SIMPLE METHOD FOR SAMPLING IN-PHASE AND QUADRATURE COMPONENTS.

被引：0
|
作者：
Rader, Charles M. [1 ]
机构：
[1] MIT, Lincoln Lab, Lexington, MA, USA, MIT, Lincoln Lab, Lexington, MA, USA
来源：
| 1984年 / AES-20期
关键词：
ELECTRIC FILTERS; DIGITAL - SIGNAL FILTERING AND PREDICTION;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The author presents a method of developing in-phase and quadrature samples of a band-limited rf waveform. The problem of matching gain and phase response differences between the two components is avoided by a combination of mixing to an if frequency, smpling and digitizing, and digital filtering. The novelty of the method is in the design of the digital filter, which is realized as a pair of 90 degree phase splitting networks with several symmetries which are exploited to save computation.
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