檔案:Fourier synthesis.svg
Ngièn-pún tóng-on （SVG文件，尺寸：748×517像素，文件大細：344 KB）
Vùn-khien sot-mìn
| Mèu-sut |
English: Fourier analysis of a square wave.
Deutsch: Fourieranalyse eines Rechtecksignals. |
| Ngit-khì | |
| Lòi-ngièn | Chhṳ-kâ ke chok-phín, SVG Version of File:Fouriersynthese.png |
| Chok-chá | René Schwarz |
Created with Gnuplot 4.4.0 -- and modified after export.
<source enclose="div" line lang="gnuplot"> reset set terminal svg size 1000,618 set output "Fouriersynthese.svg" set multiplot layout 4,4 unset key set border 3 set size ratio 0.6180339887 set zeroaxis lt -1 set lmargin 10 set rmargin 2 set tmargin 1 set bmargin 3 set yr [-1.5:1.5] set xr [0:7] set samples 10000 set xtics out 5 set mxtics 5 set ytics out 1 set mytics 4
- row 1
- set xlabel "t"
- set ylabel "U"
plot 4/pi*sin(x) plot 4/pi*sin(x) plot 4/pi*sin(x) set yr [0:1.5] set xr [0:8]
- set xlabel "f"
plot '-' with impulses lw 2 1 1.273239545 e set yr [-1.5:1.5] set xr [0:7]
- row 2
- set xlabel "t"
plot 4/(3*pi)*sin(3*x) plot 4/pi*sin(x), 4/(3*pi)*sin(3*x) plot 4/pi*sin(x) + 4/(3*pi)*sin(3*x) set yr [0:1.5] set xr [0:8]
- set xlabel "f"
plot '-' with impulses lw 2 1 1.273239545 3 0.424413182 e set yr [-1.5:1.5] set xr [0:7]
- row 3
- set xlabel "t"
plot 4/(5*pi)*sin(5*x) plot 4/pi*sin(x), 4/(3*pi)*sin(3*x), 4/(5*pi)*sin(5*x) plot 4/pi*sin(x)+ 4/(3*pi)*sin(3*x) + 4/(5*pi)*sin(5*x) set yr [0:1.5] set xr [0:8]
- set xlabel "f"
plot '-' with impulses lw 2 1 1.273239545 3 0.424413182 5 0.254647909 e set yr [-1.5:1.5] set xr [0:7]
- row 4
- set xlabel "t"
plot 4/(7*pi)*sin(7*x) plot 4/pi*sin(x), 4/(3*pi)*sin(3*x), 4/(5*pi)*sin(5*x), 4/(7*pi)*sin(7*x) plot 4/pi*sin(x)+ 4/(3*pi)*sin(3*x) + 4/(5*pi)*sin(5*x) + 4/(7*pi)*sin(7*x) set yr [0:1.5] set xr [0:8]
- set xlabel "f"
plot '-' with impulses lw 2 1 1.273239545 3 0.424413182 5 0.254647909 7 0.181891364 e
unset multiplot set terminal windows reset clear </syntaxhighlight>
Su-khièn
|
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| Ngit khì / Sṳ̀-kiên | Suk-lio̍k-thù | Vì-thu | Yung-fu | Yi-kien | |
|---|---|---|---|---|---|
| tông-chhièn | 2010年8月16日 (Yit) 12:54 | | 748 × 517（344 KB） | René Schwarz | {{Information |Description={{en|1=Fourier analysis of a square wave.}} {{de|1=Fourieranalyse eines Rechtecksignals.}} |Source={{own}}, SVG Version of File:Fouriersynthese.png |Author=René Schwarz |Date=2010-08-16 |Permission= |
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