Exfo FTB-7000 OTDR Series for FTB-500 Manual de usuario Pagina 204

  • Descarga
  • Añadir a mis manuales
  • Imprimir
  • Pagina
    / 482
  • Tabla de contenidos
  • SOLUCIÓN DE PROBLEMAS
  • MARCADORES
  • Valorado. / 5. Basado en revisión del cliente
Vista de pagina 203
Analyzing the Results Manually
190 OTDR
Getting Event Loss (Four-Point and Least-Square Approximation)
³ Four-point event loss: the LSA method is used to fit a straight line to the
backscatter data within the two regions defined by markers a, A and
b, B, that is over the regions to the left and to the right of the event
bordered by markers A and B, respectively.
The two fitted lines are then extrapolated toward the center of the
event and the loss event is directly read from the drop in power
between the two lines.
Vista de pagina 203
1 2 ... 199 200 201 202 203 204 205 206 207 208 209 ... 481 482

Comentarios a estos manuales

Sin comentarios