Security and Communication Networks / 2019 / Article / Fig 5

Research Article

Power Grid Estimation Using Electric Network Frequency Signals

Figure 5

Notation for ENF signals extracted from multimedia where . The ENF signals obtained from one multimedia is represented by . The label of the area where multimedia is recorded is indicated by . is the number of data samples to estimate the location. The is equal to .

We are committed to sharing findings related to COVID-19 as quickly and safely as possible. Any author submitting a COVID-19 paper should notify us at help@hindawi.com to ensure their research is fast-tracked and made available on a preprint server as soon as possible. We will be providing unlimited waivers of publication charges for accepted articles related to COVID-19. Sign up here as a reviewer to help fast-track new submissions.