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High Angular Resolution Observations of Binary Brown Dwarfs
We present the result of our recent high angular resolution observations of binary brown dwarfs in imaging and spectroscopy. We compare the two...
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High Angular Resolution Analyses of Herbig-Haro Jets
In present days, high angular resolution is making the difference in our understanding of Herbig-Haro jets associated with forming stars. To support...
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Information transmission through parallel multi-task-based recognition of high-resolution multiplexed orbital angular momentum
Orbital angular momentums (OAMs) greatly enhance the channel capacity in free-space optical communication. However, demodulation of superposed OAM to...
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Grid-Based Imaging of X-rays and Gamma Rays with High Angular Resolution
This chapter contains an overview of the basic principles of X-ray and gamma-ray imaging for astronomy that achieve high angular resolution with...
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Prompt Cusp Formation and Angular Momentum
AbstractIn this study, we expand on White’s model proposed in [1], which explores the post-collapse evolution of density peaks while incorporating...
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Angular Momentum
The rotations of systems play a fundamental role in physics, be it in atomic spectra, in magnetic resonance imaging as well as in the stabilization...
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The Structure of the Young Stellar Outflows Revealed by High Angular Resolution [Fe II] λ 1.644 μ m Spectroscopy
We introduce results of the [Fe ii] λ1.644 μm spectroscopic observations toward the outflows emanating from L1551 IRS 5, DG Tau, HL Tau, and RW Aur....
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Using the Maximum-Likelihood Method for the Angular Resolution of the Signal Sources in Multibase Phase Direction Finders
We show that the angular resolution of the signal sources in the phase direction finders with the antenna systems in the form of linear arrays of the...
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High angular resolution gravitational wave astronomy
Since the very beginning of astronomy the location of objects on the sky has been a fundamental observational quantity that has been taken for...
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Study of water Cherenkov detector to improve the angular resolution of an air-shower array for ultra-high-energy gamma-ray observation
For research on cosmic gamma rays with energies in the range of several tens of teraelectronvolts or more, we investigated a method to improve the...
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Orbital angular momentum lasers
Light can be tailored to carry angular momentum well beyond the restriction of its two spin states, left- and right-circularly polarized light, by...
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Grid-Based Imaging of X-rays and Gamma Rays with High Angular Resolution
This chapter contains an overview of the basic principles of X-ray and gamma-ray imaging for astronomy that achieve high angular resolution with...
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Angular Momentum Theory
Angular momentum theory is presented from the viewpoint of the group SU(1) of unimodular unitary matrices of order 2. This is the basic quantum...
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Arbitrary acoustic orbital angular momentum detection using dual-layer metasurfaces
Orbital angular momentum (OAM), with its unique physical properties and vast application prospects, has attracted widespread attention in various...
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Super-resolution diffractive neural network for all-optical direction of arrival estimation beyond diffraction limits
Wireless sensing of the wave propagation direction from radio sources lays the foundation for communication, radar, navigation, etc. However, the...
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pH dependence of perturbed angular correlation in DOTA chelated \(^{111}\)In measured with ring-shape gamma-ray detectors
The conventional nuclear medical imaging, such as PET and SPECT, visualizes the accumulation of radioisotopes in the human body and has been widely...
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Simultaneous multiple angular displacement estimation precision enhanced by the intramode correlation
Most of the studies have focused on the single-angular displacement estimation, while the multiple angular displacement estimation in ideal and noisy...
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Angular Resolution of Closely Spaced Signal Sources Using a Two-Dimensional Antenna Array on the Basis of the Minimum-Polynomial Method
We consider the problem of estimating the angular coordinates of closely spaced signal sources using a rectangular antenna array with an arbitrary...
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Anisotropic fluctuations of angular momentum of heavy quarks in the Glasma
We study the evolution of the angular momentum of the heavy quarks in the very early stage of high-energy nuclear collisions, in which the background...
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