| To: | tentec@contesting.com |
|---|---|
| Subject: | Re: [TenTec] Orion questions |
| From: | "Dr. Gerald N. Johnson, electrical engineer" <geraldj@isunet.net> |
| Reply-to: | geraldj@isunet.net, tentec@contesting.com |
| Date: | Sun, 18 May 2003 11:50:49 -0500 |
| List-post: | <mailto:tentec@contesting.com> |
I can't speak for the Orion's dsp, but my audio dsp does better noise reduction and better CW S/N when it has more input bandwidth, rather than narrow. This I suspect comes from narrow band noise being more correlated than wider band noise which makes the algorithm for noise rejection work better with the wider band noise. 73, Jerry, K0CQ -- Entire content copyright Dr. Gerald N. Johnson, electrical engineer. Reproduction by permission only. |
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