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This paper presents a comparison between two different technologies of acquisition systems (BrainNet36 and Emotiv Epoc) for an Independent-BCI based on Steady-State Visual Evoked Potential (SSVEP). Two stimuli separated by a viewing angle < 1° were used. Multivariate Synchronization Index (MSI) technique was used as feature extractor and five subjects participated in the experiments. The class...
The six-port receiver concept offers new possibilities on the way towards a multimode low cost receiver frontend for highest frequencies. The expense for the reduced effort on analog side is a higher complexity in digital signal processing. After a comparison between conventional and six-port receiver technology this paper offers a solution to implement a complete communication link including frequency,...
An oestrous synchronization study was conducted on 202 Dorper ewes kept under extensive veld conditions of South Africa, during the transition period from the natural breeding to the anoestrus season. Two types of intravaginal progestagen sponges, namely MAP (60mg) (n=102) and FGA (40mg) (n=100), three times of PMSG administration relative to sponge withdrawal (24h before (n=59), at (n=56) or 24h...
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