# Nyquist sampling rate

Please i need help in understanding Nyquist sampling rate. What is the implication of sampling at a lower rate than the Nyquist rate, at exactly the Nyquist rate and at a rate higher than the Nyquist rate.

• dupliucate question. the fastest sine wave needs at least two dots ,',',',', – com.prehensible Oct 6 '17 at 8:05