ΥڡϤƤʥ֥åޡɲΥڡޤϤƤʥ֥åޡ Υڡlivedoor åפɲΥڡޤlivedoor å

ܼ

ȿѴ

ȿ̤μȿѴϩȿѴϩȸƤ֡

㡧ѡإƥ*1Υ饸ǤϡȿΰۤʤʣɤƤ⡢˰ּȿˤʤ褦ˡȿѴ褦ˤʤäƤ롣

ȿѴϩǤϡȿΥڥȥʬۤѲ濴ȿѲ롣ȿܤǤ濴ȿѲ뤬ڥȥʬۤѲ롣

ϿμȿfinȯμȿfϿμȿfoutȤȡfout=ffinȤʤ롣

軻ϩѤˤȿѴ

Ū˼ȿѴϩϤɤΤ褦˼ȿѴԤäƤ뤫Ȥȡ軻ϩѤƤ롣軻ϩ2Ĥο軻ȡ2Ĥο¿ȺФȤǤ롣

ȯϩνϿAsin(2ft)ȿѴϩϿBsin(2fint)ȤȡϿϼΤ褦ˤʤ롣

A~\sin~2~\pi~ft~\times~B~\sin~2~\pi~f_{in}~t~=~\frac{AB}{2}~\{~\cos~2~\pi~\(~f~-~f_{in}~\)~t~-~\cos~2~\pi~\(~f~+~f_{in}~\)~t~\}

ϩѤˤȿѴ


*1 Ȥμȿ򡢤μȿ㤤μȿˤΤȡ