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The shear wave velocity was estimated using the first arrival method after removing the near field and the crosstalk effects from the output signal.
Technically, the mobile network operator can obtain the location based on the coverage area of the currently used cell (typical accuracy from 300 m to many km) or using trilateration of signals from multiple cells, e.g. based on the "observed time difference of arrival" method (typical accuracy 100 m in densely covered areas) [12].
Third, we could not obtain data such as patient's location at the time of illness, arrival method, comorbidities and follow-up data after admission to inpatient wards or discharge.
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When the door-to-balloon times were compared across the three arrival methods, patients who presented by paramedic-initiated referral had significantly shorter door-to-balloon times, (89.5 minutes) relative to those transferred (120.9 minutes) and those who walked into a PCI centre (126.7 minutes) (p = 0.047).
Within global navigation satellite systems (GNSS), such as the Global Positioning System (GPS) or the future European satellite navigation system Galileo, the user position is determined based upon the code division multiplex access (CDMA) navigation signals received from different satellites using the time-of-arrival method [1].
Kowakami and Ohtsuki pick up a similar theme in "Localization Using Iterative Angle-of-Arrival Methods Sharing Snapshots of Coherent Subarrays," which presents a two-stage coarse/fine solution to the problem.
Using time-of-arrival methods the VHF sources from lightning can be located in three-dimensions and sets of spatially and temporally correlated sources are combined to give a high resolution three-dimensional spatial and temporal lightning discharge map (Thomas et al. 2004).
Time difference of arrival (TDOA) method estimates the distance from propagation times through different receivers [2].
Angle of arrival (AOA) method uses array antenna to estimate direction of arrival and at least two receivers, called subarray, are required to localize sources [4].
Povalac and Sandebesta [38], Nikitin et al. [39], and Arnitz et al. [40] analyzed both phases of arrival positioning methods for RFID-based locating systems.
The velocity model was derived using a first-arrival tomography method based on active seismic survey data along line MY102 across the observation area Ito et al. (2005) (Figure 2).
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