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Dokument w LaTeXu do pracy domowej z Lab 4 z PR
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\documentclass[12pt,fleqn]{article} | |
\usepackage[utf8]{inputenc} | |
\usepackage[margin=1in]{geometry} | |
\usepackage[bookmarks]{hyperref} | |
\usepackage{polski} | |
\usepackage[polish]{babel} | |
\usepackage{indentfirst} | |
\usepackage{graphicx} | |
\usepackage{float} | |
\usepackage{amsmath} | |
\usepackage{amsthm} | |
\let\lll\undefined | |
\usepackage{amssymb} | |
\usepackage{amsfonts} | |
\usepackage{siunitx} | |
\usepackage{esint} | |
\usepackage{multicol} | |
\usepackage{xcolor} | |
\usepackage{lmodern} | |
\usepackage[T1]{fontenc} | |
\sisetup{ | |
exponent-product = \cdot, | |
input-product = *, | |
output-product = \cdot, | |
quotient-mode = fraction, | |
per-mode = fraction, | |
} | |
\newenvironment{bottompar}{\par\vspace*{\fill}}{\clearpage} | |
\title{ | |
Podstawy Radiokomunikacji \\ | |
\large Praca domowa – Laboratorium nr 4} | |
\author{Błażej Sewera} | |
\date{23 kwietnia 2020} | |
\begin{document} | |
\maketitle | |
\section{Dane} | |
{\bfseries Wariant 9} | |
\par Antena 1: $h = 100 \si{\milli\meter}$ | |
\par Antena 2: $h = 153 \si{\milli\meter}$ | |
\section{Rozwiązanie} | |
\subsection{Antena 1} | |
\subsubsection{Częstotliwość rezonansowa} | |
\begin{equation*} | |
\lambda | |
= \num{4*100} \si{\milli\meter} | |
= \SI{4e-1}{\meter} | |
\end{equation*} | |
\begin{equation*} | |
f | |
= \frac{c}{\lambda} | |
= \frac{\SI{3e8}{\meter\per\second}}{\SI{4e-1}{\meter}} | |
= \SI{7.5e8}{\hertz} | |
= \SI{0.75}{\giga\hertz} | |
\end{equation*} | |
\subsubsection{Wyrażenie długości anteny w dł. fali} | |
\begin{equation*} | |
\lambda_{1.35} | |
= \frac{c}{f_{1.35}} | |
= \frac{\SI{3e8}{\meter\per\second}}{\SI{1.35e9}{\hertz}} | |
\approx \SI{0.222222}{\meter} = \SI{222.222}{\milli\meter} | |
\end{equation*} | |
\begin{equation*} | |
n | |
= \frac{h}{\lambda_{1.35}} | |
= \frac{\SI{100}{\milli\meter}}{\SI{222.222}{\milli\meter}} | |
\approx 0.45 | |
\end{equation*} | |
\begin{equation*} | |
h = 0.45 \cdot \lambda_{1.35} | |
\end{equation*} | |
\subsubsection{Charakterystyka kierunkowa} | |
\begin{equation*} | |
F(\theta) | |
= \left| | |
\frac { | |
\cos \left( | |
\frac{k l \cdot \cos\theta}{2} | |
\right) | |
- \cos \left( | |
\frac{k l}{2} | |
\right) | |
} { | |
\sin\theta | |
} | |
\right| | |
\end{equation*} | |
\begin{equation*} | |
k = \frac{2\pi}{\lambda_{1.35}} | |
\end{equation*} | |
\begin{equation*} | |
l = 2 \cdot h = 2 \cdot 0.45 \cdot \lambda_{1.35} = 0.9 \cdot \lambda_{1.35} | |
\end{equation*} | |
\begin{figure}[H] | |
\begin{center} | |
\includegraphics[scale=0.8]{fig/pole_elektryczne_a1.pdf} | |
\end{center} | |
\caption{Charakterystyka kierunkowa anteny w płaszczyźnie wektora pola | |
elektrycznego znormalizowana do wartości maksymalnej} | |
\end{figure} | |
\begin{figure}[H] | |
\begin{center} | |
\includegraphics[scale=0.8]{fig/pole_magnetyczne_a1.pdf} | |
\end{center} | |
\caption{Charakterystyka kierunkowa anteny w płaszczyźnie wektora pola | |
magnetycznego znormalizowana do wartości maksymalnej} | |
\end{figure} | |
\subsection{Antena 2} | |
\subsubsection{Częstotliwość rezonansowa} | |
\begin{equation*} | |
\lambda | |
= \num{4*153} \si{\milli\meter} | |
= \SI{6.21e-1}{\meter} | |
\end{equation*} | |
\begin{equation*} | |
f | |
= \frac{c}{\lambda} | |
= \frac{\SI{3e8}{\meter\per\second}}{\SI{6.21e-1}{\meter}} | |
= \SI{4.83e8}{\hertz} | |
= \SI{0.483}{\giga\hertz} | |
\end{equation*} | |
\subsubsection{Wyrażenie długości anteny w dł. fali} | |
\begin{equation*} | |
\lambda_{1.35} | |
= \frac{c}{f_{1.35}} | |
= \frac{\SI{3e8}{\meter\per\second}}{\SI{1.35e9}{\hertz}} | |
\approx \SI{0.222222}{\meter} = \SI{222.222}{\milli\meter} | |
\end{equation*} | |
\begin{equation*} | |
n | |
= \frac{h}{\lambda_{1.35}} | |
= \frac{\SI{153}{\milli\meter}}{\SI{222.222}{\milli\meter}} | |
\approx 0.69 | |
\end{equation*} | |
\begin{equation*} | |
h = 0.69 \cdot \lambda_{1.35} | |
\end{equation*} | |
\subsubsection{Charakterystyka kierunkowa} | |
\begin{equation*} | |
F(\theta) | |
= \left| | |
\frac { | |
\cos \left( | |
\frac{k l \cdot \cos\theta}{2} | |
\right) | |
- \cos \left( | |
\frac{k l}{2} | |
\right) | |
} { | |
\sin\theta | |
} | |
\right| | |
\end{equation*} | |
\begin{equation*} | |
k = \frac{2\pi}{\lambda_{1.35}} | |
\end{equation*} | |
\begin{equation*} | |
l = 2 \cdot h = 2 \cdot 0.69 \cdot \lambda_{1.35} = 1.38 \cdot \lambda_{1.35} | |
\end{equation*} | |
\begin{figure}[H] | |
\begin{center} | |
\includegraphics[scale=0.8]{fig/pole_elektryczne_a2.pdf} | |
\end{center} | |
\caption{Charakterystyka kierunkowa anteny w płaszczyźnie wektora pola | |
elektrycznego znormalizowana do wartości maksymalnej} | |
\end{figure} | |
\begin{figure}[H] | |
\begin{center} | |
\includegraphics[scale=0.8]{fig/pole_magnetyczne_a2.pdf} | |
\end{center} | |
\caption{Charakterystyka kierunkowa anteny w płaszczyźnie wektora pola | |
magnetycznego znormalizowana do wartości maksymalnej} | |
\end{figure} | |
\begin{bottompar} | |
{\footnotesize \ttfamily Źródła: | |
\par \href{https://gist.github.com/jazzsewera/00209cff06119590dfc5c63d61de8af0}{Wykresy -- python + matplotlib} | |
\par \href{https://gist.github.com/jazzsewera/f1cc7a81758ea69564d3cecf28a62b86}{Dokument -- LaTeX}} | |
\end{bottompar} | |
\end{document} |
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