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- Newsgroups: sci.electronics
- Path: sparky!uunet!zaphod.mps.ohio-state.edu!pacific.mps.ohio-state.edu!linac!att!mcdchg!mcdphx!schuch
- From: schuch@phx.mcd.mot.com (John Schuch)
- Subject: Re: Phased sonar
- Message-ID: <1993Jan11.173709.10100@phx.mcd.mot.com>
- Sender: news@phx.mcd.mot.com
- Nntp-Posting-Host: bopper2.phx.mcd.mot.com
- Organization: Motorola Computer Group, Tempe, Az.
- References: <1993Jan10.104636.5690@doug.cae.wisc.edu> <1993Jan11.025137.5570@ee.ubc.ca>
- Date: Mon, 11 Jan 1993 17:37:09 GMT
- Lines: 21
-
- In article <1993Jan11.025137.5570@ee.ubc.ca> jmorriso@ee.ubc.ca (John Paul Morrison) writes:
- >In article <1993Jan10.104636.5690@doug.cae.wisc.edu> kolstad@cae.wisc.edu (Joel Kolstad) writes:
- >
- >The 3 transponders are like 3 antennas. Send pulses into the transponders
- >with different phase angles, and the outputs add and substract in nifty
- >patterns. The outputs interfere, cancelling out, or add, making the output
- >focused in a certain direction.
- >WIth nifty control electronics, who needs a spinning transponder/antenna.
-
- I've wondered about this. Does each element of a phased array have its
- own programmable delay line? The phased array radars I've seen look
- like they have a LOT of elements.
-
- John
-
-
- --
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- | John R. Schuch - Motorola Computer Group - Manufacturing Engineering |
- | N7XVS - schuch@phx.mcd.mot.com - (602) 438-3008 - CompuServe: 70733.3330 |
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