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8 results for “Wave Plots”
Comparing recent PTA results on the nanohertz stochastic gravitational wave background - full noise and GWB parameter comparison plots
<p>A full collection of plots comparing the noise properties of individual pulsars and gravitational wave background parameters discussed in the companion paper <em>Comparing recent PTA results on the nanohertz stochastic gravitational wave background</em> (IPTA 2024).</p> <p><code>Section4_GWB_comparison.zip</code> supplements and expands section 4.1, "Comparing the published GWB measurements," of IPTA (2024). It contains parameter difference distributions for GWB model parameters. There are four different models included. The HD correlated powerlaw (PL) model make up the basis for Figure 2. Additionally, there are three comparisons not included in IPTA (2024). First, comparisons the common uncorrelated red noise (CURN) PL model are included. Finally, comparisons of two free spectral (FS) models (HD and CURN) are included. These comparisons fit the HD and CURN FS posteriors using the <code>ceffyl</code> software package, and then compare the parameters of the resulting powerlaw fits.</p> <p><code>Section5_Noise_comparison.zip</code> supplements section 5, "Comparing Pulsar Noice Properties," of IPTA (2024). It contains plots for 27 pulsars timed by more than one PTA collaboration, including the plots for PSR J1012+5307, which are presented in Figure 7. The plots include noise parameter posteriors, time domain GP realizations, TOA residuals, and TOA radio frequency.</p>
Data and plotting code for "Energetic electron scattering by kinetic Alfvén waves at strong magnetic field gradients of dipolarization front"
<p>This publication includes the dataset and plotting code for reproducing results and figures of the manuscript "Energetic electron scattering by kinetic Alfvén waves at strong magnetic field gradients of dipolarization front", which was submitted to Physics of Plasma for potential publication. In this paper, we use test particle simulations to study energetic electron pitch angle and momentum scattering driven by kinetic Alfvén waves, at the magnetic field gradients associated with the dipolarization front, current sheet and plasma sheet fields in the magnetotail. </p> <p>The simulation data contains time history of 1000 test particle trajectories, momentum, energy, and KAW wave phases recorded every 0.001 second. Each simulation for different electron energies and pitch angles has a size of over 1 GB, so here we have only included one example of test particle simulation run associated with Figure 3. Only the final results of pitch angle diffusion coefficients are provided associated with Figure 4. A full set of time history results of all test particle simulation runs for Figure 4 will be available upon reasonable request (yshen@epss.ucla.edu). </p> <p>Detailed descriptions:</p> <p> PoP_figure_1.m --- Matlab plotting code for reproducing magnetic field model and geometry for Figure 1.</p> <p> PoP_figure_2.m --- Matlab plotting code for reproducing resonant energy as a function of wave normal angle, electron pitch angle, and field model parameters in Figure 2.</p> <p> PoP_figure_3.m --- Reading test particle simulation data and plotting code for reproducing Figure 3. Please ensure proper directory setting to read test particle data files. </p> <p> PoP_figure_4_5.m --- Reading saved bounce-averaged diffusion coefficient data and plotting Figure 4 and Figure 5.</p> <p> Daa_Energy_alpha_ad3xp15_e1.csv --- Electron diffusion coefficients driven by KAW scattering as a function of energy and pitch angle obtained from test particle simulations. KAW wave amplitude is set to 1 mV/m. Electrons are initiated from a position of x=150 km within the dipolarization front.</p> <p> Tau_Energy_alpha_xp15.csv --- Electron bounce periods as a function of energy and pitch angle based on numerical test particle simulations without KAW input.</p> <p> pKAW_1000p_dify_E100keV_PA5_Daa_E4_pop.zip --- Data files containing 1000 test particle trajectories, momentum and adiabatic invariant. This one single run is for electrons with an energy of 100 keV and a pitch angle of 5 degree, under influence of KAW wave electric field of 4 mV/m. This dataset is used to plot Figure 3. </p> <p> pKAW_1000p_dify_init_Ppara_mue_E100_PA4_Daa_E4_pop.dat --- initial parallel momentum and first adiabatic invariant of 1000 test particles. Read this file for plotting Figure 3. </p> <p> Bxyz.m --- calculate model magnetic field for given positions in x, y, and z</p> <p> FAC.m --- convert local x, y, z coordinates to field-aligned coordinates</p> <p> gradB.m --- calculate the gradient of magnetic field for given positions in x, y, and z</p> <p> E_to_pnorm_hsr.m --- calculate normalized momentum based on relativistic electron energy</p> <p> mysubplot.m --- plotting function to replace subplot routine of Matlab</p> <p> </p> <p> </p>
Plots of potential function of ion-acoustic waves
<p>Plots of the potential function of ion-acoustic waves under the KdV equation for nonextensive parameter (a) q = -0.4, (b) q = 0.1, (c) q = 1 and (d) q = 1.2. Here, the local minima of potential curves (a)-(d) show the existence of solitary wave solutions. The positive region corresponds to a compressive solitary solution and negative region corresponds to rarefactive solitary wave solution. </p>
FIGURE 19. Wave plots illustrating a in A revision of the Ewartia oldfieldi (Distant) species complex (Hemiptera: Cicadidae: Cicadettinae) with five new species from eastern and northern Australia
FIGURE 19. Wave plots illustrating a short duration subphrase example from the complex calling song mode of Ewartia lapidosa n. sp. This is presented as two single subphrases, one of which is broken into its various components. A and B: each a single subphrase in its entirety. C: expanded diagram of the first half of the subphrase (from B above), showing several a sequence of syllables interspersed occasionally with short macrosyllables (syllable doublets). D: expanded diagram of the second half of the subphrase (from B), showing two macrosyllables, each separated by two syllables, followed by an echeme, four syllables, and the accentuation, which contains two macrosyllables separated by two syllables. The recording was obtained from Miles (26°37'S 150°10'E) using RS3 (see Methods).
