Báo cáo hóa học: " Design of zone-based bandwidth management scheme in IEEE 802 16 multi-hop relay networks" doc

... them. In the standard of IEEE 802. 16j-2009, packet construction and delivery mechanism are inherited from IEEE 802. 16/ 16e standard. The new multi-hop wireless network is called IEEE 802. 16- MR in ... Networking 2011, 2011:15 http://jwcn.eurasipjournals.com/content/2011/1/15 Page 12 of 28 RESEARCH Open Access Design of zone-based bandwidth management scheme...

Ngày tải lên: 21/06/2014, 03:20

... reported in (2) refers to the processing of one output pixel Y t 0 using a filtering mask cen- tred on the input pixel X t 0 . The processing of a whole frame is obtained by applying the expression in ... 12]havebeenproposedinliter- ature since conventional linear filters are known to blur the images. They typically involve weighted averaging masks in case of Gaussian noise or order...

Ngày tải lên: 23/06/2014, 01:20

... 15 and 60 minutes after the inhalation of bronchodilators (80 μg of ipratropium bromide plus 400 μg of salbuta- mol), using a metered-dose inhaler with a spacer device (InspirEase ® ; Schering-Plough ... differences in the baseline health status reached min- imal clinical significance, and may have influenced the changes in health status. However, except for the baseline score of...

Ngày tải lên: 18/06/2014, 19:20

... chan- nel gain of link l, g jl the channel gain between the transmit- ter of link j and the receiver of link l, σ l 2 the noise vari- ance at the receiver of link l,andr l the desired data rate in bits/second/Hertz ... Prakash, “Link schedul- ing in sensor networks: distributed edge coloring revisited,” in Proceedings of the IEEE 24th Annual Joint Conference of Com- puter...

Ngày tải lên: 22/06/2014, 06:20

... performing wrist- orienting motions in the following activities: pouring from a bottle, brushing teeth, or stirring a pot. “REACH” mode: locking joints I and III and releasing joint II results in ... field of robotics [14 -16, 20], where they were predominantly used in actuation of walking machines. Use of these actuators in haptic devices was limited to cases where the endpoint...

Ngày tải lên: 19/06/2014, 08:20

... skill after nine days of training. Note the absence of flexion in the middle, ring and pinky fingers. In this study, fractionation score (FS) is calculated as the angle of the active finger s metacarpophalangeal ... (red line) does not meet the target fractionation (blue line) The green line indicates the timing of successful key presses. Right Panel: When training using Algori...

Ngày tải lên: 19/06/2014, 08:20

... and finite bandwidth is W = (1 + λ) / 2T s . Due to the finiteness of the bandwidth, ideal RRC has infinite time duration. Vice versa, rectangular (REC) pulse finite in temporal domain has infinite ... infinite bandwidth and in this case, we use the fractional power-contain- ment bandwidth definition where W 99% is a bandwidth containing 99% of the tota l signal power. In t...

Ngày tải lên: 20/06/2014, 22:20

... focused on the evaluation of single algorithms based on a small number of test images and ad hoc tuning independent of input data. In this paper, we explain how the design of experiments applied ... Signal Processing Line/col convolution Gradient computing edge thresholding OREC ASIC Edge extraction thinning linking OPNI ASIC DSP Horizontal & vertical lines Video input Edge po...

Ngày tải lên: 22/06/2014, 23:20

... University of Newfoundland, Canada, in 2003, and is currently pursuing a Ph.D. in engineering also from Memorial University of Newfoundland in the field of nonlinear PDE models for image processing. ... proposed a mechanism of analysing and comparing halftone masks using a small window sliding across the dot profiles of the mask. Configurations of white and black pixels in th...

Ngày tải lên: 23/06/2014, 01:20

... side lobe greatly in uences the amplitude of the remaining side lobes in an inverse fash- ion, that is, increasing the first side-lobe amplitude decreases most of the remaining side-lobe amplitudes. ... method in the areas of digital beamforming and image processing. Keywords and phrases: w indow functions, ultraspherical window, beamforming, image processing, digital filters. 1. INT...

Ngày tải lên: 23/06/2014, 01:20