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A programmable sound generator (PSG) is a sound chip that generates (or synthesizes) audio wave signals built from one or more basic waveforms, and often some kind of noise. PSGs use a relatively simple method of creating sound compared to other methods such as frequency modulation synthesis or pulse-code modulation .
Salter's duck, also known as the nodding duck or by its official name the Edinburgh duck, is a device that converts wave power into electricity. The wave impact induces rotation of gyroscopes located inside a pear-shaped "duck", and an electrical generator converts this rotation into electricity with an overall efficiency of up to 90%.
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.
However this was not a reliable method of reception. In order to make the carrier pulses audible in the receiver, a beat frequency oscillator is used. The BFO is a radio frequency electronic oscillator that generates a constant sine wave at a frequency f BFO that is offset from the intermediate frequency f IF of the receiver.
Wave power, a machine that uses the motion of ocean waves to generate electricity; Wave pool, a machine that generates waves in a pool to simulate the ocean; Shive wave machine, a wave generator that illustrates wave motion using steel rods and a thin wire; Column wave, a theatrical device used to simulate the look of the ocean on stage
An arbitrary waveform generator (AWG) is a piece of electronic test equipment used to generate electrical waveforms. [ 1 ] [ 2 ] [ 3 ] These waveforms can be either repetitive or single-shot (once only) in which case some kind of triggering source is required (internal or external).
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A wave flume (or wave channel) is a special sort of wave tank: the width of the flume is much less than its length. The generated waves are therefore – more or less – two-dimensional in a vertical plane (2DV), meaning that the orbital flow velocity component in the direction perpendicular to the flume side wall is much smaller than the ...