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690 results for “antennae”
1D-1V Vlasov-Poisson Simulations of Mutual Impedance Experiments for Strong Antenna Emission Amplitudes
<p>This dataset contains the outputs of numerical simulations performed to assess the impact of strong antenna emission amplitudes on the diagnostic performance of mutual impedance experiments. In the case of small emission amplitudes, the plasma response to the emission is linear. In the case of large emission amplitude, instead, non-linear wave-wave and wave-particle interactions are triggered. Using the outputs contained in this dataset, we investigated how such wave-wave and wave-particle interactions perturb mutual impedance experiments.</p> <p>Numerical model:<br> The outputs are obtained from a numerical model based on the solution of the 1D-1V Vlasov-Poisson system of equations. The scheme used to solve the model is the one developed by Mangeney, et al. (2002). <em>A Numerical Scheme for the Integration of the Vlasov-Maxwell System of Equations. Journal of Computational Physics</em>, (doi: <a href="https://doi.org/10.1006/jcph.2002.7071">https://doi.org/10.1006/jcph.2002.7071</a>). The 1D-1V Vlasov-Poisson version of this model is described in Henri, et al. (2010),<em> Vlasov-Poisson simulations of electrostatic parametric instability for localized Langmuir wave packets in the solar wind, Journal of Geophysical Research (Space Physics), 115, 6106 </em> <em>(</em>doi: <a href="https://doi.org/10.1029/2009JA014969">https://doi.org/10.1029/2009JA014969</a> <em>)</em> <em>.</em></p>
Figure 1 in Ultrastructural analysis of the antennae of Hemilucilia segmentaria (Diptera: Calliphoridae), a blowfly of forensic importance
Figure 1. Antennal ultrastructure of Hemilucilia segmentaria (Fabricius). (A) General view of antenna. The upper box shows the basal region of arista. The lower box shows three sensory pits on the postpedicel. (B) Detail of scape and pedicel in lateral view. The four arrows on the pedicel show the location of setiferous plaques (detail in box). (C) Posterior view of the pedicel showing the pedicellar cone and distal articular surface. Box D corresponds to Fig. 1D. The star indicates the location of the pedicellar button. (D) Detail of microtrichia on the distal articular surface. (E) Pedicellar button. (F) Detail of surface of postpedicel showing different types of sensilla and microtrichia. Abbreviations: Ar = Arista; Ba-I, Ba-II and Ba-III = sensilla basiconica subtype I, I and III, respectively; Br = bristles or setae; Co = sensilla coeloconica; Mt = microtrichia; Pc = pedicellar cone; Pd = pedicel; Pp = postpedicel; Sc = scape; Tr = sensilla trichoidea. Scale bars (µm): A = 100 (upper and lower box = 10), B = 100 (box = 12.5); C = 20; D = 10; E = 1; F = 10.
Figure 2 in Ultrastructural analysis of the antennae of Hemilucilia segmentaria (Diptera: Calliphoridae), a blowfly of forensic importance
Figure 2. Detail of sensilla on the postpedicel of Hemilucilia segmentaria (Fabricius). (A) Sensilla trichoidea (Tr) and sensilla basiconica subtype II (Ba-II). (B) Basal region of sensilla trichoidea, some pores are indicated by arrows. (C) Sensilla basiconica subtype I (Ba-I). (D) Sensilla basiconica subtype III (Ba-III). (E) Sensilla coeloconica subtype I (Co-I). (F) Sensory pit with sensilla coeloconica subtype II (Co-II). Scale bars (µm): A, C, D, E = 1; B = 200; F = 2.
