mirror
/
vk3cpu
kopia lustrzana https://github.com/miguelvaca/vk3cpu
1
0
Forkuj 0
Kod Zgłoszenia Packages Projekty Wydania Wiki Aktywność

Update short_antenna.html

pull/2/head
miguel 2023-03-20 22:42:43 +11:00
rodzic 6241f69866
commit 8306545cb8
1 zmienionych plików z 12 dodań i 10 usunięć
Pokaż statystyki Ściągnij plik aktualizacji Ściągnij plik porównania Expand all files Collapse all files

22
short_antenna.html
Wyświetl plik

@ -361,27 +361,29 @@
fctx.lineTo(wire_x - 15, up_wire_bot_y);
fctx.stroke();
const d_pos = up_wire_bot_y - dipole.spacing_ratio * (up_wire_bot_y - up_wire_top_y);
fctx.textAlign = "right";
drawInductor(fctx, wire_x, up_wire_bot_y - dipole.spacing_ratio * (up_wire_bot_y - up_wire_top_y), 0.0*Math.PI);
drawArrow(fctx, wire_x - 30, up_wire_bot_y - dipole.spacing_ratio * (up_wire_bot_y - up_wire_top_y), 0.5*Math.PI);
fctx.fillText(dipole.distance_meters.toFixed(2).toString() + " m", wire_x - 60, up_wire_bot_y - dipole.spacing_ratio * (up_wire_bot_y - up_wire_top_y) + 16 );
fctx.fillText(dipole.distance_feet.toFixed(2).toString() + " ft", wire_x - 60, up_wire_bot_y - dipole.spacing_ratio * (up_wire_bot_y - up_wire_top_y) );
drawInductor(fctx, wire_x, d_pos, 0.0*Math.PI);
drawArrow(fctx, wire_x - 30, d_pos, 0.5*Math.PI);
fctx.fillText(dipole.distance_meters.toFixed(2).toString() + " m", wire_x - 60, d_pos + 12 );
fctx.fillText(dipole.distance_feet.toFixed(2).toString() + " ft", wire_x - 60, d_pos - 4);
drawArrow(fctx, wire_x - 30, up_wire_bot_y, 0.5*Math.PI);
fctx.fillText("0.00", wire_x - 60, up_wire_bot_y + 5);
//fctx.fillText("0.00 m", wire_x - 60, up_wire_bot_y + 18);
drawArrow(fctx, wire_x - 30, up_wire_top_y, 0.5*Math.PI);
fctx.fillText((dipole.length_feet * 0.5).toFixed(2).toString() + " ft", wire_x - 60, up_wire_top_y );
fctx.fillText((dipole.length_meters * 0.5).toFixed(2).toString() + " m", wire_x - 60, up_wire_top_y + 16);
fctx.fillText((dipole.length_feet * 0.5).toFixed(2).toString() + " ft", wire_x - 60, up_wire_top_y - 4);
fctx.fillText((dipole.length_meters * 0.5).toFixed(2).toString() + " m", wire_x - 60, up_wire_top_y + 12);
fctx.textAlign = "left";
fctx.fillText(dipole.length_feet.toFixed(2).toString() + " ft", wire_x + 60, up_wire_top_y );
fctx.fillText(dipole.length_meters.toFixed(2).toString() + " m", wire_x + 60, up_wire_top_y + 16);
fctx.fillText(dipole.length_feet.toFixed(2).toString() + " ft", wire_x + 60, up_wire_top_y - 4);
fctx.fillText(dipole.length_meters.toFixed(2).toString() + " m", wire_x + 60, up_wire_top_y + 12);
//fctx.fillText("0.00 ft", wire_x + 60, down_wire_bot_y );
fctx.fillText("0.00", wire_x + 60, down_wire_bot_y + 5);
//drawArrow(fctx, wire_x + 10, up_wire_bot_y, -0.5*Math.PI);
const L = Xl / (2 * Math.PI * dipole.frequency_hz * 0.000001);
fctx.fillText("L = " + L.toFixed(1).toString() + " \u00B5H", wire_x + 20, up_wire_bot_y - dipole.spacing_ratio * (up_wire_bot_y - up_wire_top_y));
fctx.fillText("X = " + Xl.toFixed(1).toString() + " \u03A9", wire_x + 20, up_wire_bot_y - dipole.spacing_ratio * (up_wire_bot_y - up_wire_top_y) + 16);
fctx.fillText("L = " + L.toFixed(1).toString() + " \u00B5H", wire_x + 20, d_pos - 4);
fctx.fillText("X = " + Xl.toFixed(1).toString() + " \u03A9", wire_x + 20, d_pos + 12);
fctx.font = frequency_font;
fctx.fillText("f = " + (dipole.frequency_hz * 1e-6).toFixed(2).toString() + " MHz", 20, down_wire_bot_y - 36);
fctx.font = loop_dia_font;