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譜分析方法一種,用于分析非等間隔信號最有效最方便的方法

代碼片段和文件信息
function?indata?=?inputtolomb
%CREATE?TEST?DATA?FOR?lombscargle.m
%Create?time?points
t=[0:pi/32:8*pi];
%Keep?random?time?points?discard?the?rest
%Note:?To?increase?the?number?of?points?retained?decrease?the?multiplier?(and?vice?versa)
discpct?=?30;?%Percent?of?data?points?to?discard
ndiscards?=?floor((discpct/100)*length(t));
keeps?=?randperm(length(t));
keeps?=?sort(keeps(ndiscards+1:end));?%Discard?25%?of?the?samples?selected?randomly
t=t(keeps);
%USER-SPECIFIED?FREQUENCIES?AND?AMPLITUDES?(for?testing?purposes)
%Frequencies?(Hz)?=?[0.9??3.3??4.0??4.5]
%Amplitudes???????=?[2.0??1.8??3.0??1.5]
foft?=?2.0*sin(2*pi*0.9*t)?+?1.8*sin(2*pi*3.3*t)?+?3.0*sin(2*pi*4*t)?+?1.5*sin(2*pi*4.5*t);
indata=[t‘?foft‘];
%lombscargle(indata);
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件?????????763??2002-08-29?18:37??inputtolomb.m
?????文件????????1335??2009-05-26?13:51??license.txt
?????文件???????21682??2002-11-27?20:41??lombscargle.m
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