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<TITLE>/</TITLE><BODY><A HREF = "../index.html">[Master Index]</A><A HREF = "index.html">[Index for ./main]</A><H1>harmon</H1><H2>(./main/harmon.m)</H2><HR><H3>Function Synopsis</H3><pre>[dataout] = harmon(datain,freq1,freq2,inter)</pre><HR><H3>Help text</H3><pre> function [dataout] = harmon(datain,freq1,freq2,inter) Harmon is a time domain notch filter. Discrete Fourier Transforms are calculated to estimate noise phase and amplitude. The estimated noise is subtracted from the trace in the time domain. Usage: Input: datain : Input data freq1 : Start scanning at this frequency (Hz) freq2 : Upper frequency limit (Hz) inter : Frequency step (Hz) Output: dataout : Output data Example : This is what I use to remove 60 Hz noise filtered = harmon(data,59.88,60.12,0.01); Reference: http://www.cg.NRCan.gc.ca/staff/adam/software/monofreq.htmlwritten by: Erick ADAM Dec. 1995</pre><HR>Produced by <A HREF = "http://www.nd.edu/Courses/kantor/matlab/mat2html">mat2html</A> on Wed Jun 14 15:21:32 Canada/Eastern 2000<BR>Cross-Directory links are: ON<BR></BODY>⌨️ 快捷键说明
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