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\pdf_author "Черкас Максим"
\pdf_keywords "по всем вопросам обращаться сюда Dark_Spear@rambler.ru"
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\end_header

\begin_body

\begin_layout Section
Расчёт местного участка сети
\end_layout

\begin_layout Subsection
Пффф
\end_layout

\begin_layout Subsubsection
Хрррррр
\end_layout

\begin_layout Standard
\begin_inset Tabular
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<features tabularvalignment="middle">
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<row>
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\begin_inset Text

\begin_layout Plain Layout
Тип аппаратуры
\end_layout

\end_inset
</cell>
<cell alignment="center" valignment="top" topline="true" bottomline="true" leftline="true" rightline="true" usebox="none">
\begin_inset Text

\begin_layout Plain Layout
ИКМ-15
\end_layout

\end_inset
</cell>
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<row>
<cell alignment="center" valignment="top" topline="true" leftline="true" usebox="none">
\begin_inset Text

\begin_layout Plain Layout
Длина местной линии связи, км
\end_layout

\end_inset
</cell>
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\begin_inset Text

\begin_layout Plain Layout
90
\end_layout

\end_inset
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\begin_inset Text

\begin_layout Plain Layout
Тип кабеля
\end_layout

\end_inset
</cell>
<cell alignment="center" valignment="top" topline="true" leftline="true" rightline="true" usebox="none">
\begin_inset Text

\begin_layout Plain Layout
КСПП 1x4x0,9
\end_layout

\end_inset
</cell>
</row>
<row>
<cell alignment="center" valignment="top" topline="true" leftline="true" usebox="none">
\begin_inset Text

\begin_layout Plain Layout
Затухание участка регенерации, дБ
\end_layout

\end_inset
</cell>
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\begin_inset Text

\begin_layout Plain Layout
26\SpecialChar \ldots{}
46
\end_layout

\end_inset
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<row>
<cell alignment="center" valignment="top" topline="true" leftline="true" usebox="none">
\begin_inset Text

\begin_layout Plain Layout
Длина участка регенерации, км
\end_layout

\end_inset
</cell>
<cell alignment="center" valignment="top" topline="true" leftline="true" rightline="true" usebox="none">
\begin_inset Text

\begin_layout Plain Layout
4\SpecialChar \ldots{}
7,2
\end_layout

\end_inset
</cell>
</row>
<row>
<cell alignment="center" valignment="top" topline="true" leftline="true" usebox="none">
\begin_inset Text

\begin_layout Plain Layout
Максимальная длина секции ДП, км
\end_layout

\end_inset
</cell>
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50
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\end_inset
</cell>
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<row>
<cell alignment="center" valignment="top" topline="true" leftline="true" usebox="none">
\begin_inset Text

\begin_layout Plain Layout
Максимальное количество НРП в секции ДП
\end_layout

\end_inset
</cell>
<cell alignment="center" valignment="top" topline="true" leftline="true" rightline="true" usebox="none">
\begin_inset Text

\begin_layout Plain Layout
7
\end_layout

\end_inset
</cell>
</row>
<row>
<cell alignment="center" valignment="top" topline="true" bottomline="true" leftline="true" usebox="none">
\begin_inset Text

\begin_layout Plain Layout
Расчётная частота, кГц
\end_layout

\end_inset
</cell>
<cell alignment="center" valignment="top" topline="true" bottomline="true" leftline="true" rightline="true" usebox="none">
\begin_inset Text

\begin_layout Plain Layout
512
\end_layout

\end_inset
</cell>
</row>
</lyxtabular>

\end_inset


\end_layout

\begin_layout Part
Километричествое затухание: 
\begin_inset Formula $ $
\end_inset


\begin_inset Formula 
\begin{align}
\alpha(f_{\text{расч}}) & =9\sqrt{f_{\text{расч}}}\cdot\frac{x_{1}^{2}}{\underset{\overset{\sum fdsfsdf}{i=1}}{n}}\pi\cdot\gamma
\end{align}

\end_inset


\begin_inset Formula 
\begin{eqnarray}
2 & = & 3\\
3^{2} & = & 13\\
 & = & \text{x}
\end{eqnarray}

\end_inset


\end_layout

\begin_layout Subsection
аыв
\end_layout

\begin_layout Standard
\begin_inset Formula 
\begin{equation}
fff=M\sqrt{2332}\text{ь}
\end{equation}

\end_inset


\end_layout

\begin_layout Standard

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\emph off
\bar no
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\lang english
\begin_inset Formula 
\begin{equation}
33fsdfsdf23424cfds_{\text{аывfdg}}fsdfsd
\end{equation}

