- If L is the distance traveled by the pulse, β is the propagation constant along axis then the group velocity in the velocity at which energy is a pulse travels along the fiber.
Vg=C.(dβ/dk)
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RF MODULE-XBEE :
zigbee module XBee and XBee-PRO Modules were engineered to meet ZigBee/IEEE 802.15.4 standards and support the unique needs of low-c...
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