w
ָˮwU|ке܉wζē]l(f)|ͨ^՚|˵Xٶ֪һNXȾǵ͵Ĺ֮һS˂ˮƽIJ(yu)mĭh(hun)ҪΣԽԽҕ퐺ȾhОҡʮ塱h(hun)cPĿ֮һ
ȾāԴ
1r(nng)I(y)r(nng)I(y)ψˮa(chn)ӹSa(chn)ĐS~Ұ˳ȶr(nng)I(y)a(chn)ͼӹЮa(chn)SB(yng)ֳİl(f)չҎ(gu)ģ(jng)IUB(yng)ֳζѳɞ鮐ζȾɺҕ
2I(y)I(y)a(chn)Юa(chn)Đa(chn)ҪTУʯ;ƏSʯͻSʏSr(nng)ˎSͿSzSƤS@ЩTa(chn)Đ|ȩͪԼrNЙC܄ζNyI(y)ɐȾҪ֮һcΌ
3йOʩˮӵܾW(wng)ˮ̎St(y)ԺȹOʩa(chn)ĐƩˮt(y)ˎֵһSͺӵˮa(chn)ĐѳɞҪĐȾԴӰ푳ǝڵIJء
wȾһN͵ĭh(hun)ўJٰl(f)_ҌһNйMоʩ⌦ȾҲ_չ^磬ձWĶI(y)I̶ʽ̿Óȼgһvʷ҇Ҳ_ʼҕıO(jin)ycΣӆ˲ŷŘ˜ʣGB 14554-93ķȾķĿ֮һҪ_GB 14554-93Ҏ(gu)Đ|װ̼ͱϩȣŷŘ˜KĿҪ(chung)һoĹh(hun)һN|ij⏊SLԇ߶ӏ(j)Yϱo˵ĸXȣc|XĴ̼ČȔ(sh)֮gPϵWeber-Fechner
I = K logC + a 1
ʽУI ˌXĸX⏊
K (sh)|ͬKֵͬ
C
a (sh)|ͬaֵͬ
ʽ1fʹѐ|ȥ90˵XXȅsֻpһ߀@Q˷ΐȷȾyҪ琺_ŷŘ˜߀Ҫʮǧ˼ӏȾ@ȞҪ
ĿǰH퐺ֶҪã1, ֱȼ2, .3, .4, ̿.5, ˎҺܷ.6,オⷨȵ.ڲ̶ͬϴOͶYߣ\гɱ̎С(wn)ÓЧʲڶȾȵȆ}