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installation:cablelength [2019/07/10 14:50] fachet created |
installation:cablelength [2024/02/15 10:58] fachet |
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| - | ====== Kabellängen ====== | + | ====== Dämpfungsberechnung / attenuation calculator ====== |
| <html> | <html> | ||
| - | <!-- präsentiert von kostenlose-javascripts.de --> | ||
| <script type='text/javascript'> <!-- | <script type='text/javascript'> <!-- | ||
| function log10(l){ | function log10(l){ | ||
| Line 13: | Line 12: | ||
| var l = document.form.l.value; | var l = document.form.l.value; | ||
| var d = document.form.d.value; | var d = document.form.d.value; | ||
| + | var ag = document.form.ag.value; | ||
| | | ||
| f = f.replace(/,/, "."); | f = f.replace(/,/, "."); | ||
| Line 24: | Line 24: | ||
| ra = a - kl; | ra = a - kl; | ||
| rfd = 20 * log10(f * Math.pow(10, 9)) + 20 * log10(ra) - 147,55; | rfd = 20 * log10(f * Math.pow(10, 9)) + 20 * log10(ra) - 147,55; | ||
| - | g = kd + rfd; | + | g = kd + rfd + ag; |
| ge = fd - g; | ge = fd - g; | ||
| | | ||
| fd = fd.toFixed(2) | fd = fd.toFixed(2) | ||
| rfd = rfd.toFixed(2) | rfd = rfd.toFixed(2) | ||
| + | ag = ag.toFixed(2) | ||
| g = g.toFixed(2) | g = g.toFixed(2) | ||
| ge = ge.toFixed(2) | ge = ge.toFixed(2) | ||
| Line 43: | Line 44: | ||
| </script> | </script> | ||
| <form name="form"> | <form name="form"> | ||
| - | <input name="f" /> Frequenz/frequency (GHz) <br /> | + | <input name="f" /> Frequenz / frequency (GHz)<br> |
| - | <input name="a" /> Gesmatabstand/total distance (m) <br /> | + | <input name="a" /> Gesamtabstand / total distance (m)<br> |
| - | <input name="l" /> Kabellänge/cable length (m) <br /> | + | <input name="l" /> Kabellänge / cable length (m)<br> |
| - | <input name="d" /> Kabeldämpfung/attenuation (dB/m) <br /> | + | <input name="d" /> Kabeldämpfung / attenuation (dB/m)<br> |
| - | <input type="button" name="submit" value="berechnen" onclick="berechnen();"> <br /> | + | <input name="ag" /> Antennengewinn / antenna gain (dB/m)<br><br> |
| - | <input name="fd" value="0" disabled="disabled"> Freiraumdämpfung/free space loss<br /> | + | <input type="button" name="submit" value="berechnen / calculate" onclick="berechnen();"> <br> |
| - | <br /> | + | Ohne Antennenkabel / without anntenna cable:<br> |
| - | <input name="kl" value="0" disabled="disabled"> Kabellänge/cable length <br /> | + | <input name="fd" value="0" disabled="disabled"> Freiraumdämpfung / free space loss<br> |
| - | <input name="kd" value="0" disabled="disabled"> Kabeldämpfung/cable attenuation <br /> | + | <br> |
| - | <input name="ra" value="0" disabled="disabled"> Restabstand/remaining free space<br /> | + | Mit Antennenkabel / with antenna cable:<br> |
| - | <input name="rfd" value="0" disabled="disabled"> Freiraumdämpfung/free space loss<br /> | + | <input name="kl" value="0" disabled="disabled"> Kabellänge / cable length <br> |
| - | <input name="g" value="0" disabled="disabled"> Gesamtdämpfung/total loss<br /> | + | <input name="kd" value="0" disabled="disabled"> Kabeldämpfung / cable attenuation <br> |
| - | <input name="ge" value="0" disabled="disabled"> Gewinn/gain<br /></form> | + | <input name="ra" value="0" disabled="disabled"> Restabstand / remaining free space<br> |
| - | <br /> | + | <input name="rfd" value="0" disabled="disabled"> Freiraumdämpfung / free space loss<br> |
| + | <input name="ag" value="0" disabled="disabled"> Antennengewinn / antenna gain<br> | ||
| + | <input name="g" value="0" disabled="disabled"> Gesamtdämpfung / total loss<br> | ||
| + | <br> | ||
| + | Ergebnis / result:<br> | ||
| + | <input name="ge" value="0" disabled="disabled"> Gewinn / gain<br></form> | ||
| + | <br> | ||
| + | (c) 2019 NetModule AG | ||
| </html> | </html> | ||