diff options
Diffstat (limited to 'help/en_US/scilab_en_US_help/istrellis.html')
| -rw-r--r-- | help/en_US/scilab_en_US_help/istrellis.html | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/help/en_US/scilab_en_US_help/istrellis.html b/help/en_US/scilab_en_US_help/istrellis.html new file mode 100644 index 0000000..5c9f2c2 --- /dev/null +++ b/help/en_US/scilab_en_US_help/istrellis.html @@ -0,0 +1,98 @@ +<html><head> + <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> + <title>istrellis</title> + <style type="text/css" media="all"> + @import url("scilab_code.css"); + @import url("xml_code.css"); + @import url("c_code.css"); + @import url("style.css"); + </style> + </head> + <body> + <div class="manualnavbar"> + <table width="100%"><tr> + <td width="30%"> + <span class="previous"><a href="iscatastrophic.html"><< iscatastrophic</a></span> + + </td> + <td width="40%" class="center"> + <span class="top"><a href="section_1f049b1e3111e3d1d538e7603f77f589.html">FOSSEE_Communication_Systems_Toolbox</a></span> + + </td> + <td width="30%" class="next"> + <span class="next"><a href="lteZadoffChuSeq.html">lteZadoffChuSeq >></a></span> + + </td> + </tr></table> + <hr /> + </div> + + + + <span class="path" dir="ltr"><a href="index.html">FOSSEE_Communication_Systems_Toolbox</a> >> <a href="section_1f049b1e3111e3d1d538e7603f77f589.html">FOSSEE_Communication_Systems_Toolbox</a> > istrellis</span> + + <br /><br /> + <div class="refnamediv"><h1 class="refname">istrellis</h1> + <p class="refpurpose">This function checks if the given input is of trellis structure</p></div> + + +<div class="refsection"><h3 class="title">Description</h3> + <p class="para">[ISOK, STATUS] = ISTRELLIS(S) returns [T,''] if the given input is valid trellis structure. Otherwise ISOK is F and STATUS +indicates the reason for invalidity</p> + <p class="para">Fields in trellis structure are +numInputSymbols, (number of input symbols) +numOutputSymbols, (number of output symbols) +numStates, (number of states) +nextStates, (next state matrix) +outputs, (output matrix)</p> + <p class="para">Properties of the fields are as follows +numInputSymbols and numOutputSymbols should be a power of 2 (as data is represented in bits). +The 'nextStates' and 'outputs' fields are matrices of size 'numStates' x 'numInputSymbols' . +Each element in the 'nextStates' matrix and 'output' matrix is an integer value between zero and (numStates-1). +The (r,c) element of the 'nextStates' matrix and 'output' matrix,denotes the next state and output respectively when +the starting state is (r-1) and the input bits have decimal representation (c-1).</p> + <p class="para">To convert to decimal value, use the first input bit as the most significant bit (MSB).</p> + <p class="para"></p></div> + +<div class="refsection"><h3 class="title">Examples</h3> + <div class="programlisting"><table border="0" width="100%"><tr><td width="98%"><pre class="scilabcode"><span class="scilabid">Valid</span> <span class="scilabid">trellis</span> <span class="scilabid">structure</span> +<span class="scilabid">trellis</span><span class="scilaboperator">.</span><span class="scilabfield">numInputSymbols</span> <span class="scilaboperator">=</span> <span class="scilabnumber">4</span><span class="scilabdefault">;</span> +<span class="scilabid">trellis</span><span class="scilaboperator">.</span><span class="scilabfield">numOutputSymbols</span> <span class="scilaboperator">=</span> <span class="scilabnumber">4</span><span class="scilabdefault">;</span> +<span class="scilabid">trellis</span><span class="scilaboperator">.</span><span class="scilabfield">numStates</span> <span class="scilaboperator">=</span> <span class="scilabnumber">3</span><span class="scilabdefault">;</span> +<span class="scilabid">trellis</span><span class="scilaboperator">.</span><span class="scilabfield">nextStates</span> <span class="scilaboperator">=</span> <span class="scilabopenclose">[</span><span class="scilabnumber">0</span> <span class="scilabnumber">1</span> <span class="scilabnumber">2</span> <span class="scilabnumber">1</span><span class="scilabdefault">;</span><span class="scilabnumber">0</span> <span class="scilabnumber">1</span> <span class="scilabnumber">2</span> <span class="scilabnumber">1</span><span class="scilabdefault">;</span> <span class="scilabnumber">0</span> <span class="scilabnumber">1</span> <span class="scilabnumber">2</span> <span class="scilabnumber">1</span><span class="scilabopenclose">]</span><span class="scilabdefault">;</span> +<span class="scilabid">trellis</span><span class="scilaboperator">.