振動・音響信号の時間-周波数2次元解析 : 代表的解析法の相互比較
Time-Frequency two-dimensional analysis of the simulated and measured signals : Comparisons on some representative methods

Tadahiro Ito, Takafumi Kizuki, Hajime Kitagawa, Satoshi Horihata, Shunsuke Ishimitsu
1994 Nihon Oyo Suri Gakkai ronbunshi  
Abstrao '. 閥or1 − stationary si &na 【 s 鵬ust be represented in the ti囹e − frequency t騨 o − di 囗ensional Plane , because frequencies of those signals evolve in ti 墨 e . 置 n this study , four rePresentative 団ethods ( SPectrogratu , ED, RID, 胃丁) are apP 且 ied to the two − dimens 薑 onai analysis , ChirP and i皿 Pulsive si 言nEしls, both si 皿ulated and 皿easured , are analyzed by those 皿 ethods . Comparisons are 皿ade among them , and it beco 国es clear that the
doi:10.11540/jsiamt.4.1_41 fatcat:5sdtldd3pje2dlwwxl6fs4ftpy