AMPLITUDE COMPUTING APPARATUS AND AMPLITUDE COMPUTING METHOD
An amplitude computing apparatus includes: a mean or median value computing unit configured to compute a mean or median value of a distribution of an input signal that changes sinusoidally; a mode value computing unit configured to compute a mode value of the distribution of the input signal; and an amplitude computing unit configured to compute a difference between the mean or median value and the mode value as an amplitude of the input signal.
1 . An amplitude computing apparatus, comprising:
a mean or median value computing unit configured to compute a mean or a median value of a distribution of an input signal that changes sinusoidally;
a mode value computing unit configured to compute a mode value of the distribution of the input signal; and
an amplitude computing unit configured to compute a difference between the mean or median value and the mode value as an amplitude of the input signal.
2 . An amplitude computing apparatus, comprising:
a standard deviation computing unit configured to compute a standard deviation of a distribution of an input signal that changes sinusoidally; and
an amplitude computing unit configured to compute a value of √2 times the standard deviation as an amplitude of the input signal.
3 . An amplitude computing apparatus, comprising:
a quartile computing unit configured to compute quartiles of a distribution of an input signal that changes sinusoidally; and
an amplitude computing unit configured to compute a value of √2 times a difference between either of a first quartile or a third quartile among the quartiles and a second quartile as an amplitude of the input signal.
4 . An amplitude computing apparatus, comprising:
a quartile computing unit configured to compute quartiles of a distribution of an input signal that changes sinusoidally;
a mean value computing unit configured to compute a mean value of the distribution of the input signal; and
an amplitude computing unit configured to compute a value of √2 times a difference between either of a first quartile or a third quartile among the quartiles and the mean value as an amplitude of the input signal.
5 . An amplitude computing method, comprising:
computing a mean or a median value of a distribution of an input signal that changes sinusoidally;
computing a mode value of the distribution of the input signal; and
computing a difference between either of the mean or median value and the mode value as an amplitude of the input signal.
6 . An amplitude computing method, comprising:
computing a standard deviation of a distribution of an input signal that changes sinusoidally; and
computing a value of √2 times the standard deviation as an amplitude of the input signal.
7 . An amplitude computing method, comprising:
computing quartiles of a distribution of an input signal that changes sinusoidally; and
computing a value of √2 times a difference between either of a first quartile or a third quartile among the quartiles and a second quartile as an amplitude of the input signal.
8 . An amplitude computing method, comprising:
computing quartiles of a distribution of an input signal that changes sinusoidally;
computing a mean of the distribution of the input signal; and
computing a value of √2 times a difference between either of a first quartile or a third quartile among the quartiles and the mean value as an amplitude of the input signal.