for reception of frequency modulated signals

Country Status (1)

Country Link
RU (1) RU2179786C2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013036154A1 (en) * 2011-09-07 2013-03-14 Kulikov Roman Sergeevich Method for adaptive filtering of a signal
RU2549115C1 (en) * 2014-04-25 2015-04-20 Виктор Андреевич Павлов Method of generating functional-integral-differentiated quadrature reference signals

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