Signal and noise in helioseismic holography

Physics & Astronomy

• holography 69%
• solar interior 42%
• solar oscillations 41%
• acoustics 32%
• perturbation 28%
• Green's functions 23%
• signal to noise ratios 23%
• spatial resolution 22%
• helioseismology 18%
• Helmholtz equations 17%
• wave excitation 16%
• pupils 15%
• Born approximation 15%
• imaging techniques 13%
• wave equations 13%
• low frequencies 10%
• oscillations 9%
• wavelengths 6%

Earth & Environmental Sciences

• holography 100%
• oscillation 34%
• perturbation 33%
• Green function 33%
• signal-to-noise ratio 28%
• speed 27%
• spatial resolution 22%
• Born approximation 20%
• noise level 15%
• wave equation 15%
• density current 14%
• acoustics 11%
• wavelength 10%
• method 6%
• modeling 5%