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      <header alignment="Center" color="#a9a9a9">&amp;[DATE] &amp;[TIME] - &amp;[FILENAME]</header>
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      <title lang="eng">
        <p>     Stem  Module     </p>
      </title>
    </area>
    <region id="1" left="36" top="45" width="440" height="272" border="true" color="#000000" bgColor="#ffffff" fontSize="10">
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        <description active="true" position="Top" lang="eng">
          <p>Spectrum stem plot for QuickPlot unicolor</p>
        </description>
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          <e type="operand">data</e>
          <e type="operand">i</e>
          <e type="operand">1</e>
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          <e type="operand">data</e>
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          <e type="operand">data</e>
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          <e type="operand">stem</e>
          <e type="operand">i</e>
          <e type="function" preserve="true" args="2">el</e>
          <e type="operand">stem</e>
          <e type="operand">i</e>
          <e type="operand">1</e>
          <e type="operator" args="2">+</e>
          <e type="bracket">(</e>
          <e type="operand">1</e>
          <e type="function" preserve="true" args="3">el</e>
          <e type="operand">1</e>
          <e type="function" preserve="true" args="2">el</e>
          <e type="operand">0</e>
          <e type="operand">1</e>
          <e type="operand">2</e>
          <e type="function" preserve="true" args="4">mat</e>
          <e type="function" preserve="true" args="2">stack</e>
          <e type="operator" args="2">:</e>
          <e type="function" preserve="true" args="3">for</e>
          <e type="operand">V</e>
          <e type="operand">stem</e>
          <e type="operand">1</e>
          <e type="function" preserve="true" args="2">el</e>
          <e type="operator" args="2">:</e>
          <e type="operand">j</e>
          <e type="operand">2</e>
          <e type="operand">stem</e>
          <e type="function" preserve="true" args="1">rows</e>
          <e type="operand">1</e>
          <e type="operator" args="2">-</e>
          <e type="function" preserve="true" args="2">range</e>
          <e type="operand">V</e>
          <e type="operand">V</e>
          <e type="operand">stem</e>
          <e type="operand">j</e>
          <e type="function" preserve="true" args="2">el</e>
          <e type="function" preserve="true" args="2">stack</e>
          <e type="operator" args="2">:</e>
          <e type="function" preserve="true" args="3">for</e>
          <e type="operand">V</e>
          <e type="operand">V</e>
          <e type="operand">data</e>
          <e type="operand">data</e>
          <e type="function" preserve="true" args="1">rows</e>
          <e type="function" preserve="true" args="2">row</e>
          <e type="function" preserve="true" args="2">stack</e>
          <e type="operator" args="2">:</e>
          <e type="operand">7</e>
          <e type="operand">1</e>
          <e type="function" preserve="true" args="9">line</e>
          <e type="operator" args="2">:</e>
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          <p>Pre-define Unit step</p>
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          <e type="operand">256</e>
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          <e type="operand">1</e>
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          <e type="operand">t</e>
          <e type="operand">α</e>
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          <e type="operand">0</e>
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          <e type="operand">1</e>
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          <e type="operand">N</e>
          <e type="operand">npts</e>
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          <e type="operand">U</e>
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          <e type="operand">H</e>
          <e type="operand">N</e>
          <e type="function" args="3">xd</e>
          <e type="operator" args="2">:</e>
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        <input>
          <e type="operand">p</e>
          <e type="operand">i</e>
          <e type="operand">1</e>
          <e type="operand">U</e>
          <e type="function" preserve="true" args="1">rows</e>
          <e type="function" preserve="true" args="2">range</e>
          <e type="operand">Y</e>
          <e type="operand">i</e>
          <e type="function" preserve="true" args="2">el</e>
          <e type="operand">U</e>
          <e type="operand">i</e>
          <e type="function" preserve="true" args="2">el</e>
          <e type="function" args="1">f</e>
          <e type="function" preserve="true" args="1">eval</e>
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          <e type="function" preserve="true" args="3">for</e>
          <e type="operand">U</e>
          <e type="operand">Y</e>
          <e type="function" preserve="true" args="2">augment</e>
          <e type="operand">2</e>
          <e type="operand">1</e>
          <e type="function" preserve="true" args="4">line</e>
          <e type="operator" args="2">:</e>
          <e type="operand">Pulse</e>
          <e type="operand">p</e>
          <e type="function" args="1">Stem</e>
          <e type="operator" args="2">:</e>
          <e type="operand">2</e>
          <e type="operand">1</e>
          <e type="function" preserve="true" args="4">line</e>
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      <math>
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          <e type="operand">bar</e>
          <e type="operand">Pulse</e>
          <e type="operand">α</e>
          <e type="operand">2</e>
          <e type="operand">α</e>
          <e type="operand">1</e>
          <e type="operator" args="1">-</e>
          <e type="operand">2</e>
          <e type="operand">2</e>
          <e type="function" preserve="true" args="6">mat</e>
