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    發布日期: 2021-01-04
  • 語言: 其他
  • 標簽: CORDIC??DDS??

資源簡介

正弦余弦輸出,有測試文件,完美運行。 坐標旋轉數字計算機CORDIC(COordinate Rotation DIgital Computer)算法,通過移位和加減運算,能遞歸計算常用函數值,如Sin,Cos,Sinh,Cosh等函數,由J. Volder于1959年提出,首先用于導航系統,使得矢量的旋轉和定向運算不需要做查三角函數表、乘法、開方及反三角函數等復雜運算。J. Walther在1974年用它研究了一種能計算出多種超越函數的統一算法。

資源截圖

代碼片段和文件信息

function?[a_outb_outz_out]?=?cordic_cell(a_inb_inz_inthetanflt)
????
????%?CORDIC?algorithm?basic?cell
????if?(flt?==?1)
????????if?(z_in?>=?0)
????????????a_out?=?a_in?-?b_in/2^n;
????????????b_out?=?b_in?+?a_in/2^n;
????????????z_out?=?z_in?-?theta;
????????else
????????????a_out?=?a_in?+?b_in/2^n;
????????????b_out?=?b_in?-?a_in/2^n;
????????????z_out?=?z_in?+?theta;
????????end
????else
????????if?(z_in?>=?0)
????????????a_out?=?a_in?-?floor(b_in/2^n);
????????????b_out?=?b_in?+?floor(a_in/2^n);
????????????z_out?=?z_in?-?theta;
????????else
????????????a_out?=?a_in?+?floor(b_in/2^n);
????????????b_out?=?b_in?-?floor(a_in/2^n);
????????????z_out?=?z_in?+?theta;
????????end
????end
????
end

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????7657??2013-04-02?19:41??cordic\cordic.asm.rpt

?????文件?????????26??2013-04-02?19:43??cordic\cordic.done

?????文件????????239??2013-04-02?19:41??cordic\cordic.dpf

?????文件?????139116??2013-04-02?19:41??cordic\cordic.fit.rpt

?????文件????????513??2013-04-02?19:41??cordic\cordic.fit.smsg

?????文件????????612??2013-04-02?19:41??cordic\cordic.fit.summary

?????文件???????8061??2013-04-02?19:41??cordic\cordic.flow.rpt

?????文件??????64551??2013-04-02?19:41??cordic\cordic.map.rpt

?????文件????????473??2013-04-02?19:41??cordic\cordic.map.summary

?????文件??????27426??2013-04-02?19:41??cordic\cordic.pin

?????文件?????524481??2013-04-02?19:41??cordic\cordic.pof

?????文件???????1269??2013-04-02?19:15??cordic\cordic.qpf

?????文件???????3355??2013-04-02?19:42??cordic\cordic.qsf

?????文件???????1529??2013-04-02?19:46??cordic\cordic.qws

?????文件?????481796??2013-04-02?19:42??cordic\cordic.sim.rpt

?????文件?????240782??2013-04-02?19:41??cordic\cordic.sof

?????文件?????169026??2013-04-02?19:33??cordic\cordic.sta.rpt

?????文件????????651??2013-04-02?19:33??cordic\cordic.sta.summary

?????文件?????154512??2013-04-02?19:41??cordic\cordic.tan.rpt

?????文件???????1513??2013-04-02?19:41??cordic\cordic.tan.summary

?????文件??????28156??2013-04-02?19:42??cordic\cordic.vwf

?????文件??????48340??2013-04-02?19:31??cordic\cordic_assignment_defaults.qdf

?????文件????????734??2011-04-13?09:13??cordic\cordic_cell.m

?????文件????????606??2011-04-21?10:31??cordic\cordic_cell.v

?????文件???????3817??2011-04-21?15:22??cordic\cordic_pipelined.v

?????文件???????3685??2013-04-02?19:41??cordic\db\cordic.(0).cnf.cdb

?????文件???????1373??2013-04-02?19:41??cordic\db\cordic.(0).cnf.hdb

?????文件??????15412??2013-04-02?19:41??cordic\db\cordic.(1).cnf.cdb

?????文件???????4420??2013-04-02?19:41??cordic\db\cordic.(1).cnf.hdb

?????文件???????5289??2013-04-02?19:41??cordic\db\cordic.(10).cnf.cdb

............此處省略117個文件信息

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