Created
May 18, 2013 14:12
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| # Octaveでチャープ信号を書く | |
| # E(t) = E0 cos(2πfct + at^2) | |
| # t: 時間変化 | |
| # E0: 振幅 | |
| # fc: 中心周波数 | |
| # a: チャープ定数 (a/π: チャープ率) | |
| function fn = mkchirp(E0, fc, a) | |
| fn = @(t) E0 * cos(2 * pi * fc * t + a * power(t, 2)); | |
| endfunction; | |
| x = 0:0.001:1; | |
| y = mkchirp(1, 1, 100)(x); | |
| plot(x, y) |
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