Results 221 to 230 of about 2,080,407 (258)
Some of the next articles are maybe not open access.
Research on the Symbolization Method of Single-Line Rivers Based on the River System Structure
2013 International Conference on Virtual Reality and Visualization, 2013In traditional map, considering only the river itself, we use fine line to thick line from upstream to downstream, but without the relationship of rivers. Paper assign the width of river based on the structural model of the water system, to avoid the conflicting situation, and realize the automatic drawing of river system by using the gradient method ...
Wang Wei-Wu, Zhu Xia, Li Xian
openaire +1 more source
Method for precise measurement of small parameter changes of single lines
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 1984Abstract A precise measurement method, called Residual-Area-Analysis Method (RAAM), is described for Mossbauer-parameter changes of single symmetric or nearly symmetric lines with arbitrary shape. The method (useful in other fields as well) is a generalization of the q.a.d.s.
openaire +1 more source
Prenatal Diagnosis, 2013
ABSTRACTObjectivesTo compare three methods of cervical length measurements using ultrasound in the first trimester: single‐line, two‐line, and tracing.MethodsImages appropriate for cervical length measurements were obtained using transvaginal ultrasound between 11 + 0 and 13 + 6 weeks’ gestation.
J D, Retzke +4 more
openaire +3 more sources
ABSTRACTObjectivesTo compare three methods of cervical length measurements using ultrasound in the first trimester: single‐line, two‐line, and tracing.MethodsImages appropriate for cervical length measurements were obtained using transvaginal ultrasound between 11 + 0 and 13 + 6 weeks’ gestation.
J D, Retzke +4 more
openaire +3 more sources
A method of single line diagram layout and optimization for regional distribution system based on GA
2018 Chinese Control And Decision Conference (CCDC), 2018A method of single line diagram layout and optimization for regional distribution system is proposed. Taking the minimum difference between the nodes number in a distribution line and the occupancy grids number in a path as the objective function, with well-designed crossover operator and mutation operator, the GA algorithm can be utilized to seek the ...
Boxi Zhou +6 more
openaire +1 more source
Single line correction method to remove aircraft roll errors in hyperspectral imagery
Journal of Applied Remote Sensing, 2008Hyperspectral data acquired using airborne push-broom sensors frequently contain geometric distortion caused by aircraft motion. This paper presents a simple single reference line algorithm to correct push-broom imagery for geometric distortions resulting from aircraft roll during the scan period.
openaire +1 more source
SID Symposium Digest of Technical Papers, 2013
Abstract A combined single‐line and multi‐line scanning method reduces the address period while maintaining image quality. This is important for realizing 4000 line TV displays. Peak signal to noise ratio of the test images exceeds 40 dB when the number of simultaneously scanned line is 2.
Chiharu Suzuki, Tomokazu Shiga
openaire +1 more source
Abstract A combined single‐line and multi‐line scanning method reduces the address period while maintaining image quality. This is important for realizing 4000 line TV displays. Peak signal to noise ratio of the test images exceeds 40 dB when the number of simultaneously scanned line is 2.
Chiharu Suzuki, Tomokazu Shiga
openaire +1 more source
2018 International Conference on Power System Technology (POWERCON), 2018
Single-line-to-ground (SLG) faults account for a large proportion of faults in the distribution network. Because of the asymmetry of parameters in the actual operation of power grid, the traditional criterion based on strict symmetry of system parameters may fail.
Mingwen Ma +4 more
openaire +1 more source
Single-line-to-ground (SLG) faults account for a large proportion of faults in the distribution network. Because of the asymmetry of parameters in the actual operation of power grid, the traditional criterion based on strict symmetry of system parameters may fail.
Mingwen Ma +4 more
openaire +1 more source
Russian Electrical Engineering, 2008
The peculiarities of detection using the location method of single-line-to-ground faults in the electricity transmission lines (ETLs) with 6–35 kV of tree topology and linear structures of 110 kV and higher have been studied. Ways of recognizing reflectograms if there is a fault in the ETL are presented.
R. G. Minullin +4 more
openaire +1 more source
The peculiarities of detection using the location method of single-line-to-ground faults in the electricity transmission lines (ETLs) with 6–35 kV of tree topology and linear structures of 110 kV and higher have been studied. Ways of recognizing reflectograms if there is a fault in the ETL are presented.
R. G. Minullin +4 more
openaire +1 more source
An analytic method for the least-squares fitting of single-line thick-absorber Mössbauer spectra
Nuclear Instruments and Methods, 1973Abstract A method is presented which expresses the integral for the Mossbauer thick-absorber line shape as a rapidly converging series. This method also permits calculation of the first derivatives of the absorption function so that the line-shape integral can easily be used for the least-squares fitting of experimental spectra.
openaire +1 more source
Applied Mechanics and Materials, 2015
In this paper, a novel fault location algorithm in distribution networks based on combination of impedance based method is presented. The voltage sag and current swell from the measurement node are used as input data to estimate the fault distance. To improve the accuracy of the proposed method, the voltage sag and current swell in the un-faulted phase
L.J. Awalin +3 more
openaire +1 more source
In this paper, a novel fault location algorithm in distribution networks based on combination of impedance based method is presented. The voltage sag and current swell from the measurement node are used as input data to estimate the fault distance. To improve the accuracy of the proposed method, the voltage sag and current swell in the un-faulted phase
L.J. Awalin +3 more
openaire +1 more source