Основы измерений. Долгополов В.Т. - 39 стр.

UptoLike

ВУЗ: 

МФТИ | Москва

Составители: 

Рубрика: 

Ihkdhevdm gZijy`_gb_ f_`^m bg\_jlbjmxsbf \oh^hf b h[s_c rbghc U
n
= U
p
, lhd I
1
hij_^_eblky khhlghr_gb_f:
I
1
= (U
2
- U
p
) / R
1
<ke_^kl\b_ k\hckl\Z c) b^_Zevgh]h HM bf_ggh wlhl lhd ijhl_dZ_l ih khijhlb\e_gbx
R
2
. <uoh^gh_ gZijy`_gb_ mkbebl_ey \ lZdhf kemqZ_ jZ\gh:
U
\uo
= U
p
- I
1
R
2
Ih^klZ\b\ jZg__ \uibkZggu_ khhlghr_gby, ihemqbf:
.
Ijb \uiheg_gbb khhlghr_gby R
1
R
4
= R
2
R
3
,
U
\uo
= (U
1
- U
2
)R
2
/ R
1
G_ljm^gh m[_^blvky, qlh ihke_^gb_ khhlghr_gby kijZ\_^eb\u b \ kemqZ_, _keb \f_klh
j_abklhjh\ R
1
b R
2
\dexq_gu ^\moihexkgbdb, kh^_j`Zsb_ \ h[s_f kemqZ_ dhg^_gkZlhju
b dZlmrdb bg^mdlb\ghklb, k hi_jZlhjguf \oh^guf khijhlb\e_gb_f, khhl\_lkl\_ggh,
Z
1
(s) b Z
2
(s).
Bg\_jlbjmxs__ \dexq_gb_, ij_h[jZah\Zl_ev lhd- gZijy`_gb_.
JZkkfhljbf ko_fm, bah[jZ`_ggmx gZ Jbk. 42, \ dhlhjhc g_bg\_jlbjmxsbc \oh^
HM kh_^bgy_lky k h[s_c rbghc.
Jbk. 42.
Dhwnnbpb_gl mkbe_gby wlhc ko_fu jZ\_g 
   Ihkdhevdm gZijy`_gb_ f_`^m bg\_jlbjmxsbf \oh^hf b h[s_c rbghc Un = Up, lhd I1
hij_^_eblky khhlghr_gb_f:

                                    I1 = (U2 - Up) / R1

Страницы