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Search results for: noise
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Year: 2011, Volume: 11, Number: 1
... , j (4) i =1 Figure 1. Transmitter block scheme The noise samples, zt, j, are modeled as independent realizations of a complex ... random variable with variance N 0 2 for each dimension. The signal-to-noise ratio (SNR) is defined as E N 0. E is the transmitted energy for ...
Year: 2011, Volume: 11, Number: 2
... the multi-user interference (MUI) generality, that: performance over additive white Gaussian noise (AWGN). ‚ User 1 is the desired user and other N ... TH-IR-UWB BPPM system model. In Section 3 the inaccurate for a medium and large signal-to-noise ratio (SNR). accurate analytical expression for BPPM error probability is It ...
Year: 2010, Volume: 10, Issue: 4
... , be the most realistic in microcellular radio communications with the strongest signal assuming equal noise power among systems. The performance analysis includes the channel correlation effect since in ... In general, branch with investigation is important since such environment seems to the highest signal-to-noise ratio (SNR) (or equivalently, be the most realistic in microcellular ...
Year: 2017, Volume: 17, Number: 3
... degree of freedom As known, the control performance decreases due to the sensor measurement noise which results in excessive change of pure derivative output. To reduce the effects ... electromagnetic conveyance of the steel plates should provide precise posi- tioning and vibration-free, noise-free, contact-free working conditions. As the magnetic levitation systems meet all these requirements ...
Year: 2019, Volume: 19, Number: 1
... from the signal-to-interference proposed study. Finally, we optimize the power allocation of plus noise ratio (SINR) degradation at each receiver. Thus, the PU transmitter ... the SER of conventional models [1-2]. Spectrum utilization can be the end-to-end signal-to-noise ratio (SNR) when all increased by allowing the unlicensed secondary users ( ...
Year: 2015, Volume: 15, Number: 2
... factor and d is the physical realisation advantage of identifying signals in the presence of noise [1 ], generated time shift. while displaying a filtering gain proportional ... are kept at a high, (LTI) filter, which maximizes the receiver signal-to-noise desired level. ratio (SNR). By using the likelihood criterion, ...
Year: 2021, Volume: 21, Number: 2
... and Qk I SC 2( ref) € smooth (7) are measurement noise covariance and process noise V SC 2 covariance, respectively. A PI regulator ... of the to LPF is chosen as 0.6 s. system when it contains random noises. This approach is In the KF based weighted average approach, the inspired ...
Year: 2013, Volume: 13, Number: 3
... used delay [8 ,9]. Chen et al present a model of noise and for speech envelope estimation. And referring to the observation error in log ... of noisy speech signal The existing noise in speech signal further increases the Add white noises, which are irrelevant to each other and difficulty of time delay estimation. ...
Year: 2011, Volume: 11, Number: 3
... , taking a perpendicular offset into of this error and of the average signal to noise ratios of account, indicate the nearest outer wall and an approximate available satellites ... as large as these for the outer positions. This also reflects in the mean signal-to-noise ratios. However, these absolute values can be thought of as time and ...
Year: 2019, Volume: 19, Number: 2
... Volume 19, Number 2, 2019 IV. RESULTS proposed methodology, even in noise presence. In order to prove the viability of the RSTFT technique, Fig ... localized for broken rotor bars failure to 60 Hz. Additionally, a 0.3 dB Signal-to-Noise ratio level from 0 to 60 Hz for 50 Hz signal, 0 to ...
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