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Update short_antenna.html 

Minor tidy ups.
pull/2/head
miguel 2023-03-20 18:01:39 +11:00
rodzic 1d6df071f3
commit 4a9d0a05b5
1 zmienionych plików z 5 dodań i 5 usunięć
Pokaż statystyki Ściągnij plik aktualizacji Ściągnij plik porównania Expand all files Collapse all files

10
short_antenna.html
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@ -416,10 +416,10 @@
fctx.textAlign = "left";
fctx.fillText("l = " + (antenna_length_slider.value * 1.0).toFixed(1).toString() + " m", wire_x + 40, up_wire_top_y );
fctx.fillText("f = " + (frequency_slider.value * 1.0).toFixed(1).toString() + " MHz", wire_x + 40, up_wire_top_y + 18 );
drawArrow(fctx, wire_x + 10, up_wire_bot_y, -0.5*Math.PI);
fctx.fillText("Xl = " + Xl.toFixed(1).toString() + " \u03A9", wire_x + 20, up_wire_bot_y - inductor.spacing_ratio * 0.01 * (up_wire_bot_y - up_wire_top_y));
//drawArrow(fctx, wire_x + 10, up_wire_bot_y, -0.5*Math.PI);
fctx.fillText("Xl = " + Xl.toFixed(1).toString() + " \u03A9", wire_x + 20, up_wire_bot_y - inductor.spacing_ratio * 0.01 * (up_wire_bot_y - up_wire_top_y) + 18);
const L = Xl / (2 * Math.PI * inductor.frequency_hz * 0.000001);
fctx.fillText("L = " + L.toFixed(1).toString() + " \u00B5H", wire_x + 20, up_wire_bot_y - inductor.spacing_ratio * 0.01 * (up_wire_bot_y - up_wire_top_y) + 18);
fctx.fillText("L = " + L.toFixed(1).toString() + " \u00B5H", wire_x + 20, up_wire_bot_y - inductor.spacing_ratio * 0.01 * (up_wire_bot_y - up_wire_top_y));
// Draw the bottom antenna element:
fctx.beginPath();
@ -428,8 +428,8 @@
fctx.stroke();
drawInductor(fctx, wire_x, down_wire_top_y + inductor.spacing_ratio * 0.01 * (up_wire_bot_y - up_wire_top_y), 0.0*Math.PI);
drawArrow(fctx, wire_x + 10, down_wire_top_y, -0.5*Math.PI);
drawArrow(fctx, wire_x + 10, down_wire_bot_y, -0.5*Math.PI);
//drawArrow(fctx, wire_x + 10, down_wire_top_y, -0.5*Math.PI);
//drawArrow(fctx, wire_x + 10, down_wire_bot_y, -0.5*Math.PI);
}
recalculate();