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Free Download Radio Astronomy Techniques by R. N. Bracewell
English | PDF | 1962 | 91 Pages | ISBN : 3662386534 | 10.7 MB
Outline of the chapter. The first two parts of this chapter, concerned respectively with receivers and aerials, represent a selection from a vast field of radio technology. lt is true that the material has been selected for its relevance to radio astronomy, but it remains a body of information on practice in radio technology which is current in connection with quite other fields than radio astronomy. lt will be recognized as such by the expert in radio and will appear to him to be profoundly specialized in places and shallow to the point of omission in others. But parts li and III have not been written primarily for the expert in radio, they have been written for the physicist or astronomer, engaged in radio astronomy, who would benefit from a collected and orderly exposition of those parts of radio technique which are especially relevant to his work. Whilst the compilation consisted merely in selection, it is felt that the result will serve a valuable end, as the corpus from which the selection has been made is too ex-, tensive for one not specifically grounded in radio to use efficiently without guidance.
Very much of the material of prime importance for radio astronomy is available only in technical papers and some of the topics dealt with in parts li and III arenot properly covered in the literature at all. The theory of the radiometer is one item which is still in an incomplete state and the effect of errors on the performance of aerials is another.
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