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大小: 686B文件類型: .m金幣: 1下載: 0 次發(fā)布日期: 2021-05-20
- 語言: Matlab
- 標(biāo)簽:
資源簡介
有關(guān)小波分解的matlab基礎(chǔ)應(yīng)用,很常見的仿真
代碼片段和文件信息
load?leleccum;
s?=?leleccum(1:3920);
l_s?=?length(s);
%coefficients?of?the?level?1?approximation?(cA1)?and?detail?(cD1).
[cA1cD1]?=?dwt(s‘db1‘);
%construct?the?level?1?approximation?and?detail?(A1?and?D1)?from?the
%coefficients?cA1?and?cD1
A1?=?upcoef(‘a(chǎn)‘cA1‘db1‘1l_s);???%A1?=?idwt(cA1[]‘db1‘l_s);?
D1?=?upcoef(‘d‘cD1‘db1‘
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