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Compensation of Laser Frequency Fluctuations and Phase Noise in 16-QAM Coherent Receivers
Frequency fluctuations caused by mechanical vibrations, power supply noise, and other mechanisms are detrimental to the phase estimator performance in high speed intradyne coherent optical receivers.Expand
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Performance of joint multiuser detection and group decoding for trellis coded DS-CDMA systems
TLDR
We show that JMDGD outperforms CMDTD in asynchronous trellis-coded DS-CDMA systems over high-interference AWGN channels. Expand
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Development of a leakage current meter using differential method
TLDR
We develop an instrument for measuring total leakage current by differential method intended to verify the safety requirements established by international standard IEC62353. Expand
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clean device - crystals
Research of NIR exposure levels in diagnostic MRI environments
TLDR
In view of concern regarding the possible adverse health effects that may be derived from exposure to non-ionizing radiation in the radio frequency spectrum, the evaluation of different exposure scenarios is needed. Expand
On multiuser receiver performance analysis and code design for space-time coded DS-CDMA systems
TLDR
The combination of space-time coding (STC) techniques and multiuser detection is a promising approach to increase the spectral efficiency of multiple-access channels. Expand
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