Definitions from the Web
Nyquist Frequency
Definition: The Nyquist frequency is the highest frequency that can be accurately represented in a digital signal or waveform. It is commonly used in digital signal processing and telecommunications.
Examples:
- The audio sampling rate of 44.1 kHz used in CDs corresponds to a Nyquist frequency of 22.05 kHz.
- A digital camera with a 10-megapixel sensor can capture images up to its Nyquist frequency, which is typically around half of the camera's maximum resolution.
- When converting an analog signal into a digital format, it is crucial to use an appropriate sampling rate to avoid aliasing caused by frequencies above the Nyquist frequency.
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