fft_specification.abw

fft代码,采用蝶形算法,包括C,matlab和verilog代码

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<section>
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<p style="Heading 1" props="text-align:center">Fourier Transform Core</p>
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<p props="text-align:center"><c props="font-family:Arial; font-weight:bold">Author: John Dalton</c></p>
<p props="text-align:center"><c props="font-family:Arial; font-weight:bold">[e-mail]</c></p>
<p style="Heading 1"><pbr/>Revision History</p>
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<p props="tabstops:7.50cm/L,2.25cm/L,5.12cm/L; text-align:left"><c props="font-weight:normal">Version	Date	Author	Description</c></p>
<p props="tabstops:7.50cm/L,2.25cm/L,5.12cm/L; text-align:left"><c props="font-weight:normal">1.0.0	15 June 2001	John Dalton	First Release</c></p>
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<p props="tabstops:7.50cm/L,2.25cm/L,5.12cm/L; text-align:left"></p>
<p props="text-align:left"><c props="font-weight:normal"><pbr/>WRITE IN SGML USING THE DOCBOOK DTD</c></p>
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<p props="text-align:left"><c props="font-weight:normal">Introduction</c></p>
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<p props="text-align:left">Features</p>
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<p props="text-align:left"><c props="font-weight:normal">External Interface</c></p>
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<p props="text-align:left"><c props="font-weight:normal">  Parameters</c></p>
<p props="text-align:left"><c props="font-weight:normal">    width</c></p>
<p props="text-align:left"><c props="font-weight:normal">    points</c></p>
<p props="text-align:left"><c props="font-weight:normal">    </c></p>
<p props="text-align:left"><c props="font-weight:normal">  Ports</c></p>
<p props="text-align:left"><c props="font-weight:normal">    real_input_data[width-1:0]</c></p>
<p props="text-align:left"><c props="font-weight:normal">    imaginary_input_data{width-1:0]</c></p>
<p props="text-align:left"><c props="font-weight:normal">    start_of_window_output</c></p>
<p props="text-align:left"><c props="font-weight:normal">    naturally_ordered_inputs</c></p>
<p props="text-align:left"><c props="font-weight:normal">    inverse_transform</c></p>
<p props="text-align:left"><c props="font-weight:normal">    (cosine_transform)</c></p>
<p props="text-align:left"><c props="font-weight:normal">    (sine_transform)</c></p>
<p props="text-align:left"><c props="font-weight:normal">    (modified_transform)</c></p>
<p props="text-align:left"><c props="font-weight:normal">    clock</c></p>
<p props="text-align:left"><c props="font-family:Times New Roman; font-weight:normal">      This input is the main clock, off which all </c></p>
<p props="text-align:left"><c props="font-weight:normal">    real_output_data{?:0]</c></p>
<p props="text-align:left"><c props="font-weight:normal">    imaginary_output_data{?:0]</c></p>
<p props="text-align:left"><c props="font-weight:normal">    start_of_window_output</c></p>
<p props="text-align:left"><c props="font-weight:normal">MAKE PORTS CONFORM TO WISHBONE SPEC (wishbone wrapper?)?</c></p>
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<p props="text-align:left"><c props="font-weight:normal">Block Diagram</c></p>
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<p props="text-align:left"><c props="font-weight:normal">Circuit Description</c></p>
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<p props="text-align:left"><c props="font-weight:normal">Module Hierarchy</c></p>
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<p props="text-align:left"><c props="font-weight:normal">Extensions for Other Transforms</c></p>
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<p props="text-align:left"><c props="color:000000; font-family:Times New Roman; font-size:12pt; font-style:normal; font-weight:normal; text-decoration:none; text-position:normal">Derivation of the DeSpain Algorithm</c></p>
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<p props="text-align:left"><c props="font-weight:normal">ISSUES:</c></p>
<p props="text-align:left"><c props="font-weight:normal">Think about scaling</c></p>
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<p props="text-align:left"><c props="font-weight:normal">test </c></p>
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