Analysis of information sources in references of the Wikipedia article "Tần số Nyquist" in Vietnamese language version.
The Nyquist frequency is that frequency whose period is two sampling intervals.
the existence of power in the continuous signal spectrum at frequencies higher than the Nyquist frequency is the cause of aliasing error
{{Chú thích sách}}: Quản lý CS1: nhiều tên: danh sách tác giả (liên kết)Frequencies "fold" around half the sampling frequency - which is why [the Nyquist] frequency is often referred to as the folding frequency.
{{Chú thích web}}: Quản lý CS1: khác (liên kết)