发明名称 |
Complex magnitude computation |
摘要 |
A digital circuit is disclosed for computing the magnitude of a complex number employing piece-wise linear approximations to achieve precision without the need for iteration. An illustrative implementing circuit employs a first stage for converting the in-phase and quadrature signals to their absolute values. The resultant signals are applied to a selection circuit which selects the maximum and minimum values. The resultant signals are combined with coefficients selected as a function of the operating interval and the resultant products added to yield a signal related to the magnitude of the input complex number.
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申请公布号 |
US4599701(A) |
申请公布日期 |
1986.07.08 |
申请号 |
US19830543333 |
申请日期 |
1983.10.19 |
申请人 |
GRUMMAN AEROSPACE CORPORATION |
发明人 |
VOJIR, WILLIAM M.;JANKOWSKI, CECELIA |
分类号 |
G06F7/48;G06F7/552;(IPC1-7):G06F7/552 |
主分类号 |
G06F7/48 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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