593 results found.
Year: 2013, Volume: 13, Number: 4
... tags and readers via a wireless radio attacker, it can cause privacy issues. frequency band, is being used actively in many areas [5-7], Replay ... query message from the reader are always supposed to respond to any The RFID (Radio-frequency identification) system, which message. If the tag's response is fixed or ...
Terms matched: 2 - Score: 5 - 718k
Year: 2013, Volume: 13, Number: 3
... computes the approximation of gradients regions corresponding to edges (regions with a high spatial along the horizontal (x) and the vertical (y) directions (2D frequency) [39]. spatial) of the image intensity function, at each pixel [2 ], The filters used by Roberts detector are: and ...
Terms matched: 1 - Score: 3 - 706k
Year: 2013, Volume: 13, Number: 3
... focus on the recognition of hand The maximum distance computed is from 5m to 10m, gestures based on a video sequence acquired with a Kinect depending on the modulation frequency used, and it comes sensor. The work is motivated by different applications, for example gesture-based interfaces in a car, where only a 1 simple set ...
Terms matched: 1 - Score: 3 - 699k
Year: 2013, Volume: 13, Number: 3
... large loads or loss of generation. inverter is able to change the voltage and frequency of the The outline of the paper is as follows. Firstly, the ... Fig. 1. It is assumed that phase power after the cancelation of the double-frequency this system is a balanced three-phase circuit. terms. Each generator consists of ...
Terms matched: 2 - Score: 35 - 704k
Year: 2013, Volume: 13, Number: 3
... , based on the (compressed or mixed), polarity of current, temperature, and grey theory. Chang et al. [12] introduced an improved frequency. Although these factors appear to be independent terminal sliding mode control algorithm for PWM DC-AC of each other [2 ], their values influence gas breakdown to ...
Terms matched: 1 - Score: 3 - 720k
Year: 2013, Volume: 13, Number: 3
... , Number 3, 2013 Quantum Image Filtering in the Frequency Domain Simona CARAIMAN, Vasile I. MANTA Department ... – Microscopy image of a tissue section displaying cell the high-frequency image is represented as 105 and in the nuclei ... bright round objects; A,B are 32  32 pixels sub-images used for low-frequency image as 246. ...
Terms matched: 3 - Score: 63 - 692k
Year: 2013, Volume: 13, Number: 3
... called ad hoc microphone array, is usually a set frequency component of the speech signal should be used of ... to ensure the correct result in multi-level wavelet the local time-frequency analysis. transform without extraction, some adjustments for ... (UNIT: MS) Using upper Using lower total amplitude-frequency response of the cascaded lowpass Number envelope envelope filters ...
Terms matched: 3 - Score: 46 - 757k
Year: 2013, Volume: 13, Number: 3
... CPU with the reduction of boundary speed bus- Element Interconnect Bus (EIB). At a clock cells using a modified Won and Sahni's algorithm. The new frequency of 3.2 GHz, the maximum theoretical algorithm is shown to be better than the original one in an performance for SPE (Single Precision SP) is 25.6 ...
Terms matched: 1 - Score: 3 - 888k
Year: 2013, Volume: 13, Number: 3
... become constant, capitals will denote the steady-state to their PWM counterparts. values, except for switch conversion ratio μ and the Different solutions for modeling these quasiresonant switching frequency fs, for which the symbols μ0 and fs0 will structures have been proposed [15-18], but the analyses have be used, respectively. Hatted variables ...
Terms matched: 1 - Score: 15 - 611k
Year: 2013, Volume: 13, Number: 3
... phase current In [A] 62,4  m Pole pairs p 2 SCusl  N sl SCu1   N p  SCu1 (3) Stator frequency f [Hz] 800  Q Rated power factor cosφn 0,74 Rated efficiency η [%] 90,00 where Nsl is the number of ...
Terms matched: 1 - Score: 16 - 876k