FIGURE 18. Wave plots illustrating a in A revision of the Ewartia oldfieldi (Distant) species complex (Hemiptera: Cicadidae: Cicadettinae) with five new species from eastern and northern Australia
FIGURE 18. Wave plots illustrating a single, intermediate duration subphrase example from the complex calling song mode of Ewartia lapidosa n. sp., presented as two single subphrases, one of which is broken into its various components. A and B: each a single subphrase in its entirety. C and D: expanded diagram of the opening and middle sections of the subphrase (from B above), showing several macrosyllables, each separated by 1–3 syllables. E: expanded diagram of the end of the subphrase (from B), showing a series of macrosyllables, increasing successively in duration and each punctuated by 2–3 syllables, followed by a short echeme, two syllables, another macrosyllable, a syllable sequence, and the accentuation, which contains two macrosyllables separated by two syllables. The recording was obtained from Capertee (33°07'S 150°08'E) using RS6 (see Methods).
FIGURE 16. Wave plots illustrating a in A revision of the Ewartia oldfieldi (Distant) species complex (Hemiptera: Cicadidae: Cicadettinae) with five new species from eastern and northern Australia
FIGURE 16. Wave plots illustrating a single, long duration subphrase example from the complex calling song mode of Ewartia lapidosa n. sp. A: complete subphrase. B: expanded diagram of the start of the subphrase (from A above), showing several macrosyllables, each separated by 3–14 syllables. C: expanded diagram of the middle of the subphrase (from A), showing a long sequence of syllables, interrupted by a single macrosyllable. D: expanded diagram of the end of the subphrase (from A), showing a series of macrosyllables, increasing successively in duration and each punctuated by 3–4 syllables, followed by a climactic echeme, an additional short syllable sequence, another macrosyllable and a longer syllable sequence, which then proceeds to an accentuation, containing three macrosyllables followed by long gaps and each separated by 1–2 syllables. The recording was obtained from Bringalily State Forest (28°11'S 151°07'E) using RS3 (see Methods).
FIGURE 17. Wave plots illustrating a in A revision of the Ewartia oldfieldi (Distant) species complex (Hemiptera: Cicadidae: Cicadettinae) with five new species from eastern and northern Australia
FIGURE 17. Wave plots illustrating a single, long duration subphrase example from the complex calling song mode of Ewartia lapidosa n. sp. A: complete subphrase. B and C: expanded diagram of the initial part of the subphrase (from A above), showing several macrosyllables, each separated by 2–3 syllables. D: expanded diagram of the middle of the subphrase (from A), also showing several syllables, separated by a gradually increasing number of syllables (2–5). E: expanded diagram of the end of the subphrase (from A), showing a series of macrosyllables, increasing successively in duration and each punctuated by a syllable sequence (10–16 syllables), followed by a climactic echeme, an additional short syllable sequence, then an accentuation, containing two macrosyllables separated by a long gap, which is broken by four syllables. The recording was obtained from White Mountains (20°43'S 145°13'E) using RS3 (see Methods).
Plots source data for the Communications Earth & Environment research article titled: Diurnal expansion and contraction of englacial fracture networks revealed by seismic shear wave splitting
<p>The source data for plotting figures presented in the main text of article titled: Diurnal expansion and contraction of englacial fracture networks revealed by seismic shear wave splitting.</p>
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International Brain Laboratory public data
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OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.