Radio Astronomy - 1st Edition - ISBN: 9780124608146, 9780323158978

Radio Astronomy

1st Edition

Editors: Berni Alder
eBook ISBN: 9780323158978
Imprint: Academic Press
Published Date: 28th August 1975
Page Count: 252
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Methods in Computational Physics, Volume 14: Radio Astronomy is devoted to the role of the digital computer both as a control device and as a calculator in addressing problems related to galactic radio noise. This volume contains four chapters and begins with a technical description of the hardware and the special data-handling problems of using radioheliography, with an emphasis on a selection of observational results obtained with the Culgoora radioheliograph and their significance to solar physics and to astrophysics in general. The subsequent chapter examines interstellar dispersion, its influence on time resolution, methods for its measurement, and removing its effect. This chapter also outlines resolution and sampling problems, as well as the computation of the average pulse profile. This chapter surveys also the intensity variations over time scales from microseconds to millions of years and over radio frequency ranges from 40 MHz to 10 GHz. Another chapter highlights the special case of rotational aperture synthesis and its problems, followed by a presentation of data processing necessary to convert the parameters observed with an aperture synthesis telescope into an intensity distribution of part of the sky. The last chapter discusses some data-acquisition and data reduction techniques, as well as some selected problems in data interpretation in spectral-line radio astronomy. This book will be of great importance to geoscientists, physicists, and mathematicians.

Table of Contents




I. Introduction

II. The Sun and Its Radio Image

III. The Principles of Radioheliography

IV. The Evolution of the Radioheliograph

V. The Culgoora Radioheliograph

VI. Culgoora Data Processing

VII. Solar Radio Astronomy with the Radioheliograph

VIII. Future Developments in Radioheliography


Pulsar Signal Processing

I. Introduction

II. Pulsar Searches

III. Dispersion

IV. Sampling, Resolution, and Average Profiles

V. Polarization

VI. Intensity Variations with Time

VII. Intensity Variations with Frequency

VIII. Interstellar Scattering and Scintillation

IX. Timing Measurements


Aperture Synthesis

I. Introduction

II. Aperture Synthesis

III. Earth Rotation Aperture Synthesis

IV. Data Processing

V. Conclusion


Computations in Radio-Frequency Spectroscopy

I. Introduction to Spectroscopy in Radio Astronomy

II. Power Spectra

III. Selected Problems in Calibration and Observing Techniques

IV. Selected Problems in Interpretation of Spectra


Author Index

Subject Index

Contents of Previous Volumes


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Academic Press
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About the Editor

Berni Alder

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