nyquist frequency वाक्य
उदाहरण वाक्य
मोबाइल
- Since around 1989, 1 bit Nyquist frequency of 1.4112 MHz.
- That means to let the frequency close to Nyquist frequency be the cutoff frequency.
- The Nyquist frequency is therefore 22050 Hz.
- However, considering Hales article it could be sufficient to simply remove the Nyquist frequency.
- This is barely noticeable at low frequencies but is quite evident at frequencies close to the Nyquist frequency.
- Frequency is folded for high speed targets where radial velocity produces a frequency shift above the Nyquist frequency.
- To prevent this an anti-aliasing filter is used to remove components above the Nyquist frequency prior to sampling.
- We will see that IQF of this model will amplify the Nyquist frequency by a factor little less than 5x10 6.
- The bandlimited sawtooths are synthesized from the sawtooth waveform's Fourier series such that no harmonics above the Nyquist frequency are present.
- This is not strictly necessary; for even numbers of points, one includes another cosine term corresponding to the Nyquist frequency .)
- This representation gives a good picture of what happens around the Nyquist frequency when filtering with the low-pass filter is done.
- In discrete-time applications, one only examines the region of frequencies between 0 and the Nyquist frequency, because of periodicity and symmetry.
- In applications where the sample-rate is pre-determined, the filter is chosen based on the Nyquist frequency, rather than vice versa.
- Often, this is done by adding analog anti-aliasing filters at the input and output, thus avoiding any frequency component above the Nyquist frequency.
- Without an anti-aliasing filter, frequencies higher than the Nyquist frequency will influence the samples in a way that is misinterpreted by the interpolation process.
- Depending on the frequency units, the Nyquist frequency may be 0.5, 1.0, ?, or ?of the actual sample-rate.
- Note that aliasing will occur, including aliasing below the Nyquist frequency to the extent that the continuous-time filter's response is nonzero above that frequency.
- The normalized Nyquist frequency is ? " radians / sample ", and the normalized sample-rate is 2? " radians / sample ".
- When the function domain is time, sample rates are usually expressed in samples / second, and the unit of Nyquist frequency is cycles / second ( hertz ).
- Ideally, both filters should be brickwall filters, constant phase delay in the pass-band with constant flat frequency response, and zero response from the Nyquist frequency.
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