S := array(2484.83,2479.05,2482.34,2437.79,2447.75,2512.96,2443.06,2433.16,2393.18, 2415.05,2392.06,2365.34,2359.22,2344.79,2348.52,2420.00,2438.79,2431.38,2440.4,2383.49,2377.51,2331.37,2317.27,2370.33,2409.67,2427.48,2435.61,2473.41,2468.25,2470.02,2504.11,2508.09,2528.29,2509.8,2503.84,2524.92,2479.54,2481.08,2528.71,2529.76,2466.96,2463.05,2416.56,2415.13,2412.62,2395.06,2397.55,2380.22,2383.03,2412.39,2333.41,2386.86,2360.66,2333.23,2325.91,2332.73,2329.82,2315.27,2291.54,2248.59,2228.52,2180.9,2224.84,2218.24,2215.93,2191.15,2186.3,2204.78,2190.11,2166.21,2170.01,2173.56,2199.42,2169.39,2148.45,2163.4,2225.89,2285.74,2276.05,2275.01,2244.58,2206.19,2298.38,2266.38,2296.07,2319.12,2285.04,2292.61,2268.08,2312.56,2330.41,2331.14,2291.9,2347.53,2349.59,2351.98,2351.85,2344.77,2366.7,2356.86,2357.18,2363.6,2381.43,2403.59,2409.55,2439.63,2447.06,2451.86,2428.49,2426.11,2460.69);
n := 2;
wname := "db14";
options := array('brief':1,'sigma':0,'which':1,'alpha':2,"thr":0,'sorh':'s');
return s|wavelet(s,wname,n,options) ;
消噪和原始数据对比:
Wavedec wrcoef