Основы измерений. Долгополов В.Т. - 18 стр.

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Jbk.13.
Ihjh] qm\kl\bl_evghklb.
Qj_af_jgZy qm\kl\bl_evghklv baf_jbl_evghc kbkl_fu [_kkfuke_ggZ, ihkdhevdm
jZgh beb iha^gh gZ \uoh^_ ihe_aguc kb]gZe [m^_l f_gvr_ rmfZ. Ihjh] qm\kl\bl_evghklb
baf_jbl_evghc kbkl_fu hij_^_ey_lky dZd gZbf_gvrbc h[gZjm`b\Z_fuc \oh^ghc kb]gZe.
IjbgpbibZevguc ihjh] qm\kl\bl_evghklb hij_^_ey_lky kemqZcgufb nemdlmZpbyfb \
baf_jy_fhf h[t_dl_ b baf_jbl_evghc kbkl_f_. Imklv baf_jy_fZy \_ebqbgZ x hklZ_lky
ihklhygghc, Z rmf, ijb\_^_gguc dh \uoh^m, bf__l ]Zmkkh\h jZkij_^_e_gb_ f
n
(y) c <Y>
=0. Ijb gZebqbb ihe_agh]h kb]gZeZ gZ \oh^_ iehlghklv jZkij_^_e_gby kb]gZeZ gZ \uoh^_
[m^_l bf_lv \b^ f
sn
(y)= f
n
(y)+<y> (kf. Jbk. 14.). Ij_^klZ\bf k_[_, qlh fu bf__f
_^bgkl\_ggh_ \u[hjhqgh_ agZq_gb_ \uoh^gh]h kb]gZeZ y. <\_^_f djbl_jbc h[gZjm`_gby,
kjZ\gb\Zy y k \_ebqbghc f
n
(y). ;m^_f kqblZlv kb]gZe h[gZjm`_gguf, _keb y>0.5<y>.
H[s_ijbgylhc f_jhc ihjh]Z qm\kl\bl_evghklb y\ey_lky lZdhc kb]gZe gZ \oh^_, ^ey
dhlhjh]h hlghr_gb_ kb]gZe-rmf gZ \uoh^_ jZ\gh _^bgbp_. <_jhylghklv h[gZjm`_gby
kb]gZeZ jZaebqghc Zfieblm^u \ _^bgbqghf baf_j_gbb ijb\_^_gZ gb`_ \ lZ[ebp_.
Jbk. 14.
                                      Jbk.13.
Ihjh] qm\kl\bl_evghklb.
      Qj_af_jgZy qm\kl\bl_evghklv baf_jbl_evghc kbkl_fu [_kkfuke_ggZ, ihkdhevdm
jZgh beb iha^gh gZ \uoh^_ ihe_aguc kb]gZe [m^_l f_gvr_ rmfZ. Ihjh] qm\kl\bl_evghklb
baf_jbl_evghc kbkl_fu hij_^_ey_lky dZd gZbf_gvrbc h[gZjm`b\Z_fuc \oh^ghc kb]gZe.
IjbgpbibZevguc ihjh] qm\kl\bl_evghklb hij_^_ey_lky kemqZcgufb nemdlmZpbyfb \
baf_jy_fhf h[t_dl_ b baf_jbl_evghc kbkl_f_. Imklv baf_jy_fZy \_ebqbgZ x hklZ_lky
ihklhygghc, Z rmf, ijb\_^_gguc dh \uoh^m, bf__l ]Zmkkh\h jZkij_^_e_gb_ fn (y) c 
=0. Ijb gZebqbb ihe_agh]h kb]gZeZ gZ \oh^_ iehlghklv jZkij_^_e_gby kb]gZeZ gZ \uoh^_
[m^_l bf_lv \b^ fsn (y)= fn (y)+ (kf. Jbk. 14.). Ij_^klZ\bf k_[_, qlh fu bf__f
_^bgkl\_ggh_ \u[hjhqgh_ agZq_gb_ \uoh^gh]h kb]gZeZ y. <\_^_f djbl_jbc h[gZjm`_gby,
kjZ\gb\Zy y k \_ebqbghc fn (y). ;m^_f kqblZlv kb]gZe h[gZjm`_gguf, _keb y>0.5.
H[s_ijbgylhc f_jhc ihjh]Z qm\kl\bl_evghklb y\ey_lky lZdhc kb]gZe gZ \oh^_, ^ey
dhlhjh]h hlghr_gb_ kb]gZe-rmf gZ \uoh^_ jZ\gh _^bgbp_. <_jhylghklv h[gZjm`_gby
kb]gZeZ jZaebqghc Zfieblm^u \ _^bgbqghf baf_j_gbb ijb\_^_gZ gb`_ \ lZ[ebp_.




                                                        Jbk. 14.