Signal processing
US9374069B2 · kind B2 · utility
1Cited by
5References
18Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 25, 2014 |
| Grant date | Jun 21, 2016 |
| Priority date | — |
| Expiry date | Jul 25, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03M3/30
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A method of processing an amplitude-modulated analog signal at a carrier frequency Fc comprises: digitizing the analog signal to produce an input bit stream that represents the amplitude of the analog signal; generating an in-phase reference bit stream that is synchronous to the carrier frequency Fc and represents an in-phase digital reference signal substantially in the form of a sine and/or cosine wave; and multiplying the input bit stream with the in-phase reference bit stream to produce an output bit stream representing the amplitude modulation of the analog signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.