but eeg signals recorded in the ward exposed to various noises and interference is less effective in the eeg analysis 但是病床邊采集的腦電信號易受各類噪聲和干擾的影響,往往影響后面的分析效果。
bonato p et al . analysis of myoelectric signals recorded during dynamic contractions [ j ] . ieee engineering in medicine and biology, 1996, 4 : 102-111 唐向宏,賀振華,謝書琴.小波分析與應(yīng)用[m].1999,四川科學(xué)技術(shù)出版社
the ecg signal recorded not only can be sent to the monitoring center through telephone line but also can be transmitted to personal computer by wireless serial rs232 interface 所記錄的心電數(shù)據(jù)可通過電話線向監(jiān)護(hù)中心發(fā)送,也可通過無線rs232接口向微機(jī)傳送。
the system, a recording and playing speech system of program-digital-switchboard, can record several routes of speech at one time . it also can offer nice original speech signals records 程控?cái)?shù)字交換機(jī)錄放音系統(tǒng)能夠?qū)Χ嗦吩捯暨M(jìn)行實(shí)時(shí)錄音,能夠?yàn)橛脩籼峁?zhǔn)確的原始錄音記錄。
offset is a time presented in bytes ( different settings required different amount of memory to store sound data ) between the played signal and the same signal recorded by microphone 垂距是代表時(shí)間,以字節(jié)的形式(不同的設(shè)置要求不同的記憶體的數(shù)量存放聲音數(shù)據(jù))在播放的的信號和相同的信號之間由話筒記錄。