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A Study on the Reception Sensitivity of the Optical Receiver with the Order Change of the Optical Filter in Optical Preamplifier System
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 Title & Authors
A Study on the Reception Sensitivity of the Optical Receiver with the Order Change of the Optical Filter in Optical Preamplifier System
Ra, Yoo-Chan;
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 Abstract
This study examined the order of the Butterworth filter for the correlation on the sensitivity of the receiver in the receiver of an optical system. In the general case, the sensitivity of the receiver is increased if the order of the filter was increased more. This is because increasing the order of the filter response of the normalized frequency of the filter is similar to the rectangular wave. For that reason, the method used to increase the order of the filter increases the sensitivity of the receiver. On the other hand, a method of increasing the order of the filter and makes the system complicated increases the cost of the system. This study examined the correlation between the order of the sensitivity of the receiver filter and to configure the system by simply looking for ways to reduce the cost of the system. The simulation results showed that increasing the order of the filter resulted in a receiver that can determine if the sensitivity is raised. In addition, the order of the Butterworth filter range that does not reduce the sensitivity of the receiver was 2. Therefore, it will be possible to implement an inexpensive optical system of the receiver using the data from this study.
 Keywords
Butterworth;Filter;Optic;Order;Sensitivity;
 Language
Korean
 Cited by
 References
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