\end_inset


\end_layout

\begin_layout Standard

\lang english
\begin_inset Formula 
\begin{equation}
87t8yt8
\end{equation}

\end_inset


\end_layout

\begin_layout Standard
\begin_inset Formula $ $
\end_inset


\begin_inset Formula $\alpha(0,512)=6,4дБ/км$
\end_inset


\end_layout

\begin_layout Standard
Номинальная длина участка регенерации: 
\begin_inset Formula $l_{\text{ном}}=\dfrac{46}{6,4}\thickapprox7,2$
\end_inset


\end_layout

\begin_layout Standard
\begin_inset Formula $\text{k=\dfrac{L_{\text{местн}}}{l_{\text{ном}}}}$
\end_inset


\end_layout

\begin_layout Standard
\begin_inset Formula $\text{k=\dfrac{L_{\text{внутриз}}}{l_{\text{ном}}}}$
\end_inset


\end_layout

\begin_layout Standard
\begin_inset Formula $\text{k=\dfrac{L_{\text{магистр}}}{l_{\text{ном}}}}$
\end_inset


\end_layout

\begin_layout Standard
\begin_inset Formula $\text{\ensuremath{l_{\text{ост}}=L-k\cdot l_{\text{ном}}}}$
\end_inset


\end_layout

\begin_layout Standard
\begin_inset Formula $l_{\text{укор}}=\dfrac{n_{\text{секц}}\cdot l_{\text{ном}}+l_{\text{ост}}}{2\cdot n_{\text{секц}}}$
\end_inset


\begin_inset Formula $\log$
\end_inset


\end_layout

\begin_layout Standard
\begin_inset Formula $U_{\text{дп}}=I_{\text{дп}}\cdot R_{0}\cdot l_{\text{дп}}+U_{\text{нрп}}\cdot n$
\end_inset


\end_layout

\begin_layout Standard
\begin_inset Formula $A_{\text{з}}=20\lg\left(\dfrac{U_{mc}}{U_{\text{пом}}}\right)$
\end_inset


\end_layout

\begin_layout Standard
\begin_inset Formula $P_{\text{ош}}=B\cdot\left[1-\Phi\left(\dfrac{U_{\text{пор}}}{U_{\text{пом}}}\right)\right]$
\end_inset


\end_layout

\begin_layout Standard

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\lang english
\begin_inset Formula $U_{\text{пор}}=0,5\cdot U_{mc}$
\end_inset


\end_layout

\begin_layout Standard
\begin_inset Formula $P_{\text{ош1}}=\dfrac{P_{\text{ош м}}}{n}$
\end_inset


\end_layout

\begin_layout Standard
\begin_inset Formula $P_{\text{ош1}}=\dfrac{10^{-7}}{15}=6,7\cdot10^{-9}$
\end_inset


\end_layout

\begin_layout Standard
\begin_inset Formula $A_{\text{з треб местн}}=21,19$
\end_inset


\end_layout

\begin_layout Standard
\begin_inset Formula $A_{\text{з треб внутриз}}=21,63$
\end_inset


\end_layout

\begin_layout Standard
\begin_inset Formula $A_{\text{з треб магистр}}=21,74$
\end_inset


\end_layout

\begin_layout Standard
\begin_inset Formula $A_{\text{з реал}}=10\lg\left(\dfrac{P_{\text{сигнала}}}{P_{\text{собст п}}+P_{\text{п лин пер}}+P_{\text{п рег}}}\right)$
\end_inset


\end_layout

\begin_layout Standard
\begin_inset Formula $A_{\text{з реал}}=10\lg\left(\dfrac{1}{10^{-0,1A_{\text{з лин пер}}}+\eta_{\text{собст}}^{2}+\eta_{\text{рег}}^{2}}\right)$
\end_inset


\end_layout

\begin_layout Standard

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\shape up
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\emph off
\bar no
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\lang english
\begin_inset Formula $\eta_{\text{собст}}=\dfrac{k\cdot T\cdot\Delta F}{10^{0,1(p_{\text{пер}}-\alpha)}}$
\end_inset


\end_layout

\begin_layout Standard

\lang english
\begin_inset Formula $A_{\text{з лин пер}}=A_{0}-\alpha\cdot l_{\text{с.д.}}$
\end_inset


\end_layout

\begin_layout Standard
\begin_inset Formula $\eta_{\text{рег}}^{2}=0,0025$
\end_inset


\end_layout

\begin_layout Standard
\begin_inset Formula $P_{\text{ш.д.}}=\dfrac{1}{4}\omega_{\text{д}}^{2}\cdot U_{\text{сигн}}(\lambda_{n}^{2}+\beta_{n}^{2})$
\end_inset


