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A completely different approach to function generation is to use software instructions to generate a waveform, with provision for output. For example, a general-purpose digital computer can be used to generate the waveform; if frequency range and amplitude are acceptable, the sound card fitted to most computers can be used to output the generated wave.
The typical efficiency of TEGs is around 5–8%, although it can be higher. Older devices used bimetallic junctions and were bulky. More recent devices use highly doped semiconductors made from bismuth telluride (Bi 2 Te 3), lead telluride (PbTe), [10] calcium manganese oxide (Ca 2 Mn 3 O 8), [11] [12] or combinations thereof, [13] depending on application temperature.
For these applications, truly random numbers are ideal, and very high quality pseudo-random numbers are necessary if truly random numbers, such as coming from a hardware random number generator, are unavailable. Truly random numbers are absolutely required to be assured of the theoretical security provided by the one-time pad — the only ...
Two-dimensional slice through 3D Perlin noise at z = 0. Perlin noise is a type of gradient noise developed by Ken Perlin in 1983. It has many uses, including but not limited to: procedurally generating terrain, applying pseudo-random changes to a variable, and assisting in the creation of image textures.
[6] [7] Johnson wasn't given a name until he was three months old, as his parents couldn't agree on a name that both liked. Finally, he was named after "criminal lawyer—a county lawyer" W. C. Linden, who his father liked; his mother agreed on the condition of spelling it as Lyndon.
After Bowman was adopted by his mother's third husband, Bob Hamel, his mother changed his name to James David Hamel to remove his father's name but used the name of one of her brothers to preserve his nickname, JD. [15] [16] Vance has written that his childhood was marked by poverty and abuse, and that his mother struggled with drug addiction. [17]
Tool's musical style has been described as alternative metal, [118] [119] art rock, [57] [58] [59] post-metal, [120] [121] [122] progressive rock, [60] [61] [62] progressive metal, [123] and heavy metal. [53] Tool was described by Patrick Donovan of The Age as "the thinking person's metal band. Cerebral and visceral, soft and heavy, melodic and ...
Access your settings to see several options that let you make it your own, such as updating the sounds that you hear, adjusting the colors used, and choosing from any of your own images or the vast Flickr library to personalize your background. Change your background image