[SI-LIST] Re: 4-port node numbering
- From: "Bill Beale" <Bill.Beale@xxxxxxxxxxxx>
- To: <ray.anderson@xxxxxxxxxx>, <si-list@xxxxxxxxxxxxx>
- Date: Wed, 14 Dec 2005 10:02:56 -0800
Hi All,
I prefer scheme b) because it is slightly easier to code/understand the =
matrix conversion (port groupings):
Scheme A:
|1 0 -1 0 |
1/sqrt(2) * |0 1 0 -1 |
|1 0 1 0 |
|0 1 0 1 |
Scheme B:
|1 -1 0 0 |
1/sqrt(2) * |0 0 1 -1 |
|1 1 0 0 |
|0 0 1 1 |
The conversion matrix of scheme B just looks better. Grouping the first =
two ports as one odd/even pair, and the second two ports as the other =
odd/even pair.
Thank you,
Bill
++++++++++++++++++++++++++++++++++++++++++++++++++++
Bill Beale CAE, HiPHY Group
Synopsys phone: 503-547-6523
2025 NW Cornelius Pass Rd. fax: 503-547-6017
Hillsboro OR, 97124 email: beale@xxxxxxxxxxxx
++++++++++++++++++++++++++++++++++++++++++++++++++++
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