\end_layout

\begin_layout Standard
\begin_inset Formula $A_{\text{з дискр}}=10\cdot\lg\left[\pi^{2}(a^{2}+b^{2})\right]^{-1}$
\end_inset


\end_layout

\begin_layout Standard
\begin_inset Formula $a=b=\sqrt{\dfrac{10^{-0,1A_{\text{з дискр}}}}{2\text{\pi}}}=2,825\cdot10^{-4}$
\end_inset


\end_layout

\begin_layout Standard
\begin_inset Formula $\lambda_{n}=2,825\cdot10^{-4}\cdot125\cdot10^{-6}=3,53\cdot10^{-8}$
\end_inset

 c 
\begin_inset Formula $=35,3$
\end_inset

 нс
\end_layout

\begin_layout Standard
\begin_inset Formula $P_{\text{ш кв}}=\dfrac{2\cdot U_{\text{огр}}^{2}\cdot\Delta F}{3\cdot2^{2m}\cdot f_{\text{д}}}$
\end_inset


\end_layout

\begin_layout Standard
\begin_inset Formula $A_{\text{з кв мин}}=10\lg\dfrac{P_{\text{с мин}}}{P_{\text{ш кв}}\cdot K_{\text{псоф}}^{2}}=6m-D_{c}+8,4$
\end_inset


\end_layout

\begin_layout Standard
\begin_inset Formula $P_{\text{макс}}=y_{0}+3\sigma_{y}+Q$
\end_inset


\end_layout

\begin_layout Standard
\begin_inset Formula $P_{\text{мин}}=y_{0}-3\sigma_{y}$
\end_inset


\end_layout

\begin_layout Standard
\begin_inset Formula $m=\dfrac{A_{\text{з кв мин}}+D_{c}-8,4}{6}$
\end_inset


\end_layout

\begin_layout Standard
\begin_inset Formula $A_{\text{з кв макс}}=A_{\text{з кв мин}}+D_{c}$
\end_inset


\end_layout

\begin_layout Standard
\begin_inset Formula $N_{\text{кв}}=2^{m}=2^{10}=1024$
\end_inset


\end_layout

\begin_layout Standard
\begin_inset Formula $\delta_{0}=\dfrac{2U_{\text{огр}}}{N_{\text{кв}}}=\dfrac{2\cdot4}{}$
\end_inset


\end_layout

\begin_layout Standard
\begin_inset Formula $x=\dfrac{U_{\text{вх}}}{U_{\text{огр}}}$
\end_inset


\end_layout

\begin_layout Standard
\begin_inset Formula $y=\dfrac{U_{\text{вых}}}{U_{\text{огр}}}$
\end_inset


\end_layout

\begin_layout Standard
\begin_inset Formula $y=\begin{cases}
\dfrac{A\cdot|x|}{1+\ln x}, & 0\leq|x|\leq\dfrac{1}{A}\\
\dfrac{1+\ln(A\cdot|x|)}{1+\ln A}, & \dfrac{1}{A}\leq|x|\geq1
\end{cases}$
\end_inset


\end_layout

\begin_layout Standard
\begin_inset Formula $\begin{cases}
R_{\text{кв мин}}\geq\dfrac{3N_{\text{кв}}^{2}\cdot A^{2}\cdot x^{2}}{(1+\ln A)^{2}} & \, x\leq\dfrac{1}{A}\\
\dfrac{3N_{\text{кв}}^{2}}{(1+\ln A)^{2}\cdot(1+\dfrac{1}{A^{2}x^{2}})}\leq R_{\text{кв мин}}\leq\dfrac{3N_{\text{кв}}^{2}}{(1+\ln A)^{2}} & \, x>\dfrac{1}{A}
\end{cases}$
\end_inset


\end_layout

\begin_layout Standard
\begin_inset Formula $P_{\text{и. ш. }}=\varepsilon^{2}\cdot4^{m}\cdot\delta_{0}^{2}$
\end_inset


\end_layout

\begin_layout Standard
\begin_inset Formula $\Pi=\dfrac{P_{\text{и. ш.}}}{P_{\text{ш. кв.}}}=12\cdot\varepsilon^{2}\cdot4^{m}$
\end_inset


\end_layout

\begin_layout Standard
\begin_inset Formula $\Pi=12\cdot\left(5\cdot10^{-4}\right)^{2}\cdot4^{11}$
\end_inset


\end_layout

\begin_layout Standard
\begin_inset Formula $P_{\text{н. к.}}=\dfrac{\delta_{0}^{2}}{4}\cdot K_{\text{п}}^{2}\cdot\dfrac{3,1}{4,0}$
\end_inset


\end_layout

\end_body
\end_document
