| Paper: | SPTM-P2.6 | ||
| Session: | Sampling, Extrapolation, and Interpolation | ||
| Time: | Tuesday, May 18, 15:30 - 17:30 | ||
| Presentation: | Poster | ||
| Topic: | Signal Processing Theory and Methods: Sampling, Extrapolation, and Interpolation | ||
| Title: | FREQUENCY ANALYSIS USING NON-UNIFORM SAMPLING WITH APPLICATION TO ACTIVE QUEUE MANAGEMENT | ||
| Authors: | Frida Gunnarsson; Linköping University | ||
| Fredrik Gustafsson; Linköping University | |||
| Fredrik Gunnarsson; Linköping University | |||
| Abstract: | In many real-time applications, sample values and time stamps are delivered in pairs, where sampling times are non-uniform. In jitter sampling, there is a random deviation from uniform sampling times, and in additive random sampling, external random events trigger the sampling process. Our contribution is to first overview different ways to approximate the Fourier transform, and secondly to give analytical expressions for how randomized sampling affects these approximations. The results are expressed in terms of frequency windows describing how a single frequency in the continuous time signal is smeared out in the frequency domain, or, more precisely, in the expected value of the Fourier transform approximation. | ||
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