The studies include development of generating system of 12-lead synchronous abnormal ECG waveform database, wavelet based QRS complex detection algorism and waveform analysis.

建立了12导联同步心电异常波形数据库生成系统，并在此基础上研究了12导联心电图实时分析与基于小波变换的QRS波自动识别算法。

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Users connect their audio source to the player via analog audio input, and the player compares 15 seconds of waveform data with its internal "FingerPrints" database, matching the song up with its corresponding information from MusicID.

ENGADGET: Nagase TRANSGEAR HMP-100 features local Gracenote DB