This thesis addresses the key challenge of improving multi-threat RF environment simulator capability and fidelity to the level where most, if not all electronic warfare receiver performance could be adequately proven on ground-based test facilities rather than by expensive and difficult to repeat flight trials. For over 25 years the author has investigated his claim that this could be achieved, enabled by suitably enhanced RF threat simulators. The author’s technology development and management leadership has significantly influenced high-fidelity, multi-threat RF emitter scenario simulation capabilities during this period. The published works and this thesis demonstrate this claim to be justified via the many simulator technology developments he has managed to fruition, those many potential enhancements he has identified, and four further research directions he has proposed. Many prior limitations have been overcome by technological developments and the author considers it likely that most remaining ones will be overcome within the next decade, leaving only those receiver performance verification tests that can only be done in flight to be done via flight test. When taken as a whole, the 12 published works represent a significant contribution to the body of aerospace knowledge across the domains of survivability, electronic warfare systems and their test and evaluation, and radio/radar frequency threat simulation. Synthesis of those works demonstrates a coherent theme that links improved multi-threat RF environment simulation capability to more affordable, shorter and less risky receiver development programmes, which thereby also offers improved air platform survivability. The key importance of defence sector affordability is also recognised via development, described in the thesis, of a technology prioritisation assessment method to aid decision making on threat simulation fidelity enhancements. Originality is also demonstrated in the works’ and this thesis’ development of public release reference material in the sensitive topic area of electronic warfare and test and evaluation, for the education of novices of graduate level and upwards, for the advisement of technical professionals, experienced testers and academics, and for the guidance of programme managers.

The Hsü Kao Seng Chuan [Chinese characters omitted] biography of Chi Tsang [Chinese characters omitted] (Taishō 2060, T.50.513c-5l5a) is translated. It is preceded by a discussion of Chi Tsang's place in the history of Chinese Buddhism - he was a prominent exegete of the San Lun school, the Chinese counterpart to the Indian Mādhyamika School. The place of the Mādhyamika school in Indian Buddhism is discussed, as well as the history of its introduction into China. This is followed by a discussion of the nature of the sources for Chi Tsang's life - principally the Hsü Kao Seng Chuan notice - and the general unreliability and lack of depth of such accounts is discussed. The outstanding features of Chi Tsang's life are then discussed. He studied with Pa Lang, great re-vivifier of San Lun. He wrote abundantly and was renowned as a great lecturer. His interest encompassed the numerous Buddhist activities of his time, and his writings on the San Lun are the best we possess; on the Lotus sūtra, among the very best. He wrote commentaries to at least fifteen sutras. He disciples transmitted his teaching into the T'ang and to Japan, and he is reckoned the founder of the San Lun school. He was born in 549 and died in 623, and enjoyed the patronage of the Ch'en, Sui and T'ang ruling houses.̈̈ / Arts, Faculty of / Asian Studies, Department of / Graduate

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Haralabos Christos Papadopoulos. / Includes bibliographical references (p. 163-165). / Also issued as a Ph.D. thesis, Dept. of Electrical Engineering and Computer Science, Massachusetts Institute of Technology, 1998. / Sponsored by the Advanced Research Projects Agency monitored by the Office of Naval Research. N00014-93-1-0686 Sponsored by the Air Force Office of Scientific Research. F49620-96-1-0072 Sponsored in part by the U.S. Army Research Laboratory under the Federated Laboratory Program. Cooperative Agreement No. DAAL01-96-2-0002

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