          <e type="operand" style="string" />
          <e type="operand">β</e>
          <e type="operand">2</e>
          <e type="operand">β</e>
          <e type="operand">1</e>
          <e type="operator" args="1">-</e>
          <e type="operand">2</e>
          <e type="operand">2</e>
          <e type="function" preserve="true" args="6">mat</e>
          <e type="operand">0.5</e>
          <e type="operand">2</e>
          <e type="operand">π</e>
          <e type="operator" args="2">*</e>
          <e type="operand">x</e>
          <e type="operator" args="2">*</e>
          <e type="function" preserve="true" args="1">sin</e>
          <e type="operator" args="2">*</e>
          <e type="operand">5</e>
          <e type="operand">1</e>
          <e type="function" preserve="true" args="7">sys</e>
          <e type="operator" args="2">:</e>
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      <text lang="eng">
        <p>In this example [β-α] span      j=4 fills the pulse </p>
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      <text lang="eng">
        <p>===================================================</p>
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      <math>
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          <p>Pre-define Unit step</p>
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          <e type="operand">size</e>
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          <e type="operator" args="2">:</e>
          <e type="operand">1</e>
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          <e type="function" preserve="true" args="4">mat</e>
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          <e type="operand">t</e>
          <e type="operand">α</e>
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          <e type="operand">t</e>
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          <e type="function" args="1">Φ</e>
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          <e type="operator" args="2">:</e>
          <e type="operand">x</e>
          <e type="function" args="1">q</e>
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          <e type="operand">x</e>
          <e type="operator" args="2">*</e>
          <e type="function" preserve="true" args="1">sin</e>
          <e type="operator" args="2">*</e>
          <e type="operator" args="2">:</e>
          <e type="operand">4</e>
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          <e type="operator" args="2">:</e>
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          <e type="operand">2</e>
          <e type="operator" args="2">:</e>
          <e type="operand">1</e>
          <e type="operand">2</e>
          <e type="function" preserve="true" args="4">mat</e>
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          <e type="operand">npts</e>
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          <e type="operator" args="2">:</e>
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          <e type="operand">L</e>
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          <e type="operand">N</e>
          <e type="function" args="3">xd</e>
          <e type="operator" args="2">:</e>
          <e type="operand">3</e>
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          <e type="operand">Y</e>
          <e type="function" preserve="true" args="2">augment</e>
          <e type="operand">2</e>
          <e type="operand">1</e>
          <e type="function" preserve="true" args="4">line</e>
          <e type="operator" args="2">:</e>
          <e type="operand">Pulse</e>
          <e type="operand">p</e>
          <e type="function" args="1">Stem</e>
          <e type="operator" args="2">:</e>
          <e type="operand">2</e>
          <e type="operand">1</e>
          <e type="function" preserve="true" args="4">line</e>
        </input>
      </math>
    </region>
    <region id="18" left="333" top="900" width="108" height="122" border="true" color="#000000" bgColor="#ebebeb" fontSize="10">
      <math>
        <input>
          <e type="operand">bar</e>
          <e type="operand">x</e>
          <e type="function" args="1">q</e>
          <e type="operand">Pulse</e>
          <e type="operand">α</e>
          <e type="operand">2</e>
          <e type="operand">α</e>
          <e type="operand">1</e>
          <e type="operator" args="1">-</e>
          <e type="operand">2</e>
          <e type="operand">2</e>
          <e type="function" preserve="true" args="6">mat</e>
          <e type="operand">β</e>
          <e type="operand">2</e>
          <e type="operand">β</e>
          <e type="operand">1</e>
          <e type="operator" args="1">-</e>
          <e type="operand">2</e>
          <e type="operand">2</e>
          <e type="function" preserve="true" args="6">mat</e>
          <e type="operand">4</e>
          <e type="operand">1</e>
          <e type="function" preserve="true" args="6">sys</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region id="19" left="180" top="1026" width="259" height="136" color="#000000" bgColor="#ebebeb" fontSize="10" showInputData="False">
      <plot type="2d" render="lines" scale_x="2.86700845212673" scale_y="3.04521391550402" scale_z="8.7306540342839" rotate_x="0" rotate_y="0" rotate_z="0" transpose_x="0" transpose_y="0" transpose_z="0">
        <input>
          <e type="operand">bar</e>
        </input>
      </plot>
    </region>
    <region id="20" left="225" top="1035" width="170" height="41" color="#000000" bgColor="#ebebeb" fontSize="10">
      <math>
        <input>
          <e type="operand">grid</e>
          <e type="operand">β</e>
          <e type="operand">α</e>
          <e type="operator" args="2">-</e>
          <e type="operand">0.5</e>
          <e type="operand">N</e>
          <e type="operator" args="2">*</e>
          <e type="operator" args="2">/</e>
          <e type="operator" args="2">:</e>
        </input>
        <result action="numeric">
          <e type="operand">0.125</e>
        </result>
      </math>
    </region>
  </region>
</regions>