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나이퀴스트율(Nyquist rate) 또는 나이퀴스트 속도는 해리 나이퀴스트의 이름을 따온 것으로, 최고 진동수의 두배인 진동수이며, 정해진 신호을 에일리어싱 없이 샘플링하는 가장 느린 샘플링 속도이다.
, In signal processing, the Nyquist rate, na … In signal processing, the Nyquist rate, named after Harry Nyquist, is a value (in units of samples per second or hertz, Hz) equal to twice the highest frequency (bandwidth) of a given function or signal. When the function is digitized at a higher sample rate (see § Critical frequency), the resulting discrete-time sequence is said to be free of the distortion known as aliasing. Conversely, for a given sample-rate the corresponding Nyquist frequency in Hz is one-half the sample-rate. Note that the Nyquist rate is a property of a continuous-time signal, whereas Nyquist frequency is a property of a discrete-time system. The term Nyquist rate is also used in a different context with units of symbols per second, which is actually the field in which Harry Nyquist was working. In that context it is an upper bound for the symbol rate across a bandwidth-limited baseband channel such as a telegraph line or passband channel such as a limited radio frequency band or a frequency division multiplex channel.or a frequency division multiplex channel.
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| rdfs:comment |
나이퀴스트율(Nyquist rate) 또는 나이퀴스트 속도는 해리 나이퀴스트의 이름을 따온 것으로, 최고 진동수의 두배인 진동수이며, 정해진 신호을 에일리어싱 없이 샘플링하는 가장 느린 샘플링 속도이다.
, In signal processing, the Nyquist rate, na … In signal processing, the Nyquist rate, named after Harry Nyquist, is a value (in units of samples per second or hertz, Hz) equal to twice the highest frequency (bandwidth) of a given function or signal. When the function is digitized at a higher sample rate (see § Critical frequency), the resulting discrete-time sequence is said to be free of the distortion known as aliasing. Conversely, for a given sample-rate the corresponding Nyquist frequency in Hz is one-half the sample-rate. Note that the Nyquist rate is a property of a continuous-time signal, whereas Nyquist frequency is a property of a discrete-time system.y is a property of a discrete-time system.
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Nyquist rate
, 나이퀴스트율
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