85029250
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the loss of signal power resulting from the insertion of a device in a transmission line or optical fiber and is usually expressed in decibels (dB).
In telecommunications, return loss is a measure in relative terms of the power of the signal reflected by a discontinuity in a transmission line or optical fiber.
Coupling Factor (CF) measures the coupling between classes excluding coupling due to inheritance. It is the ratio between the number of actually coupled pairs of classes in a scope (e.g., package) and the possible number of coupled pairs of classes. CF is primarily applicable to object-oriented systems.
IP (or "Ingress Protection") ratings are defined in international standard EN 6529 (British BS EN 6529:1992, European IEC 659:1989). They are?used to define levels of sealing effectiveness of electrical enclosures against intrusion from foreign bodies?(tools, dirt etc) and moisture.