compatibility/interference; Encryption and decryption; Error control; Facsimile systems; Filters; Frequency bands in use; Image processing; Information theory; Logic; Measurement of systems parameters; Memories; Microwave devices; Mixer signal processing; Modulation and demodulation; Networks; Noise; Optical communications, devices and systems; Photo detector/receivers; Power supplies; Propagation; Quality and reliability; Radar and navigation systems; Radio frequency receivers; Satellite systems; Semiconductor devices and technology; Signals; Spread spectrum techniques; Standards organisations and associated bodies; Telephony and associated systems; Television signal processing and systems; Transmission lines and waveguides; Videotex; CCITT recommendations; Abbreviations and acronyms; Index
Biography
Geoff Lewis has spent many years in most branches of engineering including: motor vehicles, aeronautical, communication, telecommunication, production - as an engineer, teacher, lecturer, technical author. Geoff has a keen interest in environmental engineering including hydropower generated inventions. He has written on most of the above subjects, including 10 books, many journal articles and given public lectures. Geoff has long appreciated that knowledge is never wasted and that learning is a life long adventure. He has been told on many occasions that he has the ability to express complex concepts in a fairly easily understandable manner - at least this attribute is at the back of his mind when writing.
