Báo cáo hóa học: " Research Article CARNIVORE: A Disruption-Tolerant System for Studying Wildlife" docx
... election, and data transfer (Figure 6). Each of these utilizes the MAC layer to send and receive data. A single MAC layer task parses frames rapidly and updates the state variables for each task. A neighbor ... maximum rangeisneeded.WeequippedanSRNwitha12dBi high- gain directional antenna and saw a much improved range for the CSN-to-SRN. An extended range of approximately 150 m prov...
Ngày tải lên: 21/06/2014, 11:20
... maximum duration of HCCA in a beacon interval (T Beacon ), that is, a superframe. A basic weakness of the HCCA protocol is related with its nature. HCCA is an optional part of HCF that can guarantee QoS ... t DATA + t STATUS t + t POLL t AP STA A STA B (Poll to a possibly different station) Poll Status (ack) Poll Status (ack) Data (b) +4t PROP DELAY + t MAX DATA +2t STATUS t + t POLL...
Ngày tải lên: 21/06/2014, 05:20
... and Networking in terms of average tag identification time of the tags. We have also extended the design of ASAP to variants of ASAP, that is, p-ASAP, m-ASAP, and ASAP with faulty tags. For each scenario, ... fac tory automation to supermar- ket checkouts [5, 6]. All of these envisioned applications call for a need to deploy a large number of tags in small geograph- ical areas and have...
Ngày tải lên: 22/06/2014, 19:20
Báo cáo hóa học: " Research Article On the Strong Laws for Weighted Sums " docx
... 5, Peligrad and Gut 6,andGan7 have studied almost sure convergence, Utev and Peligrad 8 have established maximal inequalities and the invariance principle, An and Yuan 9 have considered ... Theorem 1.4. By 1.9, a standard computation see page 120 of Baum and Katz 11 or page 1472 of An and Yuan 9, and the Borel-Cantelli Lemma, we have max 1≤j≤2 i j i1 a ni X i ...
Ngày tải lên: 21/06/2014, 05:20
Báo cáo hóa học: "Research Article Alternative Speech Communication System for Persons with Severe Speech Disord" pptx
... performed to calculate a magnitude spectrum for the frame, which is averaged into 20 triangular bins arranged at equal Mel- frequency intervals. Finally, a cosine transform is applied to such data to calculate ... speech and/or the use of language. Common types of these disorders encompass aphasia, apraxia, and dysarthria. Aphasia is characterized by difficulty in difficulty in formulating,...
Ngày tải lên: 21/06/2014, 20:20
Báo cáo hóa học: " Research Article Ultra-Wideband Channel Modeling for Intravehicle Environment" docx
... transmission as well as free availability of bandwidth. UWB signal is defined as the wireless radio which takes a bandwidth larger than 500 MHz or a fractional bandwidth greater than 25%. In USA, FCC authorized ... with a sharp maximum but has a rising edge. A modified S-V PDP model is used to account for this rising edge. Based on the analysis of the measured data, channel model pa...
Ngày tải lên: 21/06/2014, 22:20
Báo cáo hóa học: "Research Article Practical Gammatone-Like Filters for Auditory Processing" docx
... that all the parameterized figures presented so far can be used for the case of the OZGF with an accuracy of better than 1 dB if the zero is placed at a reasonable distance away from the natural ... curves at particular set of places on the basilar membrane of the biological cochlea and that are suitable for practical VLSI implementations. The resulting filters can be used in a filterban...
Ngày tải lên: 22/06/2014, 06:20
Báo cáo hóa học: " Research Article Compression at the Source for Digital Camcorders" docx
... arising from con- strained data read out rate. Accepting the data read out rate as a hard constraint of a camcorder, it has been shown that, by gener ating a nonuniformly sampled digital video se- quence, ... array gives a spatial sample of the continuous image, a pixel, and the whole array gives a temporal sample of the time-varying image, a frame. The result is a 3D sampling...
Ngày tải lên: 22/06/2014, 19:20
Báo cáo hóa học: " Research Article Convergence of Iterative Sequences for Common Zero Points of a Family of m-Accretive Mappings in Banach Spaces" pdf
... Browder 22, we say that a Banach space E has a weakly continuous duality map if there exists a gauge ϕ for which the duality map J ϕ x is single valued and weak-to-weak ∗ sequentially continuous ... 173–177, 2000. 16 M. Maiti and B. Saha, “Approximating fixed points of nonexpansive and generalized nonexpansive mappings,” International Journal of Mathematics and Mathematical Scien...
Ngày tải lên: 21/06/2014, 05:20
Báo cáo hóa học: " Research Article The Extended-OPQ Method for User-Centered Quality of Experience Evaluation: A Study for Mobile 3D Video Broadcasting over DVB-H" potx
... different parameters. The parameter EURASIP Journal on Image and Video Processing 5 The quantitative data can be analyzed using the Analysis of Variance (ANOVA) or its comparable non-parametric methods ... image clearly into foreground and background. An important aspect thereby is a clear separation of foreground and background and a natural transition between them. 10 EURASIP Journal on...
Ngày tải lên: 21/06/2014, 05:20