I/Q measurements with 5G SRS signals and receiver 4-port 3D Vector Antenna for positioning studies
<p>This dataset contains the I\Q data of four received signals from a 4-port 3D Vector Antenna (3D VA) as well as *fig and *png examples of the angle of arrival (AoA)/azimuth angle estimation using the MUSIC algorithm based on the raw data. The data was collected from four ports (p5, p6, p7, p8) of a 3D VA provided by ENAC. A single Yagi antenna has been used as a transmitter at 2.1GHz carrier frequency and horizontal polarization.</p>
Experimental verification of field-enhanced molecular vibrational scattering at single infrared antennas -- Dataset
<p>This is the nano-FTIR data set as shown in Figs 3 and 5 of our publication "Experimental verification of field-enhanced molecular vibrational scattering at single infrared antennas" by D. Virmani et al. This data set was acquired with a NeaSNOM microscopy (attocube AG) and can be opened with Gwyddion (https://gwyddion.net/). Please see the files "notes.txt" within the zip file provided for an identification of the individual data sets.</p> <p> </p> <p>nano-FTIR data is provided as interferogram files ending in "Interferograms.txt.txt" within the individual folders containing the string "NF S".<br>Row: not used<br>Column: not used<br>Run: number of interferogram acquisition<br>Depth: pixel number within one interferogram<br>M: not used<br>O0A: amplitude in V of the 0th demodulation order<br>O0P: phase in radians of the 0th demodulation order<br>O1A: amplitude in V of the 1st demodulation order<br>O1P: phase in radians of the 1st demodulation order<br>O2A: amplitude in V of the 2nd demodulation order<br>O2P: phase in radians of the 2nd demodulation order<br>O3A: amplitude in V of the 3rd demodulation order<br>O3P: phase in radians of the 3rd demodulation order<br>O4A: amplitude in V of the 4th demodulation order<br>O4P: phase in radians of the 4th demodulation order<br>O5A: amplitude in V of the 5th demodulation order<br>O5P: phase in radians of the 5th demodulation order</p> <p> </p> <p>Additionally, s-SNOM images for finding the antennas prior to nano-FTIR spectroscopy can be found in the folders containing the string "WL"</p> <p> </p> <p>For help on how to read or interpret these data please refer to the corresponding authors of the paper.</p>
Fig. 2. Bogidiella veneris n. sp. from Venus Bay, South Australia. A-C, holotype (3.6 mm female); E, H, paratype 1 (3.0 mm female); D, F, G, paratype 3 (3.1 mm female). A, head; B, epimera 1-3; C, coxal plates 1-7 (from left to right), with brood plates exemplarily shown on coxa 4, and gills on coxae 4 and 5; D, antenna 1, with arrows pointing at enlarged accessory flagellum (above) and aesthetasc (below); E, antenna 2; F, maxilla 1; G, enlarged serrate setae from outer plate of maxilla 1; H, maxilla 2. Scale bars: A-E 5 0.1 mm; F, H 5 0.1 mm.
Fig. 2. Bogidiella veneris n. sp. from Venus Bay, South Australia. A-C, holotype (3.6 mm female); E, H, paratype 1 (3.0 mm female); D, F, G, paratype 3 (3.1 mm female). A, head; B, epimera 1-3; C, coxal plates 1-7 (from left to right), with brood plates exemplarily shown on coxa 4, and gills on coxae 4 and 5; D, antenna 1, with arrows pointing at enlarged accessory flagellum (above) and aesthetasc (below); E, antenna 2; F, maxilla 1; G, enlarged serrate setae from outer plate of maxilla 1; H, maxilla 2. Scale bars: A-E 5 0.1 mm; F, H 5 0.1 mm.
The supplementary material for antenna transfer function (arXiv: 1901.09624)
<p>The angular response for interferometric space based gravitational wave detectors, enclosed files are 2d and 3d plots animations for the response function when the detector moves in the orbit. File names started with LISA/lisa are for LISA, those with TianQin/tq are for TianQin. </p>
GNSS data collected with low-cost antennas
<p>The dataset contains GNSS data collected during ten days. To isolate the antenna-related errors from atmospheric propagation ones, an ultra-short baseline was used. A setup consisting of three types of low-cost antennas that support GPS, Galileo, GLONASS, and BeiDou systems measurements and gain<span> </span>> 25 dB was selected for the experiment. In addition, two surveying and geodetic grades Trimble antennas, provide benchmark performance results. The session duration at both mounting points and each measuring day was 16 hours, from 8:00:00 to 24:00:00 UTC. An interval of 5 s and an elevation mask of 0° were adopted.</p>
Data repository of FDTD GPR antenna optimization by Sam Stadler
<p>This is the data repository for the article by Sam Stadler and Jan Igel by the name "Developing realistic FDTD GPR antenna surrogates via full-waveform inversion by means of particle swarm optimization". In this repository, all the measurement data, simulated data, and high-resolution figures are stored for further use.</p>
Data Set: Balanced Magnetic Antenna for Partial Discharge Measurements in Gas-Insulated Substations
<p>Data set for the publication named: Balanced Magnetic Antenna for Partial Discharge Measurements in Gas-Insulated Substations. Each header corresponds to the figure and legend.</p>
Retrieving accurate precipitable water vapor based on GNSS multi-antenna PPP with an ocean-based dynamic experiment
<p>GNSS-derived PWVs during a 4-day shipborne experiment are included in this repository. There are four solutions with four different processing strategies, namely PPP without constraints (Conventional), with baseline length constraint only (Bl), with common ZTD constraint only (Com), and with both baseline length and common ZTD constraints (Bl+Com). The suffix 'Smooth' in the file names represents the PWV results after backward smoothing.</p>
Improved Large Area Photoconductive Antenna Design For High Field THz Generation
<p><strong>An improved large area design has been developed for LT-GaAs photoconductive antenna arrays fabricated on optically transparent sapphire substrates to generate high field terahertz (THz) radiation. By optimising a design to support larger biasing fields, a 1.5 times improvement in signal strength resulting in fields of up to ~200 kV/cm is reported</strong></p>
Figures 1–3. Antennae. 1 in Two new genera of Enopliinae, Skelleyus and Divulgoatus (Coleoptera: Cleridae)
Figures 1–3. Antennae. 1) Divulgoatus discrepans. 2) D. kelleri. 3) Skelleyus leavengoodi.
