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67<h1>sigfun.cpp File Reference</h1>Implementation of signal processing functions. 
68<a href="#_details">More...</a>
69<p>
70<code>#include &lt;<a class="el" href="sigfun_8h-source.html">itpp/signal/sigfun.h</a>&gt;</code><br>
71<code>#include &lt;<a class="el" href="transforms_8h-source.html">itpp/signal/transforms.h</a>&gt;</code><br>
72<code>#include &lt;<a class="el" href="window_8h-source.html">itpp/signal/window.h</a>&gt;</code><br>
73<code>#include &lt;<a class="el" href="converters_8h-source.html">itpp/base/converters.h</a>&gt;</code><br>
74<code>#include &lt;<a class="el" href="elem__math_8h-source.html">itpp/base/math/elem_math.h</a>&gt;</code><br>
75<code>#include &lt;<a class="el" href="matfunc_8h-source.html">itpp/base/matfunc.h</a>&gt;</code><br>
76<code>#include &lt;<a class="el" href="specmat_8h-source.html">itpp/base/specmat.h</a>&gt;</code><br>
77<code>#include &lt;<a class="el" href="misc__stat_8h-source.html">itpp/stat/misc_stat.h</a>&gt;</code><br>
78<table border="0" cellpadding="0" cellspacing="0">
79<tr><td></td></tr>
80<tr><td colspan="2"><br><h2>Functions</h2></td></tr>
81<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classitpp_1_1Vec.html#e83c1408740e41a7e29c383b71d4d544">cvec</a>&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__sigproc.html#g05bea498eb6e95267115bbb475cd941d">itpp::xcorr</a> (const <a class="el" href="classitpp_1_1Vec.html#e83c1408740e41a7e29c383b71d4d544">cvec</a> &amp;x, const int max_lag=-1, const std::string scaleopt=&quot;none&quot;)</td></tr>
82
83<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Cross Correlation.  <a href="group__sigproc.html#g05bea498eb6e95267115bbb475cd941d"></a><br></td></tr>
84<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classitpp_1_1Vec.html#e83c1408740e41a7e29c383b71d4d544">cvec</a>&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__sigproc.html#g9892728c9821cd23e054947d25cd53b7">itpp::xcorr</a> (const <a class="el" href="classitpp_1_1Vec.html#e83c1408740e41a7e29c383b71d4d544">cvec</a> &amp;x, const <a class="el" href="classitpp_1_1Vec.html#e83c1408740e41a7e29c383b71d4d544">cvec</a> &amp;y, const int max_lag=-1, const std::string scaleopt=&quot;none&quot;)</td></tr>
85
86<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Cross Correlation.  <a href="group__sigproc.html#g9892728c9821cd23e054947d25cd53b7"></a><br></td></tr>
87<tr><td class="memItemLeft" nowrap align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__sigproc.html#g8642d544e6349c4d1dbcb27cd854d988">itpp::xcorr</a> (const <a class="el" href="classitpp_1_1Vec.html#e83c1408740e41a7e29c383b71d4d544">cvec</a> &amp;x, const <a class="el" href="classitpp_1_1Vec.html#e83c1408740e41a7e29c383b71d4d544">cvec</a> &amp;y, <a class="el" href="classitpp_1_1Vec.html#e83c1408740e41a7e29c383b71d4d544">cvec</a> &amp;out, const int max_lag=-1, const std::string scaleopt=&quot;none&quot;, bool autoflag=true)</td></tr>
88
89<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Cross Correlation.  <a href="group__sigproc.html#g8642d544e6349c4d1dbcb27cd854d988"></a><br></td></tr>
90<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classitpp_1_1Mat.html#6bba394f181c76fda12759568986c613">mat</a>&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__sigproc.html#g1337b4e0a3946b967572f05e8f8a64a9">itpp::cov</a> (const <a class="el" href="classitpp_1_1Mat.html#6bba394f181c76fda12759568986c613">mat</a> &amp;X, bool is_zero_mean=false)</td></tr>
91
92<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Covariance matrix calculation.  <a href="group__sigproc.html#g1337b4e0a3946b967572f05e8f8a64a9"></a><br></td></tr>
