www.gusucode.com > signal 案例源码程序 matlab代码 > signal/SFDROfSinusoidExample.m
%% SFDR of Sinusoid % Obtain the SFDR for a 10 MHz tone with amplitude 1 sampled at 100 MHz. % There is a spur at the 1st harmonic (20 MHz) with an amplitude of % $3.16\times10^{-4}$. % Copyright 2015 The MathWorks, Inc. deltat = 1e-8; fs = 1/deltat; t = 0:deltat:1e-5-deltat; x = cos(2*pi*10e6*t)+3.16e-4*cos(2*pi*20e6*t); r = sfdr(x,fs) %% % Display the spectrum of the signal. Annotate the fundamental, the DC % value, the spur, and the SFDR. sfdr(x,fs);