| 3,6 → 3,7 |
|---|
| set key off |
| set grid |
| set angles degrees |
| set pointsize 3 |
| |
| f(x)=I0 * (sin(x))**4 + c |
| g(x)=I0 * (sin(x) * cos(x))**2 + a |
| 34,11 → 35,12 |
|---|
| a=4 |
| d=100 |
| c=6 |
| |
| I0=3 |
| |
| h(x)=I0 * sin(c*x+d) + a |
| |
| fit h(x) "./data/stojata_vlna/stojata_vlna_vzdalenost.txt" using 1:2 via a,d,c |
| fit h(x) "./data/stojata_vlna/stojata_vlna_vzdalenost.txt" using 1:2 via I0,a,d,c |
| set output "stojata_vlna.png" |
| plot "./data/stojata_vlna/stojata_vlna_vzdalenost.txt" using 1:2 with points, h(x) |
| |
| 45,7 → 47,7 |
|---|
| |
| I0=2 |
| |
| fit h(x) "./data/stojata_vlna/stojata_vlna_vzdalenost.txt" using 1:3 via a,d,c |
| fit h(x) "./data/stojata_vlna/stojata_vlna_vzdalenost.txt" using 1:3 via I0,a,d,c |
| set output "stojata_vlna_deska.png" |
| plot "./data/stojata_vlna/stojata_vlna_vzdalenost.txt" using 1:3 with points, h(x) |
| |
| 61,5 → 63,26 |
|---|
| set xlabel "fi[°]" |
| set ylabel "I[-]" |
| set output "sterbina.png" |
| plot "sterbina.txt" using 1:(abs($2)) with points title "40mm", "" using 1:(abs($3)) with points title "60mm" |
| |
| |
| g(x)= I1*(sin(d1*pi/l1*sin(x))/(d1*pi/l1*sin(x)))**2 |
| |
| sinc(x) = sin(pi*x)/(pi*x) |
| i(x)=I2*(sinc(d2/l2*sin(x)))**2 |
| |
| set angles degrees |
| |
| I1=10 |
| l1=0.03 |
| d1=0.04 |
| |
| I2=10 |
| l2=0.03 |
| d2=0.04 |
| |
| |
| fit [5:60] g(x) "sterbina.txt" using 1:2 via I1,d1,l1 |
| fit [5:60] i(x) "sterbina.txt" using 1:3 via I2,d2,l2 |
| plot "sterbina.txt" using 1:2 with points title "40mm", "" using 1:(abs($3)) with points title "60mm", i(x), g(x) |
| |
| |