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Article #2000Re: Using RSSI to locate an object
From: Rich Grise
Date: Wed, 21 Mar 2007 22:54
Date: Wed, 21 Mar 2007 22:54
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2260 bytes
On Wed, 21 Mar 2007 20:08:20 +0100, martin griffith wrote: > On Wed, 21 Mar 2007 17:22:27 GMT, in sci.electronics.design Rich Grise >>On Mon, 19 Mar 2007 17:03:09 -0700, Josh916 wrote: >> >>> I would like to use RSSI to locate an object in a 3D space. The space >>> will be a square box with transmitters located on the 4 corners. An >>> object will be place at certain positions within the box and I want to >>> be able to determine its location inside the box. Much like an internal >>> GPS. >>> >>> >>What's "RSSI"? Repetitive Stress Syndrome Imaging? ;-) >> > received signal strength indicator > Oh, gosh. Than that's definitely a non-starter. I'd at least try ultrasonics, or maybe lidar and triangulate. But, as has been said, just imaging from the top is probably the best, since compute power is cheap these days, and Josh916 seems to have total control over the environment. Of course, if you're out on the lake, it'd probably be pretty expensive to hire a blimp for the camera. ;-) Thanks! Rich
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X-Google-Thread: 112d1e,99b7ff176446d3ef X-Google-Thread: 103407,99b7ff176446d3ef X-Google-Thread: 111d0a,99b7ff176446d3ef X-Google-Attributes: gid112d1e,gid103407,gid111d0a,public X-Google-Language: ENGLISH,ASCII-7-bit Path: arc1-ca.pugleaf.net!g2news1.google.com!news3.google.com!border1.nntp.dca.giganews.com!border2.nntp.dca.giganews.com!nntp.giganews.com!cyclone1.gnilink.net!spamkiller.gnilink.net!gnilink.net!trnddc03.POSTED!dd653b87!not-for-mail From: Rich Grise <rich@example.net> Subject: Re: Using RSSI to locate an object User-Agent: Pan/0.14.2.91 (As She Crawled Across the Table) Message-ID: <pan.2007.03.21.22.55.17.903470@example.net> Newsgroups: sci.electronics.design,aus.electronics,sci.electronics.basics References: <1174348989.871006.52080@n76g2000hsh.googlegroups.com> <pan.2007.03.21.17.22.53.86088@example.net> <7k0303l1evh5m2jq3asifhueqe9o39u0p3@4ax.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8bit Lines: 28 Date: Wed, 21 Mar 2007 22:54:50 GMT NNTP-Posting-Host: 71.103.107.248 X-Complaints-To: abuse@verizon.net X-Trace: trnddc03 1174517690 71.103.107.248 (Wed, 21 Mar 2007 18:54:50 EDT) NNTP-Posting-Date: Wed, 21 Mar 2007 18:54:50 EDT