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Fractional Delay Filter Design with Python


Fractional Delay Filter Design with Python

Fractional Delay Filter Design with Python

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2013-11-19
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ÀÌ Ã¥Àº Fractional Delay Filter ¸¦ Python °ú Verilog ·Î ¼³°èÇÏ´Â ¹æ¹ýÀ» ´Ù·ç°í ÀÖ´Ù. Fractional Delay Filter (FD) ´Â ¹Ì¼¼Á¶Á¤ÀÌ ÇÊ¿äÇÑ °÷¿¡¼­ ¸¹ÀÌ »ç¿ëÇÏ´Â ÇÊÅÍÀε¥ FIR IIR µðÁöÅÐ ÇÊÅÍ¿¡ ºñÇØ ÀüÀÚ°øÇеµµé¿¡°Ô Àß ¾Ë·ÁÁöÁö ¾ÊÀº °Í °°¾Æ À̹ø ±âȸ¸¦ ºô¾î ¼Ò°³ÇÏ°íÀÚ ÇÑ´Ù. FIR IIR ÀÌ ÀÌÁ¦´Â Á» ½Ä»óÇÏ´Ù°í ´À³¤´Ù¸é FD ÇÊÅ͸¦ Çѹø °æÇèÇØ º¸±æ ¹Ù¶õ´Ù.

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1. ¼³°è ȯ°æ ±¸ÃàÇϱâ
1.1 Python ¼³Ä¡Çϱâ
1.2 Scipy ¼³Ä¡Çϱâ
1.3 Numpy ¼³Ä¡Çϱâ
1.4 Matplotlib ¼³Ä¡Çϱâ
1.5 AcroEdit ¼³Ä¡
1.6 Icarus Verilog ¼³Ä¡
1.7 ¿¡µðÅÍ È¯°æ ¼Â¾÷
1.8 Path ¼³Á¤
1.9 ¼³°èȯ°æ Å×½ºÆ®
2. Fractional Delay Filter ¶õ?
2.1 Á¤ÀÇ
2.2 ¿ø¸®
2.3 ÀÀ¿ë
3. FD Filter Python ¼³°è
3.1 ±âº» ÄÚµå
3.2 Coefficient shift (1)
3.3 Coefficient shift (2)
3.4 Weight Change
3.5 ÀÀ¿ë
3.6 Simulation
3.7 Stimulus File Dump
4. FD Filter Verilog ¼³°è
4.1 Full Verilog Code
5. Testbench
6. Simulation Result (gtkwave)
7. Simulation Result (python)
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