93<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classitpp_1_1Vec.html#02e1bb55f60f3c2eb7a020eb1c2cfcf4">vec</a>&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__sigproc.html#g771b5d7ed5b5e0d5ff283a2b360a2b94">itpp::spectrum</a> (const <a class="el" href="classitpp_1_1Vec.html#02e1bb55f60f3c2eb7a020eb1c2cfcf4">vec</a> &amp;v, int nfft=256, int noverlap=0)</td></tr>
94
95<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Power spectrum calculation.  <a href="group__sigproc.html#g771b5d7ed5b5e0d5ff283a2b360a2b94"></a><br></td></tr>
96<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classitpp_1_1Vec.html#02e1bb55f60f3c2eb7a020eb1c2cfcf4">vec</a>&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__sigproc.html#g24804e1227fb135d6117652a417b44c0">itpp::spectrum</a> (const <a class="el" href="classitpp_1_1Vec.html#02e1bb55f60f3c2eb7a020eb1c2cfcf4">vec</a> &amp;v, const <a class="el" href="classitpp_1_1Vec.html#02e1bb55f60f3c2eb7a020eb1c2cfcf4">vec</a> &amp;w, int noverlap=0)</td></tr>
97
98<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Power spectrum calculation.  <a href="group__sigproc.html#g24804e1227fb135d6117652a417b44c0"></a><br></td></tr>
99<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classitpp_1_1Vec.html#02e1bb55f60f3c2eb7a020eb1c2cfcf4">vec</a>&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__sigproc.html#gf90f15e8bf19424c1445d9a95970f1a2">itpp::filter_spectrum</a> (const <a class="el" href="classitpp_1_1Vec.html#02e1bb55f60f3c2eb7a020eb1c2cfcf4">vec</a> &amp;a, int nfft=256)</td></tr>
100
101<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Power spectrum calculation of a filter.  <a href="group__sigproc.html#gf90f15e8bf19424c1445d9a95970f1a2"></a><br></td></tr>
102<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classitpp_1_1Vec.html#02e1bb55f60f3c2eb7a020eb1c2cfcf4">vec</a>&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__sigproc.html#g24b2eabb9969e7ca90b75757bf239868">itpp::filter_spectrum</a> (const <a class="el" href="classitpp_1_1Vec.html#02e1bb55f60f3c2eb7a020eb1c2cfcf4">vec</a> &amp;a, const <a class="el" href="classitpp_1_1Vec.html#02e1bb55f60f3c2eb7a020eb1c2cfcf4">vec</a> &amp;b, int nfft=256)</td></tr>
103
104<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Power spectrum calculation of a filter.  <a href="group__sigproc.html#g24b2eabb9969e7ca90b75757bf239868"></a><br></td></tr>
105<tr><td colspan="2"><div class="groupHeader"></div></td></tr>
106<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classitpp_1_1Vec.html#02e1bb55f60f3c2eb7a020eb1c2cfcf4">vec</a>&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__sigproc.html#gc55897f3d77e7b9dba90d5c738c027e2">itpp::xcorr_old</a> (const <a class="el" href="classitpp_1_1Vec.html#02e1bb55f60f3c2eb7a020eb1c2cfcf4">vec</a> &amp;x, const int max_lag=-1, const std::string scaleopt=&quot;none&quot;)</td></tr>
107
108<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Auto-correlation calculation.  <a href="group__sigproc.html#gc55897f3d77e7b9dba90d5c738c027e2"></a><br></td></tr>
109<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="g344118b70e6d7b1d5f4728d8ba261f96"></a><!-- doxytag: member="sigfun.cpp::xcorr" ref="g344118b70e6d7b1d5f4728d8ba261f96" args="(const vec &amp;x, const int max_lag, const std::string scaleopt)" -->
110<a class="el" href="classitpp_1_1Vec.html#02e1bb55f60f3c2eb7a020eb1c2cfcf4">vec</a>&nbsp;</td><td class="memItemRight" valign="bottom"><b>itpp::xcorr</b> (const <a class="el" href="classitpp_1_1Vec.html#02e1bb55f60f3c2eb7a020eb1c2cfcf4">vec</a> &amp;x, const int max_lag, const std::string scaleopt)</td></tr>
111
112<tr><td colspan="2"><div class="groupHeader"></div></td></tr>
