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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Mingbo Zhao Servetto, S.D. |
| Copyright Year | 2007 |
| Description | Author affiliation: Cornell Univ., Ithaca (Mingbo Zhao; Servetto, S.D.) |
| Abstract | The problem of data collection in a sensor network is formulated in this work as one of distributed analog-to-digital conversion of signals observed in noise. The sampling literature is extensive, going back far in time. But, in the formulation considered here, there are two new elements. One is that the signals of interest are polyhedra in $R^{n}.$ The other is that the analog samples from which these polyhedra are to be recovered are measurements of a wave contained therein, not bandlimited, and subject to random phase perturbations. The formulation comes directly from a real sensor networking system, in which it is necessary to recover the shape of a room out of acoustic measurements collected by the network. Sufficient conditions are given, and a reconstruction algorithm is developed, that guarantee recovery of any polyhedra from samples collected at a finite number of points in space. The performance of this algorithm is also characterized in the presence of random phase perturbations in the samples. |
| Starting Page | 369 |
| Ending Page | 373 |
| File Size | 2028616 |
| Page Count | 5 |
| File Format | |
| ISBN | 9781424421091 |
| ISSN | 10586393 |
| DOI | 10.1109/ACSSC.2007.4487232 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2007-11-04 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Sampling methods Acoustic noise Loudspeakers Analog-digital conversion Acoustic measurements Actuators System identification Feedback control Phase measurement Sensor systems |
| Content Type | Text |
| Resource Type | Article |
| Subject | Signal Processing Computer Networks and Communications |
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