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5、5 (electromechanical pickup): , (, , . .) .3.6 () (displacement): , .3.7 () (velocity): , - .3.8 () (acceleration): , - .3.9 () (wave filter): , - .3.10 (band-pass filter): , , , 0, .3.11 ( ) (pass-band): .3.12 ( ) (nominal lower and upper cut-off frequencies) f f: , 3 .3.13 (root-mean-square veloci
6、ty; r.m.s. vr.m.s.(t) v.(t), /, : - , . -.3.14 (exponential meaneffective e.m.e velocity ve.m.e.(t) v.(t), /: -, , - . - .3.15 (period): -, .3.16 (peak) P, /: - . .2 52545.120064 4.1 1 , - .4.2 4.2.1 , / . , -. 2 :- , , . 2a;- , . 2;- , . . , - , . 2, ;- , . . , , . - 2;- , . . , - , . 2, .3 52545.12006 1 , 2 4.2.2 , , . . . , , . , - , . , - .4.3 - , , - . , , , , - . - . 4 52545.12006 , Y Z = Z ;D ;c113 .
