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A new method of matrix template matching is presented in the context of pulsar timing analysis. Pulse arrival times are typically measured using only the observed total intensity light curve. The new technique exploits the additional timing…

Astrophysics · Physics 2017-08-02 W. van Straten

We present new formalism for description of the neutrino oscillations in matter with varying density. The formalism is based on the Magnus expansion and has a virtue that the unitarity of the S-matrix is maintained in each order of…

High Energy Physics - Phenomenology · Physics 2010-05-12 A. N. Ioannisian , A. Yu. Smirnov

The eccentricity of a planet's orbit and the inclination of its orbital plane encode important information about its formation and history. However, exoplanets detected via direct-imaging are often only observed over a very small fraction…

Earth and Planetary Astrophysics · Physics 2021-05-05 Rodrigo Ferrer-Chávez , Jason J. Wang , Sarah Blunt

GAIA leads us to step into a new era with a high astrometry precision of 10 uas. Under such a precision, astrometry will play important roles in detecting and characterizing exoplanets. Specially, we can identify planet pairs in mean motion…

Earth and Planetary Astrophysics · Physics 2016-12-23 Dong-Hong Wu , Hui-Gen Liu , Zhou-Yi Yu , Hui-Zhang , Ji-Lin Zhou

We present measurements of ratios of elements of the scattering matrix of Martian analogue palagonite particles for scattering angles ranging from 3 to 174 degrees and a wavelength of 632.8 nm. To facilitate the use of these measurements in…

Astrophysics · Physics 2009-11-13 E. C. Laan , H. Volten , D. M. Stam , O. Munoz , J. W. Hovenier , T. L. Roush

The dynamical evolution of the solar system is chaotic with a Lyapunov time of only $\sim$5 Myr for the inner planets. Due to the chaos it is fundamentally impossible to accurately predict the solar system's orbital evolution beyond…

Earth and Planetary Astrophysics · Physics 2022-08-31 Richard E. Zeebe

This research explores the enhancement of lunar landing precision through an advanced structured light system, integrating machine learning, Iterative Learning Control (ILC) and Structured Illumination Microscopy (SIM) techniques. By…

Systems and Control · Electrical Eng. & Systems 2024-10-22 Tarek A. Elsharhawy , P. James Schuck , Shuo Liu , Luc Saikali

Strapdown inertial navigation research involves the parameterization and computation of the attitude, velocity and position of a rigid body in a chosen reference frame. The community has long devoted to finding the most concise and…

Robotics · Computer Science 2021-02-25 Wei Ouyang , Yuanxin Wu

We demonstrate the results of an attempt to match the two-soliton analytical solution with the numerically produced solutions of the Einstein field equations, that describe the spacetime exterior of rotating neutron stars, for arbitrary…

General Relativity and Quantum Cosmology · Physics 2012-01-31 George Pappas

Modular Aerial Robot Systems (MARS) consist of multiple drone modules that are physically bound together to form a single structure for flight. Exploiting structural redundancy, MARS can be reconfigured into different formations to mitigate…

Robotics · Computer Science 2025-09-18 Rui Huang , Zhiyu Gao , Siyu Tang , Jialin Zhang , Lei He , Ziqian Zhang , Lin Zhao

In this work, we propose the use of Ground Penetrating Radar (GPR) for rover localization on Mars. Precise pose estimation is an important task for mobile robots exploring planetary surfaces, as they operate in GPS-denied environments.…

Robotics · Computer Science 2025-11-04 Anja Sheppard , Katherine A. Skinner

Dynamical models of planet formation coupled with cosmochemical data from martian meteorites show that Mars' isotopic composition is distinct from that of Earth. Reconciliation of formation models with meteorite data require that Mars grew…

Earth and Planetary Astrophysics · Physics 2018-09-12 Jason Man Yin Woo , Ramon Brasser , Soko Matsumura , Stephen J. Mojzsis , Shigeru Ida

Via circle pattern techniques, random planar triangulations (with angle variables) are mapped onto Delaunay triangulations in the complex plane. The uniform measure on triangulations is mapped onto a conformally invariant spatial point…

Mathematical Physics · Physics 2013-12-23 Francois David , Bertrand Eynard

The Mars Express (MEX) mission has been successfully operated around Mars since 2004. Among many results, MEX has provided some of the most accurate astrometric data of the two Mars moons, Phobos and Deimos. In this work we present new…

Earth and Planetary Astrophysics · Physics 2021-06-23 V. Lainey , A. Pasewaldt , V. Robert , P. Rosenblatt , R. Jaumann , J. Oberst , T. Roatsch , K. Willner , R. Ziese , W. Thuillot

A theoretical framework for emission originating from rapidly rotating oblate compact objects is described in detail. By using a Hamilton-Jacobi formalism, we show how the special relativistic rotational effects such as aberration of…

High Energy Astrophysical Phenomena · Physics 2018-07-18 Joonas Nättilä , Pauli Pihajoki

The renewed global interest in lunar exploration requires new orbital strategies to ensure flight safety which can benefit extended lunar missions and service a plethora of planned instruments in the lunar orbit and surface. We investigate…

Instrumentation and Methods for Astrophysics · Physics 2025-11-26 A. K. de Almeida , V. M. de Oliveira , T. Vaillant , D. Maia , A. C. M. Correia , D. Barbosa , L. T. B. Santos

Using the shift-operator technique, a compact formula for the Fourier transform of a product of two Slater-type orbitals located on different atomic centers is derived. The result is valid for arbitrary quantum numbers and was found to be…

Materials Science · Physics 2009-11-13 T. A. Niehaus , R. López , J. F. Rico

One constructs new operations of pull-back and push-forward on valuations on manifolds with respect to submersions and immersions. A general Radon type transform on valuations is introduced using these operations and the product on…

Metric Geometry · Mathematics 2014-08-14 Semyon Alesker

We present improved Mars Odyssey Neutron Spectrometer (MONS) maps of near-surface Water-Equivalent Hydrogen (WEH) on Mars that have intriguing implications for the global distribution of "excess" ice, which occurs when the mass fraction of…

Earth and Planetary Astrophysics · Physics 2017-12-05 Asmin V. Pathare , William C. Feldman , Thomas H. Prettyman , Sylvestre Maurice

A highly precise model for the motion of a rigid Earth is indispensable to reveal the effects of non-rigidity in the rotation of the Earth from observations. To meet the accuracy goal of modern theories of Earth rotation of 1 microarcsecond…

Earth and Planetary Astrophysics · Physics 2012-02-28 E. Gerlach , S. Klioner , M. Soffel
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