dbv.m

来自「MATLAB CODE FOR SIMULATION OF A SUCCESS」· M 代码 · 共 5 行

function y=dbv(x)
% dbv(x) = 20*log10(abs(x)); the dB equivalent of the voltage x
y = -Inf*ones(size(x));
nonzero = x~=0;
y(nonzero) = 20*log10(abs(x(nonzero)));