the second experiment explores the stochastic resonance phenomenon in human sensory system . it can conclude from the result that electrical noise may enhance the ability of humans to detect sub-threshold vibration stimulus 一個(gè)實(shí)驗(yàn)是對(duì)該儀器的測(cè)量重復(fù)性進(jìn)行考察,另一個(gè)實(shí)驗(yàn)對(duì)電噪聲增強(qiáng)振動(dòng)感覺的隨機(jī)共振現(xiàn)象進(jìn)行了驗(yàn)證。