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Crosstalk noise is an intrinsic characteristic as well as a potential issue of photonic devices. In large scale optical networks-on-chips (ONoCs), crosstalk noise could cause severe performance degradation and prevent ONoC from communicating properly. The novel contribution of this paper is the systematical modeling and analysis of the crosstalk noise and the signal-to-noise ratio (SNR) of optical...
Cooperative networks have caught a lot attention these days because they provide diversity which mitigates the deleterious wireless channel fading effects. So far, numerous strategies have been proposed to collect the cooperative diversity. In the link-adaptive strategy, the relay node scales the decoded symbols according to the signal-to-noise ratio (SNR) of the source-relay and the relay-destination...
In pulse Doppler (PD) radar, a novel motion compensation method based on keystone transform is proposed for handling with the data of a low signal-to-noise ratio (SNR). The keystone transform is used to correct the linear range migration which results from the radial velocity of targets. The SNR is improved through coherently accumulating all pulses. The simulation results show that the performance...
This paper introduces the use of combined neural network model to guide model selection for detection of weak signal. It has been found that digital filters are not suitable for processing weak signals in noise, while wavelet neural network (WNN) is used to analyze weak digital signal and extract small-features. WNN is a time-frequency analysis adaptive system, which detects the subtle small changes...
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