113<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="gd62951ec0b8111086d95e87cffc61673"></a><!-- doxytag: member="sigfun.cpp::xcorr" ref="gd62951ec0b8111086d95e87cffc61673" args="(const vec &amp;x, const vec &amp;y, const int max_lag, const std::string scaleopt)" -->
114<a class="el" href="classitpp_1_1Vec.html#02e1bb55f60f3c2eb7a020eb1c2cfcf4">vec</a>&nbsp;</td><td class="memItemRight" valign="bottom"><b>itpp::xcorr</b> (const <a class="el" href="classitpp_1_1Vec.html#02e1bb55f60f3c2eb7a020eb1c2cfcf4">vec</a> &amp;x, const <a class="el" href="classitpp_1_1Vec.html#02e1bb55f60f3c2eb7a020eb1c2cfcf4">vec</a> &amp;y, const int max_lag, const std::string scaleopt)</td></tr>
115
116<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classitpp_1_1Vec.html#02e1bb55f60f3c2eb7a020eb1c2cfcf4">vec</a>&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__sigproc.html#ge54c6432788931199ec028848c30accc">itpp::xcorr_old</a> (const <a class="el" href="classitpp_1_1Vec.html#02e1bb55f60f3c2eb7a020eb1c2cfcf4">vec</a> &amp;x, const <a class="el" href="classitpp_1_1Vec.html#02e1bb55f60f3c2eb7a020eb1c2cfcf4">vec</a> &amp;y, const int max_lag=-1, const std::string scaleopt=&quot;none&quot;)</td></tr>
117
118<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Cross-correlation calculation.  <a href="group__sigproc.html#ge54c6432788931199ec028848c30accc"></a><br></td></tr>
119<tr><td colspan="2"><div class="groupHeader"></div></td></tr>
120<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="g1f99701e2b0eba376159faf1fe954c88"></a><!-- doxytag: member="sigfun.cpp::xcorr" ref="g1f99701e2b0eba376159faf1fe954c88" args="(const vec &amp;x, const vec &amp;y, vec &amp;out, const int max_lag, const std::string scaleopt)" -->
121void&nbsp;</td><td class="memItemRight" valign="bottom"><b>itpp::xcorr</b> (const <a class="el" href="classitpp_1_1Vec.html#02e1bb55f60f3c2eb7a020eb1c2cfcf4">vec</a> &amp;x, const <a class="el" href="classitpp_1_1Vec.html#02e1bb55f60f3c2eb7a020eb1c2cfcf4">vec</a> &amp;y, <a class="el" href="classitpp_1_1Vec.html#02e1bb55f60f3c2eb7a020eb1c2cfcf4">vec</a> &amp;out, const int max_lag, const std::string scaleopt)</td></tr>
122
123<tr><td class="memItemLeft" nowrap align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__sigproc.html#g0b2356993f9e980f0fb2a26e06fcb1e4">itpp::xcorr_old</a> (const <a class="el" href="classitpp_1_1Vec.html#02e1bb55f60f3c2eb7a020eb1c2cfcf4">vec</a> &amp;x, const <a class="el" href="classitpp_1_1Vec.html#02e1bb55f60f3c2eb7a020eb1c2cfcf4">vec</a> &amp;y, <a class="el" href="classitpp_1_1Vec.html#02e1bb55f60f3c2eb7a020eb1c2cfcf4">vec</a> &amp;out, const int max_lag=-1, const std::string scaleopt=&quot;none&quot;)</td></tr>
124
125<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Cross-correlation calculation.  <a href="group__sigproc.html#g0b2356993f9e980f0fb2a26e06fcb1e4"></a><br></td></tr>
126</table>
127<hr><a name="_details"></a><h2>Detailed Description</h2>
128Implementation of signal processing functions.
129<p>
130<dl class="author" compact><dt><b>Author:</b></dt><dd>Tony Ottosson, Thomas Eriksson, Pal Frenger, and Tobias Ringstrom</dd></dl>
131-------------------------------------------------------------------------<p>
132Copyright (C) 1995-2008 (see AUTHORS file for a list of contributors)<p>
133This file is part of IT++ - a C++ library of mathematical, signal processing, speech processing, and communications classes and functions.<p>
134IT++ is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.<p>
135IT++ is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.<p>
136You should have received a copy of the GNU General Public License along with IT++. If not, see &lt;<a href="http://www.gnu.org/licenses/">http://www.gnu.org/licenses/</a>&gt;.<p>
137------------------------------------------------------------------------- </div>
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