DataSet: Partial Discharge Power Flow in Gas-Insulated Substations Using Magnetic and Electric Antennas
<p>Dataset of the measurements presented in the paper "Partial Discharge Power Flow in Gas-Insulated Substations Using Magnetic and Electric Antennas" in the conference ISH 2023</p>
Dataset: Magnetic and electric antennas synergy for partial discharge measurements in gas-insulated substations: Power flow and reflection suppression
<p>Data set for the publication named: Magnetic and electric antennas synergy for partial discharge measurements in gas-insulated substations: Power flow and reflection suppression. Each header corresponds to the figure and legend.</p>
Dataset: Magnetic and electric antennas calibration for partial discharge charge estimation in gas-insulated substations
<p>Data set for the publication named: Magnetic and electric antennas calibration for partial discharge charge estimation in gas-insulated substations</p>
A hydrodynamic antenna: novel lateral line design in the tail of myliobatid stingrays
Open the record for dataset details and reuse information.
Data from: Organic electro-scattering antenna: Wireless and multisite probing of electrical potentials with high spatial resolution
Open the record for dataset details and reuse information.
Figure 3 in Antennae and the role of olfaction and contact stimulation in mate recognition by males of the pollinating fig wasp Ceratosolen gravelyi (Hymenoptera: Agaonidae)
Figure 3. Micrographs of the antennae and chemosensory sensilla of male Ceratosolen gravelyi. (a) Scanning electron micrograph of the head and antennae, showing an exposed area of the 2nd–3rd flagellomeres (F2–F3). (b) Scanning electron micrographs of an excised antenna, showing the scape (Sc), pedicel (Pe) and flagellum (F). (c) High magnification image of the terminal flagellomere (the 3rd flagellomere, F3) showing the three types of chemoreception sensilla: multiporous plate sensilla (MPS) and basiconic sensilla types 1 (BS-1) and 2 (BS-2). Note the terminal indentation (De) in the BS on the insets in the lower left corner. (d) Longitudinal section of a multiporous plate sensillum showing dendritic branches (DB) running parallel to the sensillar lymph (SL) and ending with cuticular pores (Po) at the sensillum surface. (e) Longitudinal section of the basal area of a basiconic sensilla type 1 inserted into a socket surrounded by a raised cuticular ring (CR). (f) Longitudinal section of the basal area of a basiconic sensilla type 2. (g–i) Cross-sections of a multiporous plate sensillum and basiconic sensilla types 1 and 2. The sensillar wall (SW) of BS-1 and BS-2 is non-porous at this level.
FIGURES 29–32. Male antennae. 29 in Review of Chinese species of the Oxylipeurus - complex (Phthiraptera: Philopteridae), with descriptions of two new genera and five new species
FIGURES 29–32. Male antennae. 29, Reticulipeurus ithaginis (Clay, 1938) ex Ithaginis cruentus. 30, Megalipeurus sinensis new species ex Arborophila gingica. 31, Sinolipeurus tetraophasis (Clay, 1938) ex Tetraophasis obscurus. 32, Sinolipeurus sichuanensis new species ex Tragopan temminckii. All figures drawn to same scale.
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International Brain Laboratory public data
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