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| author | bgtushar | 2017-11-30 20:31:42 +0530 |
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| committer | bgtushar | 2017-11-30 20:31:42 +0530 |
| commit | f6ef6a0238d4a028e65a0a7f1f1d39ff7979dec2 (patch) | |
| tree | 9d5f3f6632568deb6f285acebd9990f4eb02171a /help/en_US/scilab_en_US_help/modulate.html | |
| parent | bde72bceca94ce47e8c65886878947cf3c2445cb (diff) | |
| parent | 99b498fb0cedd8560d18f032a4cb1fcae0c1fadb (diff) | |
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diff --git a/help/en_US/scilab_en_US_help/modulate.html b/help/en_US/scilab_en_US_help/modulate.html new file mode 100644 index 0000000..c485079 --- /dev/null +++ b/help/en_US/scilab_en_US_help/modulate.html @@ -0,0 +1,104 @@ +<html><head> + <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> + <title>modulate</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="midcross.html"><< midcross</a></span> + + </td> + <td width="40%" class="center"> + <span class="top"><a href="section_cc2bc01c47967d47fcf3507a91d572ba.html">FOSSEE Signal Processing Toolbox</a></span> + + </td> + <td width="30%" class="next"> + <span class="next"><a href="morlet.html">morlet >></a></span> + + </td> + </tr></table> + <hr /> + </div> + + + + <span class="path"><a href="index.html">FOSSEE Signal Processing Toolbox</a> >> <a href="section_cc2bc01c47967d47fcf3507a91d572ba.html">FOSSEE Signal Processing Toolbox</a> > modulate</span> + + <br /><br /> + <div class="refnamediv"><h1 class="refname">modulate</h1> + <p class="refpurpose">Modulates signal according to the modulation method</p></div> + + +<div class="refsynopsisdiv"><h3 class="title">Calling Sequence</h3> + <div class="synopsis"><pre><span class="default">y</span><span class="default">=</span><span class="functionid">modulate</span><span class="default">(</span><span class="default">x</span><span class="default">,</span><span class="default">fc</span><span class="default">,</span><span class="default">fs</span><span class="default">,</span><span class="default">method</span><span class="default">,</span><span class="default">opt</span><span class="default">)</span> +<span class="default">[</span><span class="default">y</span><span class="default">,</span><span class="default">t</span><span class="default">]=</span><span class="functionid">modulate</span><span class="default">(</span><span class="default">x</span><span class="default">,</span><span class="default">fc</span><span class="default">,</span><span class="default">fs</span><span class="default">,</span><span class="default">method</span><span class="default">,</span><span class="default">opt</span><span class="default">)</span></pre></div></div> + +<div class="refsection"><h3 class="title">Parameters</h3> + <dl></dl></div> + +<div class="refsection"><h3 class="title">Description</h3> + <p class="para">[y,t]=modulate(x,fc,fs,method,opt) +Returns the modulated vector y and the time vector 't' +Modulation is performed according to the following table +METHOD MODULATION SCHEME +'am', Amplitude modulation, double side-band, suppressed carrier +'amdsb-sc' opt not used. This is the default method. +'amdsb-tc' Amplitude modulation, double side-band, transmitted carrier +opt is a scalar subtracted from x before multiplying x +with the carrier wave. It defaults to min(min(x)) so that +the input signal after offset is always non-negative +'amssb' Amplitude modulation, single side-band +OPT not used. +'fm' Frequency modulation +opt is the constant of frequency modulation. +opt = (fc/fs)*2*pi/max(max(abs(x))) by default +'pm' Phase modulation +OPT is the constant of phase modulation. +opt = pi/max(max(abs(x))) by default +Phase lies between -pi and +pi +'pwm' Pulse width modulation +opt='left' corresponds to left justified pulses. +opt='centered' correspondes to centered pulses. +The default value of opt is 'left'. +'ppm' Pulse position modulation +opt is a scalar between 0 and 1 which specifies the pulse +width in fractions of the carrier period with default value 0.1. +'qam' Quadrature amplitude modulation +opt is a matrix of the same size as X which is modulated in +quadrature with x.</p> + <p class="para">If x is a matrix, its columns are modulated. +Example +y =</p> + <p class="para">1. 1. 0. 0. +Author +Ankur Mallick</p></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="midcross.html"><< midcross</a></span> + + </td> + <td width="40%" class="center"> + <span class="top"><a href="section_cc2bc01c47967d47fcf3507a91d572ba.html">FOSSEE Signal Processing Toolbox</a></span> + + </td> + <td width="30%" class="next"> + <span class="next"><a href="morlet.html">morlet >></a></span> + + </td> + </tr></table> + <hr /> + </div> + </body> +</html> |