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Members of the Staff of the Radar School Massachusetts institute of technology. - Principles of Radar. By members of the Staff of the Radar School Massachusetts institute of technology.
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| Schrijver: | Members of the Staff of the Radar School Massachusetts institute of technology. |
| Titel: | Principles of Radar. By members of the Staff of the Radar School Massachusetts institute of technology. |
| ISBN: | |
| Uitgever: | McGraw-Hill Book Co. NY |
| Bijzonderheid: | 1946, second edition, 12 Chapters, hardcover (no jacket), 23,5 x 16 x 4,5 cm, numerous black and white diagrams and schematics, approx. 900 pp + index, 1250 g. |
| Prijs: | € 30,00 |
| Meer info | The cover is spotty and has fading and wear on the outside, especially on the spine where there is also a crease. The pages are clean and clear with no notes, markings, underlining or anything. There are signatures on the inside front cover. On the inside back cover there are some notes and the cover is slightly loose (see photo...). The binding is otherwise solid. Principles of radar. Members of the Staff, Radar School, Massachusetts Institute of Technology: This book was originally written for use as a reference text at the M.I.T. Radar School during the war. Although the second edition has been reworked and brought reasonably up to date, there remains some evidence of the high security classification of radar during the war years. This eliminates much of the most recent work on the subject. The book brings together in one place something of all the important wartime radar developments for the use of students and the numerous technical people who have been kept away from radar activity by other pursuits. The radar art has grown in the last few years to such an extent that it is not possible in this one volume to cover com- pletely all phases of the subject. For this reason the quantitative details which are necessary to an equipment design are missing, and the field of radar test equipment has been entirely excluded. However, a sufficient description of each technique is included to show its field of applicability. Advantage is taken of the numerous specialists available to M.I.T. by having a large number of contributors, each in his own field. It is surprising that the tones of the various chapters, written by different authors, have been kept as similar as they have. In a few instances the authors have made that mistake which is too common with technical writers-the procedure of giving the details of operation of a particular circuit or device without first having given both the purpose of the device and an outline of the fundamental concepts upon which its operation depends. The reader thus finds it necessary to read the exposition at least twice. However, on the whole, this kind of thing has been avoided, and the book has been kept reasonably easy to read. The ac- tion of multivibrators, for instance, has been well handled to avoid making this relatively simple device seem complicated. The early chapters cover an "Introduction" to radar; "Timing Circuits," including ringing circuits, blocking oscillators, and pulse-forming networks; and cathode-ray "Indicators," with the many possible circuits for producing sweep voltages or currents. A chapter is devoted to wide-band "Receivers," their noise problems, and the automatic frequency-control systems necessary at the extremely high radio frequencies sometimes employed. Transmitters are covered by three chapters on "Magnetrons," "Triode Transmitters," and "Modulators." The changes re- quired in these components to obtain short, high-power pulses in packages consistent with the low average power are significant. Separate chapters are provided on "Radio-Frequency Lines" and "Wave Guides and Cavity Resonators" in order to outline the many new techniques in these two fields. An especially long chapter on "Radar Antennas and Propagation" is needed to cover adequately the many forms which highly directive anten- nas may take. A chapter on "Transmit-Receive Devices" points out antenna-switching methods to permit the use of a single antenna alternately for transmitting and receiving. The text is concluded with a chapter on "Synchros and Servo-Mechanisms" to show, very briefly, how antenna position information may be delivered to suitable indicators and computers. |
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