</span><span class="scilabfield">outputs</span> <span class="scilaboperator">=</span> <span class="scilabopenclose">[</span><span class="scilabnumber">0</span> <span class="scilabnumber">0</span> <span class="scilabnumber">1</span> <span class="scilabnumber">1</span><span class="scilabdefault">;</span><span class="scilabnumber">1</span> <span class="scilabnumber">1</span> <span class="scilabnumber">2</span> <span class="scilabnumber">1</span><span class="scilabdefault">;</span> <span class="scilabnumber">1</span> <span class="scilabnumber">0</span> <span class="scilabnumber">1</span> <span class="scilabnumber">1</span><span class="scilabopenclose">]</span><span class="scilabdefault">;</span> +<span class="scilabopenclose">[</span><span class="scilabid">isok</span><span class="scilabdefault">,</span><span class="scilabid">status</span><span class="scilabopenclose">]</span> <span class="scilaboperator">=</span> <span class="scilabid">istrellis</span><span class="scilabopenclose">(</span><span class="scilabid">trellis</span><span class="scilabopenclose">)</span> + +<span class="scilabid">Inavlid</span> <span class="scilabid">trellis</span> <span class="scilabid">structure</span> +<span class="scilabid">trellis</span><span class="scilaboperator">.</span><span class="scilabfield">numInputSymbols</span> <span class="scilaboperator">=</span> <span class="scilabnumber">3</span><span class="scilabdefault">;</span> +<span class="scilabid">trellis</span><span class="scilaboperator">.</span><span class="scilabfield">numOutputSymbols</span> <span class="scilaboperator">=</span> <span class="scilabnumber">3</span><span class="scilabdefault">;</span> +<span class="scilabid">trellis</span><span class="scilaboperator">.</span><span class="scilabfield">numStates</span> <span class="scilaboperator">=</span> <span class="scilabnumber">3</span><span class="scilabdefault">;</span> +<span class="scilabid">trellis</span><span class="scilaboperator">.</span><span class="scilabfield">nextStates</span> <span class="scilaboperator">=</span> <span class="scilabopenclose">[</span><span class="scilabnumber">0</span> <span class="scilabnumber">1</span> <span class="scilabnumber">2</span> <span class="scilabdefault">;</span><span class="scilabnumber">0</span> <span class="scilabnumber">1</span> <span class="scilabnumber">2</span> <span class="scilabdefault">;</span> <span class="scilabnumber">0</span> <span class="scilabnumber">1</span> <span class="scilabnumber">2</span> <span class="scilabopenclose">]</span><span class="scilabdefault">;</span> +<span class="scilabid">trellis</span><span class="scilaboperator">.</span><span class="scilabfield">outputs</span> <span class="scilaboperator">=</span> <span class="scilabopenclose">[</span><span class="scilabnumber">0</span> <span class="scilabnumber">0</span> <span class="scilabnumber">1</span> <span class="scilabdefault">;</span><span class="scilabnumber">1</span> <span class="scilabnumber">1</span> <span class="scilabnumber">2</span> <span class="scilabdefault">;</span> <span class="scilabnumber">1</span> <span class="scilabnumber">0</span> <span class="scilabnumber">1</span> <span class="scilabopenclose">]</span><span class="scilabdefault">;</span> +<span class="scilabopenclose">[</span><span class="scilabid">isok</span><span class="scilabdefault">,</span><span class="scilabid">status</span><span class="scilabopenclose">]</span> <span class="scilaboperator">=</span> <span class="scilabid">istrellis</span><span class="scilabopenclose">(</span><span class="scilabid">trellis</span><span class="scilabopenclose">)</span></pre></td><td valign="top"><a href="scilab://scilab.execexample/"><img src="ScilabExecute.png" border="0"/></a></td><td valign="top"><a href="scilab://scilab.editexample/"><img src="ScilabEdit.png" border="0"/></a></td><td></td></tr></table></div></div> + +<div class="refsection"><h3 class="title">Authors</h3> + <ul class="itemizedlist"><li class="member">Pola Lakshmi Priyanka, IIT Bombay</li></ul></div> + <br /> + + <div class="manualnavbar"> + <table width="100%"> + <tr><td colspan="3" class="next"><a href="http://bugzilla.scilab.org/enter_bug.cgi?product=Scilab%20software&component=Documentation%20pages" class="ulink">Report an issue</a></td></tr> +<tr> + <td width="30%"> + <span class="previous"><a href="iscatastrophic.html"><< iscatastrophic</a></span> + + </td> + <td width="40%" class="center"> + <span class="top"><a href="section_1f049b1e3111e3d1d538e7603f77f589.html">FOSSEE_Communication_Systems_Toolbox</a></span> + + </td> + <td width="30%" class="next"> + <span class="next"><a href="lteZadoffChuSeq.html">lteZadoffChuSeq >></a></span> + + </td> + </tr></table> + <hr /> + </div> + </body> +</html> |