A Course in Radio Astronomy1959 - Radio astronomy - 296 pages |
Common terms and phrases
absorption coefficient aerial temperature angular Astrophys Aust bandwidth Bracewell brightness temperature Chapter charge collisions components constant contribution corona corresponding Crab Nebula curl degree of polarization determined dimensionless direction of propagation distribution effect electric vector electromagnetic emission emitted encounter energy equation factor field vectors Figure formula Fourier frequency fringe function given gyrating electrons H I clouds H II regions hence incident integral intensity interferometer interstellar ionized gas Lloyd's mirror magnetic field medium monochromatic motion neutral hydrogen noise number density observed obtained optical depth Phil Phys plasma oscillations Poynting flux radial velocities radiation field RADIO ASTRONOMY ratio ray trajectories receiver refractive index regions result sinē Smerd Snell's law solar atmosphere solid angle spectral spectrum spin temperature synchrotron telescope tensor tion transverse uninhibited propagation wave wavelengths Westfold whence ΔΩ