adc_c.mht

来自「常用的DSP算法集锦」· MHT 代码 · 共 50 行

MHT
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<BODY><PRE>/* adc.c  -  successive approximation A/D converter */

#include &lt;math.h&gt;

double dac();
int u();

void adc(x, b, B, R)
double x, R;
int *b, B;
{
       int i;
       double y, xQ, Q;

       Q =3D R / pow(2, B);                        /* quantization width =
\(Q=3DR/2\sp{B}\) */
       y =3D x + Q/2;                              /* rounding */

       for (i =3D 0; i &lt; B; i++)                   /* initialize bit =
vector */
              b[i] =3D 0;

       b[0] =3D 1 - u(y);                          /* determine MSB */

       for (i =3D 1; i &lt; B; i++) {                 /* loop starts =
with \(i=3D1\) */
              b[i] =3D 1;                          /* turn \(i\)th bit =
ON */
              xQ =3D dac(b, B, R);                 /* compute DAC output =
*/
              b[i] =3D u(y-xQ);                    /* test and correct =
bit */
              }
}
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adc_c.mht - 源码说明

本页面展示了「常用的DSP算法集锦」中的 adc_c.mht 源码文件，采用 MHT 编程语言编写，共 50 行代码。您可以在线阅读完整代码内容，也可以返回资源详情页下载完整源码包进行本地学习和开发。

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