Báo cáo hóa học: " Feedforward Delay Estimators in Adverse Multipath Propagation for Galileo and Modernized GPS Signals" pdf

... results showing the performance of various feedforward algorithms in multipath fading channels, as well as the implementa- tional complexity of the most promising feedforward tech- niques for Galileo and ... starting point when defining the search window for the new delay estimates. ferent in feedback and feedforward algorithms (i.e., for the former, typical measures...

Ngày tải lên: 22/06/2014, 23:20

... that feeds into subsequent processing blocks for identifying, localizing, and tracking radiating sources. This area has made remarkable advances in the past few decades, and is continuing to progress, ... B.S. degree in electrical engineering and the M.S. degree in array s ignal processing from the North- western Polytechnic University in 1993 and 1995 respectively, and th...

Ngày tải lên: 22/06/2014, 23:20

... Walking index for spinal cord injury (WISCI II): scale revision. Spinal Cord 2001, 39:654-656. 17. Van Hedel HJ, Markus W, Dietz V: Assessing walking ability in subjects with spinal cord injury: ... decrease of knee and ankle sagittal ROM during level walking and an increase in hip abduction to increase base of support. The findings of this study help to improve the understanding ho...

Ngày tải lên: 19/06/2014, 08:20

... Editor -in- Chief of this journal. Competing interests The authors declare that they have no competing interests. Authors' contributions GD contributed in visiting the case, and in revising the ... of lead. Moreover, the laboratory finding of basophilic stippling in peripheral smear could also be seen in thalassaemia as an indication of a defect in protein synthesis. This alt...

Ngày tải lên: 20/06/2014, 00:20

... mor- bidity and sampling error. The most commonly used molecular imaging technique in body imaging is currently FDG-PET. This has become the method of choice for stag- ing and restaging in ovarian ... levels are rising and conventional imaging, such as ultrasound, CT, or MRI, is inconclusive or negative. Recently, integrated PET/CT, in which a full-ring-detector clinical PET sca...

Ngày tải lên: 20/06/2014, 07:20

... fodder available to landless herders during winter scarcity and transhumance, and can cont ribute to delay ed arrival and reduce stocking pressure at both upland and lowland areas. The distribution ... lopped and provide foliage for intensive feeding during the scarce seasons. Table 1 summarizes the availability and use of fodder trees and shrubs during different seasons. I...

Ngày tải lên: 21/06/2014, 03:20

... reversed by tunin g the inter-lead coupling strength, resulting in sign change of the TMR. For large enough inter-lead coupling strength, the current spin polarizations for parallel and antiparallel ... the leads is fixed, both spin-up and spin-down line-width functions will be enhanced with increasing t LR , resulting in increased total current as shown in Figure 4(a). For th...

Ngày tải lên: 21/06/2014, 04:20

... contact-position-dependent damping or changes in boundary constraints, as might happen during moments of excitation. Instead we use a uniform damping value for the sounding object. 4. Validat ion ... respective DOF as a funct ion of ω and the elements of F are the amplitudes of the force, again depending on ω, acting at location and in direction of the corresponding DOF. Since the h...

Ngày tải lên: 21/06/2014, 08:20

... boundaries, indicating that it is indeed very close to being a Pareto-efficient operating point for various CCCs. By increasing α 12 = α 21 simultaneously, the utility region is expanded in that the intersections ... which incorporates the cost of transmission, for example, the price of spending power is considered in a binary variable in [13] and as an inverse factor in [14]. A s...

Ngày tải lên: 21/06/2014, 17:20

... used for C–V and I–V measurements. The heavily doped n ? Si with evaporated Al back contact serves as the gate during C–V testing. All samples were dried in air overnight and then were kept in ... junctions near the interface. Acknowledgments The authors would like to thank Dr. S. Taylor in the Department of Electrical Engineering and Electronics, University of Liverpool for h...

Ngày tải lên: 22/06/2014, 00:20