RU2005131602A - METHOD OF PHASE AUTOMATIC FREQUENCY OF HETERODYN FREQUENCY IN THE COAGERENT FOLLOWING NOISE-SIGNAL RECEIVER - Google Patents

METHOD OF PHASE AUTOMATIC FREQUENCY OF HETERODYN FREQUENCY IN THE COAGERENT FOLLOWING NOISE-SIGNAL RECEIVER Download PDF

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Publication number
RU2005131602A
RU2005131602A RU2005131602/09A RU2005131602A RU2005131602A RU 2005131602 A RU2005131602 A RU 2005131602A RU 2005131602/09 A RU2005131602/09 A RU 2005131602/09A RU 2005131602 A RU2005131602 A RU 2005131602A RU 2005131602 A RU2005131602 A RU 2005131602A
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RU
Russia
Prior art keywords
frequency
correlation function
signal
local oscillator
coagerent
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RU2005131602/09A
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Russian (ru)
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RU2305909C2 (en
Inventor
Алексей Романович Попов (RU)
Алексей Романович Попов
Original Assignee
Федеральное государственное унитарное предпри тие"Научно-исследовательский институт систем св зи иуправлени " ФГУП "НИИССУ" (RU)
Федеральное государственное унитарное предприятие "Научно-исследовательский институт систем связи и управления" ФГУП "НИИССУ"
Алексей Романович Попов (RU)
Алексей Романович Попов
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Application filed by Федеральное государственное унитарное предпри тие"Научно-исследовательский институт систем св зи иуправлени " ФГУП "НИИССУ" (RU), Федеральное государственное унитарное предприятие "Научно-исследовательский институт систем связи и управления" ФГУП "НИИССУ", Алексей Романович Попов (RU), Алексей Романович Попов filed Critical Федеральное государственное унитарное предпри тие"Научно-исследовательский институт систем св зи иуправлени " ФГУП "НИИССУ" (RU)
Priority to RU2005131602/09A priority Critical patent/RU2305909C2/en
Publication of RU2005131602A publication Critical patent/RU2005131602A/en
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Publication of RU2305909C2 publication Critical patent/RU2305909C2/en

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Claims (1)

Способ фазовой автоподстройки частоты гетеродина в когерентном следящем приемнике шумоподобного сигнала, в котором входной сигнал усиливают, смешивают с сигналом гетеродина, преобразуют по частоте, вычисляют комплексную функцию корреляции входного сигнала с псевдослучайной последовательностью, сформированной в приемнике, вычисляют модуль функции корреляции, определяют максимум функции корреляции, формируют сигнал фазового рассогласования, который фильтруют фильтром нижних частот и управляют частотой сигнала гетеродина, отличающийся тем, что для формирования сигнала фазового рассогласования периодически вычисляют комплексную функцию корреляции и ее модуль, выделяют ее действительную или мнимую составляющую в точке, соответствующей максимуму модуля комплексной функции корреляции, умножают на единицу со знаком другой составляющей и делят на максимальное значение модуля функции корреляции.A phase-locked loop method of the local oscillator frequency in a coherent servo receiver of a noise-like signal, in which the input signal is amplified, mixed with the local oscillator signal, converted by frequency, the complex correlation function of the input signal with the pseudo-random sequence formed in the receiver is calculated, the correlation function module is calculated, the maximum of the correlation function is determined , form the phase error signal, which is filtered by a low-pass filter and control the frequency of the local oscillator signal, distinguishing ysya in that for generating a signal phase mismatch periodically calculating the complex correlation function and its module emit its real or imaginary component at the point corresponding to the maximum module of complex correlation function is multiplied by a unit with the sign of the other component and is divided by the maximum value of the modulus of the correlation function.
RU2005131602/09A 2005-10-13 2005-10-13 Method for phase-locked-loop control of heterodyne frequency in coherent tracking receiver of noise-like signal RU2305909C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2005131602/09A RU2305909C2 (en) 2005-10-13 2005-10-13 Method for phase-locked-loop control of heterodyne frequency in coherent tracking receiver of noise-like signal

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Application Number Priority Date Filing Date Title
RU2005131602/09A RU2305909C2 (en) 2005-10-13 2005-10-13 Method for phase-locked-loop control of heterodyne frequency in coherent tracking receiver of noise-like signal

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RU2005131602A true RU2005131602A (en) 2007-04-20
RU2305909C2 RU2305909C2 (en) 2007-09-10

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Publication number Priority date Publication date Assignee Title
JP5621476B2 (en) * 2010-09-29 2014-11-12 ソニー株式会社 Synchronization circuit, synchronization method, and reception system

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Effective date: 20111014