Stacked Multiband Fractal Patch Antennas

In this work, the Sierpinski carpet microstrip patch is modified by stacking iterations to achieve multiband frequency operation and miniaturization

Modified Multiband Sierpinski Gasket Monopole Antennas

We present printed modified Sierpinski triangle and carpet monopole antennas. To reduce the overall size of the Sierpinski gasket antenna, the ground plane is printed on the backside of the substrate. The Sierpinski triangle gasket is made and compared with the modified Sierpinski triangle and carpet or truncated triangle gasket monopole antennas

Parallel Processing Method for Airborne Laser Scanning Data Using a PC Cluster and a Virtual Grid

In this study, a parallel processing method using a PC cluster and a virtual grid is proposed for the fast processing of enormous amounts of airborne laser scanning (ALS) data. The method creates a raster digital surface model (DSM) by interpolating point data with inverse distance weighting (IDW), and produces a digital terrain model (DTM) by local minimum filtering of the DSM. To make a consistent comparison of performance between sequential and parallel processing approaches, the means of dealing with boundary data and of selecting interpolation centers were controlled for each processing node in parallel approach. To test the speedup, efficiency and linearity of the proposed algorithm, actual ALS data up to 134 million points were processed with a PC cluster consisting of one master node and eight slave nodes. The results showed that parallel processing provides better performance when the computational overhead, the number of processors, and the data size become large. It was verified that the proposed algorithm is a linear time operation and that the products obtained by parallel processing are identical to those produced by sequential processing

Fig 3 -

(a) The circular genome map of Thamnaconus multilineatus. (b) Comparison of homology for each DNA sequence between T. multilineatus and T. tessellatus.</p

External view of <i>Thamanconus multilineatus</i>.

(a) Specimen collected from Eastern Jeju island (present study, SL: 150.0 mm); (b) Specimen collected from Bitung, Indonesia (Peristiwady et al., 2010, SL: 192.0 mm); (c) Specimen collected from Northern Jeju island, Korea (Myoung et al., 2018, SL: 174.5 mm).</p

Characteristics of the skeleton of <i>Thamnaconus multilineatus</i>.

Characteristics of the skeleton of Thamnaconus multilineatus.</p

The osteological structure of <i>Thamnaconus multilineatus</i>.

A: Lateral view of the cranium, B: Dorsal and ventral view of the cranium. C: Vertebrae, D: Opercular region, E: Jaw bones, F: Hyoid arch, branchiostegal rays, and urohyal, G: Mandibular region, H: Shoulder girdle. AN: Angular; AR: Articular; BO: Basioccipital; BP: Basal pterygiophore; BR: Branchiostegal rays; C: Centrum; CL: Cleithrum; CC: Coracoid; CH: Ceratohyal; D: Dentary; DH: Dorsal hypohyal; E: Ethmoid; EC: Ectopterygoid; EH: Epihyal; EO: Epiotic; EP: Epural; EXO: Exoccipital; F: Frontal; HM: Hyomandibular; HS: Hemal spine; HY: Hypural; IH: Interhyal; IOP: Interoperculum; M: Maxillary; ME: Metapterygoid; MP: Mesopterygoid; NS: Neural spine; OP: Operculum; P: Palatine; PA: Parasphenoid; PC: Postcleithra; PF: Prefrontal; PM: Premaxillary; POP: Preoperculum; POS: Posttemporal; PH: Parhypural; PR: Prootic; PT: Pterotic; PV: Pelvis; Q: Quadrate; SC: Supracleithrum; SCA: Scapula; SO: Supraoccipital; SOP: Suboperculum; SP: Sphenotic; SY: symplectic; U: Urostyle; UR: Urohyal; V: Vomer; VH: Ventral hypohyal; 1st DS: First dorsal spine; 2nd DS: Second dorsal spine. Scale bars indicate 10 mm.</p

Comparison of morphometric and meristic traits among <i>Thamnaconus multilineatus</i>.

Comparison of morphometric and meristic traits among Thamnaconus multilineatus.</p