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Following World War II, British research into radar systems continued at facilities such as the Signals Research and Development Establishment (SRDE. Among the key contributors was Ronald Hugh Barker, a physicist and engineer who played a significant role in the digital development of radar systems. His work on pulse-code modulation and digital transmission methods also contributed to early experiments in encrypted radar signals and the foundations of modern air traffic control systems.
1952 Group Synchronising of Binary Digital Systems
1955 GB706687 (A) Electrical Signal Generating Systems IET
1955 GB706687 (A) Electrical Signal Generating Systems.pdf
1948 A tracking Display and Data Transmission SRDE Tech Memo RES 113
1948 Improvements in or relating to Apparatus for data in Binary Digital Form IET REf
1949 Appendix II to Conversion of Shaft Position to Binary Pulse Code.pdf IETR Ref
1953 GB891810 Electrical Pulse Code Modulation
1952 Group Synchronising of Binary Digital Systems
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