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Ultra was the designation adopted by British military intelligence in June 1941 for wartime signals intelligence obtained by breaking high-level encrypted enemy radio and teleprinter communications at the Government Code and Cypher School (GC&CS) at Bletchley Park. [1]
Burst noise is a type of electronic noise that occurs in semiconductors and ultra-thin gate oxide films. [1] It is also called random telegraph noise (RTN), popcorn noise, impulse noise, bi-stable noise, or random telegraph signal (RTS) noise.
Operating predominantly in Kyiv with branches in cities like Kharkiv and Simferopol, the agency, named "Alex Model" (Ukrainian: Алекс-Модел), was identified as one of the major producers and distributors of child pornographic content, which was branded under several names throughout the world using the "LS" abbreviation as LS-Models, LS-Magazine, LS-Girls, LS-Studio, LS-Island, LS ...
Morkrum Model 11 Tape Printer – The Model 11 Typewheel Tape Printer, at about 45 words-per-minute, was a bit faster the Morkrum Printing Telegraph Blue and Green-Code printers, and was modeled after the European Baudot Telegraph System printer. The Model 11 was a Tape Printer which used gummed paper tape that could be pasted onto a telegram ...
The model demonstrates that the electromagnetic waves can be reflected on the wire, and that wave patterns can form along the line. Originally developed to describe telegraph wires, the theory can also be applied to radio frequency conductors, audio frequency (such as telephone lines), low frequency (such as power lines), and pulses of direct ...
Heaviside's model of a transmission line. A transmission line can be represented as a distributed-element model of its primary line constants as shown in the figure. The primary constants are the electrical properties of the cable per unit length and are: capacitance C (in farads per meter), inductance L (in henries per meter), series resistance R (in ohms per meter), and shunt conductance G ...
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Wireless telegraphy or radiotelegraphy, commonly called CW (continuous wave), ICW (interrupted continuous wave) transmission, or on-off keying, and designated by the International Telecommunication Union as emission type A1A or A2A, is a radio communication method.