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RU2006141914A - METHOD FOR INCREASING THE PROBABILITY OF DETECTING RADIATION OF RADIATION FROM OPTICAL FIBER - Google Patents

METHOD FOR INCREASING THE PROBABILITY OF DETECTING RADIATION OF RADIATION FROM OPTICAL FIBER Download PDF

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RU2006141914A
RU2006141914A RU2006141914/09A RU2006141914A RU2006141914A RU 2006141914 A RU2006141914 A RU 2006141914A RU 2006141914/09 A RU2006141914/09 A RU 2006141914/09A RU 2006141914 A RU2006141914 A RU 2006141914A RU 2006141914 A RU2006141914 A RU 2006141914A
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value
cycle
radiation
alarm
conditions
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RU2006141914/09A
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Russian (ru)
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RU2349039C2 (en
Inventor
Владимир Владимирович Шубин (RU)
Владимир Владимирович Шубин
Сергей Иванович Овечкин (RU)
Сергей Иванович Овечкин
Сергей Николаевич Ивченко (RU)
Сергей Николаевич Ивченко
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Общество с ограниченной ответственностью "Фобос" - ООО "Фобос" (RU)
Общество с ограниченной ответственностью "Фобос" - ООО "Фобос"
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Priority to RU2006141914/09A priority Critical patent/RU2349039C2/en
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  • Measurement Of Radiation (AREA)

Claims (1)

Способ повышения вероятности обнаружения вывода излучения из оптического волокна, заключающийся в приеме, детектировании оптических сигналов с волоконно-оптической линии, усилении, интегрировании и аналого-цифровом преобразовании полученных аналоговых электрических сигналов, которые в цифровой форме сравниваются с контрольным значением таким образом, что в случае снижения амплитуды сигнала ниже контрольного значения на заданную величину формируется сигнал тревоги отличающийся тем, что через каждое заданное таймером количество отсчетов N, составляющих j-й цикл, вычисляется среднее выборочное значениеA method of increasing the probability of detecting the output of radiation from an optical fiber, which consists in receiving, detecting optical signals from a fiber optic line, amplifying, integrating and analog-to-digital converting the received analog electrical signals, which are digitally compared with a control value in such a way that in the case of reducing the amplitude of the signal below the control value by a predetermined amount, an alarm is generated, characterized in that after each quantity set by the timer, chetov N, constituting the j-th cycle is calculated by the average sample value
Figure 00000001
Figure 00000001
 которое запоминается и используется в последующих циклах для вычисления контрольного сигнала по формулеwhich is remembered and used in subsequent cycles to calculate the control signal according to the formula
Figure 00000002
Figure 00000002
 после окончания каждого j-го цикла полученная величина Фj запоминается и вычитается из значения, вычисленного в j-1, j-k1, j-k2...j-km циклах, полученная разность сравнивается с заранее заданными порогами обнаружения Фo и тревоги Фm и в случае, если выполняется одно из условийafter the end of each j-th cycle, the obtained value Ф j is stored and subtracted from the value calculated in j-1, j-k1, j-k2 ... j-km cycles, the obtained difference is compared with the predetermined detection thresholds Ф o and alarm F m and if one of the conditions
Figure 00000003
Figure 00000003
 то формируется сигнал тревоги в случае, если выполняется одно из условийthen an alarm is generated if one of the conditions
Figure 00000004
Figure 00000004
 то за величину среднего выборочного значения в j+1 цикле принимается величина, вычисленная либо в j-k1-1, либо в j-k2-1, либо в j-k3-1 ..., либо в j-km- в зависимости от того, какое из условий (4) выполняется, в противном случае принимается величина, используемая в j цикле, причем k1/k2, kl2/k...km-1/km≥Фm/Фо.then the value calculated either in j-k1-1, or in j-k2-1, or in j-k3-1 ..., or in j-km- is taken as the average sample value in the j + 1 cycle from which of conditions (4) is fulfilled, otherwise the quantity used in the j cycle is taken, moreover, k1 / k2, kl2 / k ... km-1 / km≥Ф m / Ф о .
RU2006141914/09A 2006-11-27 2006-11-27 Method of probability detection increase of radiation coupling from optical fiber RU2349039C2 (en)

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JP2012015934A (en) * 2010-07-05 2012-01-19 Nec Corp Optical transmission device and optical transmission method

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US5218465A (en) * 1991-09-03 1993-06-08 Motorola, Inc. Intelligent interconnects for broadband optical networking

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