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16 lines
323 B
16 lines
323 B
set term png
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set output "kadai4-o_log.png"
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fs = 16000.0
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N_fft = 512.0
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set xlabel "Frequency [kHz]"
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set ylabel "Amplitude [dB]"
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stats "kadai4_o.txt" using 1 nooutput
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set xrange [0:8]
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set grid
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plot "kadai4_o.txt" using ($0 * fs / N_fft / 1000):(20 * log10(($1 > 1e-10 ? $1 : 1e-10) / STATS_max)) \
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with lines notitle |